NDLI: A new approach for the validation of coarse-resolution satellite soil moisture products

Content Provider	IEEE Xplore Digital Library
Author	Shuang Yan Lingmei Jiang Xiaokang Kou
Copyright Year	2015
Description	Author affiliation: Res. Center for Remote Sensing & GIS, Beijing Normal Univ., Beijing, China (Shuang Yan; Lingmei Jiang; Xiaokang Kou)
Abstract	Soil moisture plays a crucial role in the terrestrial water cycle. It can be estimated by manual measurements for a small watershed, while this is very time-consuming when applied in the large scale. The remote sensing technology provides a new approach to monitor the soil moisture in a large scale. However, it should be evaluated before being used. In the study, the L-band Microwave Emission of the Biosphere model (L-MEB) model was used to retrieve the soil moisture based on the airborne brightness temperature in the Heihe River Basin, then the retrieved soil moisture was aggregated to 25km based on the area weighting factor method. The aggregated soil moisture was used to validate the two AMSR2 data: the JAXA soil moisture products and the LPRM soil moisture products. The results shows the JAXA SM products has an underestimation compared with the pixel-averaged SM, and the LPRM SM products is higher than the pixel-averaged SM.
Starting Page	661
Ending Page	664
File Size	484318
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7325850
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Remote sensing Soil moisture Brightness temperature Satellites Microwave radiometry Land surface Microwave imaging validation microwave brightness temperature L-MEB model AMSR2
Content Type	Text
Resource Type	Article

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