From f5f425f051f22479a8a75168392a695bfba79a38 Mon Sep 17 00:00:00 2001
From: Guillaume S <gsamson@mercator-ocean.fr>
Date: Thu, 16 Dec 2021 15:52:17 +0100
Subject: [PATCH] import commits from dev_r15388_updated_zdfiwm SVN branch
---
cfgs/ORCA2_ICE_PISCES/EXPREF/namelist_cfg | 16 +-
cfgs/SHARED/namelist_ref | 15 +-
src/OCE/LDF/ldftra.F90 | 4 +-
src/OCE/ZDF/zdfiwm.F90 | 450 +++++++++-------------
4 files changed, 208 insertions(+), 277 deletions(-)
diff --git a/cfgs/ORCA2_ICE_PISCES/EXPREF/namelist_cfg b/cfgs/ORCA2_ICE_PISCES/EXPREF/namelist_cfg
index a417d038a..24a0667fd 100644
--- a/cfgs/ORCA2_ICE_PISCES/EXPREF/namelist_cfg
+++ b/cfgs/ORCA2_ICE_PISCES/EXPREF/namelist_cfg
@@ -399,19 +399,19 @@
!-----------------------------------------------------------------------
&namzdf_iwm ! internal wave-driven mixing parameterization (ln_zdfiwm =T)
!-----------------------------------------------------------------------
- nn_zpyc = 2 ! pycnocline-intensified dissipation scales as N (=1) or N^2 (=2)
- ln_mevar = .true. ! variable (T) or constant (F) mixing efficiency
+ ln_mevar = .false. ! variable (T) or constant (F) mixing efficiency
ln_tsdiff = .true. ! account for differential T/S mixing (T) or not (F)
- cn_dir = './' ! root directory for the iwm data location
+ cn_dir = './' ! root directory for the iwm data location
!___________!_________________________!___________________!___________!_____________!________!___________!__________________!__________!_______________!
! ! file name ! frequency (hours) ! variable ! time interp.! clim ! 'yearly'/ ! weights filename ! rotation ! land/sea mask !
! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! ! pairing ! filename !
- sn_mpb = 'int_wave_mix' , -12. , 'mixing_power_bot' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_mpp = 'int_wave_mix' , -12. , 'mixing_power_pyc' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_mpc = 'int_wave_mix' , -12. , 'mixing_power_cri' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_dsb = 'int_wave_mix' , -12. , 'decay_scale_bot' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_dsc = 'int_wave_mix' , -12. , 'decay_scale_cri' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mpb = 'zdfiwm_forcing' , -12. , 'power_bot' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mpc = 'zdfiwm_forcing' , -12. , 'power_cri' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mpn = 'zdfiwm_forcing' , -12. , 'power_nsq' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mps = 'zdfiwm_forcing' , -12. , 'power_sho' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_dsb = 'zdfiwm_forcing' , -12. , 'scale_bot' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_dsc = 'zdfiwm_forcing' , -12. , 'scale_cri' , .false. , .true. , 'yearly' , '' , '' , ''
/
!!======================================================================
!! *** Diagnostics namelists *** !!
diff --git a/cfgs/SHARED/namelist_ref b/cfgs/SHARED/namelist_ref
index 4fa3957cb..5a2400ff4 100644
--- a/cfgs/SHARED/namelist_ref
+++ b/cfgs/SHARED/namelist_ref
@@ -330,7 +330,6 @@
rn_ldyn_max = 1.5 ! dynamics nudging magnitude above the ABL [hour] (~1 rn_Dt)
rn_ltra_min = 4.5 ! tracers nudging magnitude inside the ABL [hour] (~3 rn_Dt)
rn_ltra_max = 1.5 ! tracers nudging magnitude above the ABL [hour] (~1 rn_Dt)
- rn_vfac = 1. ! multiplicative factor for ocean/ice velocity
nn_amxl = 0 ! mixing length: = 0 Deardorff 80 length-scale
! = 1 length-scale based on the distance to the PBL height
! = 2 Bougeault & Lacarrere 89 length-scale
@@ -1308,19 +1307,19 @@
!-----------------------------------------------------------------------
&namzdf_iwm ! internal wave-driven mixing parameterization (ln_zdfiwm =T)
!-----------------------------------------------------------------------
- nn_zpyc = 1 ! pycnocline-intensified dissipation scales as N (=1) or N^2 (=2)
- ln_mevar = .true. ! variable (T) or constant (F) mixing efficiency
+ ln_mevar = .false. ! variable (T) or constant (F) mixing efficiency
ln_tsdiff = .true. ! account for differential T/S mixing (T) or not (F)
cn_dir = './' ! root directory for the iwm data location
!___________!_________________________!___________________!___________!_____________!________!___________!__________________!__________!_______________!
! ! file name ! frequency (hours) ! variable ! time interp.! clim ! 'yearly'/ ! weights filename ! rotation ! land/sea mask !
! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! ! pairing ! filename !
- sn_mpb = 'NOT USED' , -12. , 'mixing_power_bot' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_mpp = 'NOT USED' , -12. , 'mixing_power_pyc' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_mpc = 'NOT USED' , -12. , 'mixing_power_cri' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_dsb = 'NOT USED' , -12. , 'decay_scale_bot' , .false. , .true. , 'yearly' , '' , '' , ''
- sn_dsc = 'NOT USED' , -12. , 'decay_scale_cri' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mpb = 'NOT USED' , -12. , 'power_bot' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mpc = 'NOT USED' , -12. , 'power_cri' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mpn = 'NOT USED' , -12. , 'power_nsq' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_mps = 'NOT USED' , -12. , 'power_sho' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_dsb = 'NOT USED' , -12. , 'scale_bot' , .false. , .true. , 'yearly' , '' , '' , ''
+ sn_dsc = 'NOT USED' , -12. , 'scale_cri' , .false. , .true. , 'yearly' , '' , '' , ''
/
!!======================================================================
!! *** Diagnostics namelists *** !!
