Advances in Soil Moisture Retrieval Using Passive Microwave Remote Sensing
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Abstract:
Soil moisture is a key variable in water and energy exchanges in landatmosphere interface. The passive microwave remote sensing is the most potent technology to retrieve soil moisture. A brief introduction is made to microwave theory, and a general review of soil moisture retrieval algorithms is given. Three typical cases are illustrated based on the different microwave sensors by comparing various algorithms, which correspond to the threeparameter AMSRbased retrieval developed by Njoku and Li, the twoparameter SMMRbased retrieval developed by Owe et al. and the twoparameter SSM/Ibased retrieval developed by Wen et al. The insufficiency and potentials in the researches on soil moisture are discussed.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.