MESM (MIT Earth System Model)

The MIT Earth System Model (MESM) comprises coupled sub-models of physical, dynamical and chemical processes in the atmosphere, land and freshwater systems, ocean and cryosphere.

IGSMEarth Systemlandoceanatmosphere
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contributed at 2019-07-15

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Affiliation:  
Massachusetts Institute of Technology
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Model Description

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Quoted from: https://globalchange.mit.edu/research/research-tools/earth-system-model

The MIT Earth System Model (MESM) comprises coupled sub-models of physical, dynamical and chemical processes in the atmosphere, land and freshwater systems, ocean and cryosphere.

It is used to calculate global and regional environmental responses to human activity and natural processes. The MESM draws on scientific knowledge combined with land, air, water and space-based measurements, and accounts for uncertainties about how the Earth system functions.

The model consists of three main components—land, ocean and atmosphere—and represents the processes that shape each component’s evolution and the interactions among these components, essentially serving as an Earth simulator. This allows researchers to calculate the likely environmental impacts of human activities simulated in the MIT Economic Projection and Policy Analysis (EPPA) model, and feed those impacts back into the EPPA model in order to assess their economic and other implications.

The MESM is highly flexible, modular and computationally efficient, so we can run large ensembles of multi-century runs (varying uncertain climate model properties as identified by our research). MESM includes different levels of model detail within its components as appropriate for specific studies. A paper describing and evaluating the MESM has been published in the open-access Journal of Advances in Modeling Earth Systems.

The source code of the MESM is publicly available for non-commercial research and educational purposes via github (i.e. github.com:mit-jp/igsm.git). Under this open source protocol, we have also established a software license through the MIT Technology Licensing Office. As the MESM has embedded models developed at three other institutions, appropriate copyright clearances for the third-party code are required.

If you wish to access the MESM software, please download and review the software license before submitting your request to mesm-request@mit.edu.

To learn how your organization can benefit from funding our research, please visit the Joint Program Sponsorship page. 

Key Papers on MESM

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How to Cite

Joint Program on the Science and Policy of Global Change (2019). MESM (MIT Earth System Model), Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/400ee41d-54b1-430e-80ac-ae48fe686ba8
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Initial contribute: 2019-07-15

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Affiliation:  
Massachusetts Institute of Technology
Homepage:  
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