!======================================================================= ! Indices and flags associated with the tracer infrastructure. ! Grid-dependent and max_trcr-dependent arrays are declared in ice_state.F90. ! ! author Elizabeth C. Hunke, LANL module icepack_tracers use icepack_kinds use icepack_parameters, only: c0, c1, puny, Tocnfrz use icepack_warnings, only: warnstr, icepack_warnings_add use icepack_warnings, only: icepack_warnings_setabort, icepack_warnings_aborted implicit none private public :: icepack_compute_tracers public :: icepack_query_tracer_sizes public :: icepack_write_tracer_sizes public :: icepack_init_tracer_flags public :: icepack_query_tracer_flags public :: icepack_write_tracer_flags public :: icepack_init_tracer_indices public :: icepack_query_tracer_indices public :: icepack_write_tracer_indices public :: icepack_init_tracer_numbers public :: icepack_query_tracer_numbers public :: icepack_write_tracer_numbers !----------------------------------------------------------------- ! dimensions !----------------------------------------------------------------- integer (kind=int_kind), parameter, public :: & max_algae = 3 , & ! maximum number of algal types max_dic = 1 , & ! maximum number of dissolved inorganic carbon types max_doc = 3 , & ! maximum number of dissolved organic carbon types max_don = 1 , & ! maximum number of dissolved organic nitrogen types max_fe = 2 , & ! maximum number of iron types nmodal1 = 10 , & ! dimension for modal aerosol radiation parameters nmodal2 = 8 , & ! dimension for modal aerosol radiation parameters max_aero = 6 , & ! maximum number of aerosols max_nbtrcr = max_algae*2 & ! algal nitrogen and chlorophyll + max_dic & ! dissolved inorganic carbon + max_doc & ! dissolved organic carbon + max_don & ! dissolved organic nitrogen + 5 & ! nitrate, ammonium, silicate, PON, and humics + 3 & ! DMSPp, DMSPd, DMS + max_fe*2 & ! dissolved Fe and particulate Fe + max_aero ! aerosols integer (kind=int_kind), public :: & ntrcr , & ! number of tracers in use ntrcr_o , & ! number of non-bio tracers in use n_aero , & ! number of aerosols in use n_zaero , & ! number of z aerosols in use n_algae , & ! number of algae in use n_doc , & ! number of DOC pools in use n_dic , & ! number of DIC pools in use n_don , & ! number of DON pools in use n_fed , & ! number of Fe pools in use dissolved Fe n_fep ! number of Fe pools in use particulate Fe integer (kind=int_kind), public :: & nt_Tsfc , & ! ice/snow temperature nt_qice , & ! volume-weighted ice enthalpy (in layers) nt_qsno , & ! volume-weighted snow enthalpy (in layers) nt_sice , & ! volume-weighted ice bulk salinity (CICE grid layers) nt_fbri , & ! volume fraction of ice with dynamic salt (hinS/vicen*aicen) nt_iage , & ! volume-weighted ice age nt_FY , & ! area-weighted first-year ice area nt_alvl , & ! level ice area fraction nt_vlvl , & ! level ice volume fraction nt_apnd , & ! melt pond area fraction nt_hpnd , & ! melt pond depth nt_ipnd , & ! melt pond refrozen lid thickness nt_aero , & ! starting index for aerosols in ice nt_bgc_Nit, & ! nutrients nt_bgc_Am, & ! nt_bgc_Sil, & ! nt_bgc_DMSPp, & ! trace gases (skeletal layer) nt_bgc_DMSPd, & ! nt_bgc_DMS, & ! nt_bgc_PON, & ! zooplankton and detritus nt_bgc_hum, & ! humic material nt_zbgc_frac, & ! fraction of tracer in the mobile phase nt_bgc_S ! Bulk salinity in fraction ice with dynamic salinity (Bio grid) logical (kind=log_kind), public :: & tr_iage , & ! if .true., use age tracer tr_FY , & ! if .true., use first-year area tracer tr_lvl , & ! if .true., use level ice tracer tr_pond , & ! if .true., use melt pond tracer tr_pond_cesm, & ! if .true., use cesm pond tracer tr_pond_lvl , & ! if .true., use level-ice pond tracer tr_pond_topo, & ! if .true., use explicit topography-based ponds tr_aero , & ! if .true., use aerosol tracers tr_brine ! if .true., brine height differs from ice thickness !----------------------------------------------------------------- ! biogeochemistry !----------------------------------------------------------------- logical (kind=log_kind), public :: & tr_zaero, & ! if .true., black carbon as tracers (n_zaero) tr_bgc_Nit, & ! if .true. Nitrate tracer in ice tr_bgc_N, & ! if .true., algal nitrogen tracers (n_algae) tr_bgc_DON, & ! if .true., DON pools are tracers (n_don) tr_bgc_C, & ! if .true., algal carbon tracers + DOC and DIC tr_bgc_chl, & ! if .true., algal chlorophyll tracers tr_bgc_Am, & ! if .true., ammonia/um as nutrient tracer tr_bgc_Sil, & ! if .true., silicon as nutrient tracer tr_bgc_DMS, & ! if .true., DMS as tracer tr_bgc_Fe, & ! if .true., Fe as tracer tr_bgc_PON, & ! if .true., PON as tracer tr_bgc_hum ! if .true., humic material