Modeling the Atmospheric General Circulation Using a Spherical Geodesic Grid : A New Class of Dynamical Cores

  title={Modeling the Atmospheric General Circulation Using a Spherical Geodesic Grid : A New Class of Dynamical Cores},
  author={T. D. Ringler and Ross Heikes and David A. Randall}
This paper documents the development and testing of a new type of atmospheric dynamical core. The model solves the vorticity and divergence equations in place of the momentum equation. The model is discretized in the horizontal using a geodesic grid that is nearly uniform over the entire globe. The geodesic grid is formed by recursively bisecting the triangular faces of a regular icosahedron and projecting those new vertices onto the surface of the sphere. All of the analytic horizontal… CONTINUE READING
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