What: This project focuses on climate change in the High Arctic. Because of the ice-albedo feedback the Arctic is experiencing warming at more than twice the rate of lower latitude sites. To put these changes in a longer-term perspective we are attempting to use the varved sediment record in glacier-fed Lake Linné and we are studying what factors influence annual sedimentation in the Lake. Summer work includes work on the Linné Glacier, the sediment flux and temperature of the inflow stream and the physical and sedimentological conditions in Lake Linné.
When: The program will run from 10 July to 10 August and will consist of a field component in Svalbard, Norway and a lab component at Mt. Holyoke College, Massachusetts.
Where: We will convene in Massachusetts for a few days of equipment organizing and background lectures and then travel as a group to Longyearbyen, Svalbard. Prior to heading to the field site we will spend a few days in town for safety training and orientation. We will then travel by small boat out to Isfjord Radio, a former weather station at Kapp Linné which we will use as a base of operations. After two weeks of field work we will travel back to Longyearbyen and then back to Massachusetts where we will work with data and samples in the lab.
Who: You will join a group of highly motivated students from other colleges and you will work closely with this group sometimes directing the field work and sometimes working as a field assistant. Al Werner (Mt. Holyoke College) and Mike Retelle (Bates College) will lead the field excursion and will direct the lab component of the summer experience.
Our goal is to introduce students to the Arctic and to engage them in meaningful geoscience-based climate change research. Each student will take-on an aspect of the research that they (with the help of their colleagues) will pursue in the field and subsequently during the following academic year.
This program is tailored to rising seniors who have completed most of their geology curriculum and have a demonstrated interest in the Arctic, Quaternary studies and the issue of climate change.
Glacier mass balance/factors influencing glacier ablation.
Characterization of the spring melt event using weather station data, stream temperature data and daily automated camera images.
Characterization of sedimentation events during the 2012/2013 sedimentation year using CTD data, temperature sensor data, current velocity sensors and daily automated camera images.
Interpretation of sediment trap samples using visual and X-ray stratigraphy, particle size data and automated sediment trap data.
Sediment cores will be recovered to allow a comparison of lamination stratigraphy throughout the lake and to compare with the long term weather record for Svalbard.
Other projects are possible depending on student interest and analytical resources at their home institution.
The Arctic is a special place – it will captivate you! But it can also be a difficult and dangerous place. Since we are working in polar bear country, we carry high powered rifles, we work long days in the driving rain and we often carry heavy packs on long strenuous (25km) hikes over steep and rugged terrain.
For its high latitude location, Svalbard is relatively warm. The average temperature during July is +6º C (43º F). While most days we will be working in rain suits, there will be days when we could potentially work in tee-shirts and other days when we could use all of our warm layers and rain suits when on land. The northern arm of the Gulf Stream passes the west coast of Svalbard bringing relatively warm water and warm air from the south, to Svalbard. At the same time this often creates sharp gradients in temperature, which lead to high winds and rapidly changing weather. Rainy and cloudy weather are common. Because Svalbard is well above the Arctic Circle, you will experience 24 hours of daylight during the entire field season.
You will be working outdoors continuously for 12-16 hours in potentially cold, rainy weather five to seven days each week. You will often be working out of small boats on icy lakes. On some days, you will be hiking 15 km (10 miles) or more over rocky ground every day carrying a 15-25 kg (35-50 lb) backpack. We will be hiking on glaciers, loose rocky talus slopes and ice-cored moraines, and crossing meltwater rivers up to 0.5 m (2 ft) deep. The group will return to indoor dormitory facilities every night with catered food, showers, and shared dorm rooms. You will not likely be able to receive mail while in the field but a telephone may be available (at your own expense). We expect to have some shared internet access.
Svalbard is home to Polar Bears (Ursus martimus), a marine mammal weighing over 450 kg (1,000 lbs) and standing over 3m (9 feet) tall. Despite its size and awesome strength the polar bear is swift and agile, moves easily on rough ice and steep slopes, and is an excellent swimmer. They typically hunt seals among the sea ice and icebergs but also wander the land and are known to stalk and kill humans, although this is rare. Polar bears are curious, and often investigate any strange object, smell, or noise. They have an acute sense of smell that will lead any bear to a food source many kilometers away. Its eyesight is thought to equal that of a human.
Our first line of protection against polar bears is avoiding them! At all times outdoors, everyone must keep constant watch for bears. If we see a bear, we leave the area immediately. NO ONE travels ANYWHERE alone (not even to wander out-of-sight to pee). We will also carry firearms (flare guns and high powered rifles) as last-resort protection against a charging polar bear. You will receive firearm training in Svalbard and everyone will be required to learn to safely handle and accurately shoot these firearms. Even with all precautions, we cannot guarantee that you will not be injured, dismembered, killed, and eaten by a polar bear.
Successful applicants typically have completed their coursework for a geology major and have a demonstrated interest in climate change and arctic geology.
What: Students will investigate the morphotectonic footprint of earthquake-generated uplift on the Nicoya Peninsula, Costa Rica. This project will expand upon preliminary geomorphic, geodetic, and seismologic data showing patterns of coseismic rupture and coastal uplift generated by the recent Mw7.6 Nicoya Earthquake of 5 September 2012. Project students will build upon several decades of prior research on subduction generated coastal uplift on the Nicoya Peninsula [e.g., Hare and Gardner, 1985; Marshall and Anderson, 1995; Marshall et al., 2001-2012], including a highly successful 1998 Keck project [Gardner et al., 2001]. The participating students will conduct fieldwork along the Nicoya Peninsula coastline, learning research techniques of tectonic geomorphology, paleoseismology, and GPS geodesy.
Where: Nicoya Peninsula, Costa Rica, Central America (passport is required).
Who: Nine undergraduate students and three project leaders: Dr. Jeff Marshall (Cal Poly Pomona), Dr. Tom Gardner (Trinity University), and Dr. Marino Protti (Observatorio Volcanológico y Sismológico de Costa Rica, OVSICORI-UNA).
Figure 1. Digital elevation model of northern Costa Rica showing relationship of onshore topography (NASA-SRTM) and offshore bathymetry (IFM-GEOMAR). Two segment boundaries on the subducting Cocos Plate intersect the margin offshore of the Nicoya Peninsula: 1) a morphologic break between smooth and rough sea floor domains (thin dashed line); and 2) a fracture zone trace (thick dashed line) that divides crust formed at the East Pacific Rise (EPR) from that formed at the Cocos-Nazca spreading center (CNS-1 and CNS-2).
Megathrust earthquakes along subduction zones are among Earth's most powerful and deadly natural hazards. During the past decade, more than a quarter-million people lost their lives to megathrust earthquakes and tsunami in Sumatra (M9.3, 2004), Chile (M8.8, 2010), and Japan (M9.0, 2011). Such catastrophic events are also notable for sudden geomorphic changes along coastlines caused by coseismic uplift or subsidence [e.g., Plafker, 1972; Atwater, 1987]. Earthquake-induced changes in land level result in either emergence or submergence of the coast, shifting the relative position of the shoreline, and all subsequent tides. Evidence of past events is preserved in the sedimentary record of beaches and coastal wetlands, and by such features as emerged tidal platforms and coral reefs [e.g., Taylor et al., 1987; Nelson et al., 1996; Natawidjaja et al., 2006]. Geomorphic and stratigraphic analysis of these features allows geoscientists to unravel the paleoseismic history of convergent margin coastlines [e.g., Sieh, 2006; Satake and Atwater, 2006], and to investigate how earthquake induced crustal displacements affect the long-term growth and decay of coastal topography [e.g., Bull, 1985; LaJoie, 1986; Marshall and Anderson, 1995; Sato and Matsuura, 2007; Rehak et al., 2008].
An excellent place to study these processes is the Nicoya Peninsula on the Pacific coast of Costa Rica, Central America (Fig. 1) [Marshall, 2008]. The Nicoya Peninsula is unique because it is one of the few landmasses along the Pacific Rim located directly above the seismogenic zone of a subduction megathrust fault. Due to its proximity to the subduction zone, the peninsula is particularly sensitive to vertical movements related to the earthquake cycle [Marshall and Anderson, 1995; Feng et al., 2012]. Costa Rica is part of the Central American convergent plate margin, where the Cocos oceanic plate subducts beneath the Caribbean plate at the Middle America Trench [von Huene et al., 2000]. The two plates converge at a rapid rate (~8 cm/yr) along the Nicoya Peninsula [DeMets et al., 2010], resulting in a high seismic potential, as demonstrated by repeated large magnitude (>M 7.5) earthquakes over the past few centuries, including events in 1853 (M≥7.5), 1900 (M≥7.5), 1950 (Ms=7.7), and 2012 (Mw=7.6).
Figure 2a-b. a.) Earthquake epicenter map and seismogenic zone profile for Costa Rica (by Laboratorio de Ingenieria Sismica, Universidad de Costa Rica) showing location of 2012 Mw=7.6 Nicoya earthquake (red circle) with respect to two years of prior seismicity (2010-2012). b.) Map of Nicoya Peninsula earthquakes for September 2012 (by Observatorio Volcanológico y Sismológico de Costa Rica, Universidad Nacional) showing distribution of aftershocks and triggered events (red dots) associated with the 5 September 2012 mainshock (blue star). Note two distinct rupture patches outlined by aftershocks beneath the central and southern portions of the peninsula.
On 5 September 2012, a major earthquake (Mw=7.6) ruptured the megathrust plate interface beneath the Nicoya Peninsula [Dixon et al., 2012]. This large event was centered 12 km offshore of the central Nicoya coast, at a depth of 18 km (Fig. 2a). Near the hypocenter, the maximum slip exceeded 2 m, and the rupture spread outward along the plate interface to encompass >3000 km2 of the Nicoya seismogenic zone. More than 1700 aftershocks were recorded within the first 5 days (Fig. 2b), outlining two distinct rupture patches, one centered on the central coast, and the other beneath the southern tip of the peninsula.
The 2012 Nicoya earthquake was felt throughout much of Central America and resulted in widespread damage to homes, businesses, schools, and health centers across Costa Rica (>$45 million). Thanks to extensive prior public outreach by geoscientists and government officials, Costa Rican citizens were acutely aware of the seismic hazard posed by the Nicoya seismogenic zone. For this reason, the population was well prepared and emergency personnel reacted swiftly, minimizing earthquake casualties (<200 injured, 0 deaths). Although a major disaster was averted, this powerful earthquake was a stark reminder to local residents that they live in a region of substantial seismic hazard.
For geoscientists, the 2012 Nicoya earthquake was a watershed event. The last major earthquake in this area (MS=7.7) occurred in 1950 [Protti et al., 2001], causing widespread damage and casualties, and producing landslides, liquefaction, and pronounced coseismic uplift along the Nicoya coast [Marshall and Anderson, 1995]. Since then, seismologic, geodetic, and geomorphic studies had recognized the Nicoya Peninsula as a mature seismic gap, with a high probability of rupturing in the near future [e.g., Protti et al., 1995 and 2001; Marshall and Anderson, 1995; Marshall et al., 2003-2012; Norabuena et al., 2004; Feng et al., 2012]. In 1989, the USGS gave a 93% probability of a large earthquake occurring here before 2009, listing Nicoya as fourth among the top seismic gaps of the Pacific Rim [Nishenko, 1989]. To monitor precursory seismicity and the build-up of crustal strain, the Observatorio Volcanológico y Sismológico de Costa Rica (OVSICORI-UNA), working with international collaborators, developed a dense network of seismometers and GPS stations across the Nicoya Peninsula (Fig. 3). On September 5, 2012, after 62 years of tectonic strain accumulation, the forecast Nicoya Earthquake finally occurred, generating a wealth of geophysical data [Dixon et al., 2012], and providing an unprecedented opportunity for geologists to capture the near-field pattern of coseismic deformation produced by a major megathrust earthquake.