as tracer integer (kind=int_kind), public :: & nbtrcr, & ! number of bgc tracers in use nbtrcr_sw, & ! number of bgc tracers which impact shortwave nlt_chl_sw ! points to total chla in trcrn_sw integer (kind=int_kind), dimension(max_aero), public :: & nlt_zaero_sw ! points to aerosol in trcrn_sw integer (kind=int_kind), dimension(max_algae), public :: & nlt_bgc_N , & ! algae nlt_bgc_C , & ! nlt_bgc_chl integer (kind=int_kind), dimension(max_doc), public :: & nlt_bgc_DOC ! disolved organic carbon integer (kind=int_kind), dimension(max_don), public :: & nlt_bgc_DON ! integer (kind=int_kind), dimension(max_dic), public :: & nlt_bgc_DIC ! disolved inorganic carbon integer (kind=int_kind), dimension(max_fe), public :: & nlt_bgc_Fed , & ! nlt_bgc_Fep ! integer (kind=int_kind), dimension(max_aero), public :: & nlt_zaero ! non-reacting layer aerosols integer (kind=int_kind), public :: & nlt_bgc_Nit , & ! nutrients nlt_bgc_Am , & ! nlt_bgc_Sil , & ! nlt_bgc_DMSPp , & ! trace gases (skeletal layer) nlt_bgc_DMSPd , & ! nlt_bgc_DMS , & ! nlt_bgc_PON , & ! zooplankton and detritus nlt_bgc_hum ! humic material integer (kind=int_kind), dimension(max_algae), public :: & nt_bgc_N , & ! diatoms, phaeocystis, pico/small nt_bgc_C , & ! diatoms, phaeocystis, pico/small nt_bgc_chl ! diatoms, phaeocystis, pico/small integer (kind=int_kind), dimension(max_doc), public :: & nt_bgc_DOC ! dissolved organic carbon integer (kind=int_kind), dimension(max_don), public :: & nt_bgc_DON ! dissolved organic nitrogen integer (kind=int_kind), dimension(max_dic), public :: & nt_bgc_DIC ! dissolved inorganic carbon integer (kind=int_kind), dimension(max_fe), public :: & nt_bgc_Fed, & ! dissolved iron nt_bgc_Fep ! particulate iron integer (kind=int_kind), dimension(max_aero), public :: & nt_zaero ! black carbon and other aerosols integer (kind=int_kind), dimension(max_nbtrcr), public :: & bio_index_o ! relates nlt_bgc_NO to ocean concentration index ! see ocean_bio_all integer (kind=int_kind), dimension(max_nbtrcr), public :: & bio_index ! relates bio indices, ie. nlt_bgc_N to nt_bgc_N !======================================================================= contains !======================================================================= ! query tracer sizes subroutine icepack_query_tracer_sizes( & max_algae_out , max_dic_out , max_doc_out , & max_don_out , max_fe_out , nmodal1_out , & nmodal2_out , max_aero_out , max_nbtrcr_out ) integer (kind=int_kind), intent(out), optional :: & max_algae_out , & ! maximum number of algal types max_dic_out , & ! maximum number of dissolved inorganic carbon types max_doc_out , & ! maximum number of dissolved organic carbon types max_don_out , & ! maximum number of dissolved organic nitrogen types max_fe_out , & ! maximum number of iron types nmodal1_out , & ! dimension for modal aerosol radiation parameters nmodal2_out , & ! dimension for modal aerosol radiation parameters max_aero_out , & ! maximum number of aerosols max_nbtrcr_out ! algal nitrogen and chlorophyll if (present(max_algae_out)) max_algae_out = max_algae if (present(max_dic_out)) max_dic_out = max_dic if (present(max_doc_out)) max_doc_out = max_doc if (present(max_don_out)) max_don_out = max_don if (present(max_fe_out)) max_fe_out = max_fe if (present(nmodal1_out)) nmodal1_out = nmodal1 if (present(nmodal2_out)) nmodal2_out = nmodal2 if (present(max_aero_out)) max_aero_out = max_aero if (present(max_nbtrcr_out)) max_nbtrcr_out= max_nbtrcr end subroutine icepack_query_tracer_sizes !======================================================================= ! write tracer sizes subroutine icepack_write_tracer_sizes(iounit) integer, intent(in) :: iounit write(iounit,*) "icepack_write_tracer_sizes:" write(iounit,*) ' max_algae_out =', max_algae write(iounit,*) ' max_dic_out =', max_dic write(iounit,*) ' max_doc_out =', max_doc write(iounit,*) ' max_don_out =', max_don write(iounit,*) ' max_fe_out =', max_fe write(iounit,*) ' nmodal1_out =', nmodal1 write(iounit,*) ' nmodal2_out =', nmodal2 write(iounit,*) ' max_aero_out =', max_aero write(iounit,*) ' max_nbtrcr_out=', max_nbtrcr end subroutine icepack_write_tracer_sizes !