How to modify namelist.input?

[AartiS]

Hello everyone,

I am working on the uncoupled wrf-hydro model with GFS data. For running the real.exe, I need to modify namelist.input.
Can anyone suggest to me how can I modify the &physics part in namelist.input file?

Thank you

 

[kwerner]

Please contact the WRF-hydro support group for help with the WRF-hydro model. Thanks!