diff --git a/Docs/sphinx_doc/Meshing.rst b/Docs/sphinx_doc/Meshing.rst index a88b93bae..c0d9f6141 100644 --- a/Docs/sphinx_doc/Meshing.rst +++ b/Docs/sphinx_doc/Meshing.rst @@ -13,6 +13,10 @@ Simulations over complex topography use a terrain-following, height-based vertic When terrain-following coordinates are used, the surface topography at nodes (cell corners) is specified either analytically or through parsing a text file; all metric terms derive from this quantity. +See `WoA`_ for an example of a terrain-fitted grid; this one follows the Witch of Agnesi profile. + +.. _`WoA`: https://github.com/erf-model/validation/blob/main/JAMES_Paper/Flow_Over_Terrain/WoA_mesh.png + As in many atmospheric modeling codes, variable mesh spacing in the vertical direction is allowed with or without terrain. The heights of each level can be parsed from a text file as ``z levels'' (as in WRF), or calculated at run-time given an initial mesh spacing at the bottom surface and a specified growth rate. In the presence of non-flat terrain, the mesh is