diff --git a/physics/module_sf_noahmp_glacier.f90 b/physics/module_sf_noahmp_glacier.f90
index 9dd79b347..4c3a53c88 100644
--- 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
 
diff --git a/physics/module_sf_noahmplsm.f90 b/physics/module_sf_noahmplsm.f90
index 1d95b0c0e..944446085 100644
--- 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