Temporal Upscaling of MODIS Instantaneous FAPAR Improves Forest Gross Primary Productivity (GPP) Simulation
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION(2023)
摘要
•MODIS instantaneous FAPAR was temporal upscaled to daily value.•MOD17 LUE model was optimized by MCMC method.•Upscaled FAPAR reduced uncertainties of GPP estimation by 6.82–7.8%.•The accuracy of existing GPP products should be improved.
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关键词
Temporal upscale,FAPAR,GPP,Forest,Fluxnet
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