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Add roughness length over land to the perturbed variables #2

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Jan 19, 2021
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Add roughness length over land to the perturbed variables #2

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ffc88da
Added roughness length over land to the perturbed variables.
tanyasmirnova Jan 12, 2021
a4ac133
Removed roughnesses for ice (zoi) and water (zow) from the list of pe…
tanyasmirnova Jan 14, 2021
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2 changes: 1 addition & 1 deletion compns_stochy.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -294,7 +294,7 @@ subroutine compns_stochy (me,sz_nml,input_nml_file,fn_nml,nlunit,deltim,iret)
'land perturbations will be applied to selected paramaters, using newer scheme designed for DA ens spread'
do k =1,n_var_lndp
select case (lndp_var_list(k))
case('vgf','smc','stc','alb', 'sal','emi')
case('vgf','smc','stc','alb', 'sal','emi','zol')
if (me==0) print*, 'land perturbation will be applied to ', lndp_var_list(k)
case default
print*, 'ERROR: land perturbation requested for new parameter - will need to be coded in lndp_apply_pert', lndp_var_list(k)
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13 changes: 12 additions & 1 deletion lndp_apply_perts.F90
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Expand Up @@ -21,7 +21,7 @@ subroutine lndp_apply_perts(blksz, lsm, lsm_noah, lsm_ruc, lsoil, &
n_var_lndp, lndp_var_list, lndp_prt_list, &
sfc_wts, xlon, xlat, stype, smcmax, smcmin, param_update_flag, &
smc, slc, stc, vfrac, alvsf, alnsf, alvwf, alnwf, facsf, facwf, &
snoalb, semis, ierr)
snoalb, semis, zorll, ierr)

implicit none

Expand Down Expand Up @@ -55,6 +55,7 @@ subroutine lndp_apply_perts(blksz, lsm, lsm_noah, lsm_ruc, lsoil, &
real(kind=kind_dbl_prec), intent(inout) :: facsf(:,:)
real(kind=kind_dbl_prec), intent(inout) :: facwf(:,:)
real(kind=kind_dbl_prec), intent(inout) :: semis(:,:)
real(kind=kind_dbl_prec), intent(inout) :: zorll(:,:)

! intent(out)
integer, intent(out) :: ierr
Expand Down Expand Up @@ -220,6 +221,16 @@ subroutine lndp_apply_perts(blksz, lsm, lsm_noah, lsm_ruc, lsoil, &
pert = pert*factor
call apply_pert ('semis',pert,print_flag, semis(nb,i), ierr,p,min_bound, max_bound)
endif
case('zol') ! land roughness length
if (param_update_flag .or. lndp_each_step) then
p =5.
min_bound=0.
max_bound=300.

pert = sfc_wts(nb,i,v)*lndp_prt_list(v)
pert = pert*factor
call apply_pert ('zol',pert,print_flag, zorll(nb,i), ierr,p,min_bound, max_bound)
endif
case default
print*, &
'ERROR: unrecognised lndp_prt_list option in lndp_apply_pert, exiting', trim(lndp_var_list(v))
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