[RegCNET] Bugs fixed in RegCM4.2 with CLM option
Guangshan Chen
gchen9 at gmail.com
Wed Apr 18 16:50:34 CEST 2012
Dear all,
The following are the bugs fixed in RegCM4.2 with CLM opiton when I tested it.
Bug 1: the types between lm and lmask are mismatched in mod_lm_interface.F90, line 112
Fix: Below line 106 add the follow line:
integer , pointer , dimension(:,:) :: lm_tmp
lm_tmp => lm
Change line 122 to
call assignpnt(lm_tmp,lmask)
Bug 2: SST was the same for every month when using GISST in mod_sst_1deg.F90
Fix: move line 153 “call split_idate(idate,year,month,day,hour)” into the do-loop just below it. (Fixed by Bennington Valerie in CCR UW-Madison)
Bug 3: There is no assigned value for the array “satbrt_clm” in surfrdMod.F90.patch
Fix:
Step 1: Below line 129, define a new variable lndcatf in mod_bats_common.F90
real(dp) , pointer , dimension(:,:) :: lndcatf ! mddom_io%lndcat chengs++
Step 2: Below line 109, assign the value to lndcatf in mod_lm_interface.F90
call assignpnt(dom1%lndcat,lndcatf) ! chengs++
Step 3: Change line 118 in mod_mtrxclm.F90 to the following:
use clm_varsur, only : landmask , landfrac, satbrt_clm ! chengs++ satbrt_clm
allocate the array satbrt_clm after line 200:
if ( .not.allocated(satbrt_clm) ) allocate(satbrt_clm(iy,jx)) ! chengs++
Assign the values for satbrt_clm from lndcaft below line 207:
satbrt_clm(i,j) = lndcatf(i,j)
But 4: Monthly vegetation data XXX_RCMlai.nc only has one time slice in it. It should have 12 time slices.
Fix: According to the file of clm2rcm.F90 in RegCM-4.1.1 to change the value of "xhr" in the do-loop at line 458 in clm2rcm.F90 in RegCM-4.2
But 5: Calendar problem in CLM
Note: only Gregorian and noleap calendars can be used in CLM now.
If you define Gregorian calendar in your regcm.in:
Step1: delete "#define NO_LEAP_CALENDAR" in ESMF.inc
Step 2: change “ESMF_CAL_GREGORIAN” in line 392 and line 410 to “GREGORIAN” in clm_time_manager.F90
Guangshan Chen
Center for Climatic Research
University of Wisconsin-Madison
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