!||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| module forcing_pt_interior !BOP ! !MODULE: forcing_pt_interior ! ! !DESCRIPTION: ! Contains routines and variables used for determining the ! interior potential temperature restoring. ! ! !REVISION HISTORY: ! SVN:$Id: forcing_pt_interior.F90 12674 2008-10-31 22:21:32Z njn01 $ ! ! !USES use kinds_mod use domain use constants use broadcast use io use forcing_tools use time_management use prognostic use grid use exit_mod implicit none private save ! !PUBLIC MEMBER FUNCTIONS: public :: init_pt_interior, & get_pt_interior_data, & set_pt_interior ! !PUBLIC DATA MEMBERS: real (r8), public :: &! public for use in restart pt_interior_interp_last ! time last interpolation was done !EOP !BOC !----------------------------------------------------------------------- ! ! internal module variables ! !----------------------------------------------------------------------- real (r8), dimension(:,:,:,:,:), allocatable :: & PT_INTERIOR_DATA ! data to restore interior pot temp towards real (r8), dimension(:,:,:), allocatable :: & PT_RESTORE_RTAU ! inverse restoring timescale for variable ! interior restoring integer (int_kind), dimension(:,:,:), allocatable :: & PT_RESTORE_MAX_LEVEL ! maximum level for applying variable ! interior restoring real (r8), dimension(12) :: & pt_interior_data_time ! real (r8), dimension(20) :: & pt_interior_data_renorm ! factors to convert to model units real (r8) :: & pt_interior_data_inc, &! time increment between values of forcing data pt_interior_data_next, &! time to be used for the next value of forcing data that is needed pt_interior_data_update, &! time when new forcing value to be added to interpolation set pt_interior_interp_inc, &! time increment between interpolation pt_interior_interp_next, &! time next interpolation will be done pt_interior_restore_tau, &! restoring timescale (non-variable) pt_interior_restore_rtau ! reciprocal of restoring timescale integer (int_kind) :: & pt_interior_interp_order, &! order of temporal interpolation pt_interior_data_time_min_loc, &! index of the third dimension of pt_interior_data_time containing the minimum forcing time pt_interior_restore_max_level character (char_len) :: & pt_interior_data_type, &! keyword for period of forcing data pt_interior_filename, &! name of file conainting forcing data pt_interior_file_fmt, &! format (bin or netcdf) of forcing file pt_interior_interp_freq, &! keyword for period of temporal interpolation pt_interior_interp_type, &! pt_interior_data_label, &! pt_interior_formulation, &! pt_interior_restore_filename, &! pt_interior_restore_file_fmt character (char_len), dimension(:), allocatable :: & pt_interior_data_names ! names for required input data fields integer (int_kind), dimension(:), allocatable :: & pt_interior_bndy_loc, &! location and field type for pt_interior_bndy_type ! ghost cell updates logical (log_kind) :: & pt_interior_variable_restore !EOC !*********************************************************************** contains !*********************************************************************** !BOP ! !IROUTINE: init_pt_interior ! !INTERFACE: subroutine init_pt_interior ! !DESCRIPTION: ! Initializes potential temperature interior forcing by either ! calculating or reading in the 3D temperature. 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, &! dummy loop index nml_error ! namelist i/o error flag character (char_len) :: & forcing_filename, &! full filename of forcing data file long_name ! long name for input data field type (datafile) :: & pt_int_data_file ! data file descriptor for interior pot temp data type (io_field_desc) :: & pt_data_in ! io field descriptor for input pot temp data type (io_dim) :: & i_dim, j_dim, &! dimension descriptors for horiz dims k_dim ! dimension descriptor for depth namelist /forcing_pt_interior_nml/ pt_interior_data_type, & pt_interior_data_inc, pt_interior_interp_type, & pt_interior_interp_freq, pt_interior_interp_inc, & pt_interior_restore_tau, pt_interior_filename, & pt_interior_file_fmt, pt_interior_restore_max_level, & pt_interior_data_renorm, pt_interior_formulation, & pt_interior_variable_restore, pt_interior_restore_filename, & pt_interior_restore_file_fmt !