diff --git a/src/OCE/LDF/ldftra.F90 b/src/OCE/LDF/ldftra.F90
index 26f529a02..5aaeecd83 100644
--- a/src/OCE/LDF/ldftra.F90
+++ b/src/OCE/LDF/ldftra.F90
@@ -97,7 +97,7 @@ MODULE ldftra
# include "domzgr_substitute.h90"
!!----------------------------------------------------------------------
!! NEMO/OCE 4.0 , NEMO Consortium (2018)
- !! $Id: ldftra.F90 15093 2021-07-06 16:20:39Z clem $
+ !! $Id: ldftra.F90 15475 2021-11-05 14:14:45Z cdllod $
!! Software governed by the CeCILL license (see ./LICENSE)
!!----------------------------------------------------------------------
CONTAINS
@@ -516,7 +516,7 @@ CONTAINS
WRITE(numout,*) ' Eddy Induced Velocity (eiv) param. ln_ldfeiv = ', ln_ldfeiv
WRITE(numout,*) ' eiv streamfunction & velocity diag. ln_ldfeiv_dia = ', ln_ldfeiv_dia
WRITE(numout,*) ' coefficients :'
- WRITE(numout,*) ' type of time-space variation nn_aei_ijk_t = ', nn_aht_ijk_t
+ WRITE(numout,*) ' type of time-space variation nn_aei_ijk_t = ', nn_aei_ijk_t
WRITE(numout,*) ' lateral diffusive velocity (if cst) rn_Ue = ', rn_Ue, ' m/s'
WRITE(numout,*) ' lateral diffusive length (if cst) rn_Le = ', rn_Le, ' m'
WRITE(numout,*)
diff --git a/src/OCE/ZDF/zdfiwm.F90 b/src/OCE/ZDF/zdfiwm.F90
index a6b5aaeec..30a2dfd71 100644
--- a/src/OCE/ZDF/zdfiwm.F90
+++ b/src/OCE/ZDF/zdfiwm.F90
@@ -8,6 +8,8 @@ MODULE zdfiwm
!! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase
!! 3.6 ! 2016-03 (C. de Lavergne) New param: internal wave-driven mixing
!! 4.0 ! 2017-04 (G. Madec) renamed module, remove the old param. and the CPP keys
+ !! 4.0 ! 2020-12 (C. de Lavergne) Update param to match published one
+ !! 4.0 ! 2021-09 (C. de Lavergne) Add energy from trapped and shallow internal tides
!!----------------------------------------------------------------------
!!----------------------------------------------------------------------
@@ -36,24 +38,25 @@ MODULE zdfiwm
PUBLIC zdf_iwm_init ! called in nemogcm module
! !!* Namelist namzdf_iwm : internal wave-driven mixing *
- INTEGER :: nn_zpyc ! pycnocline-intensified mixing energy proportional to N (=1) or N^2 (=2)
LOGICAL :: ln_mevar ! variable (=T) or constant (=F) mixing efficiency
LOGICAL :: ln_tsdiff ! account for differential T/S wave-driven mixing (=T) or not (=F)
REAL(wp):: r1_6 = 1._wp / 6._wp
+ REAL(wp):: rnu = 1.4e-6_wp ! molecular kinematic viscosity
- REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ebot_iwm ! power available from high-mode wave breaking (W/m2)
- REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: epyc_iwm ! power available from low-mode, pycnocline-intensified wave breaking (W/m2)
- REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ecri_iwm ! power available from low-mode, critical slope wave breaking (W/m2)
- REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hbot_iwm ! WKB decay scale for high-mode energy dissipation (m)
- REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hcri_iwm ! decay scale for low-mode critical slope dissipation (m)
+ REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ebot_iwm ! bottom-intensified dissipation above abyssal hills (W/m2)
+ REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ecri_iwm ! bottom-intensified dissipation at topographic slopes (W/m2)
+ REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ensq_iwm ! dissipation scaling with squared buoyancy frequency (W/m2)
+ REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: esho_iwm ! dissipation due to shoaling internal tides (W/m2)
+ REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hbot_iwm ! decay scale for abyssal hill dissipation (m)
+ REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: hcri_iwm ! inverse decay scale for topographic slope dissipation (m-1)
!! * Substitutions
# include "do_loop_substitute.h90"
# include "domzgr_substitute.h90"
!!----------------------------------------------------------------------
!! NEMO/OCE 4.0 , NEMO Consortium (2018)
- !! $Id: zdfiwm.F90 14882 2021-05-18 16:32:47Z gsamson $
+ !! $Id: zdfiwm.F90 15533 2021-11-24 12:07:20Z cdllod $
!! Software governed by the CeCILL license (see ./LICENSE)
!!----------------------------------------------------------------------
CONTAINS
@@ -62,8 +65,8 @@ CONTAINS
!!----------------------------------------------------------------------
!! *** FUNCTION zdf_iwm_alloc ***
!!----------------------------------------------------------------------
- ALLOCATE( ebot_iwm(jpi,jpj), epyc_iwm(jpi,jpj), ecri_iwm(jpi,jpj) , &
- & hbot_iwm(jpi,jpj), hcri_iwm(jpi,jpj) , STAT=zdf_iwm_alloc )
+ ALLOCATE( ebot_iwm(jpi,jpj), ecri_iwm(jpi,jpj), ensq_iwm(jpi,jpj) , &
+ & esho_iwm(jpi,jpj), hbot_iwm(jpi,jpj), hcri_iwm(jpi,jpj) , STAT=zdf_iwm_alloc )
!
CALL mpp_sum ( 'zdfiwm', zdf_iwm_alloc )
IF( zdf_iwm_alloc /= 0 ) CALL ctl_stop( 'STOP', 'zdf_iwm_alloc: failed to allocate arrays' )
@@ -78,7 +81,7 @@ CONTAINS
!! breaking internal waves.
!!
!! ** Method : - internal wave-driven vertical mixing is given by:
- !! Kz_wave = min( 100 cm2/s, f( Reb = zemx_iwm /( Nu * N^2 ) )
+ !! Kz_wave = min( f( Reb = zemx_iwm / (Nu * N^2) ), 100 cm2/s )
!! where zemx_iwm is the 3D space distribution of the wave-breaking
!! energy and Nu the molecular kinematic viscosity.
!! The function f(Reb) is linear (constant mixing efficiency)
@@ -86,52 +89,53 @@ CONTAINS
!!
!! - Compute zemx_iwm, the 3D power density that allows to compute
!! Reb and therefrom the wave-induced vertical diffusivity.
- !! This is divided into three components:
- !! 1. Bottom-intensified low-mode dissipation at critical slopes
+ !! This is divided into four components:
+ !! 1. Bottom-intensified dissipation at topographic slopes, expressed
+ !! as an exponential decay above the bottom.
!! zemx_iwm(z) = ( ecri_iwm / rho0 ) * EXP( -(H-z)/hcri_iwm )
!! / ( 1. - EXP( - H/hcri_iwm ) ) * hcri_iwm
!! where hcri_iwm is the characteristic length scale of the bottom
- !! intensification, ecri_iwm a map of available power, and H the ocean depth.
