Digital elevation models for the Lambert Glacier-Amery Ice Shelf system, East Antarctica, from ERS-1 satellite radar altimetry

被引:47
作者
Fricker, HA
Hyland, G
Coleman, R
Young, NW
机构
[1] Univ Tasmania, Antarctic CRC, Hobart, Tas 7001, Australia
[2] Univ Tasmania, Inst Antarctic & So Ocean Studies, Hobart, Tas 7001, Australia
[3] Univ Tasmania, Australian Antarctic Div, Hobart, Tas 7001, Australia
[4] Univ Tasmania, Sch Geog & Environm Studies, Hobart, Tas 7001, Australia
关键词
D O I
10.3189/172756500781832639
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
The Lambert Glacier-Amery Ice Shelf system is a major component of the East Antarctic ice sheet. This paper presents two digital elevation models (DEMs) that have been generated for the Lambert-Amery system from validated European Remote-sensing Satellite (ERS-1) radar altimeter waveform data. The first DEM covers the Amery Ice Shelf only, and was produced using kriging on a 1 km grid. The second is a coarser (5 km) DEM of the entire Lambert-Amery system, generated via simple averaging procedures. The DEMs provide unprecedented surface elevation information for the Lambert-Amery system and allow new insight into the glaciology of the region.
引用
收藏
页码:553 / 560
页数:8
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