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This example will cause CAM to output onto a 0.5 7 deg grid (360/512), slightly finer then the native 1.0 degree, as recommended.
The options for the output grid type are:
interp_gridtype = 1 equally spaced, including poles (FV scalars output grid) . Use grids of size (N+1) x 2N
interp_gridtype = 2 Gauss grid (CAM Eulerian). Use grids of size N x 2N
interp_gridtype = 3 equally spaced, no poles (FV staggered velocity) Not Recommended
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