Figure 3. Map of Nicoya Peninsula, Costa Rica showing locations of seismic and geodetic networks, coastal geomorphic study sites, and earthquake epicenters (Dixon et al., 2012). Continuous GPS stations (yellow circles) operated by OVSICORI and University of South Florida. Seismic stations (green triangles) operated by OVSICORI, University of California, Santa Cruz, and Georgia Tech. Geomorphic and paleoseismic field studies conducted at coastal sites (blue dots) by Cal Poly Pomona and Virginia Tech. Preliminary locations for 2012 Nicoya earthquake from USGS (purple star), OVSICORI (orange star), and Lamont-Doherty Global CMT Project (red circle and focal mechanism).
In the wake of the 2012 Nicoya earthquake, an NSF Rapid Response Team was organized to collect preliminary geomorphic and geodetic field data to constrain patterns of coseismic deformation across the peninsula [Newman et al., 2012, unpublished]. Geomorphic spot measurements at more than a dozen field sites (Fig. 3) indicate that the earthquake produced up to 0.8 m of coseismic uplift along the central Nicoya coast (Fig. 4) [Marshall and Morrish, 2012, unpublished]. Inversion modeling of preliminary GPS data from the OVSICORI geodetic network yielded consistent results (Fig. 5a), showing maximum uplift adjacent to the earthquake epicenter and decaying outward with distance. Preliminary models based on seismic wave inversion (Fig. 5b) show a bull's eye of maximum slip (>2m) adjacent to the hypocenter, surrounded by a broader area of decreasing slip across the seismogenic zone beneath the central coast. This rupture pattern is roughly similar to the area of pre-earthquake locking suggested by GPS modeling (Fig. 5a) [Feng et al., 2012].
Earthquake cycle deformation has been observed along convergent margin coastlines worldwide. Famous examples in the geomorphic literature include Chile, Alaska, Japan, Cascadia, Vanuatu, and Indonesia [Plafker, 1972; Matsuda et al., 1978; Bull, 1985; LaJoie, 1986; Atwater, 1987; Taylor et al., 1987; Sieh, 2006]. As the locked interface between two converging tectonic plates snaps free, the upper plate springs forward releasing stored elastic energy in the form of seismic waves (the earthquake). The seaward edge of the plate nearest the subduction trench rebounds upward, resulting in sudden coseismic uplift (and often a tsunami). In contrast, the landward region further from the trench subsides as strain is released. As the plates become locked again and elastic strain begins to build, gradual interseismic movements generally occur in the opposite direction (subsidence in the cosesimic uplift zone and vice versa).
Figure 4a-b. Pre & post-earthquake photographs of high tide at Playa Carrillo estuary, showing the magnitude of 5 September 2012 coseismic uplift directly inland of earthquake epicenter: a) July 5, 2012, 3:50 pm (+3.0m high tide), b) Sept 13, 2012, 12:30 pm, (+2.4m high tide). The tide pictured at left was the highest tide for the 2 months preceding the earthquake. Note the coconut debris line left by this tide still visible in the post-earthquake photo at right. While the pre-earthquake high tide at left is 0.6m higher than the post-earthquake high tide at right, the surveyed difference in these tidal levels is ~1.4m, indicating uplift of ~0.8m (Marshall and Morrish, 2012, unpublished data).
This cycle of vertical motion in response to elastic strain accumulation and release is an integral part of the way subduction zones work, and is a dramatic manifestation of the forces that generate deadly megathrust earthquakes and tsunami.
An interesting question for geomorphologists is how this short-term cycle of elastic motion translates into longer-term permanent deformation that generates topographic relief. How much of the seismic cycle deformation is non-recoverable and permanent? Does coastal topography mirror earthquake cycle deformation patterns? Are earthquake rupture zones long-lived features or are they transient, changing location and shape through time? What other processes contribute to the creation of permanent coastal topography along convergent margins?
Figure 5a-b. a) Preliminary rapid GPS solution for continuous stations showing horizontal (black) and vertical (blue) displacement vectors for the 2012 Mw7.6 Nicoya earthquake (solution by JPL, based on data from OVSICORI-UNA and Georgia Tech). Red beach ball shows focal mechanism for mainshock. Contoured colors show modeled distribution of pre-earthquake locking on megathrust fault (Feng et al., 2012). b) Map of the Nicoya Peninsula with preliminary dislocation model (based on seismic wave inversion) showing slip distribution for the 2012 Mw7.6 Nicoya earthquake (by LIS-UCR). Colored contours (key at right) show variable slip decaying from a maximum of >2m near the hypocenter. Area of maximum slip corresponds with area of greatest observed coseismic uplift along the coastline (both geomorphic and GPS data).
Along the Nicoya Peninsula's seaward-facing coastline, net Quaternary uplift is recorded by emergent marine terraces (ancient shorelines) and uplifted alluvial fill (ancient river deposits) [Hare and Gardner, 1985; Marshall and Anderson, 1995; Gardner et al., 2001; Marshall et al, 2001-2012; Sak et al., 2009]. Along the peninsula's landward-facing gulf coast, net subsidence results in drowned rivers and broad mangrove estuaries. Ongoing geomorphic, paleo-geodetic, and paleoseismic studies [e.g., Marshall et al., 2010; Spotila et al., 2010; Marshall and Spotila, 2011] are revealing upper plate deformation patterns that provide important clues about seismogenic zone segmentation and the periodicity of megathrust earthquakes beneath the Nicoya Peninsula.
Field mapping, surveying, and isotopic dating of uplifted paleo-shorelines, river deposits, and wetland sediments allows for calculation of Holocene and Pleistocene uplift rates [e.g., Marshall et al., 2012]. Results indicate that sharp variations in uplift patterns on the Nicoya Peninsula coincide with three distinct domains of subducting seafloor identified through offshore geophysical studies. These seafloor segments (Fig. 1), designated EPR, CNS-1, and CNS-2 [Barckhausen et al., 2001], each originated at distinct oceanic spreading ridges and exhibit contrasts in crustal thickness, surface roughness, and heat flow [e.g., von Huene et al., 2000; Fisher et al., 2003]. Such contrasts may exert important controls on seismogenic zone geometry, seismic coupling, and earthquake rupture behavior [e.g., Newman et al., 2002; Norabuena et al., 2004; DeShon et al., 2006; Schwartz and DeShon, 2007].
This Keck research project will build upon preliminary post-earthquake field studies by filling critical data gaps, addressing key questions about how earthquake-generated uplift impacts coastal geomorphology, and investigating how seismic cycle motions contribute to net deformation and topographic growth. Project students will gain valuable professional experience applying modern field techniques of coastal geomorphology, paleo-seismology, and GPS geodesy. Their efforts and research results will contribute to the growing body of scientific knowledge on convergent margin morphotectonics.
Coseismic Coastal Uplift and Impacts on Beach Morphology. Preliminary geomorphic field measurements and GPS data indicate that the 2012 Nicoya earthquake generated up to 0.8 m of coseismic uplift along the central Nicoya coastline. Students working on this project will investigate this coastal uplift through detailed site investigations, collecting additional geomorphic field data, and surveying coastal landforms to further constrain the magnitude and pattern of uplift. Students will use laser range finders, barometric altimeters, hand held GPS, and stadia rods to survey topographic profiles and measure uplift. Students will also investigate the impacts of recent coseismic uplift on the morphology of beaches and rocky shorelines by measuring uplift-related geomorphic changes, including modification of beach profiles, stream incision, shifts in tidal levels, changes in wave erosion, and displacement of tidal ecozones (e.g. mortality of sessile organisms).
Coastal Wetland Stratigraphy and Paleoseismic Records. To investigate the history of paleo-earthquakes on the Nicoya Peninsula, students will use hand-gouge augers to extract sediment cores from coastal wetlands. These cores will be examined for evidence of previous coseismic land level changes (e.g. abrupt changes in grain size, soil color, etc.). A pilot sediment coring study [Spotila et al., 2010] revealed compelling evidence of abrupt stratigraphic breaks, consistent with coseismic uplift in several Nicoya wetlands. In this project, we will target additional wetland sites for paleoseismic records in areas of known vertical motion during the 2012 earthquake. The core stratigraphy will be measured, photographed, and described in detail. Organic samples will be collected from cores for radiocarbon dating. In addition, students will document the impact of the recent coseismic uplift on wetland morphology and sedimentation. This will provide important reference data for interpreting stratigraphic evidence of past events.
Geomorphology and Petrology of Uplifted Holocene Beachrock Horizons. To study coastal uplift, students will examine Holocene-age carbonate beachrock deposits, a common feature of the Nicoya Peninsula coastline [Marshall et al., 2012]. These tabular horizons of lithified beach sediment extend laterally along the shoreline, creating a natural pavement similar to a concrete sidewalk. Beachrock forms by precipitation of carbonate cement (calcite and aragonite) within intergranular pore spaces of beach sediments in the groundwater excursion zone between high and low tide. These horizons form preferentially where groundwater is abundant near streams and wetlands. As earthquakes elevate the coastline, beachrock horizons are moved upward on the beach face and eventually into the landscape beyond. By surveying their current elevation above sea level and collecting samples for age dating, we will use beachrock horizons as timelines to track the history of net Holocene uplift. Students will survey beachrock outcrops using laser range finders, hand held GPS, and stadia rods. Sites will be photographed and described in detail, and samples will be collected for radiocarbon dating and thin section analysis.
Geodetic Evaluation of Co-Seismic and Post-Seismic Deformation. The Costa Rican Volcanologic and Seismologic Observatory (OVSICORI-UNA) operates a dense network of 12 continuous GPS receivers on the Nicoya Peninsula (in collaboration with University of South Florida and Georgia Tech University). In addition, there are more than 15 campaign GPS monuments located throughout the peninsula. Students will work under the direction of Dr. Marino Protti (Senior Research Geophysicist, OVSICORI) to install campaign GPS receivers, service continuous GPS stations, download data, and process/evaluate horizontal and vertical GPS motions to interpret seismotectonic deformation related to the 2012 Nicoya earthquake.
Fieldwork will take place in relatively remote locations. While tourism has brought rapid development in some areas, most of the Nicoya Peninsula is still rural and rugged. Field sites will be accessed by four-wheel drive vehicle and by hiking along rocky coastlines and steep trails with dense vegetation. Weather conditions will be hot and humid, with intense tropical sun and occasional heavy thunderstorms. Hats, sunscreen, water, and proper footwear are essential. Insect repellent is recommended. Safety is a critical aspect of this project. Students will work in teams under the supervision of project faculty. Participants are required to be vigilant and aware of potential hazards, including dehydration, heat exhaustion, sunburn, rugged terrain (cliffs, rocky shore platforms, streams/rivers), unfriendly plants (thorny, sharp, or stinging shrubs/trees), and potentially aggressive insects and animals (fire ants, scorpions, mosquitoes, wasps/bees, snakes, livestock). Participants may be exposed to new and significant allergies (mold, mildew, insect bites, poison plants). Those with asthma or other allergy sensitive conditions should take appropriate caution. Emergency medical care is available, but located at substantial distance from field sites. We will stay in small eco-tourist lodges with modest facilities. These hotels provide a relatively safe and comfortable home base and easy access to field areas. We will eat meals prepared by the hotel staff or at local restaurants. Dietary options are limited to what is available on site. While tropical fruits and vegetables are common, most meals consist of rice, beans, meat, poultry, or seafood. We will have limited Internet access, but cell phone coverage and public phones are generally not available. Use of personal electronic devices is prohibited anywhere outside of hotel rooms. To prevent theft, students must be vigilant of personal belongings at all times. Participants should be comfortable living and working in a remote rural setting, within a developing country, immersed in the Spanish language. A valid passport is required for travel to Costa Rica.
This project is designed for advanced undergraduate students with an interest in geomorphology and tectonics. Students should be prepared for working in challenging field conditions, in a foreign country. Fieldwork in a tropical setting requires astute observational skills, creative thinking, and an ability to work with limited geologic exposure. Demonstrated experience in field methods is strongly preferred. Students should have taken core courses in geomorphology, mineralogy/petrology, and structural geology/tectonics. Additional coursework in sedimentary geology, stratigraphy, geophysics, optical mineralogy, or GIS is desirable. Acceptance on this project requires academic standing as a rising senior, and completion of a supervised senior thesis (or equivalent) during the following academic year (2013-14), as an integral part of this research effort. The application must include a supporting letter from the student's home campus thesis advisor. This letter must indicate how the thesis requirement is included in the senior year course load. The advisor should also describe the student's prior research background and field experience, and how well the applicant will function in the working conditions described above.
