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. 2019 Aug 14;5(8):eaax1396. doi: 10.1126/sciadv.aax1396

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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Fig. 6 — (A) Time series of global GPP estimates derived from EC-LUE and MODIS-GPP models. (B) GPP sensitivity to climate variables, NDVI/fPAR, and atmospheric CO₂ concentration. (C) Contributions of climate variables, NDVI/fPAR, and atmospheric CO₂ concentration to GPP changes over the two periods. Three climate variables are included: vapor pressure deficit (VPD), air temperature (T_a), and photosynthetically active radiation (PAR).