Associations between accelerated glacier mass wastage and increased summer temperature in coastal regions
Arctic, Antarctic, and Alpine Research
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Abstract
Low-elevation glaciers in coastal regions of Alaska, the Canadian Arctic, individual ice caps around the Greenland ice sheet, and the Patagonia Ice Fields have an aggregate glacier area of about 332 ?? 103 km 2 and account for approximately 42% of all the glacier area outside the Greenland and Antarctic ice sheets. They have shown volume loss, especially since the end of the 1980s, increasing from about 45% in the 1960s to nearly 67% in 2003 of the total wastage from all glaciers on Earth outside those two largest ice sheets. Thus, a disproportionally large contribution of coastal glacier ablation to sea level rise is evident. We examine cumulative standardized departures (1961-2000 reference period) of glacier mass balances and air temperature data in these four coastal regions. Analyses indicate a strong association between increases in glacier volume losses and summer air temperature at regional and global scales. Increases in glacier volume losses in the coastal regions also coincide with an accelerated rate of ice discharge from outlet glaciers draining the Greenland and West Antarctic ice sheets. These processes imply further increases in sea level rise. ?? 2006 Regents of the University of Colorado.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Associations between accelerated glacier mass wastage and increased summer temperature in coastal regions |
| Series title | Arctic, Antarctic, and Alpine Research |
| DOI | 10.1657/1523-0430(2006)38[190:ABAGMW]2.0.CO;2 |
| Volume | 38 |
| Issue | 2 |
| Year Published | 2006 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Arctic, Antarctic, and Alpine Research |
| First page | 190 |
| Last page | 197 |
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