Influence of winter sea-ice motion on summer ice cover in the Arctic

被引：78

作者：

Kimura, Noriaki ^{[1
]}

Nishimura, Akira ^{[2
]}

Tanaka, Yohei ^{[1
]}

Yamaguchi, Hajime ^{[1
]}

机构：

[1] Univ Tokyo, Grad Sch Frontier Sci, Kashiwa, Chiba 2778561, Japan

[2] Univ Tokyo, Sch Engn, Kashiwa, Chiba 2778561, Japan

来源：

POLAR RESEARCH | 2013年 / 32卷

关键词：

Sea ice; Arctic; satellite remote-sensing; interannual variability; AMSR-E data; WIND;

D O I：

10.3402/polar.v32i0.20193

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Summer sea-ice cover in the Arctic varies largely from year to year owing to several factors. This study examines one such factor, the relationship between interannual difference in winter ice motion and ice area in the following summer. A daily-ice velocity product on a 37.5-km resolution grid is prepared using the satellite passive microwave sensor Advanced Microwave Scanning Radiometer-Earth Observing System data for the nine years of 2003-2011. Derived daily-ice motion reveals the dynamic modification of the winter ice cover. The winter ice divergence/convergence is strongly related to the summer ice cover in some regions; the correlation coefficient between the winter ice convergence and summer ice area ranges between 0.5 and 0.9 in areas with high interannual variability. This relation implies that the winter ice redistribution controls the spring ice thickness and the summer ice cover.

引用

页数：8

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