Articles | Volume 12, issue 4
Model description paper
03 Apr 2019
Model description paper |  | 03 Apr 2019

A crop yield change emulator for use in GCAM and similar models: Persephone v1.0

Abigail Snyder, Katherine V. Calvin, Meridel Phillips, and Alex C. Ruane

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Cited articles

Blanc, É.: Statistical emulators of maize, rice, soybean and wheat yields from global gridded crop models, Agr. Forest Meteorol., 236, 145–161, 2017.
Bond-Lamberty, B., Calvin, K., Jones, A. D., Mao, J., Patel, P., Shi, X. Y., Thomson, A., Thornton, P., and Zhou, Y.: On linking an Earth system model to the equilibrium carbon representation of an economically optimizing land use model, Geosci. Model Dev., 7, 2545–2555,, 2014.
Short summary
Future changes in Earth system state will impact agricultural yields and therefore the global economy. Global gridded crop models estimate the influence of these Earth system changes on future crop yields, but are often too computationally intensive to dynamically couple into global multi-sector economic models, such as GCAM and other similar-in-scale models. This work describes a new crop yield change emulator, Persephone, that can capture yield changes in a computationally efficient way.