April 1, 2009

Steve Cole Headquarters, Washington 202-358-0918 stephen e cole@nasa gov

Jane Beitler National Snow and Ice Data Center, Boulder, Colo 303-492-1497 jbeitler@nsidc org

MEDIA ADVISORY: M09-053

NASA MEDIA BRIEFING PROVIDES CHECK-UP ON ARCTIC SEA ICE

WASHINGTON -- NASA and the National Snow and Ice Data Center in Boulder, Colo , will hold a media teleconference on Monday, April 6, at 11 a m EDT, to present the latest observations of sea ice conditions in the Arctic

Sea ice cover over the Arctic Ocean typically reaches its maximum geographic extent and thickness just as spring begins in the Northern Hemisphere In 30 years of satellite measurements of sea ice, the six smallest wintertime measurements all have occurred since 2004 Scientists also have observed that ice thickness and age are changing They will present their analyses of Arctic ice cover for the 2008-2009 winter season at the briefing

The teleconference participants are: - Ronald Kwok, research scientist, NASA's Jet Propulsion Laboratory, Pasadena, Calif - Walter Meier, cryosphere scientist, National Snow and Ice Data Center, University of Colorado, Boulder, Colo - Thomas Wagner, cryosphere program manager, NASA Headquarters, Washington

To participate in the teleconference, reporters must contact Steve Cole at 202-358-0918 or stephen e cole@nasa gov for dial-in instructions no later than 5 p m EDT on April 3

Supporting information for the briefing will be available on April 6 at 10 a m at:

http://www nasa gov/topics/earth/features/seaice_status09 html

Audio of the teleconference will be streamed live on NASA's Web site at:

http://www nasa gov/newsaudio

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