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Retrieving land surface component temperatures using ATSR-2 data
Fenqin, W ; Fan, WJ ; Xu, XR ; Qin, QM
2003
英文摘要The retrieval of component, temperatures from mixed pixel over vegetable-soil system is more valuable than the retrieving of average temperature. However, there are two essential mechanisms such as component thermal radiation and atmosphere correction must be newly considered. A good mathematic scheme should also be employed, which can mike use of the ATSR-2 information in order to separate component temperatures. This paper is an attempt for the above topics. We bring forward more appropriate, atmosphere parameters and retrieve them by resolving a system of nonlinear equations, which also includes vegetable and soil temperature as unknown variables. To resolve it, Broyden's method is adopted. We use the ATSR-2 imagery on a pilot field in Shunyi county on Apr. 16(th), 2001 to validate our method, and errors of 2degreesC and 1degreesC are achieved for soil temperature and vegetable temperature respectively.; Geosciences, Multidisciplinary; Instruments & Instrumentation; Remote Sensing; Imaging Science & Photographic Technology; CPCI-S(ISTP); 0
语种英语
内容类型其他
源URL[http://ir.pku.edu.cn/handle/20.500.11897/312170]  
专题地球与空间科学学院
推荐引用方式
GB/T 7714
Fenqin, W,Fan, WJ,Xu, XR,et al. Retrieving land surface component temperatures using ATSR-2 data. 2003-01-01.
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