GREENLAND ICE-SHEET SURFACE-PROPERTIES AND ICE DYNAMICS FROM ERS-1 SAR IMAGERY

被引：190
|
作者：
FAHNESTOCK, M
BINDSCHADLER, R
KWOK, R
JEZEK, K
机构：
[1] OHIO STATE UNIV,BYRD POLAR RES CTR,COLUMBUS,OH 43210
[2] CALTECH,PASADENA,CA 91109
来源：
SCIENCE | 1993年 / 262卷 / 5139期
关键词：
D O I：
10.1126/science.262.5139.1530
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
C-band synthetic aperture radar (SAR) imagery from the European Space Agency's ERS-1 satellite reveals the basic zonation of the surface of the Greenland Ice Sheet. The zones have backscatter signatures related to the structure of the snowpack, which varies with the balance of accumulation and melt at various elevations. The boundaries of zones can be accurately located with the use of this high-resolution imagery. The images also reveal a large flow feature in northeast Greenland that is similar to ice streams in Antarctica and may play a major role in the discharge of ice from the ice sheet.
引用
收藏
页码：1530 / 1534
页数：5
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