Geophysical Research Letters

Volcanic ash can threaten air traffic

The presence of volcanic ash in the upper atmosphere presents multiple threats to aviation. It not only reduces visibility and abrades the exposed areas of the aircraft, the fine particles can also endanger ...

Jun 04, 2014 not rated yet 0

Clock Is ticking in West Antarctic

Reports that a portion of the West Antarctic Ice Sheet has begun to irretrievably collapse, threatening a 4-foot rise in sea levels over the next couple of centuries, surged through the news media last week. ...

May 26, 2014 4.1 / 5 (14) 5

NASA uses GPS to find Sierra water weight

(Phys.org) —For the first time, NASA scientists have used GPS to find the total weight of winter snowpack and soil moisture in California's Sierra Nevada. The new results complement other satellite measurements ...

May 09, 2014 4 / 5 (1) 0