======================================================================= ! set tracer active flags subroutine icepack_init_tracer_flags(& tr_iage_in, tr_FY_in, tr_lvl_in, & tr_pond_in, tr_pond_cesm_in, tr_pond_lvl_in, tr_pond_topo_in, & tr_aero_in, tr_brine_in, tr_zaero_in, & tr_bgc_Nit_in, tr_bgc_N_in, tr_bgc_DON_in, tr_bgc_C_in, tr_bgc_chl_in, & tr_bgc_Am_in, tr_bgc_Sil_in, tr_bgc_DMS_in, tr_bgc_Fe_in, tr_bgc_hum_in, & tr_bgc_PON_in) logical, intent(in), optional :: & tr_iage_in , & ! if .true., use age tracer tr_FY_in , & ! if .true., use first-year area tracer tr_lvl_in , & ! if .true., use level ice tracer tr_pond_in , & ! if .true., use melt pond tracer tr_pond_cesm_in , & ! if .true., use cesm pond tracer tr_pond_lvl_in , & ! if .true., use level-ice pond tracer tr_pond_topo_in , & ! if .true., use explicit topography-based ponds tr_aero_in , & ! if .true., use aerosol tracers tr_brine_in , & ! if .true., brine height differs from ice thickness tr_zaero_in , & ! if .true., black carbon is tracers (n_zaero) tr_bgc_Nit_in , & ! if .true., Nitrate tracer in ice tr_bgc_N_in , & ! if .true., algal nitrogen tracers (n_algae) tr_bgc_DON_in , & ! if .true., DON pools are tracers (n_don) tr_bgc_C_in , & ! if .true., algal carbon tracers + DOC and DIC tr_bgc_chl_in , & ! if .true., algal chlorophyll tracers tr_bgc_Am_in , & ! if .true., ammonia/um as nutrient tracer tr_bgc_Sil_in , & ! if .true., silicon as nutrient tracer tr_bgc_DMS_in , & ! if .true., DMS as product tracer tr_bgc_Fe_in , & ! if .true., Fe as product tracer tr_bgc_hum_in , & ! if .true., hum as product tracer tr_bgc_PON_in ! if .true., PON as product tracer if (present(tr_iage_in)) tr_iage = tr_iage_in if (present(tr_FY_in) ) tr_FY = tr_FY_in if (present(tr_lvl_in) ) tr_lvl = tr_lvl_in if (present(tr_pond_in)) tr_pond = tr_pond_in if (present(tr_pond_cesm_in)) tr_pond_cesm = tr_pond_cesm_in if (present(tr_pond_lvl_in) ) tr_pond_lvl = tr_pond_lvl_in if (present(tr_pond_topo_in)) tr_pond_topo = tr_pond_topo_in if (present(tr_aero_in) ) tr_aero = tr_aero_in if (present(tr_brine_in) ) tr_brine = tr_brine_in if (present(tr_zaero_in) ) tr_zaero = tr_zaero_in if (present(tr_bgc_Nit_in)) tr_bgc_Nit = tr_bgc_Nit_in if (present(tr_bgc_N_in) ) tr_bgc_N = tr_bgc_N_in if (present(tr_bgc_DON_in)) tr_bgc_DON = tr_bgc_DON_in if (present(tr_bgc_C_in) ) tr_bgc_C = tr_bgc_C_in if (present(tr_bgc_chl_in)) tr_bgc_chl = tr_bgc_chl_in if (present(tr_bgc_Am_in) ) tr_bgc_Am = tr_bgc_Am_in if (present(tr_bgc_Sil_in)) tr_bgc_Sil = tr_bgc_Sil_in if (present(tr_bgc_DMS_in)) tr_bgc_DMS = tr_bgc_DMS_in if (present(tr_bgc_Fe_in )) tr_bgc_Fe = tr_bgc_Fe_in if (present(tr_bgc_hum_in)) tr_bgc_hum = tr_bgc_hum_in if (present(tr_bgc_PON_in)) tr_bgc_PON = tr_bgc_PON_in end subroutine icepack_init_tracer_flags !======================================================================= ! query tracer active flags subroutine icepack_query_tracer_flags(& tr_iage_out, tr_FY_out, tr_lvl_out, & tr_pond_out, tr_pond_cesm_out, tr_pond_lvl_out, tr_pond_topo_out, & tr_aero_out, tr_brine_out, tr_zaero_out, & tr_bgc_Nit_out, tr_bgc_N_out, tr_bgc_DON_out, tr_bgc_C_out, tr_bgc_chl_out, & tr_bgc_Am_out, tr_bgc_Sil_out, tr_bgc_DMS_out, tr_bgc_Fe_out, tr_bgc_hum_out, & tr_bgc_PON_out) logical, intent(out), optional :: & tr_iage_out , & ! if .true., use age tracer tr_FY_out , & ! if .true., use first-year area tracer tr_lvl_out , & ! if .true., use level ice tracer tr_pond_out , & ! if .true., use melt pond tracer tr_pond_cesm_out , & ! if .true., use cesm pond tracer tr_pond_lvl_out , & ! if .true., use level-ice pond tracer tr_pond_topo_out , & ! if .true., use explicit topography-based ponds tr_aero_out , & ! if .true., use aerosol tracers tr_brine_out , & ! if .true., brine height differs from ice thickness tr_zaero_out , & ! if .true., black carbon is tracers (n_zaero) tr_bgc_Nit_out , & ! if .true., Nitrate tracer in ice tr_bgc_N_out , & ! if .true., algal nitrogen tracers (n_algae) tr_bgc_DON_out , & ! if .true., DON pools are tracers (n_don) tr_bgc_C_out , & ! if .true., algal carbon tracers + DOC and DIC tr_bgc_chl_out , & ! if .true., algal chlorophyll tracers tr_bgc_Am_out , & ! if .true., ammonia/um as nutrient tracer tr_bgc_Sil_out , & ! if .true., silicon as nutrient tracer tr_bgc_DMS_out , & ! if .true., DMS as product tracer tr_bgc_Fe_out , & ! if .true., Fe as product tracer tr_bgc_hum_out , & ! if .true., hum as product tracer tr_bgc_PON_out ! if .true., PON as product tracer if (present(tr_iage_out)) tr_iage_out = tr_iage if (present(tr_FY_out) ) tr_FY_out = tr_FY if (present(tr_lvl_out) ) tr_lvl_out = tr_lvl if (present(tr_pond_out)) tr_pond_out = tr_pond if (present(tr_pond_cesm_out)) tr_pond_cesm_out = tr_pond_cesm if (present(tr_pond_lvl_out) ) tr_pond_lvl_out = tr_pond_lvl if (present(tr_pond_topo_out)) tr_pond_topo_out = tr_pond_topo if (present(tr_aero_out) ) tr_aero_out = tr_aero if (present(tr_brine_out) ) tr_brine_out = tr_brine if (present(tr_zaero_out) ) tr_zaero_out = tr_zaero if (present(tr_bgc_Nit_out)) tr_bgc_Nit_out = tr_bgc_Nit if (present(tr_bgc_N_out) ) tr_bgc_N_out = tr_bgc_N if (present(tr_bgc_DON_out)) tr_bgc_DON_out = tr_bgc_DON if (present(tr_bgc_C_out) ) tr_bgc_C_out = tr_bgc_C if (present(tr_bgc_chl_out)) tr_bgc_chl_out = tr_bgc_chl if (present(tr_bgc_Am_out) ) tr_bgc_Am_out = tr_bgc_Am if (present(tr_bgc_Sil_out)) tr_bgc_Sil_out = tr_bgc_Sil if (present(tr_bgc_DMS_out)) tr_bgc_DMS_out = tr_bgc_DMS if (present(tr_bgc_Fe_out )) tr_bgc_Fe_out = tr_bgc_Fe if (present(tr_bgc_hum_out)) tr_bgc_hum_out = tr_bgc_hum if (present(tr_bgc_PON_out)) tr_bgc_PON_out = tr_bgc_PON end subroutine icepack_query_tracer_flags !