Sasmita Chaurasiaa*, Do Thanh Tungb, P. K. Thapliyala & P. C. Joshia a Atmospheric Sciences Division, Meteorology and Oceanography Group , RESA, Space Applications Centre, Indian Space Research Organization , Ahmedabad , 380015 , India b Viet Nam Institute of Meteorology, Hydrology and Environment , 5/62 Nguyen Chi Thanh Street, Dong Da District, Ha Noi , Viet Nam * E-mail: sasmita@sac.isro.gov.in Soil moisture is a very important boundary parameter in numerical weather prediction at different spatial and temporal scales, controlling the exchange of water and energy between the atmosphere and land surface. Satellite-based microwave radiometric observations are considered to be the best for soil moisture remote sensing because of their high sensitivity, as well as their all-weather and day–night observation capabilities with high repeativity. In this study, an attempt has been made to assess the Advanced Microwave Scanning Radiometer--Earth Observing System (AMSR-EOS) soil moisture product over India. The AMSR-E soil moisture product has been assessed using in situ soil moisture observations made by the India Meteorological Department (IMD) during the monsoon period (May–August) for the years 2002–2006 over 18 meteorological stations. Apart from assessing AMSR-E soil moisture retrieval accuracy, this study also investigates the effect of vegetation, topography and coastal water contamination, and determines the regions where the AMSR-E soil moisture product could be useful for different applications.
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Chaurasia et al. (2011) studied this question.
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