Assessment of the AMSR-E sea ice concentration product at the ice edge using RADARSAT-1 and MODIS imagery

被引：40
|
作者：
Heinrichs, John F. [1 ]
Cavalieri, Donald J.
Markus, Thorsten
机构：
[1] Ft Hays State Univ, Dept Geosci, Hays, KS 67601 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[3] NASA, Goddard Space Flight Ctr, Lab Hydrospher Proc, Greenbelt, MD 20771 USA
来源：
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2006年 / 44卷 / 11期
基金：
美国国家航空航天局;
关键词：
passive microwave remote sensing; sea ice edge; synthetic aperture radar (SAR); validation;
D O I：
10.1109/TGRS.2006.880622
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Imagery from the C-band synthetic aperture radar (SAR) aboard RADARSAT-1 and the Moderate Resolution Imaging Spectroradiometer (MODIS) was used to evaluate the performance of the Advanced Microwave Scanning Radiometer-EOS (AMSR-E) ice concentration product near the sea ice edge in the Bering Sea for four days during March 2003, which is concurrent with the AMSR-Ice03 field/aircraft campaign. The AMSR-E products were observed to perform very well in identifying open-water and pack-ice areas, although the AMSR-E products occasionally underestimate ice concentration in areas with thin ice. The position of the ice edge determined from AMSR-E data using a 15% concentration threshold was found to be, on average, within one AMSR-E grid square (12.5 km) of the ice edge determined from the SAR data, with the AMSR-E edge tending to be outside the SAR-derived edge.
引用
收藏
页码：3070 / 3080
页数：11
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