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3D thickness x momentum diagnostics #1398

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merged 4 commits into from
May 18, 2021
Merged

3D thickness x momentum diagnostics #1398

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f8854e7
3D thickness x momentum diagnostics
hmkhatri May 11, 2021
f1b2320
Added description of diagnostics arrays and corrected units in comments
hmkhatri May 17, 2021
aa32127
Comments about new diagnostics
hmkhatri May 17, 2021
cf3b41f
Merge branch 'dev/gfdl' into add_diagnostic
marshallward May 18, 2021
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76 changes: 76 additions & 0 deletions src/core/MOM_CoriolisAdv.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,8 @@ module MOM_CoriolisAdv
integer :: id_intz_gKEu_2d = -1, id_intz_gKEv_2d = -1
! integer :: id_hf_rvxu = -1, id_hf_rvxv = -1
integer :: id_hf_rvxu_2d = -1, id_hf_rvxv_2d = -1
integer :: id_h_gKEu = -1, id_h_gKEv = -1
integer :: id_h_rvxu = -1, id_h_rvxv = -1
integer :: id_intz_rvxu_2d = -1, id_intz_rvxv_2d = -1
!>@}
end type CoriolisAdv_CS
Expand Down Expand Up @@ -230,6 +232,10 @@ subroutine CorAdCalc(u, v, h, uh, vh, CAu, CAv, OBC, AD, G, GV, US, CS)
! 3D diagnostics hf_gKEu etc. are commented because there is no clarity on proper remapping grid option.
! The code is retained for degugging purposes in the future.

! Diagnostics for thickness multiplied momentum budget terms
real, allocatable, dimension(:,:,:) :: h_gKEu, h_rvxv ! [L2 T-2 ~> m2 s-2].
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@Hallberg-NOAA Hallberg-NOAA May 14, 2021 •
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The documented units of these diagnostics are incorrect. They should be [H L T-2 ~> m2 s-2].

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Thanks. I have made the corrections.

real, allocatable, dimension(:,:,:) :: h_gKEv, h_rvxu ! [L2 T-2 ~> m2 s-2].

! Diagnostics for depth-integrated momentum budget terms
real, dimension(SZIB_(G),SZJ_(G)) :: intz_gKEu_2d, intz_rvxv_2d ! [L2 T-2 ~> m2 s-2].
real, dimension(SZI_(G),SZJB_(G)) :: intz_gKEv_2d, intz_rvxu_2d ! [L2 T-2 ~> m2 s-2].
Expand Down Expand Up @@ -955,6 +961,44 @@ subroutine CorAdCalc(u, v, h, uh, vh, CAu, CAv, OBC, AD, G, GV, US, CS)
deallocate(hf_rvxu_2d)
endif

if (CS%id_h_gKEu > 0) then
allocate(h_gKEu(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
h_gKEu(:,:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
h_gKEu(I,j,k) = AD%gradKEu(I,j,k) * AD%diag_hu(I,j,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_gKEu, h_gKEu, CS%diag)
deallocate(h_gKEu)
endif
if (CS%id_h_gKEv > 0) then
allocate(h_gKEv(G%isd:G%ied,G%JsdB:G%JedB,GV%ke))
h_gKEv(:,:,:) = 0.0
do k=1,nz ; do J=Jsq,Jeq ; do i=is,ie
h_gKEv(i,J,k) = AD%gradKEv(i,J,k) * AD%diag_hv(i,J,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_gKEv, h_gKEv, CS%diag)
deallocate(h_gKEv)
endif

if (CS%id_h_rvxv > 0) then
allocate(h_rvxv(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
h_rvxv(:,:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
h_rvxv(I,j,k) = AD%rv_x_v(I,j,k) * AD%diag_hu(I,j,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_rvxv, h_rvxv, CS%diag)
deallocate(h_rvxv)
endif
if (CS%id_h_rvxu > 0) then
allocate(h_rvxu(G%isd:G%ied,G%JsdB:G%JedB,GV%ke))
h_rvxu(:,:,:) = 0.0
do k=1,nz ; do J=Jsq,Jeq ; do i=is,ie
h_rvxu(i,J,k) = AD%rv_x_u(i,J,k) * AD%diag_hv(i,J,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_rvxu, h_rvxu, CS%diag)
deallocate(h_rvxu)
endif