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What: This is a comparative study of inflated and disrupted pāhoehoe lava on Mars and the Earth. The project will involve fieldwork in the Zuni-Bandera Volcanic Field of New Mexico and mapping of potentially analogous lava flows within the Elysium region of Mars.
Department of Earth & Environment, Franklin & Marshall College, Lancaster, PA (main location).
Zuni-Bandera Volcanic Field, New Mexcio (~10 day trip to Zuni-Bandera Volcanic Field, NM to complete the fieldwork component of the project).
Who: 6 students and Professor Andy de Wet (Franklin & Marshall College), Dr Chris Hamilton (NASA-Goddard Space Flight Center) and Dr Jake Bleacher (NASA-Goddard Space Flight Center).
The goal of this project is to characterize disrupted pāhoehoe textures within basaltic sheet flows. To do so we will conduct 10 days of fieldwork in the Zuni-Bandera Volcanic Field (ZBVF), NM, where project faculty Chris Hamilton (NASA-GSFC) and Jake Bleacher (NASA-GSFC) have several years of field experience. Our previous work has involved a larger field team and focused largely on mapping the extent to which sheet inflation has occurred with the McCartys flow (in the ZBVF). That work produced numerous new questions about the details related to emplacing each sheet lobe, or plateau. We have previously stated that the locations of slabby pāhoehoe patches within a plateau appear to be random. Mapping the location and size of these patches as part of this study will enable us to assess if the spatial distribution is random or if it displays organized relationships with other features such as inflation pits or plateau margins, or if the slabby terrain might outline pathways along which the flow was concentrated in later stages of flow emplacement.
(Hon et al., 1994) where t is time in hours and C the crust thickness in meters. By measuring the thicknesses of slabs we can determine if a given patch has experienced more than one disruption event, and whether different areas of the sheet appear to have experienced one or more disruption events at similar times after the initiation of crust formation. Jake Bleacher has worked with Tim Orr (USGS, Hawaiian Volcanoes Observatory) to characterize one feature in the Bandera flow as a shatter ring. However, Orr has identified 14 additional features across the Bandera flow that are suspected to be shatter rings. Confirmation of several additional shatter rings would support the hypothesis that these features together outline a flow pathway, or tube, within the Bandera flow that was used to deliver lava to the flow front. Completion of all three field tasks will provide the students with a strong background in identification of disrupted pāhoehoe textures on Mars. Potential papers that might result from this work include 1) Mapping the location of the Bandera lava tube by identification of a chain of shatter rings, and 2) Characterization of inflation pulses within one sheet lobe of the McCartys flow, NM.
In addition to fieldwork in New Mexico, we will conduct lava flow facies mapping of lava flows within the Elysium region of Mars. There are many examples of features within a small portion of this flow field that are analogous to the Bandera and McCartys inflated and disrupted flows. This style of facies mapping is only now becoming possible due to the acquisition of images with the Mars Reconnaissance Orbiter (MRO) Context Camera (CTX) at 6-12 m/pixel, and the High Resolution Imaging Science Experiment (HiRISE) at resolutions below 1 m/pixel. These images enable for the first time detailed mapping at a scale at which the textures and features that are indicative of lava inflation, and lava disruption can be discerned.
Chris Hamilton has extensive experience mapping this flow field (Hamilton et al., 2010, 2011), and has spent several years requesting targets within this area for the HiRISE team, many of which are now acquired and released to the public. In addition to mapping surface textures across the flow several specific features could be examined in detail as part of a student project. One example of possible features to be examined by students is enigmatic ringed pits. These features have been suggested to represent unique types of impact craters or features related to ice/volatile processes, although no detailed study has yet been conducted. However, they display many similarities with inflation pits as seen in the McCartys flow, or could also share a common formation process with terrestrial shatter rings. Similarly, students can examine the margins of the flow field for additional evidence of inflation clefts.
Broader goals include exposure to planetary geology, a greater appreciation of the role of NASA in planetary exploration and research, develop experience in doing original research, work together in a team of researchers with a common goal, exposure to research with a broad appeal and relevance.
One of the challenges of doing research on Mars is that everything is based on remote sensing, theoretical considerations, and analog studies. We are planning to take a 10-day trip to the Zuni-Bandera Volcanic Filed in New Mexico to directly observe and measure processes and features that are probably direct analogs to features the students will be mapping on Mars. Chris Hamilton and Jake Bleacher have extensive experience mapping at this location and know the area very well. We have clear goals for the fieldwork but we will also respond to the interests of the students in crafting specific projects.
We may visit the Air and Space Museum in Washington, which has an excellent planetary exhibition.
In addition to the Keck Symposium, we will explore the possibility of presenting the results of this research at LPSC in Houston or NE-GSA in Lancaster, PA in 2014.
The morphologies of lava flows generated by effusive basaltic eruptions can provide a record of paleo-eruption conditions at the time of emplacement. Basalt, when in liquid form, is a Bingham fluid (opposed to a Newtonian fluid like water). However, as the flow cools its rheology will change, first to a viscoelastic material and then to a brittle solid. Generally, the cooling-induced increase in viscosity of a basalt flow during emplacement will increase the confining strength of its margins and tend to resist flow. However, depending on the eruption rate from the vent and local discharge rate through a lava pathway, lava flow velocities may be great enough to disrupt the surface crust. The balance between confining strength and internal stresses can produce a variety of flow surface textures over multiple scales. Basalts are commonly divided into pāhoehoe (smooth) and ʻaʻā (rough) textures. ʻAʻā tends to form when the viscosity and/or velocities of the flow are high because the associated shear stresses will tear the surface of the flow into breccia. The velocity profile across the surface of the flow will typically transport the breccia to the flow front and margins, thereby producing a channelized flow with a rough and spinose surface texture. In contrast, pāhoehoe textures form when a flow viscosity and/or local discharge rates are low enough that continuous deformation of the confining viscoelastic layer will prevent complete disintegration of the surface crust, thereby allowing lava to be transported through thermally insulated internal pathways located beneath a smooth crust, or in other words, the cracks and tears in the crust can be healed and a smooth surface is produced.
Earth Science studies of basaltic eruptions tend to focus on hazard assessment modeling, with the goal of predicting regions of lava inundation given a range of likely eruption parameters. In contrast, studies of martian lava flows are typically concerned with estimating eruptions parameters based on the characteristics of previously emplaced flows. In other words, terrestrial lava flow studies generally involve forward modeling, whereas martian studies are typically aimed at using similar models to "back out" the eruption conditions. The simple distinction between pāhoehoe and ʻaʻā end-members has generally been adequate for mapping flow fields with the goal of establishing basic models of flow emplacement, but there exist a range of intermediate flow types that defy such basic categorizations. Determining the characteristics and emplacement conditions associated with these transitional flow types therefore represents the next big step in terms of understanding the diversity of lava flow morphologies and modeling their emplacement processes and paleo-environmental significance on Earth and Mars.
Disrupted pāhoehoe is a term used to describe a rough basaltic texture (at the meter scale) that does not form in the same continuous manner as an ʻaʻā flow. This process occurs during catastrophic events that disrupt already cooled pāhoehoe crust through drastic changes in the eruption conditions at the vent or local discharge rates through the sudden release of lava stored within a segment of the lava pathway system (e.g., rupture of the confining margins of a perched lava pond). However, given that both ʻaʻā and disrupted pāhoehoe can be rough in a general sense it can be difficult to distinguish them in remote sensing imagery, which could lead to misinterpretations of lava flow type in remote locations on the Earth and on planetary surfaces such as Mars.
In this study, we will focus on characterization of disrupted pāhoehoe textures on flows in the Zuni-Bandera Volcanic Field (ZBVF), NM, to establish a context for interpreting the significance of analogous sheet-like flow units in the Elysium region of Mars. The ZBVF is composed of >100 monogenetic vents (low shields and cinder cones) from which their basaltic lava flows coalesce (Luedke and Smith, 1978; Luedke, 1993) to produce a "plains-style" (Greeley, 1982) volcanic province. Within the ZBVF a large number of basaltic volcanic features are well preserved (Nichols (1946). We plan to conduct field work on the Bandera and McCartys flows. The Bandera and McCartys flows are the two youngest flow fields in the ZBVF at 9.5-10.9 kyrs and 2.5-3.9 kyrs respectively.
The McCartys flow is characterized as a pāhoehoe sheet flow with sections of ʻaʻā. At the scale of 10s to 100s of meters, the flow comprises multiple topographic plateaus and depressions. Some depressions display level, smooth floors, while some are bowl shaped with floors covered in broken lava slabs. The boundaries between plateaus and depressions are also typically smooth surfaces that have been tilted to angles sometimes approaching vertical. The upper margin of these tilted surfaces displays large cracks, sometimes containing squeeze-ups. The bottom boundary with smooth floored depressions typically shows embayment by younger lavas. It appears that this style of terrain represents the emplacement of an extensive sheet that experiences inflation episodes within preferred regions where lateral spreading of the sheet is inhibited. Inflation involves hydraulic lifting of large sections of surface crust to accommodate increased volume of the liquid core. Depressions are often the result of non-inflation and can be clearly identified by lateral squeeze-outs along the pit walls that form when the rising crust exposes the still liquid core of the sheet. These areas form broad, elevated plateaus of generally smooth pāhoehoe lava. Within the sheet flow units we have identified locations of "slabby" pāhoehoe, which forms when the crust of an inflating sheet flow fractures during inflation, but does not become part of a laterally emplaced rubble unit. As such, slabby lavas typically form slabs for which the thickness relates to the amount of time that the crust had cooled prior to disruption. Because the region is covered by trees and shrubs, we have been unable to map the extent and distribution of slabby lava across an inflated plateau, nor have we systematically determined if these slabby sections comprise similar slab thicknesses, or a multi-modal distribution of thicknesses, which might suggest that the flow experienced multiple catastrophic pulses of increased eruption rate or local discharge rate.
The Bandera flow is characterized as an ʻaʻā and tube-fed pāhoehoe flow. The Bandera Tube is easily accessible within the El Malpais National Monument. However, in the distal sections of the flow field the traces of the tube (open roof sections and accessible drained tube areas) are lost within an extensive pāhoehoe sheet. However, this sheet displays numerous quasi-circular, rough patches that appear to be somewhat aligned in a pattern similar to open roof tube sections closer to the vent. These features are thought to represent shatter rings (Orr, 2010) as are seen in Hawaiʻi (Per. Com. Tim Orr, 2010), but have not been confirmed. Shatter rings form over lava tubes as changes in flux though the tube result in over pressurization and upheaval of the crust above the tube. As such, this feature is a form of disrupted pāhoehoe.