----------------------------------------------------------------------- ! ! read interior potential temperature restoring namelist input ! after setting default values. ! !----------------------------------------------------------------------- pt_interior_formulation = 'restoring' pt_interior_data_type = 'none' pt_interior_data_inc = 1.e20_r8 pt_interior_interp_type = 'nearest' pt_interior_interp_freq = 'never' pt_interior_interp_inc = 1.e20_r8 pt_interior_restore_tau = 1.e20_r8 pt_interior_filename = 'unknown-pt_interior' pt_interior_file_fmt = 'bin' pt_interior_restore_max_level = 0 pt_interior_data_renorm = c1 pt_interior_variable_restore = .false. pt_interior_restore_filename = 'unknown-pt_interior_restore' pt_interior_restore_filename = '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_pt_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_pt_interior_nml') endif call broadcast_scalar(pt_interior_formulation, master_task) call broadcast_scalar(pt_interior_data_type, master_task) call broadcast_scalar(pt_interior_data_inc, master_task) call broadcast_scalar(pt_interior_interp_type, master_task) call broadcast_scalar(pt_interior_interp_freq, master_task) call broadcast_scalar(pt_interior_interp_inc, master_task) call broadcast_scalar(pt_interior_restore_tau, master_task) call broadcast_scalar(pt_interior_filename, master_task) call broadcast_scalar(pt_interior_file_fmt, master_task) call broadcast_scalar(pt_interior_restore_max_level, master_task) call broadcast_scalar(pt_interior_variable_restore, master_task) call broadcast_scalar(pt_interior_restore_filename, master_task) call broadcast_scalar(pt_interior_restore_file_fmt, master_task) call broadcast_array (pt_interior_data_renorm, master_task) !----------------------------------------------------------------------- ! ! convert data_type to 'monthly-calendar' if input is 'monthly' ! !----------------------------------------------------------------------- if (pt_interior_data_type == 'monthly') & pt_interior_data_type = 'monthly-calendar' !----------------------------------------------------------------------- ! ! calculate inverse of restoring time scale and convert to seconds. ! !----------------------------------------------------------------------- pt_interior_restore_rtau =c1/(seconds_in_day*pt_interior_restore_tau) !----------------------------------------------------------------------- ! ! convert interp_type to corresponding integer value. ! !----------------------------------------------------------------------- select case (pt_interior_interp_type) case ('nearest') pt_interior_interp_order = 1 case ('linear') pt_interior_interp_order = 2 case ('4point') pt_interior_interp_order = 4 case default call exit_POP(sigAbort, & 'init_pt_interior: Unknown value for pt_interior_interp_type') end select !----------------------------------------------------------------------- ! ! set values of the interior PT array (PT_INTERIOR_DATA) ! depending on the type of the PT data. ! !----------------------------------------------------------------------- select case (pt_interior_data_type) case ('none') !*** no interior forcing, therefore no interpolation in time !*** needed, nor are any new values to be used pt_interior_data_next = never pt_interior_data_update = never pt_interior_interp_freq = 'never' case ('annual') !*** annual mean climatological interior potential temperature !*** (read in from a file) that is constant in time, therefore !*** no new values will be needed. allocate(PT_INTERIOR_DATA(nx_block,ny_block,km, & max_blocks_clinic,1)) allocate(pt_interior_data_names(1), & pt_interior_bndy_loc (1), & pt_interior_bndy_type (1)) PT_INTERIOR_DATA = c0 pt_interior_data_names(1) = 'TEMPERATURE' pt_interior_bndy_loc (1) = field_loc_center pt_interior_bndy_type (1) = field_type_scalar forcing_filename = pt_interior_filename pt_int_data_file = construct_file(pt_interior_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(pt_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) pt_data_in = construct_io_field(trim(pt_interior_data_names(1)), & dim1=i_dim, dim2=j_dim, dim3=k_dim, & field_loc = pt_interior_bndy_loc(1), & field_type = pt_interior_bndy_type(1), & d3d_array = PT_INTERIOR_DATA(:,:,:,:,1)) call data_set (pt_int_data_file, 'define', pt_data_in) call data_set (pt_int_data_file, 'read', pt_data_in) call data_set (pt_int_data_file, 'close') call destroy_io_field(pt_data_in) call destroy_file(pt_int_data_file) if (pt_interior_data_renorm(1) /= c1) & PT_INTERIOR_DATA = PT_INTERIOR_DATA*pt_interior_data_renorm(1) pt_interior_data_next = never pt_interior_data_update = never pt_interior_interp_freq = 'never' if (my_task == master_task) then write(stdout,blank_fmt) write(stdout,'(a31,a)') ' Interior PT Annual file read: ', & trim(forcing_filename) endif case ('monthly-equal','monthly-calendar') !*** monthly mean climatological interior potential temperature. !*** All 12 months are read in from a file. interpolation order !*** may be specified with namelist input. allocate(PT_INTERIOR_DATA(nx_block,ny_block,km, & max_blocks_clinic,0:12)) allocate(pt_interior_data_names(12), & pt_interior_bndy_loc (12), & pt_interior_bndy_type (12)) PT_INTERIOR_DATA = c0 call find_forcing_times( pt_interior_data_time, & pt_interior_data_inc, pt_interior_interp_type, & pt_interior_data_next, pt_interior_data_time_min_loc, & pt_interior_data_update, pt_interior_data_type) forcing_filename = pt_interior_filename pt_int_data_file = construct_file(pt_interior_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(pt_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(pt_interior_data_names(n),'(a11,i2)') 'TEMPERATURE',n pt_interior_bndy_loc (n) = field_loc_center pt_interior_bndy_type(n) = field_type_scalar pt_data_in = construct_io_field( & trim(pt_interior_data_names(n)), & dim1=i_dim, dim2=j_dim, dim3=k_dim, & field_loc = pt_interior_bndy_loc(n), & field_type = pt_interior_bndy_type(n), & d3d_array = PT_INTERIOR_DATA(:,:,:,:,n)) call data_set (pt_int_data_file, 'define', pt_data_in) call data_set (pt_int_data_file, 'read', pt_data_in) call destroy_io_field(pt_data_in) enddo call data_set (pt_int_data_file, 'close') call destroy_file(pt_int_data_file) if (pt_interior_data_renorm(1) /= c1) & PT_INTERIOR_DATA = PT_INTERIOR_DATA*pt_interior_data_renorm(1) if (my_task == master_task) then write(stdout,blank_fmt) write(stdout,'(a32,a)') ' Interior PT Monthly file read: ', & trim(forcing_filename) endif case ('n-hour') !*** interior potential temperature specified every n-hours, !*** where the n-hour increment (pt_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(PT_INTERIOR_DATA(nx_block,ny_block,km,max_blocks_clinic,& 0:pt_interior_interp_order)) allocate(pt_interior_data_names(1), & pt_interior_bndy_loc (1), & pt_interior_bndy_type (1)) PT_INTERIOR_DATA = c0 pt_interior_data_names(1) = 'TEMPERATURE' pt_interior_bndy_loc (1) = field_loc_center pt_interior_bndy_type (1) = field_type_scalar call find_forcing_times( pt_interior_data_time, & pt_interior_data_inc, pt_interior_interp_type, & pt_interior_data_next, pt_interior_data_time_min_loc, & pt_interior_data_update, pt_interior_data_type) do n = 1, pt_interior_interp_order call get_forcing_filename(forcing_filename, & pt_interior_filename, & pt_interior_data_time(n), & pt_interior_data_inc) pt_int_data_file = construct_file(pt_interior_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(pt_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) pt_data_in = construct_io_field( & trim(pt_interior_data_names(1)), & dim1=i_dim, dim2=j_dim, dim3=k_dim, & field_loc = pt_interior_bndy_loc(1), & field_type = pt_interior_bndy_type(1), & d3d_array = PT_INTERIOR_DATA(:,:,:,:,n)) call data_set (pt_int_data_file, 'define', pt_data_in) call data_set (pt_int_data_file, 'read', pt_data_in) call data_set (pt_int_data_file, 'close') call destroy_io_field(pt_data_in) call destroy_file(pt_int_data_file) if (my_task == master_task) then write(stdout,blank_fmt) write(stdout,'(a31,a)') ' Interior PT n-hour file read: ', & trim(forcing_filename) endif enddo if (pt_interior_data_renorm(1) /= c1) & PT_INTERIOR_DATA = PT_INTERIOR_DATA*pt_interior_data_renorm(1) case default call exit_POP(sigAbort, & 'init_pt_interior: Unknown value for pt_interior_data_type') end select !