if (CS%id_intz_rvxv_2d > 0) then
intz_rvxv_2d(:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
Expand Down Expand Up @@ -1262,6 +1306,14 @@ subroutine CoriolisAdv_init(Time, G, GV, US, param_file, diag, AD, CS)
call safe_alloc_ptr(AD%diag_hfrac_v,isd,ied,JsdB,JedB,nz)
endif

CS%id_h_gKEu = register_diag_field('ocean_model', 'h_gKEu', diag%axesCuL, Time, &
'Thickness Multiplied Zonal Acceleration from Grad. Kinetic Energy', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
if (CS%id_h_gKEu > 0) then
call safe_alloc_ptr(AD%gradKEu,IsdB,IedB,jsd,jed,nz)
call safe_alloc_ptr(AD%diag_hu,IsdB,IedB,jsd,jed,nz)
endif

CS%id_intz_gKEu_2d = register_diag_field('ocean_model', 'intz_gKEu_2d', diag%axesCu1, Time, &
'Depth-integral of Zonal Acceleration from Grad. Kinetic Energy', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand All @@ -1270,6 +1322,14 @@ subroutine CoriolisAdv_init(Time, G, GV, US, param_file, diag, AD, CS)
call safe_alloc_ptr(AD%diag_hu,IsdB,IedB,jsd,jed,nz)
endif

CS%id_h_gKEv = register_diag_field('ocean_model', 'h_gKEv', diag%axesCvL, Time, &
'Thickness Multiplied Meridional Acceleration from Grad. Kinetic Energy', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
if (CS%id_h_gKEv > 0) then
call safe_alloc_ptr(AD%gradKEv,isd,ied,JsdB,JedB,nz)
call safe_alloc_ptr(AD%diag_hv,isd,ied,JsdB,JedB,nz)
endif

CS%id_intz_gKEv_2d = register_diag_field('ocean_model', 'intz_gKEv_2d', diag%axesCv1, Time, &
'Depth-integral of Meridional Acceleration from Grad. Kinetic Energy', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand Down Expand Up @@ -1310,6 +1370,14 @@ subroutine CoriolisAdv_init(Time, G, GV, US, param_file, diag, AD, CS)
call safe_alloc_ptr(AD%diag_hfrac_u,IsdB,IedB,jsd,jed,nz)
endif

CS%id_h_rvxu = register_diag_field('ocean_model', 'h_rvxu', diag%axesCvL, Time, &
'Thickness Multiplied Meridional Acceleration from Relative Vorticity', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
if (CS%id_h_rvxu > 0) then
call safe_alloc_ptr(AD%rv_x_u,isd,ied,JsdB,JedB,nz)
call safe_alloc_ptr(AD%diag_hv,isd,ied,JsdB,JedB,nz)
endif

CS%id_intz_rvxu_2d = register_diag_field('ocean_model', 'intz_rvxu_2d', diag%axesCv1, Time, &
'Depth-integral of Meridional Acceleration from Relative Vorticity', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand All @@ -1318,6 +1386,14 @@ subroutine CoriolisAdv_init(Time, G, GV, US, param_file, diag, AD, CS)
call safe_alloc_ptr(AD%diag_hv,isd,ied,JsdB,JedB,nz)
endif

CS%id_h_rvxv = register_diag_field('ocean_model', 'h_rvxv', diag%axesCuL, Time, &
'Thickness Multiplied Zonal Acceleration from Relative Vorticity', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
if (CS%id_h_rvxv > 0) then
call safe_alloc_ptr(AD%rv_x_v,IsdB,IedB,jsd,jed,nz)
call safe_alloc_ptr(AD%diag_hu,IsdB,IedB,jsd,jed,nz)
endif