Volcanic plains on Mars are composed of lava flows and their morphologies provide information about changing eruption conditions on the planet through time. Elysium Mons and surrounding Elysium Planitia form the second largest volcanic province on Mars, after Tharsis. The ages of surficial volcanic plains units in this region span from the Hesperian to Amazonian (Tanaka et al., 2005) and include some of the youngest flows on the planet. In this study will focus on pahoehoe-like lava flow units identified in northeastern Elysium Planitia by Keszthelyi et al. (2010) and Hamilton et al. (2010, 2011). The region of interest covers ~30,000 km2 and includes a diverse range of lava flow morphologies related to lava flow inflation and surface disruption. Although few people have studied this flow unit in particular, the surrounding region includes several major outflow channels that are widely interpreted to have been carved by water during catastrophic aqueous outflow events (e.g., Plescia, 1990, 1993, 2003; Fuller and Head, 2002; Burr et al., 2002; Burr 2005; Burr and Parker, 2006). However, more recent studies have demonstrated that the surfaces of these outflow channels appear to be covered in lava (e.g., Jaeger et al., 2007, 2008, 2010; Hamilton et al. 2010c, 2011; Ryan and Christensen, 2012), which suggests that volcanic processes have played a role on the modification of these channels as well.
Careful examination of flow units in northeastern Elysium Planitia is therefore important for distinguishing between volcanic and aqueous flow origins. These hypotheses can be distinguished from one another by identifying landforms indicative of inflation and surface disruption, which are typical of lava flows, but not of aqueous flow deposits. Inflation refers to the process by which lava flows thicken through endogenous growth. This process is analogous to the inflation of a balloon in which incoming fluid is retained by a deformable layer that expands to accommodate the new volume. However, if the internal pressurize of the balloon exceeds its confining strength, then the balloon may rupture. In an analogous fashion, newly emplaced lava will cool and develop rheologic gradient along its margins that includes a brittle outer core, underlying viscoelastic layer, and fluidal (Bingham) core. The outermost layers may crack and continuously deform to produce inflation structures such as tumuli, lava-rise plateaus, inflation clefts, and lava-rise pits (Walker, 1991), but if the internal pressure suddenly increases due to sudden changes in local discharge rate, then the surface of lava may be disrupted into slabs and auto-brecciated rubble (Guilbaud et al., 2005). As such, disrupted pāhoehoe can be indicative of non-uniform emplacement rates, particularly at the local scale within a flow. Developing field experience to confidently identify these surface features in remote sensing data is therefore vital to determining the origin of flow units in Elysium Planitia and other volcanic regions of Mars.
The student projects will comprise three components: Component 1 will be the field work in the Zuni-Bandera Volcanic Field in New Mexico; Component 2, will be the mapping of volcanic features in the Elysium area of Mars; Component 3 will be the continuing research during the following academic year (access to ArcGIS required).
The students will work in pairs to map various volcanic features in the Zuni-Bandera Volcanic Field. They will likely use a variety of techniques including detailed mapping using GPS (available from F&M and NASA). Depending on the particular interests of the students, samples may be collected and could be analyzed using the lab facilities at F&M (XRF, XRD, ICP etc).
Component 2, Mapping volcanic features in the Elysium area of Mars.
Download, georeference and assemble the required datasets. We will be using a wide variety of datasets including MOLA (gridded data product), THEMIS, CTX and HiRISE data. We will use ArcGIS to build the required databases and compete the mapping and analysis.
Recognize and develop criteria, and map the various morphological features associated with lava flows on Elysium.
Measure various parameters such as aerial extent, surface texture, cross-sections etc.
Compare these features to analog features on the earth (including observations made during the field work in New Mexico).
Interpret the origin of these features.
Place the formation of these features into the broader context of the geological evolution of Mars by mapping their boundaries to determine their relationship with other volcanic deposits.
Complete the database begun over the summer. Continue the mapping of the volcanic features of Elysium, compare these observations to the features mapped in the Zuni-Bandera Volcanic Field (need access to the ArcGIS software).
Complete a similar study in other areas of Mars and make comparisons to other terrestrial locations (for example Hawai'i).
Come to conclusions about the competing interpretations of the origin of various landforms on Elysium, specifically whether they are lava flows or aqueous flow deposits or some combination of the two.
Draw broader conclusions about the role of volcanic and fluvial processes in the evolution of Mars.
The project will start in New Mexico with 10 days of field work, we will then travel to Franklin & Marshall College, Lancaster Pa for the remainder of the project.
New Mexico: During the field work we will be based in Grants New Mexico and travel daily to the field sites. Accommodation will be in a motel (no camping). Expect the field work to be very physically demanding involving long days in rough terrain under hot, dry conditions (average July high temperature is 91oF). Students will be expected to bring there own field clothing and equipment including a backpack, sturdy boots (not sneakers!), water bottle, long pants, hat, and leather-palmed gloves. A camera and hand-held GPS would be helpful but specialized equipment such as high precision GPS units will be supplied by the project.
F&M: While in Lancaster the students will stay in college housing but will prepare their own food; computer and analytical lab work will be carried out in the Department of Earth & Environment.
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Where: Wesleyan University. The project consists mainly of spatial analyses using ArcGIS but will also include training in field data collection.
The Great Lakes have been experiencing a low-water period over the past decade but existing data on island area in The Massasauga is based on high-water stages of the lake. This project will combine aerial photo and satellite imagery interpretation with field data to examine the influence of water level changes on shoreline modifications (island area, shape, composition) and island ecosystems. This project will test two hypotheses: (1) Larger island sizes and increased connectivity during low water stages of the Georgian Bay are correlated with an increase in plant species richness and (2) Islands with a greater percentage of growth during low water stages will have a greater increase in non-native plant species.
Little is known regarding the role of feedbacks between coastal processes, coastline geomorphology, and shoreline vegetation on species richness patterns on islands. Shorelines in The Massasauga are varied (e.g. steep cliff, sandy beach, cobble shore) and therefore affect the colonization and persistence ability of plants differently. The results of this project will shed light on the applicability of the prevailing model of island biogeography in areas of changing shoreline configuration and may contribute to a contemporary theory of island biogeography. This has real-world relevance, such as the misapplication of the equilibrium model in the design of nature reserves.
The Canadian Shield bedrock of The Massasauga consists of the Parry Sound Greenstone Belt (metavolcanic, metasedimentary, and igneous) and the Ontario Gneiss Belt, both of Precambrian origin (Cordiner 1977; Sly & Munawar 1988). As part of the Grenville Peneplain, the general profiles of the islands are relatively flat, ranging from a few meters below lake level in depression basins to circa 50 m above lake level. The bedrock-dominated topography with thin, discontinuous sediments of glacial till and alluvium is due to bedrock erosion and substrate removal during periods of glacial abrasion and post-glacial lake wave-washing (van Luit, 1987; Larson & Schaetzl, 2001). The Thirty Thousand Island archipelago was formed by glacial scouring of the Canadian Shield, erosion from glacial meltwater drainages, and post-glacial isolation (Hirvonen & Woods, 1978). During and following deglaciation, The Massasauga islands periodically emerged and submerged with high and low lake stands. The Massasauga islands permanently emerged as dry land 3-4 ka, following isostatic rebound and draining of the higher than present day lake levels associated with the postglacial Nipissing Great Lakes Periods (Hirvonen & Woods, 1978). Lake levels for the past 2.5 ka show a stabilized mean of 177 m asl (Eschman & Karrow, 1985).
Historic lake levels in the Great Lakes basin show marked fluctuations between approximately 175 and 178 m asl, with chart datum at 176 m asl. In 1986, the record high level was approached with annual mean water levels at 177.5 m asl (Bishop 1990). Since 1998, water levels have fallen below the long-term historic average of 177 m asl. Current lake levels (2011annual mean 176.04 m asl; August 2012 monthly mean 175.97 m asl) are below the historic average, approaching the lowest recorded annual mean water level of 175.68 m asl from 1964. (Seasonal high levels for the Georgian Bay are typically in July and seasonal low levels are during mid to late winter.) Low elevation islands (< 5 m maximum elevation) and all island shorelines emerge and submerge with these fluctuations.
Calculate differences in island area between different field collection years. Examine lake level changes and associated land cover changes on islands previously inventoried for plant species richness using orthoimagery in ArcGIS. The fieldwork occurred during low-water intervals but the base data for the official maps and GIS were configured by the Ontario Ministry of Natural Resources during a high-water period. The student will use orthophotos (georeferenced aerial photographs) from the years of data collection (2001, 2006, and 2011) to digitize new island polygons, calculate island areas, and calculate differences in island areas among the three years. This project involves the application of ArcGIS geoprocessing tools.
Calculate changes in island shape and connectivity. Determine differences in island shape and isolation/connectivity among the fieldwork years in order to discern if changing shapes or isolation relate to differences in temporal variations in plant species richness. This project involves the application of spatial analysis tools in ArcGIS.
Predict island area, shape, and connectivity changes with continued declining lake levels. Although lake levels fluctuate on daily, seasonal, annual, and long-term cycles, recent studies have indicated that Great Lakes water levels will decline 1 m by 2050 (Mortsch et al. 2000). The projection is based on climate change predictions of increased temperatures in the region, increased lake surface evaporation, and extreme seasonal precipitation patterns. Implications of declining water levels on island and shoreline habitats are few (see Schwartz et al. 2007). One student can use bathymetric and elevation data with water level scenario predictions to produce shoreline models. Although the model will be useful for economic, recreation, navigation, etc purposes, the data will be used to predict habitat modifications for biodiversity conservation of the archipelago.
Students will be housed in Wesleyan University dormitory-style housing. Kitchen facilities are available and a food stipend is provided. Working conditions involve spending time in a computer lab using GIS software to analyze large data sets. Students should be well-organized and detail-oriented. Two days of field work are planned which involve riding up to 2 hours (one-way) in vans, working outdoors regardless of weather, navigating on foot through vegetation without the aid of trails, and collecting data in semi-rugged conditions. During the field component, there is the possibility of interaction with toxic plants or dangerous insects or animals.
Students should bring an external hard drive (250 GB minimum recommended), notebook, sturdy hiking shoes, water bottle, and a small backpack. If a student wishes to use a personal laptop for the project, a one-year license of ArcGIS 10.1 will be provided.
No prerequisites. However, priority will be given to students who have had GIS and/or remote sensing coursework. Courses in geomorphology and introductory statistics will also be helpful.
Bishop, C.T. 1990. Historical variation of water levels in Lakes Erie and Michigan-Huron. Journal of Great Lakes Research 16:406-425.
Eschman, D.F. & Karrow, P.F. 1985. Huron basin glacial lakes: a review. In Quaternary Evolution of the Great Lakes (ed. by P. Karrow and P. Calkin). Geological Association of Canada Special Paper 30.
Hirvonen, R. & Woods, R.A. 1978. Georgian Bay Islands National Park Integrated Resource Survey. Forest Management Institute, Ottawa.
Larson, G. & Schaetzl, R. 2001. Origin and evolution of the Great Lakes. Journal of Great Lakes Research 27:518-546.
Mortsch, L.D., H. Hengeveld, M. Lister, B. Lofgren, F. Quinn, M. Slivitzky and L. Wenger. 2000. Climate change impacts on the hydrology of the Great Lakes-St. Lawrence system. Canadian Water Resources Journal 25:153-179.
Schwartz, R.C., P.J. Deadman, D.J. Scott and L.D. Mortsch. 2007. Modeling the impacts of water level changes on a Great Lakes community. Journal of the American Water Resources Association 40:647-662.
Sly, P.G. and M. Munawar. 1988. Great Lake Manitoulin: Georgian Bay and the North Channel. Hydrobiologia 163:1-19.


