could not open wrf-lake and wrf-urban model at the same time properly

[bubblesvathy]

Hello WRF community,

I'm recently trying to run a simulation using Local Climate Zones (LCZ) using the CGLC_MODIS_LCZ_global (https://www2.mmm.ucar.edu/wrf/src/wps_files/cglc_modis_lcz_global.tar.gz) in WRF v4.4.3 and WPS v4.5.

I used WPS v4.5, because only this version can read the CGLC, and WRF v4.4.3 can read the input files from WPS v4.5.

I open the WRF-LAKE and WRF-URBAN moedel at the same time, but some errors came out.

When using "geog_data_res = 'cglc_modis_lcz+default+bnu_soil_30s+30s', ", the wrf.exe can run without problems. But when I checked the ouput files, the lake temperature seemed not that correct. Because lake temperature was higher than surrounding land surface temperature.

After reading these two posts ,Use of sf_lake_physics , and, modis_lakes and sf_lake_physics, I changed my namelist.wps, like this "geog_data_res = 'cglc_modis_lcz+modis_landuse_20class_15s+bnu_soil_30s+30s', " .

But when running wrf.exe, the programme stop at the fist timestep, and the rsl.error file contained message including,
" the total number of lake grid is : 0 ", this message showed that wrf-lake was not opened, and,
"USING DEFAULT URBAN MORPHOLOGY
WARNING, FRC_URB2D = 0 BUT IVGTYP IS URBAN
WARNING, THE URBAN FRACTION WILL BE READ FROM URBPARM.TBL". this message showed that wrf-urban was not run properly.

I wonder if there is any way to solve this problem?

 

[Ming Chen]

The default static data includes 'lake' as a landuse type. However, modis_landuse_20class_15s doesn't include 'lake' and all lake points are treated as 'ocean' points. This is why you cannot run lake module with modis_landuse_20class_15s as input.

Your first option is correct from the perspective of model setup.