additions for stochastic physics and ePBL perts

Author: Philip Pegion

config_src/nuopc_driver/mom_surface_forcing_nuopc.F90

@@ -285,6 +285,8 @@ subroutine convert_IOB_to_fluxes(IOB, fluxes, index_bounds, Time, G, US, CS, &
 
     call safe_alloc_ptr(fluxes%p_surf     ,isd,ied,jsd,jed)
     call safe_alloc_ptr(fluxes%p_surf_full,isd,ied,jsd,jed)
+    print*,'allocate fluxes%t_rp'
+    call safe_alloc_ptr(fluxes%t_rp,isd,ied,jsd,jed)
     if (CS%use_limited_P_SSH) then
        fluxes%p_surf_SSH => fluxes%p_surf
     else

src/core/MOM.F90

@@ -27,6 +27,7 @@ module MOM
 use MOM_domains,              only : To_All, Omit_corners, CGRID_NE, SCALAR_PAIR
 use MOM_domains,              only : create_group_pass, do_group_pass, group_pass_type
 use MOM_domains,              only : start_group_pass, complete_group_pass, Omit_Corners
+use MOM_domains,              only : root_PE,PE_here,Get_PElist,num_PEs
 use MOM_error_handler,        only : MOM_error, MOM_mesg, FATAL, WARNING, is_root_pe
 use MOM_error_handler,        only : MOM_set_verbosity, callTree_showQuery
 use MOM_error_handler,        only : callTree_enter, callTree_leave, callTree_waypoint
@@ -130,6 +131,7 @@ module MOM
 use MOM_offline_main,          only : offline_fw_fluxes_into_ocean, offline_fw_fluxes_out_ocean
 use MOM_offline_main,          only : offline_advection_layer, offline_transport_end
 use MOM_ALE,                   only : ale_offline_tracer_final, ALE_main_offline
+use stochastic_physics,        only : init_stochastic_physics_ocn,run_stochastic_physics_ocn
 
 implicit none ; private
 
@@ -212,6 +214,8 @@ module MOM
   logical :: offline_tracer_mode = .false.
                     !< If true, step_offline() is called instead of step_MOM().
                     !! This is intended for running MOM6 in offline tracer mode
+  logical :: do_stochy = .false.
+                    !< If true, call stochastic physics pattern generator
 
   type(time_type), pointer :: Time   !< pointer to the ocean clock
   real    :: dt                      !< (baroclinic) dynamics time step [s]
@@ -703,6 +707,9 @@ subroutine step_MOM(forces, fluxes, sfc_state, Time_start, time_interval, CS, &
         enddo ; enddo
       endif
 
+      print*,'calling run_stochastic_physics_ocn',CS%do_stochy
+      if (CS%do_stochy) call run_stochastic_physics_ocn(forces%t_rp)
+
       call step_MOM_dynamics(forces, CS%p_surf_begin, CS%p_surf_end, dt, &
                              dt_therm_here, bbl_time_int, CS, &
                              Time_local, Waves=Waves)
@@ -843,7 +850,7 @@ subroutine step_MOM(forces, fluxes, sfc_state, Time_start, time_interval, CS, &
     if (CS%time_in_thermo_cycle > 0.0) then
       call enable_averaging(CS%time_in_thermo_cycle, Time_local, CS%diag)
       call post_surface_thermo_diags(CS%sfc_IDs, G, GV, US, CS%diag, CS%time_in_thermo_cycle, &
-                                    sfc_state, CS%tv, ssh, CS%ave_ssh_ibc)
+                                    sfc_state, CS%tv, ssh, fluxes%t_rp, CS%ave_ssh_ibc)
     endif
     call disable_averaging(CS%diag)
     call cpu_clock_end(id_clock_diagnostics)
@@ -1580,6 +1587,11 @@ subroutine initialize_MOM(Time, Time_init, param_file, dirs, CS, restart_CSp, &
   integer :: nkml, nkbl, verbosity, write_geom
   integer :: dynamics_stencil  ! The computational stencil for the calculations
                                ! in the dynamic core.
+  integer,allocatable :: pelist(:) ! list of pes for this instance of the ocean
+  integer             :: num_procs
+!  model
+  integer :: me                !  my pe
+  integer :: master            !  root pe
   real :: conv2watt, conv2salt
   character(len=48) :: flux_units, S_flux_units
 
@@ -2146,6 +2158,17 @@ subroutine initialize_MOM(Time, Time_init, param_file, dirs, CS, restart_CSp, &
   call copy_dyngrid_to_MOM_grid(dG, G, US)
   call destroy_dyn_horgrid(dG)
 
