Thinning of the Northwest Greenland Ice Sheet Over the Past Four Decades
نویسندگان
چکیده
منابع مشابه
Past temperatures directly from the greenland ice sheet
A Monte Carlo inverse method has been used on the temperature profiles measured down through the Greenland Ice Core Project (GRIP) borehole, at the summit of the Greenland Ice Sheet, and the Dye 3 borehole 865 kilometers farther south. The result is a 50, 000-year-long temperature history at GRIP and a 7000-year history at Dye 3. The Last Glacial Maximum, the Climatic Optimum, the Medieval Warm...
متن کاملGreenland Ice Sheet: High-Elevation Balance and Peripheral Thinning.
Aircraft laser-altimeter surveys over northern Greenland in 1994 and 1999 have been coupled with previously reported data from southern Greenland to analyze the recent mass-balance of the Greenland Ice Sheet. Above 2000 meters elevation, the ice sheet is in balance on average but has some regions of local thickening or thinning. Thinning predominates at lower elevations, with rates exceeding 1 ...
متن کاملRapid last-deglacial thinning and retreat of the marine-terminating southwestern Greenland ice sheet
a Department of Geoscience, University of Wisconsin, Madison, WI 53706, USA b College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA c Department of Physics and Astronomy/PRIME Lab, Purdue University, West Lafayette, IN 47907, USA d Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA e Departmen...
متن کاملGlobal Warming and the Greenland Ice Sheet
The Greenland coastal temperatures have followed the early 20th century global warming trend. Since 1940, however, the Greenland coastal stations data have undergone predominantly a cooling trend. At the summit of the Greenland ice sheet the summer average temperature has decreased at the rate of 2.2 ◦C per decade since the beginning of the measurements in 1987. This suggests that the Greenland...
متن کاملDynamic inland propagation of thinning due to ice loss at the margins of the Greenland ice sheet
Mass-balance analysis of the Greenland ice sheet based on surface elevation changes observed by the European Remote-sensing Satellite (ERS) (1992–2002) and Ice, Cloud and land Elevation Satellite (ICESat) (2003–07) indicates that the strongly increased mass loss at lower elevations (<2000m) of the ice sheet, as observed during 2003–07, appears to induce interior ice thinning at higher elevation...
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ژورنال
عنوان ژورنال: Directions in Science
سال: 2002
ISSN: 1538-0033
DOI: 10.1100/tsw.2002.225