Report of a Hawk down on the main road of Hornby. The story can be read here.
i get a call from a neighbour nearby that a Great Blue Heron has landed on the edge of her deck & was just standing there in the snow. The story can be read here.
i am sent fotos of an Eagle at Phipps Point who has a terribly injured beak. The story can be read here.
We are walking down at Heron Rocks when a lone Sea Lion is spotted on the rocks in an unusual spot. The story can be read here.
i hear about a Bird with orange colouring that was lying on the road with a broken leg. The story can be read here.
i hear about an Eagle standing on a house*s deck for an unusual amount of time, & then the Eagle has a stumbly walk when she moves away from the person. The story can be read here.
i got a HEART call about fledgling Crows down on the ground in a dangerous spot at Grassy Point! The story can be read here.
VERY young Eaglet is found under Wiig Nest Tree! The story can be read here.
TWO Seal pup rescues on the same day! Norm & his helicopter & the Hornby Water Taxi are involved. The story can be read here.
Merlin fledgling, likely from the Nest we observe on the webcam, spotted at Grassy Point on a fence post. The story can be read here.
Marielle calls me about a Seal pup caught in the rocks at Heron Rocks! The story can be read here.
Marielle calls me about a Seal pup found by visitors at Helliwell! The story can be read here.
A lovely Orange-crowned Warbler hits a window. The story can be read here.
First Wildlife rescue call of 2017!
Wren & i were both called by MARS & a message left for both of us.
i came in quite a bit later & had only a short time before i had to be somewhere else!
The message said a Hawk was reported down on our main road.
i figured hit by a car?
i listened twice to the message & then called MARS back.
Reg answered & said the woman who had called me had talked to someone who had seen a Hawk down on the main road, but that she had been calling the reporter back & not reaching her.
i tried her number & lucked out & got her right away.
i think she had left Hornby, but had seen a Hawk on the side of the road, eating a dead Deer.
The Hawk had been wobbling about the road & not flying, so she had called MARS.
But it turned out that after she called the *Hawk* had managed to fly off & land in a nearby branch where they had a battle with an Eagle & then both flew off.
As far as i know, Hawks don*t eat Deer?
i asked her how big this Hawk was.
Aha, i believe this was actually a young Eagle & explained that to her.
Anyway, sounded like all was well after all & i was greatly relieved not to have to squeeze a rescue into the little time i had left before dark!
i went by the area today, as i also got a call from a friend today saying she*d seen a young Eagle at the side of the road eating a Deer & not scared of traffic at all.
She called me quite a while after her sighting but i went to check it out anyway.
As i was driving past, i did indeed see two young Eagles flying over the road, but though i drove back again, i never did spot the Deer they were eating.
Yesterday afternoon I was pruning fruit trees not far from the address that the message from MARS mentioned.
I could hear eagles calling from down the road the whole time I was there. Calls and trills of adult eagles, and the beautiful rusty-hinge calls of youngsters!
I figured that might be where that deer carcass was. I sure wished for the time to go check it out but I wanted to get as much work done as possible before dark.
i got a call from a neighbour nearby that a Great Blue Heron had landed on the edge of her deck & was just standing there.
She was worried about cats being around, or that something was wrong, so she wanted me to have a look.
i was reluctant to go out because i had just gotten home & wasn*t keen to go out into the snow again, even though she is a short walk away.
So she offered to pick me up!
By the time we got there, the Heron had left the deck & was standing in the yard.
We snuck around the house so that i could get some assessment fotos.
Sure enough, the Heron was just standing there, relaxed in the snow.
i was wondering if this was the Heron that i first heard about here, who then got released here, & what do i know, but this sure looked like the same small Heron, & this spot is not at all far from the pond where he had been released & was hanging out for quite a few days.
Here we are getting closer & he is starting to walk away slowly.
A video of the walking.
After this he flapped & took off, but didn*t go very high & appeared to just sail down the road, so we went looking for him & sure enough there he was in the ditch on the side of the road just uphill from Grassy Point.
i figure i will be hearing more about this youngster.
Sure hope they can find food.
Must be hard to find food with all that snow! Hope it melts soon! Thank you for telling us about this bird, booni...one of my favorite species.
Hope he is okay.... I am sure he is wondering ..." What's up with all this white stuff!!"
A friend sent me a bunch of good fotos of an adult Eagle with blood all over their beak. i looked at the fotos before reading her e-mail & noticed that the Eagle seemed to have a bite injury across their beak, especially visible from the right side! When i read her full message, this was why she*d sent me the fotos. Someone had put a road kill Deer on the cement jetty at Phipps Point & the Eagle was trying to eat this. There was also a dead Sea Lion attracting tons of Eagles north of the Point. i got more good fotos of this Eagle from Maija Maltais. Then i got a link to fotos on someone*s facebook page here.
i also got a call from MARS two days later saying a man had walked right up & touched the Eagle that day.
We went right down there looking & have been looking ever since but have not been able to find this Eagle.
Mum Hornby had a very similar injury, however she had a whole lot of other injuries as well.
Whew, booni! That looks like a painful injury. Sorry you couldn't find that eagle.
That is nasty... hopefully it can be found and something done. Thanks for looking Booni!
i was invited for easter brunch yesterday & was asked right away about the Heron Rocks Sea Lion, which prompted a young fellow to tell me that he had found a Bird with orange colouring on the road with a broken leg!
He said he had moved the Bird to the grass at the side of the road.
i followed him back to the site with a small shoe box lined with a towel, ready to go.
He looked uphill, i went downhill & spotted the poor fella right away, standing on the side of the road with his eyelids closed.
He didn*t even budge when i walked right up to him & grabbed him.
But fight & flight took over when i popped him in the box!
He got out again before i could close the lid!
He flapped into the bush, poor guy, so i had to catch him again & this time i was more careful with the lid.
i had blood on my hand afterwards.
There were a couple heading off Hornby & going to Royston on Vancouver Island, so yay, they agreed to take the Bird & arrange for MARS to meet them there.
Not long after the planned meeting, i got a call from Reg.
He said the leg was broken right through, with only a small bit of skin & a tendon holding it on.
The blood supply was cut right off & could not be connected again.
The dangling leg/foot would only go necrotic, so he said the tough decision was made to euthanize him.
He was a lovely male Towhee.
Sometimes when humans do their very best, things still turn out badly. Sorry for the poorblittle Tohee who suffered like that. Now he is out of pain and at rest.