- !! 2. Pycnocline-intensified low-mode dissipation
- !! zemx_iwm(z) = ( epyc_iwm / rho0 ) * ( sqrt(rn2(z))^nn_zpyc )
- !! / SUM( sqrt(rn2(z))^nn_zpyc * e3w[z) )
- !! where epyc_iwm is a map of available power, and nn_zpyc
- !! is the chosen stratification-dependence of the internal wave
- !! energy dissipation.
- !! 3. WKB-height dependent high mode dissipation
- !! zemx_iwm(z) = ( ebot_iwm / rho0 ) * rn2(z) * EXP(-z_wkb(z)/hbot_iwm)
- !! / SUM( rn2(z) * EXP(-z_wkb(z)/hbot_iwm) * e3w[z) )
- !! where hbot_iwm is the characteristic length scale of the WKB bottom
- !! intensification, ebot_iwm is a map of available power, and z_wkb is the
- !! WKB-stretched height above bottom defined as
- !! z_wkb(z) = H * SUM( sqrt(rn2(z'>=z)) * e3w[z'>=z) )
- !! / SUM( sqrt(rn2(z')) * e3w[z') )
+ !! intensification, ecri_iwm a static 2D map of available power, and
+ !! H the ocean depth.
+ !! 2. Bottom-intensified dissipation above abyssal hills, expressed
+ !! as an algebraic decay above bottom.
+ !! zemx_iwm(z) = ( ebot_iwm / rho0 ) * ( 1 + hbot_iwm/H )
+ !! / ( 1 + (H-z)/hbot_iwm )^2
+ !! where hbot_iwm is the characteristic length scale of the bottom
+ !! intensification and ebot_iwm is a static 2D map of available power.
+ !! 3. Dissipation scaling in the vertical with the squared buoyancy
+ !! frequency (N^2).
+ !! zemx_iwm(z) = ( ensq_iwm / rho0 ) * rn2(z)
+ !! / ZSUM( rn2 * e3w )
+ !! where ensq_iwm is a static 2D map of available power.
+ !! 4. Dissipation due to shoaling internal tides, scaling in the
+ !! vertical with the buoyancy frequency (N).
+ !! zemx_iwm(z) = ( esho_iwm / rho0 ) * sqrt(rn2(z))
+ !! / ZSUM( sqrt(rn2) * e3w )
+ !! where esho_iwm is a static 2D map of available power.
!!
- !! - update the model vertical eddy viscosity and diffusivity:
- !! avt = avt + av_wave
+ !! - update the model vertical eddy viscosity and diffusivity:
+ !! avt = avt + av_wave
+ !! avs = avs + av_wave
!! avm = avm + av_wave
!!
!! - if namelist parameter ln_tsdiff = T, account for differential mixing:
- !! avs = avt + av_wave * diffusivity_ratio(Reb)
+ !! avs = avs + av_wave * diffusivity_ratio(Reb)
!!
- !! ** Action : - avt, avs, avm, increased by tide internal wave-driven mixing
+ !! ** Action : - avt, avs, avm, increased by internal wave-driven mixing
!!
- !! References : de Lavergne et al. 2015, JPO; 2016, in prep.
+ !! References : de Lavergne et al. JAMES 2020, https://doi.org/10.1029/2020MS002065
+ !! de Lavergne et al. JPO 2016, https://doi.org/10.1175/JPO-D-14-0259.1
!!----------------------------------------------------------------------
INTEGER , INTENT(in ) :: kt ! ocean time step
- INTEGER , INTENT(in ) :: Kmm ! time level index
+ INTEGER , INTENT(in ) :: Kmm ! time level index
REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: p_avm ! momentum Kz (w-points)
REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: p_avt, p_avs ! tracer Kz (w-points)
!
INTEGER :: ji, jj, jk ! dummy loop indices
REAL(wp), SAVE :: zztmp
- REAL(wp) :: ztmp1, ztmp2 ! scalar workspace
+ !
REAL(wp), DIMENSION(A2D(nn_hls)) :: zfact ! Used for vertical structure
- REAL(wp), DIMENSION(A2D(nn_hls)) :: zhdep ! Ocean depth
- REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zwkb ! WKB-stretched height above bottom
- REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zweight ! Weight for high mode vertical distribution
- REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: znu_t ! Molecular kinematic viscosity (T grid)
- REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: znu_w ! Molecular kinematic viscosity (W grid)
REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zReb ! Turbulence intensity parameter
REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zemx_iwm ! local energy density available for mixing (W/kg)
REAL(wp), DIMENSION(A2D(nn_hls),jpk) :: zav_ratio ! S/T diffusivity ratio (only for ln_tsdiff=T)
@@ -140,170 +144,140 @@ CONTAINS
REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: z2d ! 2D - - - -
!!----------------------------------------------------------------------
!
- !
- ! Set to zero the 1st and last vertical levels of appropriate variables
- IF( iom_use("emix_iwm") ) THEN
- zemx_iwm(:,:,:) = 0._wp
- ENDIF
- IF( iom_use("av_ratio") ) THEN
- zav_ratio(:,:,:) = 0._wp
- ENDIF
- IF( iom_use("av_wave") .OR. sn_cfctl%l_prtctl ) THEN
- zav_wave(:,:,:) = 0._wp
- ENDIF
+ ! !* Initialize appropriately certain variables
+ zav_ratio(:,:,:) = 1._wp * wmask(:,:,:) ! important to set it to 1 here
+ IF( iom_use("emix_iwm") ) zemx_iwm (:,:,:) = 0._wp
+ IF( iom_use("av_wave") .OR. sn_cfctl%l_prtctl ) zav_wave (:,:,:) = 0._wp
!
! ! ----------------------------- !
! ! Internal wave-driven mixing ! (compute zav_wave)
! ! ----------------------------- !
!
- ! !* Critical slope mixing: distribute energy over the time-varying ocean depth,
- ! using an exponential decay from the seafloor.
- DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 ) ! part independent of the level
- zhdep(ji,jj) = gdepw_0(ji,jj,mbkt(ji,jj)+1) ! depth of the ocean
- zfact(ji,jj) = rho0 * ( 1._wp - EXP( -zhdep(ji,jj) / hcri_iwm(ji,jj) ) )
- IF( zfact(ji,jj) /= 0._wp ) zfact(ji,jj) = ecri_iwm(ji,jj) / zfact(ji,jj)
- END_2D
-!!gm gde3w ==>>> check for ssh taken into account.... seem OK gde3w_n=gdept(:,:,:,Kmm) - ssh(:,:,Kmm)
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
- IF ( zfact(ji,jj) == 0._wp .OR. wmask(ji,jj,jk) == 0._wp ) THEN ! optimization
- zemx_iwm(ji,jj,jk) = 0._wp
- ELSE
- zemx_iwm(ji,jj,jk) = zfact(ji,jj) * ( EXP( ( gde3w(ji,jj,jk ) - zhdep(ji,jj) ) / hcri_iwm(ji,jj) ) &
- & - EXP( ( gde3w(ji,jj,jk-1) - zhdep(ji,jj) ) / hcri_iwm(ji,jj) ) ) &
- & / ( gde3w(ji,jj,jk) - gde3w(ji,jj,jk-1) )
+ ! !* 'cri' component: distribute energy over the time-varying
+ ! !* ocean depth using an exponential decay from the seafloor.
+ DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 ) ! part independent of the level
+ IF( ht(ji,jj) /= 0._wp ) THEN ; zfact(ji,jj) = ecri_iwm(ji,jj) * r1_rho0 / ( 1._wp - EXP( -ht(ji,jj) * hcri_iwm(ji,jj) ) )
+ ELSE ; zfact(ji,jj) = 0._wp
ENDIF
+ END_2D
+
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
+ zemx_iwm(ji,jj,jk) = zfact(ji,jj) * ( EXP( ( gdept(ji,jj,jk ,Kmm) - ht(ji,jj) ) * hcri_iwm(ji,jj) ) &
+ & - EXP( ( gdept(ji,jj,jk-1,Kmm) - ht(ji,jj) ) * hcri_iwm(ji,jj) ) &
+ & ) * wmask(ji,jj,jk) / e3w(ji,jj,jk,Kmm)
END_3D
-!!gm delta(gde3w) = e3t(:,:,:,Kmm) !! Please verify the grid-point position w versus t-point
-!!gm it seems to me that only 1/hcri_iwm is used ==> compute it one for all
+ !* 'bot' component: distribute energy over the time-varying
+ !* ocean depth using an algebraic decay above the seafloor.
+ DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 ) ! part independent of the level
+ IF( ht(ji,jj) /= 0._wp ) THEN ; zfact(ji,jj) = ebot_iwm(ji,jj) * ( 1._wp + hbot_iwm(ji,jj) / ht(ji,jj) ) * r1_rho0
+ ELSE ; zfact(ji,jj) = 0._wp
+ ENDIF
+ END_2D
- ! !* Pycnocline-intensified mixing: distribute energy over the time-varying
- ! !* ocean depth as proportional to sqrt(rn2)^nn_zpyc
- ! ! (NB: N2 is masked, so no use of wmask here)
- SELECT CASE ( nn_zpyc )
- !
- CASE ( 1 ) ! Dissipation scales as N (recommended)
- !
- DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- zfact(ji,jj) = 0._wp
- END_2D
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! part independent of the level
- zfact(ji,jj) = zfact(ji,jj) + e3w(ji,jj,jk,Kmm) * SQRT( MAX( 0._wp, rn2(ji,jj,jk) ) ) * wmask(ji,jj,jk)
- END_3D
- !
- DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = epyc_iwm(ji,jj) / ( rho0 * zfact(ji,jj) )
- END_2D
- !
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
- zemx_iwm(ji,jj,jk) = zemx_iwm(ji,jj,jk) + zfact(ji,jj) * SQRT( MAX( 0._wp, rn2(ji,jj,jk) ) ) * wmask(ji,jj,jk)
- END_3D
- !
- CASE ( 2 ) ! Dissipation scales as N^2
- !
- DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- zfact(ji,jj) = 0._wp
- END_2D
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! part independent of the level
- zfact(ji,jj) = zfact(ji,jj) + e3w(ji,jj,jk,Kmm) * MAX( 0._wp, rn2(ji,jj,jk) ) * wmask(ji,jj,jk)
- END_3D
- !
- DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = epyc_iwm(ji,jj) / ( rho0 * zfact(ji,jj) )
- END_2D
- !
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- zemx_iwm(ji,jj,jk) = zemx_iwm(ji,jj,jk) + zfact(ji,jj) * MAX( 0._wp, rn2(ji,jj,jk) ) * wmask(ji,jj,jk)
- END_3D
- !
- END SELECT
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
+ zemx_iwm(ji,jj,jk) = zemx_iwm(ji,jj,jk) + &
+ & zfact(ji,jj) * ( 1._wp / ( 1._wp + ( ht(ji,jj) - gdept(ji,jj,jk ,Kmm) ) / hbot_iwm(ji,jj) ) &
+ & - 1._wp / ( 1._wp + ( ht(ji,jj) - gdept(ji,jj,jk-1,Kmm) ) / hbot_iwm(ji,jj) ) &
+ & ) * wmask(ji,jj,jk) / e3w(ji,jj,jk,Kmm)
+ END_3D
- ! !* WKB-height dependent mixing: distribute energy over the time-varying
- ! !* ocean depth as proportional to rn2 * exp(-z_wkb/rn_hbot)
- !
+ !* 'nsq' component: distribute energy over the time-varying
+ !* ocean depth as proportional to rn2
DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- zwkb(ji,jj,1) = 0._wp
+ zfact(ji,jj) = 0._wp
END_2D
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- zwkb(ji,jj,jk) = zwkb(ji,jj,jk-1) + e3w(ji,jj,jk,Kmm) * SQRT( MAX( 0._wp, rn2(ji,jj,jk) ) ) * wmask(ji,jj,jk)
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! part independent of the level
+ zfact(ji,jj) = zfact(ji,jj) + e3w(ji,jj,jk,Kmm) * MAX( 0._wp, rn2(ji,jj,jk) )
END_3D
- DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- zfact(ji,jj) = zwkb(ji,jj,jpkm1)
- END_2D
!
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- IF( zfact(ji,jj) /= 0 ) zwkb(ji,jj,jk) = zhdep(ji,jj) * ( zfact(ji,jj) - zwkb(ji,jj,jk) ) &
- & * wmask(ji,jj,jk) / zfact(ji,jj)
- END_3D
DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- zwkb (ji,jj,1) = zhdep(ji,jj) * wmask(ji,jj,1)
+ IF( zfact(ji,jj) /= 0._wp ) zfact(ji,jj) = ensq_iwm(ji,jj) * r1_rho0 / zfact(ji,jj)
END_2D
!