CS%id_intz_rvxv_2d = register_diag_field('ocean_model', 'intz_rvxv_2d', diag%axesCu1, Time, &
'Depth-integral of Fractional Thickness-weighted Zonal Acceleration from Relative Vorticity', &
'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand Down
95 changes: 94 additions & 1 deletion src/core/MOM_dynamics_split_RK2.F90
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Expand Up @@ -160,16 +160,19 @@ module MOM_dynamics_split_RK2
integer :: id_PFu = -1, id_PFv = -1
integer :: id_CAu = -1, id_CAv = -1
! integer :: id_hf_PFu = -1, id_hf_PFv = -1
integer :: id_h_PFu = -1, id_h_PFv = -1
integer :: id_hf_PFu_2d = -1, id_hf_PFv_2d = -1
integer :: id_intz_PFu_2d = -1, id_intz_PFv_2d = -1
! integer :: id_hf_CAu = -1, id_hf_CAv = -1
integer :: id_h_CAu = -1, id_h_CAv = -1
integer :: id_hf_CAu_2d = -1, id_hf_CAv_2d = -1
integer :: id_intz_CAu_2d = -1, id_intz_CAv_2d = -1

! Split scheme only.
integer :: id_uav = -1, id_vav = -1
integer :: id_u_BT_accel = -1, id_v_BT_accel = -1
! integer :: id_hf_u_BT_accel = -1, id_hf_v_BT_accel = -1
integer :: id_h_u_BT_accel = -1, id_h_v_BT_accel = -1
integer :: id_hf_u_BT_accel_2d = -1, id_hf_v_BT_accel_2d = -1
integer :: id_intz_u_BT_accel_2d = -1, id_intz_v_BT_accel_2d = -1
!>@}
Expand Down Expand Up @@ -339,12 +342,15 @@ subroutine step_MOM_dyn_split_RK2(u, v, h, tv, visc, Time_local, dt, forces, p_s
hf_CAu_2d, hf_CAv_2d, & ! Depth integeral of hf_CAu, hf_CAv [L T-2 ~> m s-2].
hf_u_BT_accel_2d, hf_v_BT_accel_2d ! Depth integeral of hf_u_BT_accel, hf_v_BT_accel

real, allocatable, dimension(:,:,:) :: h_PFu, h_CAu, h_u_BT_accel ! [L2 T-2 ~> m2 s-2].
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@Hallberg-NOAA Hallberg-NOAA May 14, 2021 •
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The units in the comments for these diagnostics are incorrect. They should be [H L T-2 ~> m2 s-2].
Also, ideally there should be comments describing every variable separately, or at the very least there should be some description in comments of these variables

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Thanks. I have made the corrections.

real, allocatable, dimension(:,:,:) :: h_PFv, h_CAv, h_v_BT_accel ! [L2 T-2 ~> m2 s-2].

real, dimension(SZIB_(G),SZJ_(G)) :: &
intz_PFu_2d, intz_CAu_2d, intz_u_BT_accel_2d ! [L2 T-2 ~> m2 s-2].

real, dimension(SZI_(G),SZJB_(G)) :: &
intz_PFv_2d, intz_CAv_2d, intz_v_BT_accel_2d ! [L2 T-2 ~> m2 s-2].


real :: dt_pred ! The time step for the predictor part of the baroclinic time stepping [T ~> s].

logical :: dyn_p_surf
Expand Down Expand Up @@ -940,6 +946,25 @@ subroutine step_MOM_dyn_split_RK2(u, v, h, tv, visc, Time_local, dt, forces, p_s
deallocate(hf_PFv_2d)
endif

if (CS%id_h_PFu > 0) then
allocate(h_PFu(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
h_PFu(:,:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
h_PFu(I,j,k) = CS%PFu(I,j,k) * CS%ADp%diag_hu(I,j,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_PFu, h_PFu, CS%diag)
deallocate(h_PFu)
endif
if (CS%id_h_PFv > 0) then
allocate(h_PFv(G%isd:G%ied,G%JsdB:G%JedB,GV%ke))
h_PFv(:,:,:) = 0.0
do k=1,nz ; do J=Jsq,Jeq ; do i=is,ie
h_PFv(i,J,k) = CS%PFv(i,J,k) * CS%ADp%diag_hv(i,J,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_PFv, h_PFv, CS%diag)
deallocate(h_PFv)
endif

