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  • Ice cave in remnant of Marr Ice Piedmont as it melts back from shore of Anvers Island, Antarctica. Photo 2000; ice gone by 2005. Ice cave in remnant of Marr Ice Piedmont as it melts back from shore of Anvers Island, Antarctica. Photo 2000; ice gone by 2005.
  • Zodiac carrying scientists from US Palmer Station Base explore the receding edge of Marr Ice Piedmont, Anvers Is Antarctica. Zodiac carrying scientists from US Palmer Station Base explore the receding edge of Marr Ice Piedmont, Anvers Is Antarctica.
  • Disco coast of Antarctic Peninsula in low light, April 1999, showing crevasses and calving front of faster moving, thinning glacier. Disco coast of Antarctic Peninsula in low light, April 1999, showing crevasses and calving front of faster moving, thinning glacier.
  • Ablating edge of Marr Glacier, Anvers Is Antarctica, exposing edge of rocky land. Hundreds of measured glaciers on Antarctic Peninsula are thinning and moving faster. Ablating edge of Marr Glacier, Anvers Is Antarctica, exposing edge of rocky land. Hundreds of measured glaciers on Antarctic Peninsula are thinning and moving faster.
  • Disintegration of the Muller Ice Shelf in 1999, one of many floating ice plateaus that is breaking up, allowing landed glaciers to move faster into the sea. Disintegration of the Muller Ice Shelf in 1999, one of many floating ice plateaus that is breaking up, allowing landed glaciers to move faster into the sea.
  • Marr Glacier, Anvers Island, Antarctica, calving into Arthur Harbor, one of hundreds of land glaciers receding or flowing faster in the Peninsula Marr Glacier, Anvers Island, Antarctica, calving into Arthur Harbor, one of hundreds of land glaciers receding or flowing faster in the Peninsula
  • On an ilet near the US Palmer Station on Anvers Island, Antarctic Peninsula, ecologist Bill Fraser counts Adelie penguins, which are threatened by changes in summer sea ice. On an ilet near the US Palmer Station on Anvers Island, Antarctic Peninsula, ecologist Bill Fraser counts Adelie penguins, which are threatened by changes in summer sea ice.
  • Adelie penguins in sunset light, Torgerson Is Antarctica, where they are declining due to changes in summer sea ice and prey, krill that live under the ice. Adelie penguins in sunset light, Torgerson Is Antarctica, where they are declining due to changes in summer sea ice and prey, krill that live under the ice.
  • Researcher working for ecologist Bill Fraser counting Adelie Penguins; Fraser and fellow scientist Donna Patterson prepare to weigh a penguin. Researcher working for ecologist Bill Fraser counting Adelie Penguins; Fraser and fellow scientist Donna Patterson prepare to weigh a penguin.
  • Photomicrograph of plankton Photomicrograph of plankton from Antarctic waters, including diatoms. Samples and Nikon photomicrograph equipment at Palmer Station, courtesy of Maria Vernet, Scripps. Microscopic phytoplankton are the base of the Southern Ocean food web; make 75% of ocean primary production.
  • research vessel Nathaniel B. Palmer The 300 foot research vessel Nathaniel B. Palmer, built by the National Science Foundation, eases its way through fog in the Bellingshausen Sea enroute to Palmer Station, Antarctica. See: http://www.worldviewofglobalwarming.org/pages/antarctica.php