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- IF ( rn2(ji,jj,jk) <= 0._wp .OR. wmask(ji,jj,jk) == 0._wp ) THEN ! optimization: EXP coast a lot
- zweight(ji,jj,jk) = 0._wp
- ELSE
- zweight(ji,jj,jk) = rn2(ji,jj,jk) * hbot_iwm(ji,jj) &
- & * ( EXP( -zwkb(ji,jj,jk) / hbot_iwm(ji,jj) ) - EXP( -zwkb(ji,jj,jk-1) / hbot_iwm(ji,jj) ) )
- ENDIF
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
+ zemx_iwm(ji,jj,jk) = zemx_iwm(ji,jj,jk) + zfact(ji,jj) * MAX( 0._wp, rn2(ji,jj,jk) )
END_3D
- !
+
+ !* 'sho' component: distribute energy over the time-varying
+ !* ocean depth as proportional to sqrt(rn2)
DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
zfact(ji,jj) = 0._wp
END_2D
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! part independent of the level
- zfact(ji,jj) = zfact(ji,jj) + zweight(ji,jj,jk)
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! part independent of the level
+ zfact(ji,jj) = zfact(ji,jj) + e3w(ji,jj,jk,Kmm) * SQRT( MAX( 0._wp, rn2(ji,jj,jk) ) )
END_3D
!
DO_2D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1 )
- IF( zfact(ji,jj) /= 0 ) zfact(ji,jj) = ebot_iwm(ji,jj) / ( rho0 * zfact(ji,jj) )
+ IF( zfact(ji,jj) /= 0._wp ) zfact(ji,jj) = esho_iwm(ji,jj) * r1_rho0 / zfact(ji,jj)
END_2D
!
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
- zemx_iwm(ji,jj,jk) = zemx_iwm(ji,jj,jk) + zweight(ji,jj,jk) * zfact(ji,jj) * wmask(ji,jj,jk) &
- & / ( gde3w(ji,jj,jk) - gde3w(ji,jj,jk-1) )
-!!gm use of e3t(ji,jj,:,Kmm) just above?
- END_3D
- !
-!!gm this is to be replaced by just a constant value znu=1.e-6 m2/s
- ! Calculate molecular kinematic viscosity
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 1, jpkm1 )
- znu_t(ji,jj,jk) = 1.e-4_wp * ( 17.91_wp - 0.53810_wp * ts(ji,jj,jk,jp_tem,Kmm) &
- & + 0.00694_wp * ts(ji,jj,jk,jp_tem,Kmm) * ts(ji,jj,jk,jp_tem,Kmm) &
- & + 0.02305_wp * ts(ji,jj,jk,jp_sal,Kmm) ) * tmask(ji,jj,jk) * r1_rho0
- END_3D
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- znu_w(ji,jj,jk) = 0.5_wp * ( znu_t(ji,jj,jk-1) + znu_t(ji,jj,jk) ) * wmask(ji,jj,jk)
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! complete with the level-dependent part
+ zemx_iwm(ji,jj,jk) = zemx_iwm(ji,jj,jk) + zfact(ji,jj) * SQRT( MAX( 0._wp, rn2(ji,jj,jk) ) )
END_3D
-!!gm end
- !
+
! Calculate turbulence intensity parameter Reb
DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- zReb(ji,jj,jk) = zemx_iwm(ji,jj,jk) / MAX( 1.e-20_wp, znu_w(ji,jj,jk) * rn2(ji,jj,jk) )
+ zReb(ji,jj,jk) = zemx_iwm(ji,jj,jk) / MAX( 1.e-20_wp, rnu * rn2(ji,jj,jk) )
END_3D
!
! Define internal wave-induced diffusivity
DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- zav_wave(ji,jj,jk) = znu_w(ji,jj,jk) * zReb(ji,jj,jk) * r1_6 ! This corresponds to a constant mixing efficiency of 1/6
+ zav_wave(ji,jj,jk) = zReb(ji,jj,jk) * r1_6 * rnu ! This corresponds to a constant mixing efficiency of 1/6
END_3D
!
- IF( ln_mevar ) THEN ! Variable mixing efficiency case : modify zav_wave in the
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! energetic (Reb > 480) and buoyancy-controlled (Reb <10.224 ) regimes
+ IF( ln_mevar ) THEN ! Variable mixing efficiency case : modify zav_wave in the
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! energetic (Reb > 480) and buoyancy-controlled (Reb <10.224) regimes
IF( zReb(ji,jj,jk) > 480.00_wp ) THEN
- zav_wave(ji,jj,jk) = 3.6515_wp * znu_w(ji,jj,jk) * SQRT( zReb(ji,jj,jk) )
+ zav_wave(ji,jj,jk) = 3.6515_wp * rnu * SQRT( zReb(ji,jj,jk) )
ELSEIF( zReb(ji,jj,jk) < 10.224_wp ) THEN
- zav_wave(ji,jj,jk) = 0.052125_wp * znu_w(ji,jj,jk) * zReb(ji,jj,jk) * SQRT( zReb(ji,jj,jk) )
+ zav_wave(ji,jj,jk) = 0.052125_wp * rnu * zReb(ji,jj,jk) * SQRT( zReb(ji,jj,jk) )
ENDIF
END_3D
ENDIF
!
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! Bound diffusivity by molecular value and 100 cm2/s
- zav_wave(ji,jj,jk) = MIN( MAX( 1.4e-7_wp, zav_wave(ji,jj,jk) ), 1.e-2_wp ) * wmask(ji,jj,jk)
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! Bound diffusivity by molecular value and 100 cm2/s
+ zav_wave(ji,jj,jk) = MIN( MAX( 1.4e-7_wp, zav_wave(ji,jj,jk) ), 1.e-2_wp ) * wmask(ji,jj,jk)
+ END_3D
+ !
+ ! ! ----------------------- !
+ ! ! Update mixing coefs !
+ ! ! ----------------------- !
+ !
+ IF( ln_tsdiff ) THEN !* Option for differential mixing of salinity and temperature
+ DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! Calculate S/T diffusivity ratio as a function of Reb (else it is set to 1)
+ zav_ratio(ji,jj,jk) = ( 0.505_wp + &
+ & 0.495_wp * TANH( 0.92_wp * ( LOG10( MAX( 1.e-20, zReb(ji,jj,jk) * 5._wp * r1_6 ) ) - 0.60_wp ) ) &
+ & ) * wmask(ji,jj,jk)
+ END_3D
+ ENDIF
+ CALL iom_put( "av_ratio", zav_ratio )
+ !
