Study on NDVI-T_s space by combining LAI and evapotranspiration

查看全文 作　　者：HAN Lijuan1,2,3, WANG Pengxin4, YANG Hua1,2,3, LIU Shaomin1,2,3 & WANG Jindi1,2,3 1. Research Center for Remote Sensing and GIS, School of Geography, Beijing Normal University, Beijing 100875, China;2. State Key Laboratory of Remote Sensing Science, Beijing 100875, China;3. Beijing Key Laboratory for Remote Sensing of Environment and Digital Cities, Beijing 100875, China;4. Department of Information Management, College of Information and Electronic Engineering, China Agricultural University, Beijing 100083, China

出　　处：《Science China Earth Sciences》索引2006年第49卷第7期,共8页

基　　金：This research was supported by Funds for the Major State Basic Research Project(Grant No.G2000077908);the National Natural Science Foundation of China(Grant Nos.40371083 and 40201038). 摘　　要：This paper focuses on interpreting the different spatial relationships between NDVI and Ts, a triangular or a trapezoid, and on analyzing transformation conditions, the physical and ecological meanings of the vegetation index-surface temperature space as well. Further, we use the Tempera-ture-Vegetation Dryness Index (TVDI) to explain the existent meaning of a triangular space after NDVI reaches its saturated state by employing the relationships between NDVI, LAI and evapotranspiration. The specific relations between NDVI and Ts are useful for describing, validating and updating land surface models. 关键词：NDVI, LAND surface temperature, evapotranspiration, LEAVE area index.

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Study on NDVI-T_s space by combining LAI and evapotranspiration

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