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The modification of the crop chlorophyll content indices based on a new LAI determination index
Cui, Rongbo ; Qin, Qiming ; Yang, Nan
2009
英文摘要LAI is a major factor which may influence the chlorophyll content indices. Based on a new LAI index-sLAIDI, the paper presents a new modification method of chlorophyll content indices which is to divide the chlorophyll content indices by sLAIDIk to reduce the influence of LAI. Based on the data stimulated by PROSPECT-SAIL modal and measured data, six chlorophyll content indices are chosen to verify the method. For the stimulated dataset, the normalized standard deviations of chlorophyll content indices are used to evaluate effect of modification and to determine the parameter k. For measured datasets, the correlation coefficients are used to evaluate result of modification. The result shows that the new modification method can improve accuracy of estimation of chlorophyll content indices, and can achieve the best result through adjusting parameter k. Copyright ? (2009) by the Asian Association on Remote Sensing.; EI; 0
语种英语
内容类型其他
源URL[http://ir.pku.edu.cn/handle/20.500.11897/312359]  
专题地球与空间科学学院
推荐引用方式
GB/T 7714
Cui, Rongbo,Qin, Qiming,Yang, Nan. The modification of the crop chlorophyll content indices based on a new LAI determination index. 2009-01-01.
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