A soil moisture retrieval method for AMSR-E

被引：0
|
作者：
Zhang, ZJ [1 ]
Shi, JC [1 ]
Zhu, Y [1 ]
机构：
[1] Beijing Normal Univ, Res Ctr Remote Sensing, Beijing 100875, Peoples R China
来源：
IGARSS 2004: IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM PROCEEDINGS, VOLS 1-7: SCIENCE FOR SOCIETY: EXPLORING AND MANAGING A CHANGING PLANET | 2004年
关键词：
IEM; multiple scattering; AMSR-E;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
For vegetated surface. the commonly used soil moisture retrieval algorithm is a zero-order model which might not be the best one for AMSR-E. since multiple scattering effects could not he ignored at higher frequencies. But due to the simplicity of the zero-order model. it still. has the advantage in SM retrieval. except emission relationship between different frequencies of AMSR-E of both hare surface and vegetation exist. In this paper. a new method to retrieve SM for AMSR-E more accurately is proposed based on emission simulation of bare surface at C, X- and Ku-band Die unknown variables elimination in retrieval is by finding the relationships of single scattering albedo (and optical opacity) of vegetation scatter between same frequency ranges.
引用
收藏
页码：2803 / 2806
页数：4
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