Arctic sea-ice melt in 2008 and the role of solar heating

被引：63

作者：

Perovich, Donald K. ^{[1
]}

Richter-Menge, Jacqueline A. ^{[1
]}

Jones, Kathleen F. ^{[1
]}

Light, Bonnie ^{[2
]}

Elder, Bruce C. ^{[1
]}

Polashenski, Christopher ^{[3
]}

Laroche, Daniel ^{[1
]}

Markus, Thorsten ^{[4
]}

Lindsay, Ronald ^{[2
]}

机构：

[1] USA, Engineer Res & Dev Ctr, Cold Reg Res & Engn Lab, Hanover, NH 03755 USA

[2] Univ Washington, Appl Phys Lab, Polar Sci Ctr, Seattle, WA 98105 USA

[3] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA

[4] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

来源：

ANNALS OF GLACIOLOGY | 2011年 / 52卷 / 57期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

ART; ALBEDO; OCEAN; SHEBA;

D O I：

10.3189/172756411795931714

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

There has been a marked decline in the summer extent of Arctic sea ice over the past few decades. Data from autonomous ice mass-balance buoys can enhance our understanding of this decline. These buoys monitor changes in snow deposition and ablation, ice growth, and ice surface and bottom melt. Result; from the summer of 2008 showed considerable large-scale spatial variability in the amount of surface and bottom melt. Small amounts of melting were observed north of Greenland, while melting in the southern Beaufort Sea was quite large. Comparison of net solar heat input to the ice and heat required for surface ablation showed only modest correlation. However, there was a strong correlation between solar heat input to the ocean and bottom melting. As the ice concentration in the Beaufort Sea region decreased, there was an increase in solar heat to the ocean and an increase in bottom melting.

引用

页码：355 / 359

页数：5

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