!if (CS%id_hf_CAu > 0) then
! allocate(hf_CAu(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
! do k=1,nz ; do j=js,je ; do I=Isq,Ieq
Expand Down Expand Up @@ -988,6 +1013,25 @@ subroutine step_MOM_dyn_split_RK2(u, v, h, tv, visc, Time_local, dt, forces, p_s
deallocate(hf_CAv_2d)
endif

if (CS%id_h_CAu > 0) then
allocate(h_CAu(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
h_CAu(:,:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
h_CAu(I,j,k) = CS%CAu(I,j,k) * CS%ADp%diag_hu(I,j,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_CAu, h_CAu, CS%diag)
deallocate(h_CAu)
endif
if (CS%id_h_CAv > 0) then
allocate(h_CAv(G%isd:G%ied,G%JsdB:G%JedB,GV%ke))
h_CAv(:,:,:) = 0.0
do k=1,nz ; do J=Jsq,Jeq ; do i=is,ie
h_CAv(i,J,k) = CS%CAv(i,J,k) * CS%ADp%diag_hv(i,J,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_CAv, h_CAv, CS%diag)
deallocate(h_CAv)
endif

!if (CS%id_hf_u_BT_accel > 0) then
! allocate(hf_u_BT_accel(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
! do k=1,nz ; do j=js,je ; do I=Isq,Ieq
Expand Down Expand Up @@ -1036,6 +1080,25 @@ subroutine step_MOM_dyn_split_RK2(u, v, h, tv, visc, Time_local, dt, forces, p_s
deallocate(hf_v_BT_accel_2d)
endif

if (CS%id_h_u_BT_accel > 0) then
allocate(h_u_BT_accel(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
h_u_BT_accel(:,:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
h_u_BT_accel(I,j,k) = CS%u_accel_bt(I,j,k) * CS%ADp%diag_hu(I,j,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_u_BT_accel, h_u_BT_accel, CS%diag)
deallocate(h_u_BT_accel)
endif
if (CS%id_h_v_BT_accel > 0) then
allocate(h_v_BT_accel(G%isd:G%ied,G%JsdB:G%JedB,GV%ke))
h_v_BT_accel(:,:,:) = 0.0
do k=1,nz ; do J=Jsq,Jeq ; do i=is,ie
h_v_BT_accel(i,J,k) = CS%v_accel_bt(i,J,k) * CS%ADp%diag_hv(i,J,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_v_BT_accel, h_v_BT_accel, CS%diag)
deallocate(h_v_BT_accel)
endif

if (CS%debug) then
call MOM_state_chksum("Corrector ", u, v, h, uh, vh, G, GV, US, symmetric=sym)
call uvchksum("Corrector avg [uv]", u_av, v_av, G%HI, haloshift=1, symmetric=sym, scale=US%L_T_to_m_s)
Expand Down Expand Up @@ -1442,6 +1505,16 @@ subroutine initialize_dyn_split_RK2(u, v, h, uh, vh, eta, Time, G, GV, US, param
conversion=US%L_T2_to_m_s2)
if(CS%id_hf_PFv_2d > 0) call safe_alloc_ptr(CS%ADp%diag_hfrac_v,isd,ied,JsdB,JedB,nz)

CS%id_h_PFu = register_diag_field('ocean_model', 'h_PFu', diag%axesCuL, Time, &
'Thickness Multiplied Zonal Pressure Force Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
if(CS%id_h_PFu > 0) call safe_alloc_ptr(CS%ADp%diag_hu,IsdB,IedB,jsd,jed,nz)