======================================================================= ! write tracer active flags subroutine icepack_write_tracer_flags(iounit) integer, intent(in) :: iounit write(iounit,*) "icepack_write_tracer_flags:" write(iounit,*) " tr_iage = ",tr_iage write(iounit,*) " tr_FY = ",tr_FY write(iounit,*) " tr_lvl = ",tr_lvl write(iounit,*) " tr_pond = ",tr_pond write(iounit,*) " tr_pond_cesm = ",tr_pond_cesm write(iounit,*) " tr_pond_lvl = ",tr_pond_lvl write(iounit,*) " tr_pond_topo = ",tr_pond_topo write(iounit,*) " tr_aero = ",tr_aero write(iounit,*) " tr_brine = ",tr_brine write(iounit,*) " tr_zaero = ",tr_zaero write(iounit,*) " tr_bgc_Nit = ",tr_bgc_Nit write(iounit,*) " tr_bgc_N = ",tr_bgc_N write(iounit,*) " tr_bgc_DON = ",tr_bgc_DON write(iounit,*) " tr_bgc_C = ",tr_bgc_C write(iounit,*) " tr_bgc_chl = ",tr_bgc_chl write(iounit,*) " tr_bgc_Am = ",tr_bgc_Am write(iounit,*) " tr_bgc_Sil = ",tr_bgc_Sil write(iounit,*) " tr_bgc_DMS = ",tr_bgc_DMS write(iounit,*) " tr_bgc_Fe = ",tr_bgc_Fe write(iounit,*) " tr_bgc_hum = ",tr_bgc_hum write(iounit,*) " tr_bgc_PON = ",tr_bgc_PON end subroutine icepack_write_tracer_flags !======================================================================= ! set the number of column tracer indices subroutine icepack_init_tracer_indices(& nt_Tsfc_in, nt_qice_in, nt_qsno_in, nt_sice_in, & nt_fbri_in, nt_iage_in, nt_FY_in, & nt_alvl_in, nt_vlvl_in, nt_apnd_in, nt_hpnd_in, nt_ipnd_in, & nt_aero_in, nt_zaero_in, & nt_bgc_N_in, nt_bgc_chl_in, nt_bgc_DOC_in, nt_bgc_DON_in, & nt_bgc_DIC_in, nt_bgc_Fed_in, nt_bgc_Fep_in, nt_bgc_Nit_in, nt_bgc_Am_in, & nt_bgc_Sil_in, nt_bgc_DMSPp_in, nt_bgc_DMSPd_in, nt_bgc_DMS_in, nt_bgc_hum_in, & nt_bgc_PON_in, nlt_zaero_in, nlt_bgc_N_in, nlt_bgc_chl_in, & nlt_bgc_DOC_in, nlt_bgc_DON_in, nlt_bgc_DIC_in, nlt_bgc_Fed_in, & nlt_bgc_Fep_in, nlt_bgc_Nit_in, nlt_bgc_Am_in, nlt_bgc_Sil_in, & nlt_bgc_DMSPp_in, nlt_bgc_DMSPd_in, nlt_bgc_DMS_in, nlt_bgc_hum_in, & nlt_bgc_PON_in, nt_zbgc_frac_in, nt_bgc_S_in, nlt_chl_sw_in, & nlt_zaero_sw_in, n_algae_in, n_DOC_in, & n_DON_in, n_DIC_in, n_fed_in, n_fep_in, n_zaero_in, & bio_index_o_in, bio_index_in, nbtrcr_in) integer, intent(in), optional :: & nt_Tsfc_in, & ! ice/snow temperature nt_qice_in, & ! volume-weighted ice enthalpy (in layers) nt_qsno_in, & ! volume-weighted snow enthalpy (in layers) nt_sice_in, & ! volume-weighted ice bulk salinity (CICE grid layers) nt_fbri_in, & ! volume fraction of ice with dynamic salt (hinS/vicen*aicen) nt_iage_in, & ! volume-weighted ice age nt_FY_in, & ! area-weighted first-year ice area nt_alvl_in, & ! level ice area fraction nt_vlvl_in, & ! level ice volume fraction nt_apnd_in, & ! melt pond area fraction nt_hpnd_in, & ! melt pond depth nt_ipnd_in, & ! melt pond refrozen lid thickness nt_aero_in, & ! starting index for aerosols in ice nt_bgc_Nit_in, & ! nutrients nt_bgc_Am_in, & ! nt_bgc_Sil_in, & ! nt_bgc_DMSPp_in,&! trace gases (skeletal layer) nt_bgc_DMSPd_in,&! nt_bgc_DMS_in, & ! nt_bgc_hum_in, & ! nt_bgc_PON_in, & ! zooplankton and detritus nlt_bgc_Nit_in,& ! nutrients nlt_bgc_Am_in, & ! nlt_bgc_Sil_in,& ! nlt_bgc_DMSPp_in,&! trace gases (skeletal layer) nlt_bgc_DMSPd_in,&! nlt_bgc_DMS_in,& ! nlt_bgc_hum_in,& ! nlt_bgc_PON_in,& ! zooplankton and detritus nt_zbgc_frac_in,&! fraction of tracer in the mobile phase nt_bgc_S_in, & ! Bulk salinity in fraction ice with dynamic salinity (Bio grid)) nlt_chl_sw_in ! points to total chla in trcrn_sw integer, intent(in), optional :: & n_algae_in, & ! Dimensions n_DOC_in, & ! n_DON_in, & ! n_DIC_in, & ! n_fed_in, & ! n_fep_in, & ! n_zaero_in, & ! nbtrcr_in integer (kind=int_kind), dimension(:), intent(in), optional :: & bio_index_o_in, & bio_index_in integer (kind=int_kind), dimension(:), intent(in), optional :: & nt_bgc_N_in , & ! diatoms, phaeocystis, pico/small ! nt_bgc_C_in , & ! diatoms, phaeocystis, pico/small nt_bgc_chl_in, & ! diatoms, phaeocystis, pico/small nlt_bgc_N_in , & ! diatoms, phaeocystis, pico/small ! nlt_bgc_C_in , & ! diatoms, phaeocystis, pico/small nlt_bgc_chl_in ! diatoms, phaeocystis, pico/small integer (kind=int_kind), dimension(:), intent(in), optional :: & nt_bgc_DOC_in, & ! dissolved organic carbon nlt_bgc_DOC_in ! dissolved organic carbon integer (kind=int_kind), dimension(:), intent(in), optional :: & nt_bgc_DON_in, & ! dissolved organic nitrogen nlt_bgc_DON_in ! dissolved organic nitrogen integer (kind=int_kind), dimension(:), intent(in), optional :: & nt_bgc_DIC_in, & ! dissolved inorganic carbon nlt_bgc_DIC_in ! dissolved inorganic carbon integer (kind=int_kind), dimension(:), intent(in), optional :: & nt_bgc_Fed_in, & ! dissolved iron nt_bgc_Fep_in, & ! particulate iron nlt_bgc_Fed_in,& ! dissolved iron nlt_bgc_Fep_in ! particulate iron integer (kind=int_kind), dimension(:), intent(in), optional :: & nt_zaero_in, & ! black carbon and other aerosols nlt_zaero_in, & ! black carbon and other aerosols nlt_zaero_sw_in ! black carbon and dust in trcrn_sw ! local integer (kind=int_kind) :: k if (present(nt_Tsfc_in)) nt_Tsfc = nt_Tsfc_in if (present(nt_qice_in)) nt_qice = nt_qice_in if (present(nt_qsno_in)) nt_qsno = nt_qsno_in if (present(nt_sice_in)) nt_sice = nt_sice_in if (present(nt_fbri_in)) nt_fbri = nt_fbri_in if (present(nt_iage_in)) nt_iage = nt_iage_in if (present(nt_FY_in) ) nt_FY = nt_FY_in if (present(nt_alvl_in)) nt_alvl = nt_alvl_in if (present(nt_vlvl_in)) nt_vlvl = nt_vlvl_in if (present(nt_apnd_in)) nt_apnd = nt_apnd_in if (present(nt_hpnd_in)) nt_hpnd = nt_hpnd_in if (present(nt_ipnd_in)) nt_ipnd = nt_ipnd_in if (present(nt_aero_in)) nt_aero = nt_aero_in if (present(nt_bgc_Nit_in) ) nt_bgc_Nit = nt_bgc_Nit_in if (present(nt_bgc_Am_in) ) nt_bgc_Am = nt_bgc_Am_in if (present(nt_bgc_Sil_in) ) nt_bgc_Sil = nt_bgc_Sil_in if (present(nt_bgc_DMSPp_in) ) nt_bgc_DMSPp = nt_bgc_DMSPp_in if (present(nt_bgc_DMSPd_in) ) nt_bgc_DMSPd = nt_bgc_DMSPd_in if (present(nt_bgc_DMS_in) ) nt_bgc_DMS = nt_bgc_DMS_in if (present(nt_bgc_hum_in) ) nt_bgc_hum = nt_bgc_hum_in if (present(nt_bgc_PON_in) ) nt_bgc_PON = nt_bgc_PON_in if (present(nlt_bgc_Nit_in) ) nlt_bgc_Nit = nlt_bgc_Nit_in if (present(nlt_bgc_Am_in) ) nlt_bgc_Am = nlt_bgc_Am_in if (present(nlt_bgc_Sil_in) ) nlt_bgc_Sil = nlt_bgc_Sil_in if (present(nlt_bgc_DMSPp_in)) nlt_bgc_DMSPp = nlt_bgc_DMSPp_in if (present(nlt_bgc_DMSPd_in)) nlt_bgc_DMSPd = nlt_bgc_DMSPd_in if (present(nlt_bgc_DMS_in) ) nlt_bgc_DMS = nlt_bgc_DMS_in if (present(nlt_bgc_hum_in) ) nlt_bgc_hum = nlt_bgc_hum_in if (present(nlt_bgc_PON_in) ) nlt_bgc_PON = nlt_bgc_PON_in if (present(nlt_chl_sw_in) ) nlt_chl_sw = nlt_chl_sw_in if (present(nt_zbgc_frac_in) ) nt_zbgc_frac = nt_zbgc_frac_in if (present(nt_bgc_S_in) ) nt_bgc_S = nt_bgc_S_in if (present(nbtrcr_in)) then nbtrcr = nbtrcr_in do k = 1, nbtrcr_in if (present(bio_index_o_in)) bio_index_o(k)= bio_index_o_in(k) if (present(bio_index_in) ) bio_index(k) = bio_index_in(k) enddo endif if (present(n_algae_in)) then n_algae = n_algae_in do k = 1, n_algae_in if (present(nt_bgc_N_in) ) nt_bgc_N(k) = nt_bgc_N_in(k) if (present(nlt_bgc_N_in)) nlt_bgc_N(k)= nlt_bgc_N_in(k) if (present(nt_bgc_chl_in) ) nt_bgc_chl(k) = nt_bgc_chl_in(k) if (present(nlt_bgc_chl_in)) nlt_bgc_chl(k)= nlt_bgc_chl_in(k) enddo endif ! algal C is not yet distinct from algal N ! if (present(n_algalC_in)) then ! n_algalC = n_algalC_in ! do k = 1, n_algalC_in ! if (present(nt_bgc_C_in) ) nt_bgc_C(k) = nt_bgc_C_in(k) ! if (present(nlt_bgc_C_in)) nlt_bgc_C(k)= nlt_bgc_C_in(k) ! enddo ! endif if (present(n_DOC_in)) then n_DOC = n_DOC_in do k = 1, n_DOC_in if (present(nt_bgc_DOC_in) ) nt_bgc_DOC(k) = nt_bgc_DOC_in(k) if (present(nlt_bgc_DOC_in)) nlt_bgc_DOC(k)= nlt_bgc_DOC_in(k) enddo endif if (present(n_DON_in)) then n_DON = n_DON_in do k = 1, n_DON_in if (present(nt_bgc_DON_in) ) nt_bgc_DON(k) = nt_bgc_DON_in(k) if (present(nlt_bgc_DON_in)) nlt_bgc_DON(k)= nlt_bgc_DON_in(k) enddo endif if (present(n_DIC_in)) then n_DIC = n_DIC_in do k = 1, n_DIC_in if (present(nt_bgc_DIC_in) ) nt_bgc_DIC(k) = nt_bgc_DIC_in(k) if (present(nlt_bgc_DIC_in)) nlt_bgc_DIC(k)= nlt_bgc_DIC_in(k) enddo endif if (present(n_fed_in)) then n_fed = n_fed_in do k = 1, n_fed_in if (present(nt_bgc_Fed_in) ) nt_bgc_Fed(k) = nt_bgc_Fed_in(k) if (present(nlt_bgc_Fed_in)) nlt_bgc_Fed(k)= nlt_bgc_Fed_in(k) enddo endif if (present(n_fep_in)) then n_fed = n_fep_in do k = 1, n_fep_in if (present(nt_bgc_Fep_in) ) nt_bgc_Fep(k) = nt_bgc_Fep_in(k) if (present(nlt_bgc_Fep_in)) nlt_bgc_Fep(k)= nlt_bgc_Fep_in(k) enddo endif if (present(n_zaero_in)) then n_zaero = n_zaero_in do k = 1, n_zaero_in if (present(nt_zaero_in) ) nt_zaero(k) = nt_zaero_in(k) if (present(nlt_zaero_in) ) nlt_zaero(k) = nlt_zaero_in(k) if (present(nlt_zaero_sw_in)) nlt_zaero_sw(k)= nlt_zaero_sw_in(k) enddo endif end subroutine icepack_init_tracer_indices !