Update configs (default topo smoothing) + add docs #3416
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| @@ -51,7 +51,7 @@ topo_smoothing: | |||
| value: false | |||
| topography_damping_factor: | |||
| help: "Factor by which smallest resolved length-scale is to be damped" | |||
| value: 512 | |||
| value: 5 | |||
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This seems like a pretty large change. What value should we use in the AMIP simulation?
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The default value in the AMIP configuration initially was set up to match the outcome from the working Gaussian configuration in the coarse AMIP config. Ideally I'd like to use no more than 10-100x attenuation at the small scales if it's shown to be robust across all our configs. (The first iteration of this was perhaps overly conservative). This outcome of this PR is tested against the 16 element atmos longrun build result for now (up to 60days, results are accessible on central scratch in the PR3416 dir). (Plots of the surface elevation for h_elem=16 are below as part of the doc assets. )
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Could you also try this in the nightly amip?
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Decrease smoothing factor in default configuration Update functions in topography_spectra example file Update docs + plots modified: examples/topography_spectra.jl
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I find it pretty hard to read the values from the plots with the colormap - is there a more quantitative colormap we can use? If it's hard then don't worry about it. |
Update default topo smoothing
Add docs demonstrating topo smoothing.