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205 images Created 22 Apr 2015

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  • Mette Kaufman holds an ice core she recently drilled from the Arctic Ocean icepack.
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  • The bow of the Polar Sea icebreaker at night with northern lights just above the horizon. A spotlight from the ship helps guide it through the ice. Arctic Ocean
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  • Daniel Whiting and Dawn Sechler check the water collection device called a CTD (Conductivity, Temperature, and Depth) used for collecting water samples from the Arctic Ocean.
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  • The icebreaker cuts a path in the newly forming ice of the Arctic Ocean.
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  • Dr. Steven Amstrup, lead scientist for the US Geological Survey, darts a female polar bear on the Beaufort Sea. Darting the bears from a helicopter can be extremely treacherous. The pilot has to hover over a running animal that is twisting and turning, dodging and ducking, an animal that feels it's running for its life. This bear is hit directly between the shoulders with an immobilizing dart. It takes anywhere from 4-15 minutes for the drug to take effect and immobilize the bear which will be out for 1-2 hours as the scientists process the data.
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  • Dr. Steve Amstrup, leaning from a moving helicopter, takes careful aim with his dart gun used to inject an immobilizing drug into a polar bear. Beaufort Sea ice pack, Kaktovik, Alaska
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  • Karyn Rode prepares to take data from a large male polar bear on the ice pack of the Beaufort Sea, Alaska.
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  • Dr. Steve Amstrup, USGS biologist, takes the skull measurement of a large male polar bear on the ice pack of the Beaufort Sea. A group of biologists lead by Dr. Amstrup, head to the Beaufort Sea pack ice each year to collect data on this region's polar bear population. I spent two weeks helping them with their research and documenting their project. This is part of the Tri-P, Polar Population Project, sponsored in part by Polar Bears International to census Arctic regions for an accurate count of the world's remaining polar bears
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  • Snowy Owl, (Nyctea scandiaca) Female being prepared for satellite transmitter. Barrow, Alaska.
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  • The icebreaker Polar Sea in the arctic pack ice of the Beaufort Sea.
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  • Broken ice in the Beaufort Sea. Arctic Ocean
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  • A radio-collared polar bear (Ursus maritimus) makes its way across the broken ice pack of the Beaufort Sea. Arctic Ocean
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  • Heloise Chenelot pauses in the dive hole in the Arctic Ocean.
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  • Shawn Harper emerges from the icy waters of the Arctic Ocean.
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  • The dive team works to open a hole in the Arctic Ocean ice pack.
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  • The bow of the Polar Sea icebreaker moves through the ice that is illuminated by the ship's lights. Arctic Ocean
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  • Vials of serum from the blood of a polar bear.
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  • Merav Ben-David from the University of Wyoming  and project leader of the Polar Sea Icebreaker polar bear research cruise, passes by her two colleagues John Whiteman and Hank Harlow as they collect breath from a polar bear for a breath analysis experiment. Arctic Ocean
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  • John Whiteman displays the LButton Thermochron deep core body temperature device that is implanted inside the abdominal wall of a polar bear for long term body temperature data.
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  • John Whiteman displays the Ibutton Thermochron deep core body temperature device that is implanted into polar bears for long-term body temperature data.
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  • John Whiteman displays the IButton Thermochron deep core body temperature device that is implanted inside the abdominal wall of a polar bear for long term body temperature data.
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  • Hank Harlow from the University of Wyoming demonstrates the process of how they collect and freeze the biceps femoris tissue sample  from a polar bear which will eventually be placed in liquid nitrogen for instant freezing.
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  • An unknown Polynoid worm species taken from the waters of the Arctic Ocean.
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  • Denver Holt weighs a snowy owl (Bubo scandiacus) chick on the north slope of Brooks Range, Alaska.
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  • Dr Steven Amstrup collects data from a polar bear on the Beaufort Sea, Alaska.
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  • A polar bear cub begins to wake from an immobilizing drug. Dr. Steve Amstrup and assistant work on its mother in the background. The cub's lip has green dye from a tattoo that was applied to the inside of his lips. Scientists will use the tatoo to identify him in the future.
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  • Dr. Steve Amstrup, USGS biologist, and chopper pilot Doc Gohmert hover over a polar bear (Ursus maritimus) recently darted with immobilizing drugs. Beaufort Sea ice pack, Kaktovik, Alaska
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  • Dr. Steven Amstrup and assistant Karyn Rode prepare a large male polar bear for scientific data collection they perform out on the ice of the Bering Sea. This large specimen was captured after being immobilized with a dart from a helicopter. This adult male wasn't even over 1,000 pounds, unlike many Dr. Amstrup captured in the 1980s that would tip the scales considerably over that 1,000-pound mark. Alaska
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  • Steve Amstrup and Geoff York, USGS biologists, taking blood from an immobilized large male polar bear.
