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in AEM3D by [email protected] (230 points)
Hi - I've seen similar questions posted previously but the answer isn't clear to me, so I'll risk asking again.

We want to apply spatially varying met data in our simulations. What we have been doing so far is to divide the lake into different regions and apply a different surface boundary condition to each region. This does result in some discontinuities between regions, which we'd like to reduce.

The AEM3D user manual (section 7.7.6) describes using create_surf_bc.exe to create horizontally varying forcing data. I think (from other forum posts) this program was originally created to convert SWAN output to ELCOM input files. Is any guidance or examples available how this can be used to spatially interpret met data to a AEM3D grid?

The manual also mentions something called "HN-Inform" which generates a text file of interpolated data from a number of stations or from a WRF model run, which is then interpolated by create_surf_bc.exe. What is HN-inform? Is that part of the full version of HydroHub rather than HydroHub lite?

While we could of course write our own code to spatially interpolate met data and, if necessary, create bc files for every grid point, I wanted to check if we would just be duplicating a capability that already exists.

Best regards

David

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