I’ve had fun messing with the popular (and open-source!) landscape evolution model, Landlab. Landlab itself comes packaged with a ton of different modules and components allowing one to conduct a variety of numerical experiments.
I wanted to see if other mesh generators could be coupled to the Landlab interface. This would enable testing a variety of mesh schemes that go beyond the scope of the Landlab project itself. My driving question was: can we see the effects of local grid resolution in Landlab?
A short set of images showcasing some of these results using Landlab’s flow accumulator are shown below:
|A mesh with variable resolution (left), and the source smooth topography (right)|
|The variable resolution mesh without cell outlines.|
|Flow accumulation on the variable resolution mesh. Resolution differences make the top and bottom halves of the image look quite different!|