+ DO_3D_OVR( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) !* update momentum & tracer diffusivity with wave-driven mixing
+ p_avs(ji,jj,jk) = p_avs(ji,jj,jk) + zav_wave(ji,jj,jk) * zav_ratio(ji,jj,jk)
+ p_avt(ji,jj,jk) = p_avt(ji,jj,jk) + zav_wave(ji,jj,jk)
+ p_avm(ji,jj,jk) = p_avm(ji,jj,jk) + zav_wave(ji,jj,jk)
END_3D
+ ! !* output internal wave-driven mixing coefficient
+ CALL iom_put( "av_wave", zav_wave )
+ !* output useful diagnostics: Kz*N^2 ,
+ ! vertical integral of rho0 * Kz * N^2 , energy density (zemx_iwm)
+ IF( iom_use("bflx_iwm") .OR. iom_use("pcmap_iwm") ) THEN
+ ALLOCATE( z2d(A2D(nn_hls)) , z3d(A2D(nn_hls),jpk) )
+ z2d(:,:) = 0._wp ; z3d(:,:,:) = 0._wp ! Initialisation for iom_put
+ DO_3D( 0, 0, 0, 0, 2, jpkm1 )
+ z3d(ji,jj,jk) = MAX( 0._wp, rn2(ji,jj,jk) ) * zav_wave(ji,jj,jk)
+ z2d(ji,jj) = z2d(ji,jj) + rho0 * e3w(ji,jj,jk,Kmm) * z3d(ji,jj,jk) * wmask(ji,jj,jk)
+ END_3D
+ CALL iom_put( "bflx_iwm", z3d )
+ CALL iom_put( "pcmap_iwm", z2d )
+ DEALLOCATE( z2d , z3d )
+ ENDIF
+ CALL iom_put( "emix_iwm", zemx_iwm )
+
!
IF( kt == nit000 ) THEN !* Control print at first time-step: diagnose the energy consumed by zav_wave
IF( .NOT. l_istiled .OR. ntile == 1 ) zztmp = 0._wp ! Do only on the first tile
-!!gm used of glosum 3D....
DO_3D( 0, 0, 0, 0, 2, jpkm1 )
zztmp = zztmp + e3w(ji,jj,jk,Kmm) * e1e2t(ji,jj) &
& * MAX( 0._wp, rn2(ji,jj,jk) ) * zav_wave(ji,jj,jk) * wmask(ji,jj,jk) * tmask_i(ji,jj)
@@ -311,7 +285,7 @@ CONTAINS
IF( .NOT. l_istiled .OR. ntile == nijtile ) THEN ! Do only on the last tile
CALL mpp_sum( 'zdfiwm', zztmp )
- zztmp = rho0 * zztmp ! Global integral of rauo * Kz * N^2 = power contributing to mixing
+ zztmp = rho0 * zztmp ! Global integral of rho0 * Kz * N^2 = power contributing to mixing
!
IF(lwp) THEN
WRITE(numout,*)
@@ -323,58 +297,6 @@ CONTAINS
ENDIF
ENDIF
- ! ! ----------------------- !
- ! ! Update mixing coefs !
- ! ! ----------------------- !
- !
- IF( ln_tsdiff ) THEN !* Option for differential mixing of salinity and temperature
- ztmp1 = 0.505_wp + 0.495_wp * TANH( 0.92_wp * ( LOG10( 1.e-20_wp ) - 0.60_wp ) )
- DO_3D( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) ! Calculate S/T diffusivity ratio as a function of Reb
- ztmp2 = zReb(ji,jj,jk) * 5._wp * r1_6
- IF ( ztmp2 > 1.e-20_wp .AND. wmask(ji,jj,jk) == 1._wp ) THEN
- zav_ratio(ji,jj,jk) = 0.505_wp + 0.495_wp * TANH( 0.92_wp * ( LOG10(ztmp2) - 0.60_wp ) )
- ELSE
- zav_ratio(ji,jj,jk) = ztmp1 * wmask(ji,jj,jk)
- ENDIF
- END_3D
- CALL iom_put( "av_ratio", zav_ratio )
- DO_3D_OVR( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 ) !* update momentum & tracer diffusivity with wave-driven mixing
- p_avs(ji,jj,jk) = p_avs(ji,jj,jk) + zav_wave(ji,jj,jk) * zav_ratio(ji,jj,jk)
- p_avt(ji,jj,jk) = p_avt(ji,jj,jk) + zav_wave(ji,jj,jk)
- p_avm(ji,jj,jk) = p_avm(ji,jj,jk) + zav_wave(ji,jj,jk)
- END_3D
- !
- ELSE !* update momentum & tracer diffusivity with wave-driven mixing
- DO_3D_OVR( nn_hls-1, nn_hls-1, nn_hls-1, nn_hls-1, 2, jpkm1 )
- p_avs(ji,jj,jk) = p_avs(ji,jj,jk) + zav_wave(ji,jj,jk)
- p_avt(ji,jj,jk) = p_avt(ji,jj,jk) + zav_wave(ji,jj,jk)
- p_avm(ji,jj,jk) = p_avm(ji,jj,jk) + zav_wave(ji,jj,jk)
- END_3D
- ENDIF
-
- ! !* output internal wave-driven mixing coefficient
- CALL iom_put( "av_wave", zav_wave )
- !* output useful diagnostics: Kz*N^2 ,
-!!gm Kz*N2 should take into account the ratio avs/avt if it is used.... (see diaar5)
- ! vertical integral of rho0 * Kz * N^2 , energy density (zemx_iwm)
- IF( iom_use("bflx_iwm") .OR. iom_use("pcmap_iwm") ) THEN
- ALLOCATE( z2d(A2D(nn_hls)) , z3d(A2D(nn_hls),jpk) )
- ! Initialisation for iom_put
- z2d(:,:) = 0._wp ; z3d(:,:,:) = 0._wp
-
- DO_3D( 0, 0, 0, 0, 2, jpkm1 )
- z3d(ji,jj,jk) = MAX( 0._wp, rn2(ji,jj,jk) ) * zav_wave(ji,jj,jk)
- z2d(ji,jj) = z2d(ji,jj) + e3w(ji,jj,jk,Kmm) * z3d(ji,jj,jk) * wmask(ji,jj,jk)
- END_3D
- DO_2D( 0, 0, 0, 0 )
- z2d(ji,jj) = rho0 * z2d(ji,jj)
- END_2D
- CALL iom_put( "bflx_iwm", z3d )
- CALL iom_put( "pcmap_iwm", z2d )
- DEALLOCATE( z2d , z3d )
- ENDIF
- CALL iom_put( "emix_iwm", zemx_iwm )
-
IF(sn_cfctl%l_prtctl) CALL prt_ctl(tab3d_1=zav_wave , clinfo1=' iwm - av_wave: ', tab3d_2=avt, clinfo2=' avt: ', kdim=jpk)
!