CS%id_h_PFv = register_diag_field('ocean_model', 'h_PFv', diag%axesCvL, Time, &
'Thickness Multiplied Meridional Pressure Force Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
if(CS%id_h_PFv > 0) call safe_alloc_ptr(CS%ADp%diag_hv,isd,ied,JsdB,JedB,nz)

CS%id_intz_PFu_2d = register_diag_field('ocean_model', 'intz_PFu_2d', diag%axesCu1, Time, &
'Depth-integral of Zonal Pressure Force Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand All @@ -1462,6 +1535,16 @@ subroutine initialize_dyn_split_RK2(u, v, h, uh, vh, eta, Time, G, GV, US, param
conversion=US%L_T2_to_m_s2)
if(CS%id_hf_CAv_2d > 0) call safe_alloc_ptr(CS%ADp%diag_hfrac_v,isd,ied,JsdB,JedB,nz)

CS%id_h_CAu = register_diag_field('ocean_model', 'h_CAu', diag%axesCuL, Time, &
'Thickness Multiplied Zonal Coriolis and Advective Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
if(CS%id_h_CAu > 0) call safe_alloc_ptr(CS%ADp%diag_hu,IsdB,IedB,jsd,jed,nz)

CS%id_h_CAv = register_diag_field('ocean_model', 'h_CAv', diag%axesCvL, Time, &
'Thickness Multiplied Meridional Coriolis and Advective Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
if(CS%id_h_CAv > 0) call safe_alloc_ptr(CS%ADp%diag_hv,isd,ied,JsdB,JedB,nz)

CS%id_intz_CAu_2d = register_diag_field('ocean_model', 'intz_CAu_2d', diag%axesCu1, Time, &
'Depth-integral of Zonal Coriolis and Advective Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand Down Expand Up @@ -1502,6 +1585,16 @@ subroutine initialize_dyn_split_RK2(u, v, h, uh, vh, eta, Time, G, GV, US, param
conversion=US%L_T2_to_m_s2)
if(CS%id_hf_v_BT_accel_2d > 0) call safe_alloc_ptr(CS%ADp%diag_hfrac_v,isd,ied,JsdB,JedB,nz)

CS%id_h_u_BT_accel = register_diag_field('ocean_model', 'h_u_BT_accel', diag%axesCuL, Time, &
'Thickness Multiplied Barotropic Anomaly Zonal Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
if(CS%id_h_u_BT_accel > 0) call safe_alloc_ptr(CS%ADp%diag_hu,IsdB,IedB,jsd,jed,nz)

CS%id_h_v_BT_accel = register_diag_field('ocean_model', 'h_v_BT_accel', diag%axesCvL, Time, &
'Thickness Multiplied Barotropic Anomaly Meridional Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
if(CS%id_h_v_BT_accel > 0) call safe_alloc_ptr(CS%ADp%diag_hv,isd,ied,JsdB,JedB,nz)

CS%id_intz_u_BT_accel_2d = register_diag_field('ocean_model', 'intz_u_BT_accel_2d', diag%axesCu1, Time, &
'Depth-integral of Barotropic Anomaly Zonal Acceleration', 'm2 s-2', &
conversion=GV%H_to_m*US%L_T2_to_m_s2)
Expand Down
43 changes: 43 additions & 0 deletions src/diagnostics/MOM_diagnostics.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ module MOM_diagnostics
integer :: id_e = -1, id_e_D = -1
integer :: id_du_dt = -1, id_dv_dt = -1
! integer :: id_hf_du_dt = -1, id_hf_dv_dt = -1
integer :: id_h_du_dt = -1, id_h_dv_dt = -1
integer :: id_hf_du_dt_2d = -1, id_hf_dv_dt_2d = -1
integer :: id_col_ht = -1, id_dh_dt = -1
integer :: id_KE = -1, id_dKEdt = -1
Expand Down Expand Up @@ -248,6 +249,9 @@ subroutine calculate_diagnostic_fields(u, v, h, uh, vh, tv, ADp, CDp, p_surf, &
real, allocatable, dimension(:,:) :: &
hf_du_dt_2d, hf_dv_dt_2d ! z integeral of hf_du_dt, hf_dv_dt [L T-2 ~> m s-2].

