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Discussion papers | Copyright
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Model description paper 08 Oct 2018

Model description paper | 08 Oct 2018

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Model Development (GMD).

GCAM v5.1: Representing the linkages between energy, water, land, climate, and economic systems

Katherine Calvin1, Pralit Patel1, Leon Clarke1, Ghassem Asrar1, Ben Bond-Lamberty1, Alan Di Vittorio2, Jae Edmonds1, Corinne Hartin1, Mohamad Hejazi1, Gokul Iyer1, Page Kyle1, Sonny Kim1, Robert Link1, Haewon McJeon1, Steven J. Smith1, Stephanie Waldhoff1, and Marshall Wise1 Katherine Calvin et al.
  • 1Pacific Northwest National Laboratory's Joint Global Change Research Institute, College Park, MD, USA
  • 2Lawrence Berkeley National Laboratory, Berkeley, CA, USA

Abstract. This paper describes GCAM v5.1, an open source model that represents the linkages between energy, water, land, climate, and economic systems. GCAM is a market equilibrium model, is global in scope, and operates from 1990 to 2100 in five-year time steps. It can be used to examine, for example, how changes in population, income, or technology cost might alter crop production, energy demand, or water withdrawals, or how changes in one region's demand for energy affect energy, water, and land in other regions. This paper describes the model, including its assumptions, inputs, and outputs. We then use eleven scenarios, varying socioeconomic and climate policy assumptions, to illustrate the results from the model. The resulting scenarios illustrate a wide range of potential future energy, water, and land uses. We compare the results from GCAM v5.1 to historical data and to future scenario simulations from earlier versions of GCAM and from other models. Finally, we provide information on how to obtain the model.

Katherine Calvin et al.
Interactive discussion
Status: open (until 03 Dec 2018)
Status: open (until 03 Dec 2018)
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Katherine Calvin et al.
Model code and software

GCAM version 5.1 K. Calvin, P. Patel, L. Clarke, G. Asrar, B. Bond-Lamberty, A. Di Vittorio, J. Edmonds, C. Hartin, M. Hejazi, G. Iyer, P. Kyle, S. Kim, R. Link, H. McJeon, S. J. Smith, S. Waldhoff, and M. Wise

Katherine Calvin et al.
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