NASA Earth Science Division...NASA Earth Science Division Mitchumand+Nerem,2007 Eric+Steig...
Transcript of NASA Earth Science Division...NASA Earth Science Division Mitchumand+Nerem,2007 Eric+Steig...
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Image: M. Studinger
Universidad de Magallanes en Punta Arenas15 November 2010
NASA Earth Science Division
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Mitchum and Nerem, 2007
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Eric Steig et al., Nature, 2009
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Image: Jim Yungel
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Ice Penetrating Radars contained in fairing below hull( snow-depth radar antennas in wing roots)
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Oct 28, 2010: Sea Ice Mission over Weddell Sea with CryoSat-‐2 underflight
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Sea Ice Conditions along Weddell Sea CryoSat Profile
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400 m
5 m
0 m
Freeboard measurementof sea ice forthickness estimation
October 28, 2010 – Weddell Sea
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leads/waterSnow surface
sea ice
500 m1 m
October 28, 2010 – Weddell Sea
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Oct 30, 2010: Sea Ice Mission over Bellingshausen and Amundsen Seas
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ICESat Orbits
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Amundsen-Scott South Pole Station
IceBridge DMS aerial photo from November 4, 2010
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DC-8 overhead of South Pole Station
Image: David (Pablo) Cohn, South Pole Station
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10 km
1 km
ROCK
ICE
AIR
ice surface
Internal layers
bedrock
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more than 100drawdown
Image: T. Scambos
Larsen B Ice Shelfbefore collapse
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Operation IceBridge:http://www.nasa.gov/icebridge
Data is freely available atNational Snow and Ice Data Center (NSIDC)http://nsidc.org/data/icebridge/