+  num_procs=num_PEs()
+  allocate(pelist(num_procs))
+  call Get_PElist(pelist)
+  me=PE_here()
+  master=root_PE()
+
+  !call init_stochastic_physics_ocn(CS%dt_therm,G,me,master,pelist,CS%do_stochy)
+  print*,'callling init_stochastic_physics_ocn',maxval(G%geoLatT)
+  call init_stochastic_physics_ocn(CS%dt_therm,G%geoLonT,G%geoLatT,G%ied-G%isd+1,G%jed-G%jsd+1,nz,CS%do_stochy)
+  print*,'back from init_stochastic_physics_ocn',CS%do_stochy
+
   ! Set a few remaining fields that are specific to the ocean grid type.
   call set_first_direction(G, first_direction)
   ! Allocate the auxiliary non-symmetric domain for debugging or I/O purposes.

src/core/MOM_forcing_type.F90

@@ -123,6 +123,8 @@ module MOM_forcing_type
                 !< Pressure at the top ocean interface [Pa] that is used in corrections to the sea surface
                 !! height field that is passed back to the calling routines.
                 !! p_surf_SSH may point to p_surf or to p_surf_full.
+  real, pointer, dimension(:,:) :: t_rp => NULL()
+                !< random pattern at t-points
   logical :: accumulate_p_surf = .false. !< If true, the surface pressure due to the atmosphere
                                  !! and various types of ice needs to be accumulated, and the
                                  !! surface pressure explicitly reset to zero at the driver level
@@ -217,6 +219,8 @@ module MOM_forcing_type
   real, pointer, dimension(:,:) :: &
     rigidity_ice_u => NULL(), & !< Depth-integrated lateral viscosity of ice shelves or sea ice at u-points [m3 s-1]
     rigidity_ice_v => NULL()    !< Depth-integrated lateral viscosity of ice shelves or sea ice at v-points [m3 s-1]
+  real, pointer, dimension(:,:) :: t_rp => NULL()
+                                 !< random pattern at t-points
   real :: dt_force_accum = -1.0 !< The amount of time over which the mechanical forcing fluxes
                                 !! have been averaged [s].
   logical :: net_mass_src_set = .false. !< If true, an estimate of net_mass_src has been provided.
@@ -2020,6 +2024,12 @@ subroutine copy_common_forcing_fields(forces, fluxes, G, skip_pres)
 
   do_pres = .true. ; if (present(skip_pres)) do_pres = .not.skip_pres
 
+  if (associated(forces%t_rp) .and. associated(fluxes%t_rp)) then
+    do j=js,je ; do i=is,ie
+      fluxes%t_rp(i,j) = forces%t_rp(i,j)
+    enddo ; enddo
+  endif
+
   if (associated(forces%ustar) .and. associated(fluxes%ustar)) then
     do j=js,je ; do i=is,ie
       fluxes%ustar(i,j) = forces%ustar(i,j)
@@ -2845,6 +2855,7 @@ subroutine allocate_mech_forcing(G, forces, stress, ustar, shelf, press, iceberg
   call myAlloc(forces%p_surf,isd,ied,jsd,jed, press)
   call myAlloc(forces%p_surf_full,isd,ied,jsd,jed, press)
   call myAlloc(forces%net_mass_src,isd,ied,jsd,jed, press)
+  call myAlloc(forces%t_rp,isd,ied,jsd,jed, press)
 
   call myAlloc(forces%rigidity_ice_u,IsdB,IedB,jsd,jed, shelf)
   call myAlloc(forces%rigidity_ice_v,isd,ied,JsdB,JedB, shelf)
@@ -2908,6 +2919,7 @@ subroutine deallocate_forcing_type(fluxes)
   if (associated(fluxes%seaice_melt))          deallocate(fluxes%seaice_melt)
   if (associated(fluxes%salt_flux))            deallocate(fluxes%salt_flux)
   if (associated(fluxes%p_surf_full))          deallocate(fluxes%p_surf_full)
+  if (associated(fluxes%t_rp))                 deallocate(fluxes%t_rp)
   if (associated(fluxes%p_surf))               deallocate(fluxes%p_surf)
   if (associated(fluxes%TKE_tidal))            deallocate(fluxes%TKE_tidal)
   if (associated(fluxes%ustar_tidal))          deallocate(fluxes%ustar_tidal)
@@ -2932,6 +2944,7 @@ subroutine deallocate_mech_forcing(forces)
   if (associated(forces%ustar)) deallocate(forces%ustar)
   if (associated(forces%p_surf))         deallocate(forces%p_surf)
   if (associated(forces%p_surf_full))    deallocate(forces%p_surf_full)
+  if (associated(forces%t_rp))           deallocate(forces%t_rp)
   if (associated(forces%net_mass_src))   deallocate(forces%net_mass_src)
   if (associated(forces%rigidity_ice_u)) deallocate(forces%rigidity_ice_u)
   if (associated(forces%rigidity_ice_v)) deallocate(forces%rigidity_ice_v)

src/diagnostics/MOM_diagnostics.F90

@@ -167,6 +167,8 @@ module MOM_diagnostics
   integer :: id_salt_deficit = -1
   integer :: id_Heat_PmE     = -1
   integer :: id_intern_heat  = -1
+!  stochastic pattern
+  integer :: id_t_rp         = -1
   !!@}
 end type surface_diag_IDs
 