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  • Steve Amstrup and Geoff York, USGS biologists, taking field data from an immobilized large male polar bear (Ursus maritimus). Kaktovik, Alaska.
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  • Steve Amstrup and Geoff York, USGS biologists, taking field data from an immobilized large male polar bear (Ursus maritimus). Kaktovik, Alaska
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  • Geoff York, USGS biologist, prepares a radio collar while Katrina Knott, research assistant, paints an ID number on the back of a polar bear. The ID number is to make it easy to see from the air that the bear was captured already.
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  • Geoff York, USGS biologist, and Katrina Knott, research assistant, collect data from a polar bear (Ursus maritimus) on the Beaufort Sea ice. Kaktovik, Alaska
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  • Buggy One prepares to dock at the lodge after a day of exploration. Hudson Bay, Churchill, Manitoba, Canada
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  • The Polar Sea icebreaker in the Arctic pack ice of the Beaufort Sea.
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  • Broken ice in the Beaufort Sea. Arctic Ocean
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  • Sunrise seen from the icebreaker Polar Sea. Beaufort Sea
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  • Shawn Harper emerges from the dive hole cut in the Arctic Ocean.
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  • Shawn Harper and Heloise Chenelot emerge from the icy waters of the Arctic Ocean.
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  • A radio collar and radio receiver used for polar bear science data collection.
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  • One of the target polar bears that was never captured runs across newly formed ice in the Arctic Ocean.
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  • A pteropod commonly called a Sea Angel captured from the Arctic Ocean.
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  • Shawn Harper ad Katrin Iken cut a dive hole in the ice of the Arctic Ocean.
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  • Jeff Wenciker and Zachary Spence, US Coast Guard science technicians, lower a CTD in to the Arctic Ocean for water sampling.
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  • John Whiteman cuts open the IButtone Thermochron, a deep core body temperature device that was removed from polar bear #21045. Arctic Ocean
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  • John Whiteman with the IButtone Thermochron, a deep core body temperature device that was removed from polar bear #21045. Arctic Ocean
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  • Blood samples from a polar bear. Polar Sea icebreaker, Arctic Ocean
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  • Mette Kaufman pulls up an ice core sample. Arctic Ocean
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  • Mette Kaufman pulls up an ice core sample. Arctic Ocean
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  • Shawn Harper and Katrin Iken prepares to dive in the ARctic Ocean.
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  • Brenna McConnell, Metta Kaufman, and Cristina Galvan working on ice core samples from the Arctic Ocean.
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  • Metta Kaufman and Brenna McConnell from the University of Alaska, Fairbanks, taking ice core samples from the Arctic Ocean.
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  • Metta Kaufman and Brenna McConnell from the University of Alaska, Fairbanks, taking ice core samples from the Arctic Ocean.
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  • Metta Kaufman and Brenna McConnell from the University of Alaska, Fairbanks, taking ice core samples from the ice of the Arctic Ocean.
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  • Metta Kaufman and Brenna McConnell from the University of Alaska, Fairbanks, taking ice core samples from the ice of the Arctic Ocean.
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  • Brenna McConnell saws an ice core in pieces for samples to be taken back to the ship. Arctic ocean
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  • Brenna McConnell, Metta Kaufman and Cristina Galvan working on ice core samples from the ice of the Arctic Ocean.
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  • Brenna McConnell hauls an ice core sample from a recetnly drilled hole.
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  • Cristina Galvan and Brenna McConnell taking ice core samples from the ice of the Arctic Ocean.
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  • Mette Kaufman drills holes in an ice core for placing a thermometer in to take temperature profiles. Arctic Ocean
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  • Heloise Chenelot waits for help to exit the ice hole she's been diving in. Arctic Ocean
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  • Richard Morris and Heloise Chenelot prepare to go beneath the surface of the ice of the Arctic Ocean.
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  • Shawn Harper holds a dive line for a fellow diver while the Polar Sea Icebreaker waits for their return. Arctic Ocean
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  • Katrin Iken monitors the progress of a fellow diver through a hole in the ice of the Arctic Ocean.
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  • Katrin Iken plays out the rescue line to a diver beneath the ice of the Arctic Ocean.
