Assessment of the AMSR-E soil moisture product over India

被引：16

作者：

Chaurasia, Sasmita ^{[1
]}

Do Thanh Tung ^{[2
]}

Thapliyal, P. K. ^{[1
]}

Joshi, P. C. ^{[1
]}

机构：

[1] Indian Space Res Org, Div Atmospher Sci, Meteorol & Oceanog Grp, RESA,Space Applicat Ctr, Ahmadabad 380015, Gujarat, India

[2] Viet Nam Inst Meteorol Hydrol & Environm, Hanoi, Vietnam

来源：

INTERNATIONAL JOURNAL OF REMOTE SENSING | 2011年 / 32卷 / 23期

关键词：

IN-SITU DATA; MODEL; RETRIEVAL; SURFACE;

D O I：

10.1080/01431161.2010.531782

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

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.

引用

页码：7955 / 7970

页数：16

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