!||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| module forcing_s_interior !BOP ! !MODULE: forcing_s_interior ! ! !DESCRIPTION: ! Contains routines and variables used for determining the ! interior salinity restoring. ! ! !REVISION HISTORY: ! SVN:$Id: forcing_s_interior.F90 12674 2008-10-31 22:21:32Z njn01 $ ! ! !USES: use kinds_mod use blocks use domain use constants use io use forcing_tools use time_management use prognostic use grid use exit_mod implicit none private save ! !PUBLIC MEMBER FUNCTIONS: public :: init_s_interior, & get_s_interior_data, & set_s_interior ! !PUBLIC DATA MEMBERS: real (r8), public :: &! public for use in restart s_interior_interp_last ! time last interpolation done !EOP !BOC !----------------------------------------------------------------------- ! ! internal module variables ! !----------------------------------------------------------------------- real (r8), dimension(:,:,:,:,:), allocatable :: & S_INTERIOR_DATA ! data to use for interior restoring real (r8), dimension(:,:,:), allocatable :: & S_RESTORE_RTAU ! inverse restoring timescale for ! spatially-varying restoring integer (int_kind), dimension(:,:,:), allocatable :: & S_RESTORE_MAX_LEVEL ! maximum level for applying variable ! interior restoring real (r8), dimension(12) :: & s_interior_data_time real (r8), dimension(20) :: & s_interior_data_renorm ! factors to convert data to model units real (r8) :: & s_interior_data_inc, &! time increment between values of forcing data s_interior_data_next, &! time to be used for the next value of forcing data that is needed s_interior_data_update, &! time when new forcing value to be added to interpolation set s_interior_interp_inc, &! time increment between interpolation s_interior_interp_next, &! time next interpolation to be done s_interior_restore_tau, &! restoring timescale s_interior_restore_rtau ! reciprocal of restoring timescale integer (int_kind) :: & s_interior_interp_order, &! order of temporal interpolation s_interior_data_time_min_loc, &! index of x_data_time with the minimum forcing time s_interior_restore_max_level character (char_len) :: & s_interior_data_type, &! keyword for period of forcing data s_interior_filename, &! name of file containing forcing data s_interior_file_fmt, &! format (bin or nc) of forcing file s_interior_interp_freq, &! keyword for period of temporal interpolation s_interior_interp_type, &! s_interior_data_label, &! s_interior_formulation, &! s_interior_restore_filename, &! s_interior_restore_file_fmt ! character (char_len), dimension(:), allocatable :: & s_interior_data_names ! names for required input data fields integer (int_kind), dimension(:), allocatable :: & s_interior_bndy_loc, &! location and field type for ghost s_interior_bndy_type ! cell updates logical (log_kind) :: & s_interior_variable_restore !EOC !*********************************************************************** contains !*********************************************************************** !BOP ! !IROUTINE: init_s_interior ! !INTERFACE: subroutine init_s_interior ! !DESCRIPTION: ! Initializes salinity interior forcing by either calculating or ! reading in the 3D salinity. Also performs initial book-keeping ! concerning when new data is needed for the temporal interpolation ! and when the forcing will need to be updated. ! ! !REVISION HISTORY: ! same as module !----------------------------------------------------------------------- ! ! local variables ! !----------------------------------------------------------------------- integer (int_kind) :: & n, &! nml_error ! namelist i/o error flag character (char_len) :: & forcing_filename, &! final filename for forcing data long_name ! long name for input data type (datafile) :: & s_int_data_file ! data file descriptor for s interior data type (io_field_desc) :: & s_int_data_in ! io field descriptor for input salinity data type (io_dim) :: & i_dim, j_dim, &! dimension descriptors for horiz dimensions k_dim ! dimension descriptor for vertical levels namelist /forcing_s_interior_nml/ s_interior_data_type, & s_interior_data_inc, s_interior_interp_type, & s_interior_interp_freq, s_interior_interp_inc, & s_interior_restore_tau, s_interior_filename, & s_interior_file_fmt, s_interior_restore_max_level, & s_interior_data_renorm, s_interior_formulation, & s_interior_variable_restore, s_interior_restore_filename, & s_interior_restore_file_fmt !----------------------------------------------------------------------- ! ! read interior S namelist input after setting default values. ! !