One way nesting

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The need for grid nesting is greatly reduced with unstructured grid models.

Occasionally, 1 way nesting may be useful; e.g., you don't usually have velocity b.c. at an open boundary. You can effectively use SELFE's 1-way nesting capability to get around this issue.

You can first run the efficient SELFE 2D in a larger or same grid, and then use the 1-way nesting scripts in the source code bundle (v3.2 and up)to extract results from this run and prepare uv3D.th (if you first run a coarse-grid SELFE 3D baroclinic simulation, you can also prepare salt3D.th and temp3D.th). Then simple use *3D.th to drive the small-domain 3D runs.

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