[Wrf-users] Bulk urban parametrization scheme option

[Francisco SALAMANCA PALOU]

Dear Ashish,
You have to specify the urban scheme for each domain that you are
considering.
For example,
sf_urban_physics=0, 0, 0, 1
means that only in your inner domain the Single-Layer UCM (option = 1) is
used. The model will use the bulk scheme (option = 0) in the rest of
domains.
Best
Francisco




On Wed, Dec 4, 2013 at 10:35 PM, Ashish Sharma <Ashish.Sharma.1 at asu.edu>wrote:

> Dear all,
>
> I see a lot of articles using bulk urban parametrization and single-layer
> urban canopy model.I am not able to understand the difference based on the
> options available in name list.input
>
> So, my questions is that, does *sf_urban_physics=0 mean bulk urban
> parametrization, else which option is bulk urban parametrization???*
>
>
>  sf_urban_physics(max_dom)           = 0, ; activate urban canopy model
> (in Noah LSM only)
>                                      = 0: no
>                                      = 1: Single-layer, UCM
>                                      = 2: Multi-layer, Building
> Environment Parameterization (BEP) scheme
>                                           (works only with MYJ and BouLac
> PBL)
>                                      = 3: Multi-layer, Building
> Environment Model (BEM) scheme
>                                           (works only with MYJ and BouLac
> PBL)
>
> Thanks,
> Ashish
>
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