----------------------------------------------------------------------- s_interior_formulation = 'restoring' s_interior_data_type = 'none' s_interior_data_inc = 1.e20_r8 s_interior_interp_type = 'nearest' s_interior_interp_freq = 'never' s_interior_interp_inc = 1.e20_r8 s_interior_restore_tau = 1.e20_r8 s_interior_filename = 'unknown-s_interior' s_interior_file_fmt = 'bin' s_interior_restore_max_level = 0 s_interior_data_renorm = c1 ! s_interior_data_renorm = 1.e-3_r8 ! convert from psu to g/g s_interior_variable_restore = .false. s_interior_restore_filename = 'unknown-s_interior_restore' s_interior_restore_file_fmt = 'bin' if (my_task == master_task) then open (nml_in, file=nml_filename, status='old', iostat=nml_error) if (nml_error /= 0) then nml_error = -1 else nml_error = 1 endif !*** keep reading until find right namelist do while (nml_error > 0) read(nml_in, nml=forcing_s_interior_nml,iostat=nml_error) end do if (nml_error == 0) close(nml_in) end if call broadcast_scalar(nml_error, master_task) if (nml_error /= 0) then call exit_POP(sigAbort,'ERROR: reading forcing_s_interior_nml') endif call broadcast_scalar(s_interior_formulation, master_task) call broadcast_scalar(s_interior_data_type, master_task) call broadcast_scalar(s_interior_data_inc, master_task) call broadcast_scalar(s_interior_interp_type, master_task) call broadcast_scalar(s_interior_interp_freq, master_task) call broadcast_scalar(s_interior_interp_inc, master_task) call broadcast_scalar(s_interior_restore_tau, master_task) call broadcast_scalar(s_interior_filename, master_task) call broadcast_scalar(s_interior_file_fmt, master_task) call broadcast_scalar(s_interior_restore_max_level, master_task) call broadcast_scalar(s_interior_variable_restore, master_task) call broadcast_scalar(s_interior_restore_filename, master_task) call broadcast_scalar(s_interior_restore_file_fmt, master_task) call broadcast_array (s_interior_data_renorm, master_task) !----------------------------------------------------------------------- ! ! convert data_type to 'monthly-calendar' if input is 'monthly' ! !----------------------------------------------------------------------- if (s_interior_data_type == 'monthly') & s_interior_data_type = 'monthly-calendar' !----------------------------------------------------------------------- ! ! calculate inverse of restoring time scale and convert to seconds. ! !----------------------------------------------------------------------- s_interior_restore_rtau = c1/(seconds_in_day*s_interior_restore_tau) !----------------------------------------------------------------------- ! ! convert interp_type to corresponding integer value. ! !----------------------------------------------------------------------- select case (s_interior_interp_type) case ('nearest') s_interior_interp_order = 1 case ('linear') s_interior_interp_order = 2 case ('4point') s_interior_interp_order = 4 case default call exit_POP(sigAbort, & 'init_s_interior: Unknown value for s_interior_interp_type') end select !----------------------------------------------------------------------- ! ! set values of the interior S array (S_INTERIOR_DATA) ! depending on the type of S data. ! !----------------------------------------------------------------------- select case (s_interior_data_type) case ('none') !*** no interior forcing, therefore no interpolation in time is !*** needed, nor are there any new values to be used. s_interior_data_next = never s_interior_data_update = never s_interior_interp_freq = 'never' case ('annual') !*** annual mean climatological salinity (read in from a file) !*** constant in time, therefore no new values will be needed allocate(S_INTERIOR_DATA(nx_block,ny_block,km, & max_blocks_clinic,1)) allocate(s_interior_data_names(1), & s_interior_bndy_loc (1), & s_interior_bndy_type (1)) S_INTERIOR_DATA = c0 s_interior_data_names(1) = 'SALINITY' s_interior_bndy_loc (1) = field_loc_center s_interior_bndy_type (1) = field_type_scalar forcing_filename = s_interior_filename s_int_data_file = construct_file(s_interior_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(s_int_data_file, 'open_read') i_dim = construct_io_dim('i', nx_global) j_dim = construct_io_dim('j', ny_global) k_dim = construct_io_dim('k', km) s_int_data_in = construct_io_field( & trim(s_interior_data_names(1)), & dim1=i_dim, dim2=j_dim, dim3=k_dim, & field_loc = s_interior_bndy_loc(1), & field_type = s_interior_bndy_type(1), & d3d_array = S_INTERIOR_DATA(:,:,:,:,1)) call data_set (s_int_data_file, 'define', s_int_data_in) call data_set (s_int_data_file, 'read', s_int_data_in) call data_set (s_int_data_file, 'close') call destroy_io_field(s_int_data_in) call destroy_file(s_int_data_file) if (s_interior_data_renorm(1) /= c1) & S_INTERIOR_DATA = S_INTERIOR_DATA*s_interior_data_renorm(1) s_interior_data_next = never s_interior_data_update = never s_interior_interp_freq = 'never' if (my_task == master_task) then write(stdout,blank_fmt) write(stdout,'(a30,a)') ' Interior S Annual file read: ', & trim(forcing_filename) endif case ('monthly-equal','monthly-calendar') !