END SUBROUTINE zdf_iwm
@@ -384,48 +306,50 @@ CONTAINS
!!----------------------------------------------------------------------
!! *** ROUTINE zdf_iwm_init ***
!!
- !! ** Purpose : Initialization of the wave-driven vertical mixing, reading
- !! of input power maps and decay length scales in netcdf files.
+ !! ** Purpose : Initialization of the internal wave-driven vertical mixing, reading
+ !! of input power maps and decay length scales in a netcdf file.
!!
!! ** Method : - Read the namzdf_iwm namelist and check the parameters
!!
- !! - Read the input data in NetCDF files :
- !! power available from high-mode wave breaking (mixing_power_bot.nc)
- !! power available from pycnocline-intensified wave-breaking (mixing_power_pyc.nc)
- !! power available from critical slope wave-breaking (mixing_power_cri.nc)
- !! WKB decay scale for high-mode wave-breaking (decay_scale_bot.nc)
- !! decay scale for critical slope wave-breaking (decay_scale_cri.nc)
+ !! - Read the input data in a NetCDF file (zdfiwm_forcing.nc) with variables:
+ !! 'power_bot' bottom-intensified dissipation above abyssal hills
+ !! 'power_cri' bottom-intensified dissipation at topographic slopes
+ !! 'power_nsq' dissipation scaling with squared buoyancy frequency
+ !! 'power_sho' dissipation due to shoaling internal tides
+ !! 'scale_bot' decay scale for abyssal hill dissipation
+ !! 'scale_cri' decay scale for topographic-slope dissipation
!!
!! ** input : - Namlist namzdf_iwm
- !! - NetCDF files : mixing_power_bot.nc, mixing_power_pyc.nc, mixing_power_cri.nc,
- !! decay_scale_bot.nc decay_scale_cri.nc
+ !! - NetCDF file : zdfiwm_forcing.nc
!!
!! ** Action : - Increase by 1 the nstop flag is setting problem encounter
- !! - Define ebot_iwm, epyc_iwm, ecri_iwm, hbot_iwm, hcri_iwm
+ !! - Define ebot_iwm, ecri_iwm, ensq_iwm, esho_iwm, hbot_iwm, hcri_iwm
!!
- !! References : de Lavergne et al. JPO, 2015 ; de Lavergne PhD 2016
- !! de Lavergne et al. in prep., 2017
+ !! References : de Lavergne et al. JAMES 2020, https://doi.org/10.1029/2020MS002065
!!----------------------------------------------------------------------
INTEGER :: ifpr ! dummy loop indices
INTEGER :: inum ! local integer
INTEGER :: ios
- REAL(wp) :: zbot, zpyc, zcri ! local scalars
!
CHARACTER(len=256) :: cn_dir ! Root directory for location of ssr files
- INTEGER, PARAMETER :: jpiwm = 5 ! maximum number of files to read
+ INTEGER, PARAMETER :: jpiwm = 6 ! maximum number of variables to read
INTEGER, PARAMETER :: jp_mpb = 1
- INTEGER, PARAMETER :: jp_mpp = 2
- INTEGER, PARAMETER :: jp_mpc = 3
- INTEGER, PARAMETER :: jp_dsb = 4
- INTEGER, PARAMETER :: jp_dsc = 5
+ INTEGER, PARAMETER :: jp_mpc = 2
+ INTEGER, PARAMETER :: jp_mpn = 3
+ INTEGER, PARAMETER :: jp_mps = 4
+ INTEGER, PARAMETER :: jp_dsb = 5
+ INTEGER, PARAMETER :: jp_dsc = 6
+ !
+ TYPE(FLD_N), DIMENSION(jpiwm) :: slf_iwm ! array of namelist informations
+ TYPE(FLD_N) :: sn_mpb, sn_mpc, sn_mpn, sn_mps ! information about Mixing Power field to be read
+ TYPE(FLD_N) :: sn_dsb, sn_dsc ! information about Decay Scale field to be read
+ TYPE(FLD ), DIMENSION(jpiwm) :: sf_iwm ! structure of input fields (file informations, fields read)
!
- TYPE(FLD_N), DIMENSION(jpiwm) :: slf_iwm ! array of namelist informations
- TYPE(FLD_N) :: sn_mpb, sn_mpp, sn_mpc ! informations about Mixing Power field to be read
- TYPE(FLD_N) :: sn_dsb, sn_dsc ! informations about Decay Scale field to be read
- TYPE(FLD ), DIMENSION(jpiwm) :: sf_iwm ! structure of input fields (file informations, fields read)
+ REAL(wp), DIMENSION(jpi,jpj,4) :: ztmp
+ REAL(wp), DIMENSION(4) :: zdia
!
- NAMELIST/namzdf_iwm/ nn_zpyc, ln_mevar, ln_tsdiff, &
- & cn_dir, sn_mpb, sn_mpp, sn_mpc, sn_dsb, sn_dsc
+ NAMELIST/namzdf_iwm/ ln_mevar, ln_tsdiff, &
+ & cn_dir, sn_mpb, sn_mpc, sn_mpn, sn_mps, sn_dsb, sn_dsc
!!----------------------------------------------------------------------
!
READ ( numnam_ref, namzdf_iwm, IOSTAT = ios, ERR = 901)
@@ -440,17 +364,16 @@ CONTAINS
WRITE(numout,*) 'zdf_iwm_init : internal wave-driven mixing'
WRITE(numout,*) '~~~~~~~~~~~~'
WRITE(numout,*) ' Namelist namzdf_iwm : set wave-driven mixing parameters'
- WRITE(numout,*) ' Pycnocline-intensified diss. scales as N (=1) or N^2 (=2) = ', nn_zpyc
WRITE(numout,*) ' Variable (T) or constant (F) mixing efficiency = ', ln_mevar
WRITE(numout,*) ' Differential internal wave-driven mixing (T) or not (F) = ', ln_tsdiff
ENDIF
- ! The new wave-driven mixing parameterization elevates avt and avm in the interior, and
+ ! This internal-wave-driven mixing parameterization elevates avt and avm in the interior, and
! ensures that avt remains larger than its molecular value (=1.4e-7). Therefore, avtb should
! be set here to a very small value, and avmb to its (uniform) molecular value (=1.4e-6).
