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Wrf chem compilation

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New member
Is it possible to compile wrf with chem and KPP ON (=1) in bashrc and there after to switch chem and KPP off(=0) if we don't want to use chem and run normal wrf, with out recompile?

You need to recompile the model if you want a version with and without chemistry. If additional changes aren't frequently made, you can just save the executables and they will not be affected by environment vars set in bashrc.