@@ -1193,7 +1195,7 @@ end subroutine post_surface_dyn_diags
 !> This routine posts diagnostics of various ocean surface and integrated
 !! quantities at the time the ocean state is reported back to the caller
 subroutine post_surface_thermo_diags(IDs, G, GV, US, diag, dt_int, sfc_state, tv, &
-                                    ssh, ssh_ibc)
+                                    ssh, t_rp, ssh_ibc)
   type(surface_diag_IDs),   intent(in) :: IDs !< A structure with the diagnostic IDs.
   type(ocean_grid_type),    intent(in) :: G   !< ocean grid structure
   type(verticalGrid_type),  intent(in) :: GV  !< ocean vertical grid structure
@@ -1204,6 +1206,8 @@ subroutine post_surface_thermo_diags(IDs, G, GV, US, diag, dt_int, sfc_state, tv
   type(thermo_var_ptrs),    intent(in) :: tv  !< A structure pointing to various thermodynamic variables
   real, dimension(SZI_(G),SZJ_(G)), &
                             intent(in) :: ssh !< Time mean surface height without corrections for ice displacement [m]
+  real, dimension(SZI_(G),SZJ_(G)), &
+                            intent(in) :: t_rp!< random pattern for stochastic proceeses
   real, dimension(SZI_(G),SZJ_(G)), intent(in) :: ssh_ibc !< Time mean surface height with corrections
                                                   !! for ice displacement and the inverse barometer [m]
 
@@ -1328,6 +1332,11 @@ subroutine post_surface_thermo_diags(IDs, G, GV, US, diag, dt_int, sfc_state, tv
     call post_data(IDs%id_sss_sq, work_2d, diag, mask=G%mask2dT)
   endif
 
+  if (IDs%id_t_rp > 0) then
+     !call post_data(IDs%id_t_rp, t_rp, diag, mask=G%mask2dT)
+     call post_data(IDs%id_t_rp, t_rp, diag)
+  endif
+
   call coupler_type_send_data(sfc_state%tr_fields, get_diag_time_end(diag))
 
 end subroutine post_surface_thermo_diags
@@ -1789,6 +1798,8 @@ subroutine register_surface_diags(Time, G, IDs, diag, tv)
          'Heat flux into ocean from mass flux into ocean', 'W m-2')
   IDs%id_intern_heat = register_diag_field('ocean_model', 'internal_heat', diag%axesT1, Time,&
          'Heat flux into ocean from geothermal or other internal sources', 'W m-2')
+  IDs%id_t_rp = register_diag_field('ocean_model', 'random_pattern', diag%axesT1, Time, &
+      'random pattern for stochastics', 'None')
 
 end subroutine register_surface_diags
 

src/framework/MOM_domains.F90

@@ -3,7 +3,7 @@ module MOM_domains
 
 ! This file is part of MOM6. See LICENSE.md for the license.
 
-use MOM_coms, only : PE_here, root_PE, num_PEs, MOM_infra_init, MOM_infra_end
+use MOM_coms, only : PE_here, root_PE, num_PEs, MOM_infra_init, MOM_infra_end, Get_PElist
 use MOM_coms, only : broadcast, sum_across_PEs, min_across_PEs, max_across_PEs
 use MOM_cpu_clock, only : cpu_clock_begin, cpu_clock_end
 use MOM_error_handler, only : MOM_error, MOM_mesg, NOTE, WARNING, FATAL, is_root_pe
@@ -34,7 +34,7 @@ module MOM_domains
 
 public :: MOM_domains_init, MOM_infra_init, MOM_infra_end, get_domain_extent, get_domain_extent_dsamp2
 public :: MOM_define_domain, MOM_define_io_domain, clone_MOM_domain
-public :: pass_var, pass_vector, PE_here, root_PE, num_PEs
+public :: pass_var, pass_vector, PE_here, root_PE, num_PEs, Get_PElist
 public :: pass_var_start, pass_var_complete, fill_symmetric_edges, broadcast
 public :: pass_vector_start, pass_vector_complete
 public :: global_field_sum, sum_across_PEs, min_across_PEs, max_across_PEs

src/parameterizations/vertical/MOM_energetic_PBL.F90

@@ -427,7 +427,7 @@ subroutine energetic_PBL(h_3d, u_3d, v_3d, tv, fluxes, dt, Kd_int, G, GV, US, CS
       do K=1,nz+1 ; Kd(K) = 0.0 ; enddo
 
       ! Make local copies of surface forcing and process them.
-      u_star = fluxes%ustar(i,j)
+      u_star = fluxes%ustar(i,j)*(fluxes%t_rp(i,j))
       u_star_Mean = fluxes%ustar_gustless(i,j)
       B_flux = buoy_flux(i,j)
       if (associated(fluxes%ustar_shelf) .and. associated(fluxes%frac_shelf_h)) then