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Updates to use EPBL_BBL_EFFIC #789

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Merged
Hallberg-NOAA merged 1 commit into from
Jan 1, 2025
Merged

Updates to use EPBL_BBL_EFFIC #789

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2 changes: 2 additions & 0 deletions src/parameterizations/vertical/MOM_energetic_PBL.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -699,6 +699,8 @@ subroutine energetic_PBL(h_3d, u_3d, v_3d, tv, fluxes, visc, dt, Kd_int, G, GV,
if (CS%debug .or. (CS%id_BBL_Vel_Scale>0)) then ; do k=1,nz
BBL_Vel_Scale(i,j,k) = mixvel_BBL(k)
enddo ; endif
if (CS%id_TKE_BBL>0) &
diag_TKE_BBL(i,j) = diag_TKE_BBL(i,j) + BBL_TKE
endif
if (CS%id_MSTAR_MIX > 0) diag_mStar_mix(i,j) = eCD%mstar
if (CS%id_MSTAR_LT > 0) diag_mStar_lt(i,j) = eCD%mstar_LT
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8 changes: 6 additions & 2 deletions src/parameterizations/vertical/MOM_set_diffusivity.F90
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Expand Up @@ -76,7 +76,9 @@ module MOM_set_diffusivity
real :: Von_Karm !< The von Karman constant as used in the BBL diffusivity calculation
!! [nondim]. See (http://en.wikipedia.org/wiki/Von_Karman_constant)
real :: BBL_effic !< efficiency with which the energy extracted
!! by bottom drag drives BBL diffusion [nondim]
!! by bottom drag drives BBL diffusion in the original BBL scheme [nondim]
real :: ePBL_BBL_effic !< efficiency with which the energy extracted
!! by bottom drag drives BBL diffusion in the ePBL BBL scheme [nondim]
real :: cdrag !< quadratic drag coefficient [nondim]
real :: dz_BBL_avg_min !< A minimal distance over which to average to determine the average
!! bottom boundary layer density [Z ~> m]
Expand Down Expand Up @@ -1943,7 +1945,7 @@ subroutine set_BBL_TKE(u, v, h, tv, fluxes, visc, G, GV, US, CS, OBC)
if (.not.CS%initialized) call MOM_error(FATAL,"set_BBL_TKE: "//&
"Module must be initialized before it is used.")

if (.not.CS%bottomdraglaw .or. (CS%BBL_effic<=0.0)) then
if (.not.CS%bottomdraglaw .or. (CS%BBL_effic<=0.0 .and. CS%ePBL_BBL_effic<=0.0)) then
if (allocated(visc%ustar_BBL)) then
do j=js,je ; do i=is,ie ; visc%ustar_BBL(i,j) = 0.0 ; enddo ; enddo
endif
Expand Down Expand Up @@ -2359,6 +2361,8 @@ subroutine set_diffusivity_init(Time, G, GV, US, param_file, diag, CS, int_tide_
"The efficiency with which the energy extracted by "//&
"bottom drag drives BBL diffusion. This is only "//&
"used if BOTTOMDRAGLAW is true.", units="nondim", default=0.20)
call get_param(param_file, mdl, "EPBL_BBL_EFFIC", CS%ePBL_BBL_effic, &
units="nondim", default=0.0,do_not_log=.true.)
call get_param(param_file, mdl, "BBL_MIXING_MAX_DECAY", decay_length, &
"The maximum decay scale for the BBL diffusion, or 0 to allow the mixing "//&
"to penetrate as far as stratification and rotation permit. The default "//&
Expand Down