======================================================================= ! query the number of column tracer indices subroutine icepack_query_tracer_indices(& nt_Tsfc_out, nt_qice_out, nt_qsno_out, nt_sice_out, & nt_fbri_out, nt_iage_out, nt_FY_out, & nt_alvl_out, nt_vlvl_out, nt_apnd_out, nt_hpnd_out, nt_ipnd_out, & nt_aero_out, nt_zaero_out, & nt_bgc_N_out, nt_bgc_C_out, nt_bgc_chl_out, nt_bgc_DOC_out, nt_bgc_DON_out, & nt_bgc_DIC_out, nt_bgc_Fed_out, nt_bgc_Fep_out, nt_bgc_Nit_out, nt_bgc_Am_out, & nt_bgc_Sil_out, nt_bgc_DMSPp_out, nt_bgc_DMSPd_out, nt_bgc_DMS_out, nt_bgc_hum_out, & nt_bgc_PON_out, nlt_zaero_out, nlt_bgc_N_out, nlt_bgc_C_out, nlt_bgc_chl_out, & nlt_bgc_DOC_out, nlt_bgc_DON_out, nlt_bgc_DIC_out, nlt_bgc_Fed_out, & nlt_bgc_Fep_out, nlt_bgc_Nit_out, nlt_bgc_Am_out, nlt_bgc_Sil_out, & nlt_bgc_DMSPp_out, nlt_bgc_DMSPd_out, nlt_bgc_DMS_out, nlt_bgc_hum_out, & nlt_bgc_PON_out, nt_zbgc_frac_out, nt_bgc_S_out, nlt_chl_sw_out, & nlt_zaero_sw_out, & bio_index_o_out, bio_index_out) integer, intent(out), optional :: & nt_Tsfc_out, & ! ice/snow temperature nt_qice_out, & ! volume-weighted ice enthalpy (in layers) nt_qsno_out, & ! volume-weighted snow enthalpy (in layers) nt_sice_out, & ! volume-weighted ice bulk salinity (CICE grid layers) nt_fbri_out, & ! volume fraction of ice with dynamic salt (hinS/vicen*aicen) nt_iage_out, & ! volume-weighted ice age nt_FY_out, & ! area-weighted first-year ice area nt_alvl_out, & ! level ice area fraction nt_vlvl_out, & ! level ice volume fraction nt_apnd_out, & ! melt pond area fraction nt_hpnd_out, & ! melt pond depth nt_ipnd_out, & ! melt pond refrozen lid thickness nt_aero_out, & ! starting index for aerosols in ice nt_bgc_Nit_out, & ! nutrients nt_bgc_Am_out, & ! nt_bgc_Sil_out, & ! nt_bgc_DMSPp_out,&! trace gases (skeletal layer) nt_bgc_DMSPd_out,&! nt_bgc_DMS_out, & ! nt_bgc_hum_out, & ! nt_bgc_PON_out, & ! zooplankton and detritus nlt_bgc_Nit_out,& ! nutrients nlt_bgc_Am_out, & ! nlt_bgc_Sil_out,& ! nlt_bgc_DMSPp_out,&! trace gases (skeletal layer) nlt_bgc_DMSPd_out,&! nlt_bgc_DMS_out,& ! nlt_bgc_hum_out,& ! nlt_bgc_PON_out,& ! zooplankton and detritus nt_zbgc_frac_out,&! fraction of tracer in the mobile phase nt_bgc_S_out, & ! Bulk salinity in fraction ice with dynamic salinity (Bio grid)) nlt_chl_sw_out ! points to total chla in trcrn_sw integer (kind=int_kind), dimension(:), intent(out), optional :: & bio_index_o_out, & bio_index_out integer (kind=int_kind), dimension(:), intent(out), optional :: & nt_bgc_N_out , & ! diatoms, phaeocystis, pico/small nt_bgc_C_out , & ! diatoms, phaeocystis, pico/small nt_bgc_chl_out, & ! diatoms, phaeocystis, pico/small nlt_bgc_N_out , & ! diatoms, phaeocystis, pico/small nlt_bgc_C_out , & ! diatoms, phaeocystis, pico/small nlt_bgc_chl_out ! diatoms, phaeocystis, pico/small integer (kind=int_kind), dimension(:), intent(out), optional :: & nt_bgc_DOC_out, & ! dissolved organic carbon nlt_bgc_DOC_out ! dissolved organic carbon integer (kind=int_kind), dimension(:), intent(out), optional :: & nt_bgc_DON_out, & ! dissolved organic nitrogen nlt_bgc_DON_out ! dissolved organic nitrogen integer (kind=int_kind), dimension(:), intent(out), optional :: & nt_bgc_DIC_out, & ! dissolved inorganic carbon nlt_bgc_DIC_out ! dissolved inorganic carbon integer (kind=int_kind), dimension(:), intent(out), optional :: & nt_bgc_Fed_out, & ! dissolved iron nt_bgc_Fep_out, & ! particulate iron nlt_bgc_Fed_out,& ! dissolved iron nlt_bgc_Fep_out ! particulate iron integer (kind=int_kind), dimension(:), intent(out), optional :: & nt_zaero_out, & ! black carbon and other aerosols nlt_zaero_out, & ! black carbon and other aerosols nlt_zaero_sw_out ! black carbon and dust in trcrn_sw if (present(nt_Tsfc_out)) nt_Tsfc_out = nt_Tsfc if (present(nt_qice_out)) nt_qice_out = nt_qice if (present(nt_qsno_out)) nt_qsno_out = nt_qsno if (present(nt_sice_out)) nt_sice_out = nt_sice if (present(nt_fbri_out)) nt_fbri_out = nt_fbri if (present(nt_iage_out)) nt_iage_out = nt_iage if (present(nt_FY_out) ) nt_FY_out = nt_FY if (present(nt_alvl_out)) nt_alvl_out = nt_alvl if (present(nt_vlvl_out)) nt_vlvl_out = nt_vlvl if (present(nt_apnd_out)) nt_apnd_out = nt_apnd if (present(nt_hpnd_out)) nt_hpnd_out = nt_hpnd if (present(nt_ipnd_out)) nt_ipnd_out = nt_ipnd if (present(nt_aero_out)) nt_aero_out = nt_aero if (present(nt_bgc_Nit_out) ) nt_bgc_Nit_out = nt_bgc_Nit if (present(nt_bgc_Am_out) ) nt_bgc_Am_out = nt_bgc_Am if (present(nt_bgc_Sil_out) ) nt_bgc_Sil_out = nt_bgc_Sil if (present(nt_bgc_DMSPp_out) ) nt_bgc_DMSPp_out = nt_bgc_DMSPp if (present(nt_bgc_DMSPd_out) ) nt_bgc_DMSPd_out = nt_bgc_DMSPd if (present(nt_bgc_DMS_out) ) nt_bgc_DMS_out = nt_bgc_DMS if (present(nt_bgc_hum_out) ) nt_bgc_hum_out = nt_bgc_hum if (present(nt_bgc_PON_out) ) nt_bgc_PON_out = nt_bgc_PON if (present(nlt_bgc_Nit_out) ) nlt_bgc_Nit_out = nlt_bgc_Nit if (present(nlt_bgc_Am_out) ) nlt_bgc_Am_out = nlt_bgc_Am if (present(nlt_bgc_Sil_out) ) nlt_bgc_Sil_out = nlt_bgc_Sil if (present(nlt_bgc_DMSPp_out)) nlt_bgc_DMSPp_out = nlt_bgc_DMSPp if (present(nlt_bgc_DMSPd_out)) nlt_bgc_DMSPd_out = nlt_bgc_DMSPd if (present(nlt_bgc_DMS_out) ) nlt_bgc_DMS_out = nlt_bgc_DMS if (present(nlt_bgc_hum_out) ) nlt_bgc_hum_out = nlt_bgc_hum if (present(nlt_bgc_PON_out) ) nlt_bgc_PON_out = nlt_bgc_PON if (present(nlt_chl_sw_out) ) nlt_chl_sw_out = nlt_chl_sw if (present(nt_zbgc_frac_out) ) nt_zbgc_frac_out = nt_zbgc_frac if (present(nt_bgc_S_out) ) nt_bgc_S_out = nt_bgc_S if (present(bio_index_o_out) ) bio_index_o_out = bio_index_o if (present(bio_index_out) ) bio_index_out = bio_index if (present(nt_bgc_N_out) ) nt_bgc_N_out = nt_bgc_N if (present(nlt_bgc_N_out) ) nlt_bgc_N_out = nlt_bgc_N if (present(nt_bgc_C_out) ) nt_bgc_C_out = nt_bgc_C if (present(nlt_bgc_C_out) ) nlt_bgc_C_out = nlt_bgc_C if (present(nt_bgc_chl_out) ) nt_bgc_chl_out = nt_bgc_chl if (present(nlt_bgc_chl_out) ) nlt_bgc_chl_out = nlt_bgc_chl if (present(nt_bgc_DOC_out) ) nt_bgc_DOC_out = nt_bgc_DOC if (present(nlt_bgc_DOC_out) ) nlt_bgc_DOC_out = nlt_bgc_DOC if (present(nt_bgc_DON_out) ) nt_bgc_DON_out = nt_bgc_DON if (present(nlt_bgc_DON_out) ) nlt_bgc_DON_out = nlt_bgc_DON if (present(nt_bgc_DIC_out) ) nt_bgc_DIC_out = nt_bgc_DIC if (present(nlt_bgc_DIC_out) ) nlt_bgc_DIC_out = nlt_bgc_DIC if (present(nt_bgc_Fed_out) ) nt_bgc_Fed_out = nt_bgc_Fed if (present(nlt_bgc_Fed_out) ) nlt_bgc_Fed_out = nlt_bgc_Fed if (present(nt_bgc_Fep_out) ) nt_bgc_Fep_out = nt_bgc_Fep if (present(nlt_bgc_Fep_out) ) nlt_bgc_Fep_out = nlt_bgc_Fep if (present(nt_zaero_out) ) nt_zaero_out = nt_zaero if (present(nlt_zaero_out) ) nlt_zaero_out = nlt_zaero if (present(nlt_zaero_sw_out)) nlt_zaero_sw_out = nlt_zaero_sw end subroutine icepack_query_tracer_indices !======================================================================= ! write the number of column tracer indices subroutine icepack_write_tracer_indices(iounit) integer, intent(in), optional :: iounit ! local integer (kind=int_kind) :: k write(iounit,*) "icepack_write_tracer_indices:" write(iounit,*) " nt_Tsfc = ",nt_Tsfc write(iounit,*) " nt_qice = ",nt_qice write(iounit,*) " nt_qsno = ",nt_qsno write(iounit,*) " nt_sice = ",nt_sice write(iounit,*) " nt_fbri = ",nt_fbri write(iounit,*) " nt_iage = ",nt_iage write(iounit,*) " nt_FY = ",nt_FY write(iounit,*) " nt_alvl = ",nt_alvl write(iounit,*) " nt_vlvl = ",nt_vlvl write(iounit,*) " nt_apnd = ",nt_apnd write(iounit,*) " nt_hpnd = ",nt_hpnd write(iounit,*) " nt_ipnd = ",nt_ipnd write(iounit,*) " nt_aero = ",nt_aero write(iounit,*) " nt_bgc_Nit = ",nt_bgc_Nit write(iounit,*) " nt_bgc_Am = ",nt_bgc_Am write(iounit,*) " nt_bgc_Sil = ",nt_bgc_Sil write(iounit,*) " nt_bgc_DMSPp = ",nt_bgc_DMSPp write(iounit,*) " nt_bgc_DMSPd = ",nt_bgc_DMSPd write(iounit,*) " nt_bgc_DMS = ",nt_bgc_DMS write(iounit,*) " nt_bgc_hum = ",nt_bgc_hum write(iounit,*) " nt_bgc_PON = ",nt_bgc_PON write(iounit,*) " nlt_bgc_Nit = ",nlt_bgc_Nit write(iounit,*) " nlt_bgc_Am = ",nlt_bgc_Am write(iounit,*) " nlt_bgc_Sil = ",nlt_bgc_Sil write(iounit,*) " nlt_bgc_DMSPp = ",nlt_bgc_DMSPp write(iounit,*) " nlt_bgc_DMSPd = ",nlt_bgc_DMSPd write(iounit,*) " nlt_bgc_DMS = ",nlt_bgc_DMS write(iounit,*) " nlt_bgc_hum = ",nlt_bgc_hum write(iounit,*) " nlt_bgc_PON = ",nlt_bgc_PON write(iounit,*) " nlt_chl_sw = ",nlt_chl_sw write(iounit,*) " nt_zbgc_frac = ",nt_zbgc_frac write(iounit,*) " nt_bgc_S = ",nt_bgc_S write(iounit,*) " max_nbtrcr = ",max_nbtrcr do k = 1, max_nbtrcr write(iounit,*) " bio_index_o(k) = ",k,bio_index_o(k) write(iounit,*) " bio_index(k) = ",k,bio_index(k) enddo write(iounit,*) " max_algae = ",max_algae do k = 1, max_algae write(iounit,*) " nt_bgc_N(k) = ",k,nt_bgc_N(k) write(iounit,*) " nlt_bgc_N(k) = ",k,nlt_bgc_N(k) ! write(iounit,*) " nt_bgc_C(k) = ",k,nt_bgc_C(k) ! write(iounit,*) " nlt_bgc_C(k) = ",k,nlt_bgc_C(k) write(iounit,*) " nt_bgc_chl(k) = ",k,nt_bgc_chl(k) write(iounit,*) " nlt_bgc_chl(k) = ",k,nlt_bgc_chl(k) enddo write(iounit,*) " max_DOC = ",max_DOC do k = 1, max_DOC write(iounit,*) " nt_bgc_DOC(k) = ",k,nt_bgc_DOC(k) write(iounit,*) " nlt_bgc_DOC(k) = ",k,nlt_bgc_DOC(k) enddo write(iounit,*) " max_DON = ",max_DON do k = 1, max_DON write(iounit,*) " nt_bgc_DON(k) = ",k,nt_bgc_DON(k) write(iounit,*) " nlt_bgc_DON(k) = ",k,nlt_bgc_DON(k) enddo write(iounit,*) " max_DIC = ",max_DIC do k = 1, max_DIC write(iounit,*) " nt_bgc_DIC(k) = ",k,nt_bgc_DIC(k) write(iounit,*) " nlt_bgc_DIC(k) = ",k,nlt_bgc_DIC(k) enddo write(iounit,*) " max_fe = ",max_fe do k = 1, max_fe write(iounit,*) " nt_bgc_Fed(k) = ",k,nt_bgc_Fed(k) write(iounit,*) " nlt_bgc_Fed(k) = ",k,nlt_bgc_Fed(k) write(iounit,*) " nt_bgc_Fep(k) = ",k,nt_bgc_Fep(k) write(iounit,*) " nlt_bgc_Fep(k) = ",k,nlt_bgc_Fep(k) enddo write(iounit,*) " max_aero = ",max_aero do k = 1, max_aero write(iounit,*) " nt_zaero(k) = ",k,nt_zaero(k) write(iounit,*) " nlt_zaero(k) = ",k,nlt_zaero(k) write(iounit,*) " nlt_zaero_sw(k) = ",k,nlt_zaero_sw(k) enddo end subroutine icepack_write_tracer_indices !