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A NEW PERSPECTIVE ON GLOBAL THERMAL ENVIRONMENT MONITORING

文献类型： 会议论文

第一作者： Xiao-Jing Han

作者： Xiao-Jing Han 1 ; Huajun Tang 1 ; Si-Bo Duan 1 ; Maofang Gao 1 ; Pei Leng 1 ; Cheng Huang 2 ; Zhao-Liang Li 1 ; Shangrong Wu 1 ;

作者机构： 1.Key Laboratory of Agricultural Remote Sensing, Ministry of Agriculture/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences

2.College of Resources and Environment, University of Chinese Academy of Sciences

关键词： Thermal environment;Brightness temperature;AMSR-E;ATC

会议名称： IEEE International Geoscience and Remote Sensing Symposium

主办单位：

页码： 1657-1660

摘要： The change of global thermal environment plays an important role in land surface processes. In this study, global thermal environment was analyzed using the vertically polarized brightness temperature at 36.5 GHz. The daily brightness temperature from 2003 to 2010 were decomposed using the annual temperature cycle (ATC) model, and the annual cycle parameters (ACPs) were obtained. The results show that the brightness temperature decreases with the increasing latitudes respectively for the northern hemisphere and the southern hemisphere. The land covered by vegetation is colder than the desert and barren. Some plateaus lead to lower brightness temperature than surrounding areas. In addition, the atmospheric and ocean circulation also affect global brightness temperature. The ACPs from brightness temperature can generally characterize the global thermal environment.

分类号： TP7-53

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