At 32 degrees Fahrenheit, or 0 Celsius, ice changes to water. This simple, unique fact dominates the climate in Earths polar regions. Using satellites to detect changes over time, NASA researchers and NASA-funded university scientists have found that Earths ice cover is changing rapidly near its poles. Recent studies point to new evidence of relationships between climate warming, ice changes and sea level rise.
Two researchers from NASA Goddard Space Flight Center (GSFC), Greenbelt, Md., and a glaciologist from the University of Colorados National Snow and Ice Data Center, Boulder, Colo., will discuss new findings related to Earths ice cover at a press conference on Dec. 14 at the 2004 meeting of the American Geophysical Union in San Francisco, Calif.
Waleed Abdalati, a NASA GSFC researcher, has worked with colleagues on a slew of recent papers on glaciers and ice sheets in the Northern Hemisphere. Bill Krabill of NASA Wallops Space Flight Center, Wallops Island, Va., Abdalati and others calculated that Greenlands contributions to sea level rise nearly doubled in recent years, from 0.13 millimeters (mm) (.005 inches) per year in the mid 1990s, to 0.25 mm (.01 inches) per year from 1997 to 2003. Krabills study measured steady thinning in the regions lower elevations near the coasts.
Krishna Ramanujan | EurekAlert!
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