Merge pull request #16 from barlage/p8_snow_mods

P8 snow mods
NCAR · Dec 20, 2021 · 6d81c4f · 6d81c4f
2 parents 9507bb8 + 289cf01
commit 6d81c4f
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/physics/module_sf_noahmp_glacier.f90 b/physics/module_sf_noahmp_glacier.f90
@@ -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
 
@@ -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.

diff --git a/physics/module_sf_noahmplsm.f90 b/physics/module_sf_noahmplsm.f90
@@ -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
 
@@ -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.