Day 4 of the 30 Day Pokemon Challenge!
Whew! This one took a lot of studying other gif animations but I did it! Running Flareon, pose based on a running fox :3 I would've made it blink but it got complicated real quick xD I may return to doing that if I have time later on.
Aww, this animation is so cute!! Amazing job!
:3 Fires types are my 2nd favourite.


...In follow-up research that hasn't yet been published, they saw signs that exclamation points — once a rather uncouth punctuation mark — may make your messages seem more sincere than no punctuation at all.
"Texting is lacking many of the social cues used in actual face-to-face conversations. When speaking, people easily convey social and emotional information with eye gaze, facial expressions, tone of voice, pauses, and so on," Klin said in a statement. "People obviously can't use these mechanisms when they are texting. Thus, it makes sense that texters rely on what they have available to them — emoticons, deliberate misspellings that mimic speech sounds and, according to our data, punctuation."


This par 71, 18 hole championship course Minthis Hills Golf Club is located on the grounds of a 12th century monastery in the beautiful region of Paphos in Cyprus. This peaceful setting and stunning views create the ideal backdrop for a great round with fairways sweeping through mature trees and water features.
Due to its position at 550m above sea level Minthis Hills Golf Club is in great condition all year. Opened in 1994 after the original design from Donald Steel, it has recently undergone major renovation by Mackenzie & Ebert. Despite being the oldest course in Cyprus, they have maintained its rich tradition whilst ensuring it still has that air of quality.
Enjoy a round at Minthis Hills on your next golf holiday in Cyprus!
The oldest courses in Cyprus, Minthis Hills offers a championship experience.


