[MITgcm-support] how to use windstress to calculate wind speed

[Martin Losch]

Hi Qihua,

the runtime flag you need is
 useAtmWind=.FALSE.,
in data.exf, then the model computes wind vector and wind speed from the stress (check out exf_wind.F)

See EXF_OPTIONS.h for more CPP-options (but be aware that, except for adjoint snapshots the EXF_ATM_WIND option is mostly obsolete and replaced by the runtime flag useAtmWind)

M.



> On 15. Dec 2017, at 19:22, Qihua Peng <q7peng at ucsd.edu> wrote:
> 
> Hi all,
> 
> I have wind stress data, now I need to use bulk formulation to calculate heat flux in the model , which requires total wind speed. But I don't have total wind speed data, I know MITgcm can calculate wind stress and total wind speed from zonal and meridioanl wind speed data,  I was wondering if MITgcm can calculate total wind speed through zonal and meridioanl  wind stress data. 
> Thank you so much.
> Bests,
> Qihua
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