======================================================================= ! set the number of column tracers subroutine icepack_init_tracer_numbers(& ntrcr_in, ntrcr_o_in, nbtrcr_in, nbtrcr_sw_in) integer (kind=int_kind), intent(in), optional :: & ntrcr_in , &! number of tracers in use ntrcr_o_in, &! number of non-bio tracers in use nbtrcr_in , &! number of bio tracers in use nbtrcr_sw_in ! number of shortwave bio tracers in use if (present(ntrcr_in) ) ntrcr = ntrcr_in if (present(ntrcr_o_in) ) ntrcr_o = ntrcr_o_in if (present(nbtrcr_in) ) nbtrcr = nbtrcr_in if (present(nbtrcr_sw_in)) nbtrcr_sw = nbtrcr_sw_in end subroutine icepack_init_tracer_numbers !======================================================================= ! query the number of column tracers subroutine icepack_query_tracer_numbers(& ntrcr_out, ntrcr_o_out, nbtrcr_out, nbtrcr_sw_out) integer (kind=int_kind), intent(out), optional :: & ntrcr_out , &! number of tracers in use ntrcr_o_out, &! number of non-bio tracers in use nbtrcr_out , &! number of bio tracers in use nbtrcr_sw_out ! number of shortwave bio tracers in use if (present(ntrcr_out) ) ntrcr_out = ntrcr if (present(ntrcr_o_out) ) ntrcr_o_out = ntrcr_o if (present(nbtrcr_out) ) nbtrcr_out = nbtrcr if (present(nbtrcr_sw_out)) nbtrcr_sw_out = nbtrcr_sw end subroutine icepack_query_tracer_numbers !======================================================================= ! write the number of column tracers subroutine icepack_write_tracer_numbers(iounit) integer (kind=int_kind), intent(in) :: iounit write(iounit,*) "icepack_write_tracer_numbers:" write(iounit,*) " ntrcr = ",ntrcr write(iounit,*) " nbtrcr = ",nbtrcr write(iounit,*) " nbtrcr_sw = ",nbtrcr_sw end subroutine icepack_write_tracer_numbers !======================================================================= ! Compute tracer fields. ! Given atrcrn = aicen*trcrn (or vicen*trcrn, vsnon*trcrn), compute trcrn. ! ! author: William H. Lipscomb, LANL subroutine icepack_compute_tracers (ntrcr, trcr_depend, & atrcrn, aicen, & vicen, vsnon, & trcr_base, n_trcr_strata, & nt_strata, trcrn) integer (kind=int_kind), intent(in) :: & ntrcr ! number of tracers in use integer (kind=int_kind), dimension (ntrcr), intent(in) :: & trcr_depend, & ! = 0 for aicen tracers, 1 for vicen, 2 for vsnon n_trcr_strata ! number of underlying tracer layers real (kind=dbl_kind), dimension (:,:), intent(in) :: & trcr_base ! = 0 or 1 depending on tracer dependency ! argument 2: (1) aice, (2) vice, (3) vsno integer (kind=int_kind), dimension (:,:), intent(in) :: & nt_strata ! indices of underlying tracer layers real (kind=dbl_kind), dimension (:), intent(in) :: & atrcrn ! aicen*trcrn or vicen*trcrn or vsnon*trcrn real (kind=dbl_kind), intent(in) :: & aicen , & ! concentration of ice vicen , & ! volume per unit area of ice (m) vsnon ! volume per unit area of snow (m) real (kind=dbl_kind), dimension (ntrcr), intent(out) :: & trcrn ! ice tracers ! local variables integer (kind=int_kind) :: & it, & ! tracer index itl, & ! tracer index ntr, & ! tracer index k ! loop index real (kind=dbl_kind), dimension(3) :: & divisor ! base quantity on which tracers are carried real (kind=dbl_kind) :: & work ! temporary scalar !----------------------------------------------------------------- ! Compute new tracers !----------------------------------------------------------------- do it = 1, ntrcr divisor(1) = trcr_base(it,1)*aicen divisor(2) = trcr_base(it,2)*vicen divisor(3) = trcr_base(it,3)*vsnon if (trcr_depend(it) == 0) then ! ice area tracers if (aicen > puny) then trcrn(it) = atrcrn(it) / aicen else trcrn(it) = c0 if (it == nt_Tsfc) trcrn(it) = Tocnfrz ! surface temperature endif else work = c0 do k = 1, 3 if (divisor(k) > c0) then work = atrcrn(it) / divisor(k) endif enddo trcrn(it) = work ! save it if (n_trcr_strata(it) > 0) then ! additional tracer layers do itl = 1, n_trcr_strata(it) ntr = nt_strata(it,itl) if (trcrn(ntr) > c0) then trcrn(it) = trcrn(it) / trcrn(ntr) else trcrn(it) = c0 endif enddo endif if (vicen <= c0 .and. it == nt_fbri) trcrn(it) = c1 endif ! trcr_depend=0 enddo end subroutine icepack_compute_tracers !======================================================================= end module icepack_tracers !=======================================================================