----------------------------------------------------------------------- ! ! now check interpolation period (pt_interior_interp_freq) to set ! the time for the next temporal interpolation ! (pt_interior_interp_next). ! ! if no interpolation is to be done, set next interpolation time ! to a large number so the interior PT update test in routine ! set_surface_forcing 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 PT update ! test in routine set_surface_forcing will always be true. ! !----------------------------------------------------------------------- select case (pt_interior_interp_freq) case ('never') pt_interior_interp_next = never pt_interior_interp_last = never pt_interior_interp_inc = c0 case ('n-hour') call find_interp_time(pt_interior_interp_inc, & pt_interior_interp_next) case ('every-timestep') pt_interior_interp_next = always pt_interior_interp_inc = c0 case default call exit_POP(sigAbort, & 'init_pt_interior: Unknown value for pt_interior_interp_freq') end select if(nsteps_total == 0) pt_interior_interp_last = thour00 !----------------------------------------------------------------------- ! ! allocate and read in arrays used for variable interior restoring ! if necessary. ! !----------------------------------------------------------------------- if (pt_interior_variable_restore) then allocate(PT_RESTORE_MAX_LEVEL(nx_block,ny_block,max_blocks_clinic), & PT_RESTORE_RTAU(nx_block,ny_block,max_blocks_clinic)) forcing_filename = pt_interior_restore_filename pt_int_data_file = construct_file(pt_interior_restore_file_fmt, & full_name=trim(forcing_filename), & record_length=rec_type_dbl, & recl_words=nx_global*ny_global) call data_set(pt_int_data_file, 'open_read') i_dim = construct_io_dim('i',nx_global) j_dim = construct_io_dim('j',ny_global) pt_data_in = construct_io_field('PT_RESTORE_MAX_LEVEL', & dim1=i_dim, dim2=j_dim, & field_loc = field_loc_center, & field_type = field_type_scalar, & d2d_array = PT_RESTORE_RTAU) call data_set (pt_int_data_file, 'define', pt_data_in) call data_set (pt_int_data_file, 'read', pt_data_in) PT_RESTORE_MAX_LEVEL = nint(PT_RESTORE_RTAU) call destroy_io_field(pt_data_in) pt_data_in = construct_io_field('PT_RESTORE_RTAU', dim1=i_dim, dim2=j_dim, & field_loc = field_loc_center, & field_type = field_type_scalar, & d2d_array = PT_RESTORE_RTAU) call data_set (pt_int_data_file, 'define', pt_data_in) call data_set (pt_int_data_file, 'read', pt_data_in) PT_RESTORE_RTAU = PT_RESTORE_RTAU/seconds_in_day ! convert days to secs call destroy_io_field(pt_data_in) call data_set (pt_int_data_file, 'close') call destroy_file(pt_int_data_file) endif !----------------------------------------------------------------------- ! ! echo forcing options to stdout. ! !----------------------------------------------------------------------- pt_interior_data_label = 'Interior Potential Temperature Forcing' if (pt_interior_variable_restore .and. my_task == master_task) & write(stdout,'(a57)') & 'Variable Interior Potential Temperature Restoring enabled' call echo_forcing_options( pt_interior_data_type, & pt_interior_formulation, pt_interior_data_inc, & pt_interior_interp_freq, pt_interior_interp_type, & pt_interior_interp_inc, pt_interior_data_label) !----------------------------------------------------------------------- !EOC end subroutine init_pt_interior !*********************************************************************** !BOP ! !IROUTINE: get_pt_interior_data ! !INTERFACE: subroutine get_pt_interior_data ! !DESCRIPTION: ! Determines whether new interior temperature 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 time indices in pt_interior_data_time arrays ! and read in new data if necessary ('n-hour' case). also ! increment values of pt_interior_data_time_min_loc, ! pt_interior_data_next and pt_interior_data_update. note that no new ! data is necessary for 'analytic' and 'annual' cases. ! !