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  • Heloise Chenelot and Richard Morris prepare to dive below the ice of the Arctic Ocean.
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  • Shawn Harper cuts a hole in the ice for a diving. Arctic Ocean
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  • Shawn Harper cuts a hole in the ice for a diving. Arctic Ocean
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  • US Coast Guardsman Daniel Smith inspects the CTD water collection device on board the Polar Sea icebreaker.
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  • The polar bear team weighs a female polar bear. Arctic Ocean
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  • John Whiteman and Hank Harlow, both from the University of Wyoming, collect breath from a polar bear for a breath analysis experiment. Arctic Ocean
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  • The icebreaker Polar Sea sits in the arctic pack ice of the Beaufort Sea while dive and ice coring teams collect samples. Arctic Ocean
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  • Amphipod taken from the waters of the Arctic Ocean.
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  • Amphipod taken from the waters of the Arctic Ocean.
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  • An amphipod from the Arctic Ocean photographed in a petrie  dish.
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  • Serum and plasma samples from a polar bear being prepared to be archived.
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  • Merav Ben David puts a blood sample in a Blood Hematology Analyzer aboard the Polar Sea icebreaker.
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  • The polar bear capture team collects data from a female polar bear and her cub. Arctic Ocean
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  • The polar bear capture team collects data from a female polar bear and her cub. Arctic Ocean
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  • Polar bear capture team's field box.
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  • The radar screen on the Polar Sea Icebreaker glows green showing the crew what ice conditions are ahead. Beaufort Sea, Arctic Ocean
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  • The bow of the Polar Sea Icebreaker. Arctic Ocean
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  • Dan Whiting and Dawn Sechler checking the Flow Through Incubation experiment used to identify how additional sunlight through lack of sea ice cover will affect microscopic life in the Arctic Ocean.
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  • Dan Whiting and Dawn Sechler checking the Flow Through Incubation experiment used to identify how additional sunlight through lack of sea ice cover will affect microscopic life in the Arctic Ocean.
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  • The crew of the Polar Sea Icebreaker plots the course for the coming day. A radar screen depicts the thin and broken ice found in the Arctic Ocean in early October.
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  • Daniel Whiting holds a glass fiber water filter used to collect samples of particulate organic matter such as chlorophyll A, fatty acids, staple isotopes and dissolved organic carbon from water collected with a CTD from the Arctic Ocean.
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  • Dawn Sechler pours water collected from a recent CTD cast into beakers for analysis in the wet lab of the Polar Sea Icebreaker.
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  • A scientist  in the wet lab of the Polar Sea Icebreaker pours water collected from a recent CTD cast into beakers for analysis.
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  • Daniel Whiting checks the computer monitors that show the data from his water collection experiment. The graphs show much warmer water tempuratures than usual. Arctic Ocean
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  • Zachary Spence directs the launch of a water collection device called a CTD off of the US Coast Gaurd ship Polar Sea into the Arctic Ocean.
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  • Daniel Smith, US Coast Guard, Polar Sea Icebreaker, prepares to drop a water collection device called a CTD into the Arctic Ocean.
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  • Dr. Steve Amstrup on a Tundra Buggy watching and photographing polar bears. Canada
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  • Polar bear shot with a dart filled with an immobilizing drug. The bear is showing signs of ataxia. Beaufort Sea, Alaska
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  • Dr. Steven Amstrup, lead polar bear scientist for the USGS, checking polar bear tracks on the ice of the Beaufort Sea, Alaska.
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  • Dr Amstrup prepares to attach a GPS satellite tracking collar to an immobilized polar bear on the Beaufort Sea. The collars are placed on females exclusively since the necks of males get too large for them to work properly. The collars are a high tech way to follow these animals far out onto the ice where humans can't go. The bears are tracked by satellites which helps the scientists determine the home range of individual animals and other details about a particular bear's life such as length of time spent resting or hunting in one area.
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  • A large male polar bear immobilized on the ice of Beaufort Sea.
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  • Dr. Steve Amstrup weighs a polar bear on the Beaufort Sea, Alaska.
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  • Dr. Steven Amstrup shows the canines of a polar bear. Beaufort Sea, Alaska
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  • Dr. Steven Amstrup and Susie Miller collect the Bioelectric Impedance Analysis (BIA) that quantifies fat reserves of a recently immobilized polar bear on the Beaufort Sea, Alaska.
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  • Dr. Steven Amstrup measures the length of a recently immobilized polar bear. A spot of red blood on the animal's fur shows the entrance point of the dart. Beaufort Sea, Alaska
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