text:
[INTERVIEW] Winner returns as four-member dancing act
YG Entertainment's K-pop band WINNER, from left, Lee Seung-hoon, Song Min-ho, Kim Jin-woo and Kang Seung-yoon pose in the photo for new mini-album "Fate Number For" release. / Courtesy of YG Entertainment
By Kim Jae-heun
K-pop band Winner is down a member, but the four remaining bandmates push on, releasing their second mini-album with a three-day "concept showroom" showcase at Club NB near Hongik University, western Seoul.
The group debuted with five members originally, but main vocalist Nam Tae-hyun bowed out due to mental illness. YG Entertainment announced that the contract with the singer ended on Nov. 18 and the band will continue to perform without a replacement for him.
The band took a break in 2015 while its members pursued solo careers. "A year and two months on hiatus wasn't a long time for us. We released a mini-album last year and we regularly met our fans through V-live shows," Winner member Kang Seung-yoon said during an interview at Club NB, Tuesday. "It's quite interesting and awkward without Taehyun and we definitely feel his empty spot. We tried hard to fill the emptiness and spent a lot of time developing our skills during the break."
Winner's new mini-album "Fate Number For" consists of two singles _ "Really Really" and "Fool" _ and their instrumental versions.
"Really Really" is the band's first attempt at the "tropical house" genre. Kang wrote the song with the group's rapper Song Min-ho.
Kang said the group has pursued emotional music with deep feelings in the past and now the band wanted to try young and bright songs that they can perform to. At the same time, he denied that the change in their musical style was due to Nam's departure, as he had previously been writing songs for Winner with an unyielding originality that gave the band its uniqueness.
"We practiced dancing a lot before we debuted, but we had no chance to show that as we only released slow and sentimental songs. Through this album, we will appeal to fans with major music, which we will dance to. We've been waiting to try such genres," Kang said.
Q. When do you feel Nam Tae-hyun's absence most?
A. Kang Seung-yoon: The group members live together in one house and we felt his absence when he left our home. Also, a band looks stable when it has an odd number of members, especially when they perform on the stage, because you have one person in the center, leading the formation. Without Nam, it was strange and uncomfortable for us to perform. Apart from that, he was our main singer, so the members have to do their part to cover Taehyun's vocals.
Q. What does the title of your album "Fate Number For" signify?
A. Kang: Well, it has dual meanings as it can be pronounced similarly to the number four and it tells we've returned in four. It can also refer to the preposition as in we are going somewhere or we want to work for somebody. We wanted it to have many meanings.
Q. Winner has prepared powerful performances this time. What kind of dance will you show?
A. Kang: Tropical house is not a genre that you can perform powerful choreography to. It does not adopt a fast beat and it's more like chilling and young music. Still, we managed to put powerful moves at the end while starting with putting ourselves in the slow and natural groove of the song.
Q. When will you release more songs?
A. Lee Seung-hoon: We worked on a lot of songs during our break and we are still writing new songs. We will release two more mini-albums this year and Yang Hyun-suk approved it. It's only a matter of whether we will present what we already have or a totally new song that hasn't been produced yet.
Q. What is the advantage of being a four-member act?
A. Lee: First of all, I made the choreography and I was worried about dancing as a four-member act. It is preferable for an idol band to have an odd number of members so there is one in the center leading the line stably. But when we performed in four, it was rather refreshing and original. I thought it was artistic in some way that we are not displaying perfect symmetry.
Q. It has been three years since Winner's debut. What kind of band do you wish to become?
A. Kang: We prefer to be called a group that keeps developing rather than a top class band. Our goal is to not stay at one level and keep moving on to show better performances. In this album, you will see a lot of development in Jin-woo's vocals.
A. Lee: Not only has he improved his vocalization in singing, but also the way he portrays emotions when he sings and the confidence he earned through his performance in the contemporary dance project "Little Prince," recently.
jhkim@ktimes.com More articles by this reporter
Taylor Swift becomes highest-paid celebrity

