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Retrieval of rapeseed leaf area index using the PROSAIL model with canopy coverage derived from UAV images as a correction parameter

Bo Sun,Chufeng Wang,Chenghai Yang,Baodong Xu,Guangsheng Zhou,Xiaoyong Li,Jing Xie,Shijie Xu,Bin Liu,Tianjin Xie,Jie Kuai,Jian Zhang

International Journal of Applied Earth Observation and Geoinformation（2021）

Cited 24|Views18
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Abstract
•Rapeseed LAI was retrieved accurately by PROSAIL and ESM based on UAV images.•PROSAIL was more robust than ESM for rapeseed LAI retrieval in different years and fields.•A canopy coverage parameter derived from UAV images improved LAI retrieval by the PROSAIL model.•The performance of the PROSAIL model was stable with images resolution less than 10 cm.
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Key words
Leaf area index,Rapeseed,PROSAIL model,Empirical statistical model,Canopy coverage
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