Changes between Version 178 and Version 179 of doc/app/initialization_parameters

Timestamp:

Sep 7, 2012 9:33:55 AM (12 years ago)

Author:

raasch

Comment:

--

doc/app/initialization_parameters

@@ -1531 +1531 @@
 {{{#!td
 Roughness length (in m).\\\\
-The roughness length can be varied for scalars (see [#z0h_factor z0h_factor]). \\\\
+The roughness length for scalars can be given a value different from the one for momentum (see [#z0h_factor z0h_factor]). \\\\
 This parameter is effective only in case that a Prandtl layer is switched on (see [#prandtl_layer prandtl_layer]).
 }}}
@@ -1775 +1775 @@
 }}}
 {{{#!td
-Factor for calculating a roughness length for scalars.\\\\
-A separated roughness length for scalars (potential temperature, humidity/scalar) can be set with this parameter. The roughness length for scalars z0h is calculated as: \\
+Factor for calculating the roughness length for scalars.\\\\
+This parameter can be used to define a value for the roughness length for scalars (potential temperature, humidity/scalar) which differs from the one for momentum. The roughness length for scalars z0h is calculated as: \\
       z0h = z0h_factor * [#roughness_length roughness_length]. \\
 This parameter is effective only in case that a Prandtl layer is switched on (see [#prandtl_layer prandtl_layer]).