Continental-scale evaluation of remotely sensed soil moisture products

被引：82

作者：

Crow, Wade T. ^{[1
]}

Zhan, Xiwu

机构：

[1] USDA, Agr Res Serv Hydrol, Remote Sensing Lab, Beltsville, MD 20705 USA

[2] Natl Ocean & Atmospher Adm, Natl Environm Satellite Data & Informat Serv, Camp Springs, MD 20746 USA

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2007年 / 4卷 / 03期

关键词：

microwave radiometry; moisture; rain; remote sensing;

D O I：

10.1109/LGRS.2007.896533

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：

A new data assimilation-based approach for the continental-scale evaluation of remotely sensed surface soil moisture retrievals is applied to four separate soil moisture products over the contiguous U.S. The approach is based on quantifying the ability of a given soil moisture product to correct for known rainfall errors when sequentially assimilated into a simple water balance model. Analysis results provide new insight into the continental-scale performance of surface soil moisture retrieval algorithms based on satellite passive microwave, scatterometer, and thermal remote sensing observations.

引用

页码：451 / 455

页数：5

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