Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 11, issue 11
Articles | Volume 11, issue 11
https://doi.org/10.5194/gmd-11-4637-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-11-4637-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 11
Development and technical paper
 | 
22 Nov 2018
Development and technical paper |  | 22 Nov 2018

Symmetric equations on the surface of a sphere as used by model GISS:IB

Gary L. Russell, David H. Rind, and Jeffrey Jonas

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Short summary
This paper presents the Fortran 90 source code for one-layer model GISS:IB on an icosahedral grid. The model solves the shallow water equations on the sphere using three symmetric horizontal components of angular momentum instead of velocity. One-layer shallow water models are a basic building block used in complex global weather and climate models.
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