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fix the tsurf issue in Noah MP driver #816

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merged 4 commits into from
Dec 23, 2021
Merged

fix the tsurf issue in Noah MP driver #816

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9507bb8
fix the tsurf issue in Noah MP driver
HelinWei-NOAA Dec 17, 2021
3c0e2e6
change eta0 to slow snow compaction
barlage Dec 20, 2021
289cf01
change snow thermal conductivity to verseghy
barlage Dec 20, 2021
6d81c4f
Merge pull request #16 from barlage/p8_snow_mods
HelinWei-NOAA Dec 20, 2021
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6 changes: 3 additions & 3 deletions physics/module_sf_noahmp_glacier.f90
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Expand Up @@ -738,10 +738,10 @@ subroutine csnow_glacier (isnow ,nsnow ,nsoil ,snice ,snliq ,dzsnso ,
! thermal conductivity of snow

do iz = isnow+1, 0
tksno(iz) = 3.2217e-6*bdsnoi(iz)**2. ! stieglitz(yen,1965)
! tksno(iz) = 3.2217e-6*bdsnoi(iz)**2. ! stieglitz(yen,1965)
! tksno(iz) = 2e-2+2.5e-6*bdsnoi(iz)*bdsnoi(iz) ! anderson, 1976
! tksno(iz) = 0.35 ! constant
! tksno(iz) = 2.576e-6*bdsnoi(iz)**2. + 0.074 ! verseghy (1991)
tksno(iz) = 2.576e-6*bdsnoi(iz)**2. + 0.074 ! verseghy (1991)
! tksno(iz) = 2.22*(bdsnoi(iz)/1000.)**1.88 ! douvill(yen, 1981)
enddo

Expand Down Expand Up @@ -2657,7 +2657,7 @@ subroutine compact_glacier (nsnow ,nsoil ,dt ,stc ,snice , & !in
real (kind=kind_phys), parameter :: c4 = 0.04 !< [1/k]
real (kind=kind_phys), parameter :: c5 = 2.0 !<
real (kind=kind_phys), parameter :: dm = 100.0 !< upper limit on destructive metamorphism compaction [kg/m3]
real (kind=kind_phys), parameter :: eta0 = 0.8e+6 !< viscosity coefficient [kg-s/m2]
real (kind=kind_phys), parameter :: eta0 = 1.8e+6 !< viscosity coefficient [kg-s/m2]
!according to anderson, it is between 0.52e6~1.38e6
real (kind=kind_phys) :: burden !< pressure of overlying snow [kg/m2]
real (kind=kind_phys) :: ddz1 !< rate of settling of snow pack due to destructive metamorphism.
Expand Down
6 changes: 3 additions & 3 deletions physics/module_sf_noahmplsm.f90
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Expand Up @@ -2532,10 +2532,10 @@ subroutine csnow (parameters,isnow ,nsnow ,nsoil ,snice ,snliq ,dzsnso
! thermal conductivity of snow

do iz = isnow+1, 0
tksno(iz) = 3.2217e-6*bdsnoi(iz)**2. ! stieglitz(yen,1965)
! tksno(iz) = 3.2217e-6*bdsnoi(iz)**2. ! stieglitz(yen,1965)
! tksno(iz) = 2e-2+2.5e-6*bdsnoi(iz)*bdsnoi(iz) ! anderson, 1976
! tksno(iz) = 0.35 ! constant
! tksno(iz) = 2.576e-6*bdsnoi(iz)**2. + 0.074 ! verseghy (1991)
tksno(iz) = 2.576e-6*bdsnoi(iz)**2. + 0.074 ! verseghy (1991)
! tksno(iz) = 2.22*(bdsnoi(iz)/1000.)**1.88 ! douvill(yen, 1981)
enddo

Expand Down Expand Up @@ -7365,7 +7365,7 @@ subroutine compact (parameters,nsnow ,nsoil ,dt ,stc ,snice , & !in
real (kind=kind_phys), parameter :: c4 = 0.04 ![1/k]
real (kind=kind_phys), parameter :: c5 = 2.0 !
real (kind=kind_phys), parameter :: dm = 100.0 !upper limit on destructive metamorphism compaction [kg/m3]
real (kind=kind_phys), parameter :: eta0 = 0.8e+6 !viscosity coefficient [kg-s/m2]
real (kind=kind_phys), parameter :: eta0 = 1.8e+6 !viscosity coefficient [kg-s/m2]
!according to anderson, it is between 0.52e6~1.38e6
real (kind=kind_phys) :: burden !pressure of overlying snow [kg/m2]
real (kind=kind_phys) :: ddz1 !rate of settling of snow pack due to destructive metamorphism.
Expand Down
4 changes: 3 additions & 1 deletion physics/sfc_noahmp_drv.F90
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Expand Up @@ -118,7 +118,7 @@ subroutine noahmpdrv_run &

! --- in/outs:
weasd, snwdph, tskin, tprcp, srflag, smc, stc, slc, &
canopy, trans, zorl, &
canopy, trans, tsurf, zorl, &
rb1, fm1, fh1, ustar1, stress1, fm101, fh21, &

! --- Noah MP specific
Expand Down Expand Up @@ -245,6 +245,7 @@ subroutine noahmpdrv_run &
real(kind=kind_phys), dimension(:,:) , intent(inout) :: slc ! liquid soil moisture [m3/m3]
real(kind=kind_phys), dimension(:) , intent(inout) :: canopy ! canopy moisture content [mm]
real(kind=kind_phys), dimension(:) , intent(inout) :: trans ! total plant transpiration [m/s]
real(kind=kind_phys), dimension(:) , intent(inout) :: tsurf ! surface skin temperature [K]
real(kind=kind_phys), dimension(:) , intent(inout) :: zorl ! surface roughness [cm]

real(kind=kind_phys), dimension(:) , intent(inout) :: rb1 ! bulk richardson #
Expand Down Expand Up @@ -921,6 +922,7 @@ subroutine noahmpdrv_run &
sncovr1 (i) = snow_cover_fraction

! qsurf (i) = spec_humidity_surface
tsurf (i) = tskin(i)

tvxy (i) = temperature_leaf
tgxy (i) = temperature_ground
Expand Down
8 changes: 8 additions & 0 deletions physics/sfc_noahmp_drv.meta
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Expand Up @@ -662,6 +662,14 @@
type = real
kind = kind_phys
intent = inout
[tsurf]
standard_name = surface_skin_temperature_after_iteration_over_land
long_name = surface skin temperature after iteration over land
units = K
dimensions = (horizontal_loop_extent)
type = real
kind = kind_phys
intent = inout
[zorl]
standard_name = surface_roughness_length_over_land
long_name = surface roughness length over land (temporary use as interstitial)
Expand Down