[Wrf-users] WRF: surface roughness

[Jose Augusto Paixão Veiga]

Hi,

In my case I would like to plot the z0_mosaic (background roughness length),
but I couldn't find the option bellow in the file Registry.EM_COMMON

​z0_mosaic
              ij      misc        1         -      i3rh      "
​z0_mosaic
"                   "background roughness length"                "m"

​to change to an option to see it in wrf output like you suggested in the
last email.

I am using WRF version 3.8. What should I do?

Thanks in advance.






​





José Augusto P. Veiga
CREA n.: 24161

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Universidade do Estado do Amazonas
Departamento de Meteorologia
Escola Superior de Tecnologia (EST)
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Work phone:    (92) 3878 4317, Ramal 4317
Skype: veiga_j.a.p.
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On Tue, Sep 20, 2016 at 11:49 AM, Nikhil Garg <nikhilgarg.gju at gmail.com>
wrote:

> in order to get the roughness, you need to output a variable ZNT, usually
> this is not added to history file like wrfout, for that purpose,
> you will have to modify ZNT in the registry. check Registry.EM_COMMON,
> there is a line
>
> ZNT              ij      misc        1         -      i3rh      "ZNT"
>               "TIME-VARYING ROUGHNESS LENGTH"                "m"
>
> if your registry doesnt have 'h' in the 'i3rh', then just add 'h', and
> clean -a, compile and you will have the variable in your history file.
>
> On 20 September 2016 at 19:36, G. Hesselmans <hesselmans at hermess.nl>
> wrote:
>
>> Could anybody explain me how to visualize the surface roughness.
>>
>> I could not find surface roughness in either wrfinput_d01 or
>> wrfout_d01_xxxxx.
>>
>> Kind regards, Gerard
>>
>>
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