[RegCNET] surface roughness

[Jonathan Winter]

Look in BLOCKDATA001.F.  I think what you're looking for is the variable
"rough", the aerodynamic roughness length.

jonathan

On Mon, 2007-07-09 at 16:49 +0100, Martin Todd wrote:
> Hello,
> 
> I would like to change the surface roughness parameter for desert soil 
> surfaces. According to the RegCM users guide the roughness length (Z0) is 
> defined for each of the 20 BATS landuse categories (Table 2). The value 
> for desert surfaces is 0.05m. For certain desert types this may be too 
> high by an oerder of magnitude. Is there a way to change the Z0 values 
> for a particular landuse category in  Table 2?
> 
> Many thanks
> 
> 
> ****************************
> Martin Todd
> Reader
> Department of Geography
> UCL (University College London)
> Pearson Building
> Gower Street
> London
> WC1E 6BT
> 
> email m.todd at geog.ucl.ac.uk
> tel: +44 (0)20 7679 0571
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