*** monthly mean climatological interior salinity !*** all 12 months are read from a file. interpolation order !*** may be specified with namelist input. allocate(S_INTERIOR_DATA(nx_block,ny_block,km, & max_blocks_clinic,0:12)) allocate(s_interior_data_names(12), & s_interior_bndy_loc (12), & s_interior_bndy_type (12)) S_INTERIOR_DATA = c0 call find_forcing_times( s_interior_data_time, & s_interior_data_inc, s_interior_interp_type, & s_interior_data_next, s_interior_data_time_min_loc, & s_interior_data_update, s_interior_data_type) forcing_filename = s_interior_filename s_int_data_file = construct_file(s_interior_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(s_int_data_file, 'open_read') i_dim = construct_io_dim('i', nx_global) j_dim = construct_io_dim('j', ny_global) k_dim = construct_io_dim('k', km) do n = 1, 12 write(s_interior_data_names(n),'(a9,i2)') 'SALINITY ',n s_interior_bndy_loc (n) = field_loc_center s_interior_bndy_type(n) = field_type_scalar s_int_data_in = construct_io_field( & trim(s_interior_data_names(n)), & dim1=i_dim, dim2=j_dim, dim3=k_dim, & field_loc = s_interior_bndy_loc(n), & field_type = s_interior_bndy_type(n), & d3d_array = S_INTERIOR_DATA(:,:,:,:,n)) call data_set (s_int_data_file, 'define', s_int_data_in) call data_set (s_int_data_file, 'read', s_int_data_in) call destroy_io_field(s_int_data_in) enddo call data_set (s_int_data_file, 'close') call destroy_file(s_int_data_file) if (s_interior_data_renorm(1) /= c1) & S_INTERIOR_DATA = S_INTERIOR_DATA*s_interior_data_renorm(1) if (my_task == master_task) then write(stdout,blank_fmt) write(stdout,'(a31,a)') ' Interior S Monthly file read: ', & trim(forcing_filename) endif case ('n-hour') !*** interior salinity specified every n-hours, where !*** the n-hour increment (s_interior_data_inc) should be !*** specified with namelist input. Only as many times as are !*** necessary based on the order of the temporal interpolation !*** scheme reside in memory at any given time. allocate(S_INTERIOR_DATA(nx_block,ny_block,km,max_blocks_clinic, & 0:s_interior_interp_order)) allocate(s_interior_data_names(1), & s_interior_bndy_loc (1), & s_interior_bndy_type (1)) S_INTERIOR_DATA = c0 s_interior_data_names(1) = 'SALINITY' s_interior_bndy_loc (1) = field_loc_center s_interior_bndy_type (1) = field_type_scalar call find_forcing_times( s_interior_data_time, & s_interior_data_inc, s_interior_interp_type, & s_interior_data_next, s_interior_data_time_min_loc, & s_interior_data_update, s_interior_data_type) do n = 1, s_interior_interp_order call get_forcing_filename(forcing_filename, & s_interior_filename, & s_interior_data_time(n), & s_interior_data_inc) s_int_data_file = construct_file(s_interior_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(s_int_data_file, 'open_read') i_dim = construct_io_dim('i', nx_global) j_dim = construct_io_dim('j', ny_global) k_dim = construct_io_dim('k', km) s_int_data_in = construct_io_field( & trim(s_interior_data_names(1)), & dim1=i_dim, dim2=j_dim, dim3=k_dim, & field_loc = s_interior_bndy_loc(1), & field_type = s_interior_bndy_type(1), & d3d_array = S_INTERIOR_DATA(:,:,:,:,n)) call data_set (s_int_data_file, 'define', s_int_data_in) call data_set (s_int_data_file, 'read', s_int_data_in) call data_set (s_int_data_file, 'close') call destroy_io_field(s_int_data_in) call destroy_file(s_int_data_file) if (my_task == master_task) then write(stdout,blank_fmt) write(stdout,'(a30,a)') ' Interior S n-hour file read: ', & trim(forcing_filename) endif enddo if (s_interior_data_renorm(1) /= c1) & S_INTERIOR_DATA = S_INTERIOR_DATA*s_interior_data_renorm(1) case default call exit_POP(sigAbort, & 'init_s_interior: Unknown value for s_interior_data_type') end select !