Abstract
Under global warming condition, how NPP change in China's terrestrial ecosystems was affected by climate change. In this study, we used a light-use efficiency model and linear regression model to describe and analyze the spatial and temporal patterns of terrestrial net primary productivity (NPP) in China during 2002-2010 and the drought effects as indicated by Palmer Drought Index (PDSI). First, we used the reconstructed 16-day 0.05°MODIS NDVI product (MOD13C1), 0.05°gridded GLDAS (Global Land Data Assimilation System) meteorological data to estimate the NPP in China. Then Based on regression analysis method, we analyzed the influence of drought on NPP change in China during 2002-2010. Our results suggest that NPP shows a significant change during the past decade and PDSI is likely a good indication for the change in china.
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