redpajama_set_name: RedPajamaCommonCrawl


text:
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package sistema_escolar.producer;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Produces;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import sistema_escolar.qualifier.MyDatabase;

/**
 *
 * @author Vitor Freitas
 */
@ApplicationScoped
public class EntityManagerProducer
{
    private final EntityManagerFactory factory;

    public EntityManagerProducer()
    {
        this.factory = Persistence.createEntityManagerFactory("sistema_escolar");
    }

    @Produces
    @MyDatabase
    @RequestScoped
    public EntityManager createEntityManager()
    {
        return this.factory.createEntityManager();
    }

    public void closeEntityManager(@Disposes @MyDatabase EntityManager manager)
    {
        manager.close();
        System.out.println("FECHADO " + manager.isOpen() );
    }
}

redpajama_set_name: RedPajamaGithub


Quality effective by day and night, our battery operated church pillar candles diffuse a calming ambience of candlelight in your home while ensuring your display is as safe as it is eye-catching. They're cleverly crafted from genuine ivory wax to give the effect of real candles, from their warm flickering glow to their tactile, undulating texture. With a subtle wax drip effect our candles look as though they've been lit for around 5 hours already.


Gov. Chris Christie's problems are a lesson to every politician in Wisconsin.
Gov. Chris Christie. Photo from the State of New Jersey.
The most dangerous persons for an elected state official – Democrat or Republican – are often junior staffers who are dead-sure certain of what The Boss needs to know, what they think they can fix without The Boss knowing, and are dedicated to helping The Boss keep winning elections.
Christie is now reeling from decisions made by those he trusted – many of them now ex-aides – subpoenaed by Democratic legislators. The New Jersey governor insists he was never told, and didn't know, that those aides closed George Washington Bridge lanes from Fort Lee to punish that city's mayor for refusing to endorse Christie's re-election.
The traffic jam stranded angry commuters, school children and those on their way to medical appointments. The controversy may or may not ruin Christie's bid to be the Republican nominee for President in 2016.
Every elected official across the nation should learn from Christie's example, since they all run the risk of having overzealous aides, volunteers and even interns act in ways that embarrass or ruin them.
Here's how it happens: Your best friend from high school, college, or even elementary school stays close, and helps out you when you run for office. Or a kid, willing to do anything, shows up at your first campaign office. Or a wide-eyed college student majoring in political science wants to learn about politics firsthand, or to get a college credit or two.
How do we attack our opponent? What do we leak to a friendly reporter? What position do we take on an issue that polls 50-50 back home? Who's writing checks? Can they give more? Why is someone not donating to us? How does this race lay the groundwork to run for the Legislature … for Congress … for Governor …for President?
If you win an election, you may find a job with a real salary and real benefits for them. Or, if they don't get a patronage job, they remain part of your "kitchen cabinet" group of insiders.
Soon, even though they may still be in their 20s, those aides confidently know – absolutely know! – how to help you, what calls you should not take, who you should and should not meet with, and how to protect you.
You're a Very Busy Person, after all. You can't meet with everybody. You can't make every decision. You have to trust somebody, so why it shouldn't be someone who has been there from the beginning who knows all you've been through?
Those aides have entered the Danger Zone. They can give orders, or respond to controversies, using that "I'm speaking for The Boss" tone that commands attention.
One more reason why those aides are especially dangerous: They are often so seduced by politics that they plan to run for office – maybe even your job, if you move up the political ladder or retire. At that point, the aide may not make the best decisions for The Boss.
*Four-term GOP Gov. Tommy Thompson told his campaign managers: I want to win by a bigger margin the next time that I did last time. Imagine what pressure that put on campaign managers, and those working for them.
*An aide to former GOP Gov. Scott McCallum once ordered cheap silver discs bearing McCallum's image to give to Capitol visitors to his office. It was news to McCallum.
*Aides to Republican Gov. Scott Walker made some decisions – having Walker take a call from a liberal talk-show host pretending to be a conservative billionaire and hiring an ex-campaign worker who disparaged minorities on social media – they would like back.
But so far, none of those eager aides and their sometimes questionable decisions have hurt their boss as badly as the political wound Christie has suffered.
It is simply "shadow of the leader" effect. When you have leadership like Christe and Walker that are rotten to their core with attributes like sleaziness, lack of accountability, always blame someone else, dishonesty, fascist style of governance and totally bought off by wealth and corporations, allow the corporations to write the laws through ALEC, and total lack of respect for the citizens and workers in society, the outcome is inevitable. They hire similar staff that will behave the same way and the after-affects are a wreckage that the next administration has to clean up that takes years of wasted time and treasure. The only difference between Walker and Christe is that Christie is not afraid to put on a bully appearance facade as a tough guy, where Walker sneaks around like stealth slime and lies 77% of the time according to Politifact, and makes up the remainder of his material from his ALEC bullet talking points.
First of all, great job by Walters looking into Democrat aides who go rogue. You really could not find one? This type of "reporting" gets people like David in a lather, which must be the intent. You want lack of accountability? You want stealth, dishonesty and fascist style governance? Look no further then the Obama administration and the abuses of the IRS, the disaster that is Obamacare and the fact that the administration has altered an actual law 29 times without any consent of Congress. He appointed a Treasury Secretary, Geithner, who failed to pay taxes for 3 years. Eric Holder was responsible for the Fast and Furious debacle that ended up with our government selling over 1600 weapons to Mexican drug cartels and in the death of one of our own law enforcement officials. The Department of Justice failed to appoint anyone to look into the IRS targeting of Conservatives until last month when they picked a huge Obama donor, Barbara Bosserman, as head of the investigation. In the mean time they waited just a few days before appointing someone to look into a simple traffic jam in NJ. You really want to talk about sleaziness Dave? Look at your own party.
Fascism is a far-right wing form of governance. Anyone can look up the definition. It is being wed to corporations in running government. The definition fits what is going on in many Republican states without the defined portion of nationalism.
The IRS should be looking into tax evasion and political action groups that have long funneled money and obtain tax deductions by corporations that manipulate politicians. I expect IRS to look for tax cheats, otherwise the deficit rises and the rest of us are left to pick up the tab. The 1950s law was clear that tax deductions are for social welfare, 501C3 organizations. This law needs to be enforced.
The Affordable Care Act is doing what is intended, providing insurance options to millions of people that need it. The sign up was a mess that is being solved and overcome. States that have decided to participate are signing up millions of people and saving their state economies billions.
Regarding the IRS investigations, many groups were involved and only left leaning groups were held responsible for paying taxes. Left and Right were investigated, not just Right.
Selection of Geinthner was a huge mistake. People like him helped grease the skids for the economic crash. Obama has his fair share of Wall Street contributors and has been timid, along with Holder at going after white collar criminals.
Bush started the Fast and Furious program. Holder had to clean up the mess by figuring what was going on.
There have been multiple investigations by a Republican Congress that has not yielded any fraud or wrong doing on the part of the Obama Administration. Most of the Republican blather is smoke and mirrors to create an appearance and smearing of an administration.
Anyone can look up the definition but it takes someone like you to twist reality to fit your radical agenda. The IRS under Obama specifically targeted Conservative groups and continue to do so. To state anything else is as false as saying, " If you like your health plan, you can keep it, If you like your doctor, you can keep him, period." Of course that great lie was told over 25 times by Obama to sell his failed health plan. Only a lefty could say that a law that has been changed and delayed 29 times since it was enacted, is working. Obamacare actually kicked more people off of insurance then it added as of Jan 1, 2014. Now you lefties are trying to sell the American people on the idea that 2.5 million less full time jobs being vacated in the economy is liberating, and a good thing. Amazing. The gun running and the specific program where over 1600 guns were sold to Mexican drug cartels happened exclusively under Holder/Obama. The housing bubble was caused in large part by Barney Frank and Clinton when they forced lenders to give loans to people who had no business owning a house. There is no need to smear an administration as lawless as this one. The facts speak for themselves. I understand you are passionate in your views, but you need to be more truthful in order to have an actual honest debate.
Yes, the facts do speak for themselves as I stated. The ongoing Republican lies and distortions are mere fabrications and has been their strategy and history for decades, and like Walker and Christie, always blame and smear someone else. In regards to the intent of the article.
Walker's staff usually finds a jail cell as he throws them under the bus. Same as Christie is doing in his state. It speaks volumes about their true character flaws and lack of any accountability in unleashing corruption and chaos. It is simple "shadow of the leader". Slimy people attract other slimy people of similar character and the outcomes are predictable. It is a pattern repeated throughout history.


The Half Windsor Knot, a modest version of the Windsor Knot, is a symmetrical and triangular tie knot that you can use with any dress shirt. It works best with somewhat wider neckties made from light to medium fabrics. To tie the Half Windsor Knot, select a necktie of your choice and stand in front... For top knots or buns there are two directions - either to have all mane long and tie into buns and tails, or to have an undercut and leave the crown part grow out to tie it into a top knot. The last design is really quite popular among young men.
Rope Knots This selection of over 90 of the best rope knots is for use by boaters, paddlers, scouts, search and rescue, arborists, climbers and all outdoor pursuits. It includes a large range of essential utility knots.... For top knots or buns there are two directions - either to have all mane long and tie into buns and tails, or to have an undercut and leave the crown part grow out to tie it into a top knot. The last design is really quite popular among young men.
The French knot is one of several knotted stitches used in surface embroidery and produces a knot similar to a colonial knot. This stitch has a reputation for being one of the most difficult but is actually quite simple to work once you get the hang of it. how to wear ankle rain boots skirt As the male top knot is also a style donned by Sumo wrestlers and Jedi Knights alike, you may find yourself tempted to give the men�s top knot trend a go. So, to guide and inspire your mane journey, we�ve found 10 handsome male top knot hairstyles, which certainly won�t disappoint.
Yet most men use one tie knot their entire lives. I'm showing you 18 ways to tie a necktie, so you will be able to tie all the best tie knots � starting with the quickest and easiest tie knot, the Simple or Oriental Knot. Learn how to tie a tie step by step: The Simple Knot (Oriental Knot) Tying Instructions. Learn how to tie a tie: The Simple Oriental Knot: Drape the tie around your collar how to work in payroll 1. We've all come to know and love the man bun, but a topknot is a far superior hairstyle.
On the other hand, the top knot is a type of undercut hairstyle which requires you to maintain long hair on top with shaved or faded sides. Make sure to leave enough length on top to actually be able to tie a knot.
The Suebian knot (German: Suebenknoten) is a historical male hairstyle ascribed to the tribe of the Germanic Suebi. The knot is attested by Tacitus in his 1st century AD work Germania, found on art by and depictions of the Germanic peoples, and worn by bog bodies.
18/11/2013�� This hair style is giving new meaning to the phrase �man up.� The man bun, an updo for dudes, has turned Hollywood on its head � but male top knots aren�t always top notch.


In this school I could get to know people from all around the globe, which is also getting in touch with the Canadian lifestyle. The time in class was spent, at higher levels, discussing different topics. Was a very conversational course.
iAgora provides student reviews and information about LSC Language Studies Canada Toronto and other language schools. Whether you want to learn Spanish, English, Chinese, French or other languages, we help you find language courses in many countries that will help you globalise your CV.