- avmb(:) = 1.4e-6_wp ! viscous molecular value
+ avmb(:) = rnu ! molecular value
avtb(:) = 1.e-10_wp ! very small diffusive minimum (background avt is specified in zdf_iwm)
- avtb_2d(:,:) = 1.e0_wp ! uniform
+ avtb_2d(:,:) = 1._wp ! uniform
IF(lwp) THEN ! Control print
WRITE(numout,*)
WRITE(numout,*) ' Force the background value applied to avm & avt in TKE to be everywhere ', &
@@ -461,41 +384,50 @@ CONTAINS
IF( zdf_iwm_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'zdf_iwm_init : unable to allocate iwm arrays' )
!
! store namelist information in an array
- slf_iwm(jp_mpb) = sn_mpb ; slf_iwm(jp_mpp) = sn_mpp ; slf_iwm(jp_mpc) = sn_mpc
+ slf_iwm(jp_mpb) = sn_mpb ; slf_iwm(jp_mpc) = sn_mpc ; slf_iwm(jp_mpn) = sn_mpn ; slf_iwm(jp_mps) = sn_mps
slf_iwm(jp_dsb) = sn_dsb ; slf_iwm(jp_dsc) = sn_dsc
!
DO ifpr= 1, jpiwm
ALLOCATE( sf_iwm(ifpr)%fnow(jpi,jpj,1) )
- IF( slf_iwm(ifpr)%ln_tint )ALLOCATE( sf_iwm(ifpr)%fdta(jpi,jpj,1,2) )
+ IF( slf_iwm(ifpr)%ln_tint ) ALLOCATE( sf_iwm(ifpr)%fdta(jpi,jpj,1,2) )
END DO
! fill sf_iwm with sf_iwm and control print
CALL fld_fill( sf_iwm, slf_iwm , cn_dir, 'zdfiwm_init', 'iwm input file', 'namiwm' )
- ! ! hard-coded default definition (to be defined in namelist ?)
- sf_iwm(jp_mpb)%fnow(:,:,1) = 1.e-6
- sf_iwm(jp_mpp)%fnow(:,:,1) = 1.e-6
- sf_iwm(jp_mpc)%fnow(:,:,1) = 1.e-10
- sf_iwm(jp_dsb)%fnow(:,:,1) = 100.
- sf_iwm(jp_dsc)%fnow(:,:,1) = 100.
+ ! ! hard-coded default values
+ sf_iwm(jp_mpb)%fnow(:,:,1) = 1.e-10_wp
+ sf_iwm(jp_mpc)%fnow(:,:,1) = 1.e-10_wp
+ sf_iwm(jp_mpn)%fnow(:,:,1) = 1.e-5_wp
+ sf_iwm(jp_mps)%fnow(:,:,1) = 1.e-10_wp
+ sf_iwm(jp_dsb)%fnow(:,:,1) = 100._wp
+ sf_iwm(jp_dsc)%fnow(:,:,1) = 100._wp
! ! read necessary fields
CALL fld_read( nit000, 1, sf_iwm )
- ebot_iwm(:,:) = sf_iwm(1)%fnow(:,:,1) * ssmask(:,:) ! energy flux for high-mode wave breaking [W/m2]
- epyc_iwm(:,:) = sf_iwm(2)%fnow(:,:,1) * ssmask(:,:) ! energy flux for pynocline-intensified wave breaking [W/m2]
- ecri_iwm(:,:) = sf_iwm(3)%fnow(:,:,1) * ssmask(:,:) ! energy flux for critical slope wave breaking [W/m2]
- hbot_iwm(:,:) = sf_iwm(4)%fnow(:,:,1) ! spatially variable decay scale for high-mode wave breaking [m]
- hcri_iwm(:,:) = sf_iwm(5)%fnow(:,:,1) ! spatially variable decay scale for critical slope wave breaking [m]
+ ebot_iwm(:,:) = sf_iwm(1)%fnow(:,:,1) * ssmask(:,:) ! energy flux for dissipation above abyssal hills [W/m2]
+ ecri_iwm(:,:) = sf_iwm(2)%fnow(:,:,1) * ssmask(:,:) ! energy flux for dissipation at topographic slopes [W/m2]
+ ensq_iwm(:,:) = sf_iwm(3)%fnow(:,:,1) * ssmask(:,:) ! energy flux for dissipation scaling with N^2 [W/m2]
+ esho_iwm(:,:) = sf_iwm(4)%fnow(:,:,1) * ssmask(:,:) ! energy flux for dissipation due to shoaling [W/m2]
+ hbot_iwm(:,:) = sf_iwm(5)%fnow(:,:,1) ! spatially variable decay scale for abyssal hill dissipation [m]
+ hcri_iwm(:,:) = sf_iwm(6)%fnow(:,:,1) ! spatially variable decay scale for topographic-slope [m]
+
+ hcri_iwm(:,:) = 1._wp / hcri_iwm(:,:) ! only the inverse height is used, hence calculated here once for all
+
+ ! diags
+ ztmp(:,:,1) = e1e2t(:,:) * ebot_iwm(:,:)
+ ztmp(:,:,2) = e1e2t(:,:) * ecri_iwm(:,:)
+ ztmp(:,:,3) = e1e2t(:,:) * ensq_iwm(:,:)
+ ztmp(:,:,4) = e1e2t(:,:) * esho_iwm(:,:)
- zbot = glob_sum( 'zdfiwm', e1e2t(:,:) * ebot_iwm(:,:) )
- zpyc = glob_sum( 'zdfiwm', e1e2t(:,:) * epyc_iwm(:,:) )
- zcri = glob_sum( 'zdfiwm', e1e2t(:,:) * ecri_iwm(:,:) )
+ zdia(1:4) = glob_sum_vec( 'zdfiwm', ztmp(:,:,1:4) )
IF(lwp) THEN
- WRITE(numout,*) ' High-mode wave-breaking energy: ', zbot * 1.e-12_wp, 'TW'
- WRITE(numout,*) ' Pycnocline-intensifed wave-breaking energy: ', zpyc * 1.e-12_wp, 'TW'
- WRITE(numout,*) ' Critical slope wave-breaking energy: ', zcri * 1.e-12_wp, 'TW'
+ WRITE(numout,*) ' Dissipation above abyssal hills: ', zdia(1) * 1.e-12_wp, 'TW'
+ WRITE(numout,*) ' Dissipation along topographic slopes: ', zdia(2) * 1.e-12_wp, 'TW'
+ WRITE(numout,*) ' Dissipation scaling with N^2: ', zdia(3) * 1.e-12_wp, 'TW'
+ WRITE(numout,*) ' Dissipation due to shoaling: ', zdia(4) * 1.e-12_wp, 'TW'
ENDIF
!
END SUBROUTINE zdf_iwm_init
--
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