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The spatial scaling effect of continuous canopy Leaves Area Index retrieved by remote sensing 被引量:13

The spatial scaling effect of continuous canopy Leaves Area Index retrieved by remote sensing
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摘要 Leave Area Index (LAI) is one of the most basic parameters to describe the geometric structure of plant canopies. It is also important input data for climatic model and interaction model between Earth surface and atmosphere, and some other things. The spatial scaling of retrieved LAI has been widely studied in recent years. Based on the new canopy reflectance model, the mechanism of the scaling effect of con- tinuous canopy Leaf Area Index is studied, and the scaling transform formula among different scales is found. Both the numerical simulation and the field validation show that the scale transform formula is reliable. Leave Area Index (LAI) is one of the most basic parameters to describe the geometric structure of plant canopies. It is also important input data for climatic model and interaction model between Earth surface and atmosphere, and some other things. The spatial scaling of retrieved LAI has been widely studied in recent years. Based on the new canopy reflectance model, the mechanism of the scaling effect of continuous canopy Leaf Area Index is studied, and the scaling transform formula among different scales is found. Both the numerical simulation and the field validation show that the scale transform formula is reliable.
出处 《Science China Earth Sciences》 SCIE EI CAS 2009年第3期393-401,共9页 中国科学(地球科学英文版)
基金 Supported by National Basic Research Program of China (Grant No. 2007CB714402) National Natural Science Foundation of China (Grant Nos. 40401036, 40734025 and 40401036)
关键词 spatial scaling EFFECT remotely sensed LAI the TRUE LAI the reflectance model of CONTINUOUS CANOPY spatial scaling effect remotely sensed LAI the true LAI the reflectance model of continuous canopy
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