Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 8, issue 3
Articles | Volume 8, issue 3
https://doi.org/10.5194/esd-8-875-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/esd-8-875-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 8, issue 3
Research article
 | 
27 Sep 2017
Research article |  | 27 Sep 2017

Estimating global cropland production from 1961 to 2010

Pengfei Han, Ning Zeng, Fang Zhao, and Xiaohui Lin

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Short summary
Global cropland net primary production has tripled over the last 50 years. However, long-term comparisons across global croplands are scarce due to the lack of detailed management data. Here, we conducted a simulation study of global cropland production from 1961 to 2010 using the VEGAS model. We modified the key parameter associated with the Green Revolution. The updated results decreased the RMSE by ~ 45 %, suggesting it is important to calibrate key parameters on regional scales.
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