gsd/develop: add capability to call radiation on physics timestep for first N time steps #3
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…physics timestep for first nhfrad timesteps
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@grantfirl should this change be made for SCM as well, or does radiation run on the physics time step anyway? |
Calls to radiation for the SCM are controlled identically to FV3, by the namelist values of fhswr and fhlwr converted to nsswr and nslwr in control_initialize, then used in GFS_time_vary_pre.scm to set the logicals. So, if it is deemed necessary for FV3, we'll probably want to have it in SCM too. |
tanyasmirnova
approved these changes
Dec 6, 2019
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This has been replaced by NOAA-GSL#1. |
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This PR adds the capability to allow for radiation being called on physics timestep for first nhfrad timesteps (coldstarts only, for spinup) to physics/GFS_time_vary_pre.fv3.*
The new functionality is activated by setting nhfrad in the gfs physics namelist section to a value larger than one (default is zero).
Associated PR: climbfuji/fv3atm#1
This PR has been tested to work on macOS/GNU and needs to be tested for b4b identical results when nhfrad is not set (default value is zero) on hera/intel.