Earth Sciences and Image Analysis Photographic Highlights

ISS020 Earth Sciences and Image Analysis Photographic Highlights

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ISS020-E-39083

photo ID ISS020-E-39083
ISS020-E-39083 Click the photo number to access all resolutions available and the database record.

Glacier Outlet, Southern Patagonian Ice Field, Chile: The Southern Patagonian Ice Field of Chile and Argentina hosts a spectacular array of glaciers and associated glacial features within the southern Andes Mountains. Glaciers flowing downhill on the eastern side of the mountains have outlets into several large freshwater lakes. On the western side of the mountains, glaciers release ice into the Pacific Ocean via an intricate network of fjords. Fjords are steep valleys originally cut by glaciers during periods of lower sea level that are now inundated. As glaciers flow into the fjord, ice at the front of the glacier begins to break off and form icebergs that can float out to sea—a process known as calving.
This detailed astronaut photograph shows the merged outlet of Penguin Glacier and HPS 19 into a fjord carved into the snow-covered mountains of the southern Andes. The designation HPS stands for Hielo Patagónico Sur (Southern Patagonian Icefield) and is used to identify glaciers that have no other geographic name. Ice flowing into the fjord begins to break up at image center, forming numerous icebergs. The largest visible in this image is approximately 2 kilometers in width. The large ice masses visible at image center have a coarse granular appearance due to variable snow cover, and mixing and refreezing of ice fragments prior to floating free.

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Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .

NASA Responsible Official: Tracy Calhoun

Curator: jsc-earthweb@mail.nasa.gov

Contributors: Earth Sciences Web Team

National Aeronautics and Space Administration

Lyndon B. Johnson Space Center

International Space Station National Laboratory

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This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate. Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .
	NASA Responsible Official: Tracy Calhoun Curator: jsc-earthweb@mail.nasa.gov Contributors: Earth Sciences Web Team	National Aeronautics and Space Administration Lyndon B. Johnson Space Center	International Space Station National Laboratory Last Update:
Server: 1