----------------------------------------------------------------------- ! ! now check interpolation period (s_interior_interp_freq) to set the ! time for the next temporal interpolation (s_interior_interp_next). ! ! if no interpolation is to be done, set next interpolation time ! to a large number so the interior S update test in routine ! get_forcing_data will always be false. ! ! if interpolation is to be done every n-hours, find the first ! interpolation time greater than the current time. ! ! if interpolation is to be done every timestep, set next interpolation ! time to a large negative number so the interior S update ! test in routine set_surface_forcing will always be true. ! !----------------------------------------------------------------------- select case (s_interior_interp_freq) case ('never') s_interior_interp_next = never s_interior_interp_last = never s_interior_interp_inc = c0 case ('n-hour') call find_interp_time(s_interior_interp_inc,s_interior_interp_next) case ('every-timestep') s_interior_interp_next = always s_interior_interp_inc = c0 case default call exit_POP(sigAbort, & 'init_s_interior: Unknown value for s_interior_interp_freq') end select if(nsteps_total == 0) s_interior_interp_last = thour00 !----------------------------------------------------------------------- ! ! allocate and read in arrays used for variable interior restoring ! if necessary. ! !----------------------------------------------------------------------- if (s_interior_variable_restore) then allocate(S_RESTORE_MAX_LEVEL(nx_block,ny_block,max_blocks_clinic), & S_RESTORE_RTAU(nx_block,ny_block,max_blocks_clinic)) forcing_filename = s_interior_restore_filename s_int_data_file = construct_file(s_interior_restore_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(s_int_data_file, 'open_read') i_dim = construct_io_dim('i', nx_global) j_dim = construct_io_dim('j', ny_global) s_int_data_in = construct_io_field('S_RESTORE_MAX_LEVEL', & dim1=i_dim, dim2=j_dim, & field_loc = field_loc_center, & field_type = field_type_scalar, & d2d_array = S_RESTORE_RTAU) call data_set (s_int_data_file, 'define', s_int_data_in) call data_set (s_int_data_file, 'read', s_int_data_in) S_RESTORE_MAX_LEVEL = nint(S_RESTORE_RTAU) call destroy_io_field(s_int_data_in) s_int_data_in = construct_io_field('S_RESTORE_RTAU', & dim1=i_dim, dim2=j_dim, & field_loc = field_loc_center, & field_type = field_type_scalar, & d2d_array = S_RESTORE_RTAU) call data_set (s_int_data_file, 'define', s_int_data_in) call data_set (s_int_data_file, 'read', s_int_data_in) S_RESTORE_RTAU = S_RESTORE_RTAU/seconds_in_day ! convert days to secs call destroy_io_field(s_int_data_in) call data_set (s_int_data_file, 'close') call destroy_file(s_int_data_file) endif !----------------------------------------------------------------------- ! ! echo forcing options to stdout. ! !----------------------------------------------------------------------- s_interior_data_label = 'Interior Salinity Forcing' if (s_interior_variable_restore .and. my_task == master_task) & write(stdout,"('Variable Interior Salinity Restoring enabled')") call echo_forcing_options(s_interior_data_type, & s_interior_formulation, s_interior_data_inc, & s_interior_interp_freq, s_interior_interp_type, & s_interior_interp_inc, s_interior_data_label) !----------------------------------------------------------------------- !EOC end subroutine init_s_interior !*********************************************************************** !BOP ! !IROUTINE: get_s_interior_data ! !INTERFACE: subroutine get_s_interior_data ! !DESCRIPTION: ! Determines whether new interior forcing data is required and ! reads the data if necessary. Also interpolates data to current ! time if required. ! ! !REVISION HISTORY: ! same as module !EOP !BOC !----------------------------------------------------------------------- ! ! local variables ! !----------------------------------------------------------------------- !----------------------------------------------------------------------- ! ! check if new data is necessary for interpolation. if yes, then ! shuffle indices in SSS_RESTORE and s_interior_data_time arrays ! and read in new data if necessary ('n-hour' case). also ! increment values of s_interior_data_time_min_loc, ! s_interior_data_next and s_interior_data_update. note that no new ! data is necessary for 'analytic' and 'annual' cases. ! !