real, allocatable, dimension(:,:,:) :: h_du_dt ! h x dudt [L2 T-2 ~> m2 s-2]
real, allocatable, dimension(:,:,:) :: h_dv_dt ! h x dvdt [L2 T-2 ~> m2 s-2]

! tmp array for surface properties
real :: surface_field(SZI_(G),SZJ_(G))
real :: pressure_1d(SZI_(G)) ! Temporary array for pressure when calling EOS [R L2 T-2 ~> Pa]
Expand Down Expand Up @@ -325,6 +329,25 @@ subroutine calculate_diagnostic_fields(u, v, h, uh, vh, tv, ADp, CDp, p_surf, &
deallocate(hf_dv_dt_2d)
endif

if (CS%id_h_du_dt > 0) then
allocate(h_du_dt(G%IsdB:G%IedB,G%jsd:G%jed,GV%ke))
h_du_dt(:,:,:) = 0.0
do k=1,nz ; do j=js,je ; do I=Isq,Ieq
h_du_dt(I,j,k) = CS%du_dt(I,j,k) * ADp%diag_hu(I,j,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_du_dt, h_du_dt, CS%diag)
deallocate(h_du_dt)
endif
if (CS%id_h_dv_dt > 0) then
allocate(h_dv_dt(G%isd:G%ied,G%JsdB:G%JedB,GV%ke))
h_dv_dt(:,:,:) = 0.0
do k=1,nz ; do J=Jsq,Jeq ; do i=is,ie
h_dv_dt(i,J,k) = CS%dv_dt(i,J,k) * ADp%diag_hv(i,J,k)
enddo ; enddo ; enddo
call post_data(CS%id_h_dv_dt, h_dv_dt, CS%diag)
deallocate(h_dv_dt)
endif

call diag_restore_grids(CS%diag)

call calculate_energy_diagnostics(u, v, h, uh, vh, ADp, CDp, G, GV, US, CS)
Expand Down Expand Up @@ -1789,6 +1812,26 @@ subroutine MOM_diagnostics_init(MIS, ADp, CDp, Time, G, GV, US, param_file, diag
call safe_alloc_ptr(ADp%diag_hfrac_v,isd,ied,JsdB,JedB,nz)
endif

CS%id_h_du_dt = register_diag_field('ocean_model', 'h_du_dt', diag%axesCuL, Time, &
'Thickness Multiplied Zonal Acceleration', 'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
if (CS%id_h_du_dt > 0) then
if (.not.associated(CS%du_dt)) then
call safe_alloc_ptr(CS%du_dt,IsdB,IedB,jsd,jed,nz)
call register_time_deriv(lbound(MIS%u), MIS%u, CS%du_dt, CS)
endif
call safe_alloc_ptr(ADp%diag_hu,IsdB,IedB,jsd,jed,nz)
endif

CS%id_h_dv_dt = register_diag_field('ocean_model', 'h_dv_dt', diag%axesCvL, Time, &
'Thickness Multiplied Meridional Acceleration', 'm2 s-2', conversion=GV%H_to_m*US%L_T2_to_m_s2)
if (CS%id_h_dv_dt > 0) then
if (.not.associated(CS%dv_dt)) then
call safe_alloc_ptr(CS%dv_dt,isd,ied,JsdB,JedB,nz)
call register_time_deriv(lbound(MIS%v), MIS%v, CS%dv_dt, CS)
endif
call safe_alloc_ptr(ADp%diag_hv,isd,ied,JsdB,JedB,nz)
endif

! layer thickness variables
!if (GV%nk_rho_varies > 0) then
CS%id_h_Rlay = register_diag_field('ocean_model', 'h_rho', diag%axesTL, Time, &
Expand Down
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