MRI-ESM1

The Meteorological Research Institute (MRI) of Japan developed the Earth System Model MRI-ESM1 to enable us to simulate both the climate system and global material transport, along with their interaction. Its core component, the atmosphere–ocean coupled global climate model MRI-CGCM3, represents a substantial advance from the previous model, MRI-CGCM2.3, which made important contributions to the fourth assessment report of the Intergovernmental Panel on Climate Change

Earth System ModelMRI-ESM1atmosphere

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Initial contribute: 2020-06-28

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ngmn11ts@mri-jma.go.jp
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The Meteorological Research Institute (MRI) of Japan developed the Earth System Model MRI-ESM1 to enable us to simulate both the climate system and global material transport, along with their interaction. Its core component, the atmosphere–ocean coupled global climate model MRI-CGCM3, represents a substantial advance from the previous model, MRI-CGCM2.3, which made important contributions to the fourth assessment report of the Intergovernmental Panel on Climate Change. The global atmospheric model GSMUV, used as the atmospheric component of MRI-CGCM3, incorporates various new physical parameterizations, including a cumulus convection scheme, a high-accuracy radiation scheme, a two-moment bulk cloud model that explicitly represents aerosol effects on clouds, and a new, sophisticated land-surface model, into the dynamics framework by a conservative semi-Lagrange method. MRI.COM3, also newly developed at MRI, is used for the global ocean-ice component of MRI-CGCM3. We adopted for MRI.COM3 a tripolar grid coordinate system, in which the North Pole is not a singular point, because MRI.COM3 supports general orthogonal curvilinear coordinates. The sea-ice model has also been updated; it now represents the sub-grid ice-thickness distribution by thickness categories, and incorporates ice rheology dynamics in addition to detailed thermodynamics. The MASINGAR mk-2 aerosol model takes into account five kinds of atmospheric aerosols, sulfate, black and organic carbon, mineral dust, and sea salt. The MRI-CCM2 atmospheric chemistry climate model (ozone model) is used to treat chemical reactions and the transport of atmospheric species associated with both tropospheric and stratospheric ozone. To represent the global carbon cycle, terrestrial ecosystem carbon cycle and ocean biogeochemical carbon cycle processes are incorporated into the land-surface model and the ocean model, respectively. The Scup coupler developed at MRI is used to integrate each component model, the atmospheric, ocean, aerosol, and ozone models, into MRI-ESM1. This flexible coupler can couple models with different resolutions and grid coordinates with variable coupling intervals. This advantage not only leads to efficient execution of the earth system model but also allows the efficient and independent development of the component models.

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The Meteorological Research Institute (2020). MRI-ESM1, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ec3f1ff0-466a-4a22-a210-1f4d7443d246
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Contributor(s)

Initial contribute : 2020-06-28

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Authorship

:  
ngmn11ts@mri-jma.go.jp
:  
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2020-06-28

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