----------------------------------------------------------------------- select case(s_interior_data_type) case ('monthly-equal','monthly-calendar') s_interior_data_label = 'S_INTERIOR Monthly' if (thour00 >= s_interior_data_update) then call update_forcing_data( s_interior_data_time, & s_interior_data_time_min_loc, s_interior_interp_type, & s_interior_data_next, s_interior_data_update, & s_interior_data_type, s_interior_data_inc, & S_INTERIOR_DATA(:,:,:,:,1:12),s_interior_data_renorm, & s_interior_data_label, s_interior_data_names, & s_interior_bndy_loc, s_interior_bndy_type, & s_interior_filename, s_interior_file_fmt) endif if (thour00 >= s_interior_interp_next .or. nsteps_run==0) then call interpolate_forcing(S_INTERIOR_DATA(:,:,:,:,0), & S_INTERIOR_DATA(:,:,:,:,1:12), & s_interior_data_time, s_interior_interp_type, & s_interior_data_time_min_loc, s_interior_interp_freq, & s_interior_interp_inc, s_interior_interp_next, & s_interior_interp_last, nsteps_run) if (nsteps_run /= 0) s_interior_interp_next = & s_interior_interp_next + & s_interior_interp_inc endif case('n-hour') s_interior_data_label = 'S_INTERIOR n-hour' if (thour00 >= s_interior_data_update) then call update_forcing_data( s_interior_data_time, & s_interior_data_time_min_loc, s_interior_interp_type, & s_interior_data_next, s_interior_data_update, & s_interior_data_type, s_interior_data_inc, & S_INTERIOR_DATA(:,:,:,:,1:s_interior_interp_order), & s_interior_data_renorm, & s_interior_data_label, s_interior_data_names, & s_interior_bndy_loc, s_interior_bndy_type, & s_interior_filename, s_interior_file_fmt) endif if (thour00 >= s_interior_interp_next .or. nsteps_run==0) then call interpolate_forcing(S_INTERIOR_DATA(:,:,:,:,0), & S_INTERIOR_DATA(:,:,:,:,1:s_interior_interp_order), & s_interior_data_time, s_interior_interp_type, & s_interior_data_time_min_loc, s_interior_interp_freq, & s_interior_interp_inc, s_interior_interp_next, & s_interior_interp_last, nsteps_run) if (nsteps_run /= 0) s_interior_interp_next = & s_interior_interp_next + & s_interior_interp_inc endif end select !----------------------------------------------------------------------- !EOC end subroutine get_s_interior_data !*********************************************************************** !BOP ! !IROUTINE: set_s_interior ! !INTERFACE: subroutine set_s_interior(k,this_block,S_SOURCE) ! !DESCRIPTION: ! Computes interior salinity forcing term (DS\_INTERIOR) using ! updated and interpolated data. ! ! !REVISION HISTORY: ! same as module ! !INPUT PARAMETERS: integer (int_kind), intent(in) :: & k ! vertical level index type (block), intent(in) :: & this_block ! block information for this block ! !OUTPUT PARAMETERS: real (r8), dimension(nx_block,ny_block), intent(inout) :: & S_SOURCE ! source terms for salinity forcing - add restoring ! to any other source terms !----------------------------------------------------------------------- ! ! local variables ! !----------------------------------------------------------------------- integer (int_kind) :: & bid, &! local block address for this block now ! index for location of interpolated data real (r8), dimension(nx_block,ny_block) :: & DS_INTERIOR ! interior salinity restoring term for this block ! and level !----------------------------------------------------------------------- ! ! do interior restoring if required (no restoring at surface for any) ! !----------------------------------------------------------------------- if (s_interior_data_type /= 'none' .and. k > 1) then !----------------------------------------------------------------------- ! ! set index for location of interpolated data. ! !----------------------------------------------------------------------- select case(s_interior_data_type) case('annual') now = 1 case ('monthly-equal','monthly-calendar') now = 0 case('n-hour') now = 0 end select !----------------------------------------------------------------------- ! ! now compute restoring ! !----------------------------------------------------------------------- bid = this_block%local_id if (s_interior_variable_restore) then DS_INTERIOR = S_RESTORE_RTAU(:,:,bid)* & merge((S_INTERIOR_DATA(:,:,k,bid,now) - & TRACER(:,:,k,2,curtime,bid)), & c0, k <= S_RESTORE_MAX_LEVEL(:,:,bid)) else if (k <= s_interior_restore_max_level) then DS_INTERIOR = s_interior_restore_rtau* & (S_INTERIOR_DATA(:,:,k,bid,now) - & TRACER(:,:,k,2,curtime,bid)) else DS_INTERIOR = c0 endif endif !*** add restoring term to other source terms S_SOURCE = S_SOURCE + DS_INTERIOR endif ! k=1 !----------------------------------------------------------------------- !EOC end subroutine set_s_interior !*********************************************************************** end module forcing_s_interior !|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||