----------------------------------------------------------------------- select case(pt_interior_data_type) case ('monthly-equal','monthly-calendar') pt_interior_data_label = 'PT_INTERIOR Monthly' if (thour00 >= pt_interior_data_update) then call update_forcing_data( pt_interior_data_time, & pt_interior_data_time_min_loc, pt_interior_interp_type, & pt_interior_data_next, pt_interior_data_update, & pt_interior_data_type, pt_interior_data_inc, & PT_INTERIOR_DATA(:,:,:,:,1:12),pt_interior_data_renorm, & pt_interior_data_label, pt_interior_data_names, & pt_interior_bndy_loc, pt_interior_bndy_type, & pt_interior_filename, pt_interior_file_fmt) endif if (thour00 >= pt_interior_interp_next .or. nsteps_run==0) then call interpolate_forcing(PT_INTERIOR_DATA(:,:,:,:,0), & PT_INTERIOR_DATA(:,:,:,:,1:12), & pt_interior_data_time, pt_interior_interp_type, & pt_interior_data_time_min_loc, & pt_interior_interp_freq, pt_interior_interp_inc, & pt_interior_interp_next, pt_interior_interp_last, & nsteps_run) if (nsteps_run /= 0) pt_interior_interp_next = & pt_interior_interp_next + & pt_interior_interp_inc endif case('n-hour') pt_interior_data_label = 'PT_INTERIOR n-hour' if (thour00 >= pt_interior_data_update) then call update_forcing_data( pt_interior_data_time, & pt_interior_data_time_min_loc, pt_interior_interp_type, & pt_interior_data_next, pt_interior_data_update, & pt_interior_data_type, pt_interior_data_inc, & PT_INTERIOR_DATA(:,:,:,:,1:pt_interior_interp_order), & pt_interior_data_renorm, & pt_interior_data_label, pt_interior_data_names, & pt_interior_bndy_loc, pt_interior_bndy_type, & pt_interior_filename, pt_interior_file_fmt) endif if (thour00 >= pt_interior_interp_next .or. nsteps_run==0) then call interpolate_forcing(PT_INTERIOR_DATA(:,:,:,:,0), & PT_INTERIOR_DATA(:,:,:,:,1:pt_interior_interp_order), & pt_interior_data_time, pt_interior_interp_type, & pt_interior_data_time_min_loc, pt_interior_interp_freq, & pt_interior_interp_inc, pt_interior_interp_next, & pt_interior_interp_last, nsteps_run) if (nsteps_run /= 0) pt_interior_interp_next = & pt_interior_interp_next + & pt_interior_interp_inc endif end select !----------------------------------------------------------------------- !EOC end subroutine get_pt_interior_data !*********************************************************************** !BOP ! !IROUTINE: set_pt_interior ! !INTERFACE: subroutine set_pt_interior(k,this_block,PT_SOURCE) ! !DESCRIPTION: ! Computes the potential temperature restoring term using updated 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) :: & PT_SOURCE ! interior potential source term for this ! block and level - accumulate restoring term ! into this array !----------------------------------------------------------------------- ! ! local variables ! !----------------------------------------------------------------------- integer (int_kind) :: & bid, &! local block address for this block now ! index for interpolated data real (r8), dimension(nx_block,ny_block) :: & DPT_INTERIOR ! interior potential restoring for this ! block and level !----------------------------------------------------------------------- ! ! do interior restoring if required (no surface restoring for any) ! !----------------------------------------------------------------------- if (pt_interior_data_type /= 'none' .and. k > 1) then bid = this_block%local_id !----------------------------------------------------------------------- ! ! set index where interpolated data located ! !----------------------------------------------------------------------- select case(pt_interior_data_type) case('annual') now = 1 case ('monthly-equal','monthly-calendar') now = 0 case('n-hour') now = 0 end select !----------------------------------------------------------------------- ! ! now compute restoring ! !----------------------------------------------------------------------- if (pt_interior_variable_restore) then DPT_INTERIOR = PT_RESTORE_RTAU(:,:,bid)* & merge((PT_INTERIOR_DATA(:,:,k,bid,now) - & TRACER(:,:,k,1,curtime,bid)), & c0, k <= PT_RESTORE_MAX_LEVEL(:,:,bid)) else if (k <= pt_interior_restore_max_level) then DPT_INTERIOR = pt_interior_restore_rtau* & (PT_INTERIOR_DATA(:,:,k,bid,now) - & TRACER(:,:,k,1,curtime,bid)) else DPT_INTERIOR = c0 endif endif !*** add restoring to any other source terms PT_SOURCE = PT_SOURCE + DPT_INTERIOR endif ! k=1 !----------------------------------------------------------------------- !EOC end subroutine set_pt_interior !*********************************************************************** end module forcing_pt_interior !|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||