Estimates from satellite monitoring suggest the melt rate from the Himalayas and other high-altitude Asian mountains in recent years was much less than what scientists on the ground had estimated, but those monitoring the satellite data warn not to jump to the skeptical conclusion. The region's ice melt from 2003-2010 was estimated at 4 billion tons a year, far less than earlier estimates of around 50 billion tons, according to the study published Wednesday in the peer-reviewed journal Nature.
Estimates from satellite monitoring suggest the melt rate from the Himalayas and other high-altitude Asian mountains in recent years was much less than what scientists on the ground had estimated, but those monitoring the satellite data warn not to jump to the skeptical conclusion.
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The region's ice melt from 2003-2010 was estimated at 4 billion tons a year, far less than earlier estimates of around 50 billion tons, according to the study published Wednesday in the peer-reviewed journal Nature.
But study co-author John Wahr, a physics professor at the University of Colorado Boulder, emphasized that it's important to note that the region is a small contributor to overall ice melt and that the satellite estimates for the largest contributors, Antarctica and Greenland, are in line with ground-based estimates: about 385 billion tons a year.
The authors also noted that the Asian mountain region has seen a lot of variability in ice melt and that the time period might be too short to be of much use.
Himalayan Mountains via Shutterstock
Article continues: http://worldnews.msnbc.msn.com/_news/2012/02/09/10365382-himalayan-ice-melt-estimates-get-a-major-downsizing
