SEA ICE TOPOGRAPHIC RETRIEVAL IN THE WESTERN WEDDELL SEA FROM TANDEM-X

被引:0
|
作者
Huang, Lanqing [1 ]
Hajnsek, Irena [1 ,2 ]
机构
[1] Swiss Fed Inst Technol, Chair Earth Observat & Remote Sensing, Zurich, Switzerland
[2] German Aerosp Ctr DLR, Microwaves & Radar Inst, Oberpfaffenhofen, Germany
关键词
Sea ice elevation; polarimetry; single-pass interferometry; synthetic aperture radar (SAR); DERIVATION; ICESAT-2;
D O I
10.1109/IGARSS52108.2023.10282310
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Single-pass interferometric synthetic aperture radar (In-SAR) offers the potential to generate sea ice digital elevation models (DEMs) despite the inherent dynamics of sea ice. However, the accuracy of sea ice DEM generation from InSAR is hindered by the varying penetration bias across different types of ice. This paper presents a new scheme to generate sea ice DEMs (i.e., snow freeboard) across different ice types from TanDEM-X images. The proposed scheme is applied to generate a sea ice topographic map over a 630km x 19km area, revealing a spatial pattern of sea ice elevation. The highest elevations are observed near the Antarctica Peninsula (AP), with a rapid decrease in elevation within approximately 200km from the AP coastline, followed by a gradual increase towards the south.
引用
收藏
页码:1979 / 1982
页数:4
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