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Overview

Ice sheet coupling with the rest of the model depends on which ice sheet is being modeled, Antarctica or Greenland.

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ocean coupling: (glc_c2_ocn): Sg_icemask, Sg_blit, Sg_blis, Sg_lithop, Sg_icemask_grounded

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Assuming glc_present and glc_prognostic are TRUE so not including.

init

prep_lnd_init (glc_c2_lnd)

if(glc_c2_lnd) init mapper_Sg2l, mapper_Fg2l; derive field lists glc2lnd_non_ec_fields and glc2lnd_ec_extra_fields

prep_ocn_init (glc_c2_ocn, glcshelf_c2_ocn)

if (glc_c2_ocn) init mapper_Rg2o_liq and mapper_Rg2o_ice

if(glcshelf_c2_ocn) init mapper_Sg2o and mapper_Fg2o

prep_ice_init (glc_c2_ice, glcshelf_c2_ice)

if (glc_c2_ice) init mapper_Rg2i

if(glcshelf_c2_ice) init mapper_Sg2i,mapper_Fg2i

prep_glc_init( lnd_c2_glc, ocn_c2_glcshelf)

if ( lnd_c2_glc .or. do_hist_l2x1yrg) initialize l2gacc_lx with seq_flds_l2x_fields_to_glc

if ( lnd_c2_glc) initialize l2x_gx with seq_flds_x2g_fields

if (lnd_c2_glc) init mapper_Sl2g, mapper_Fl2g, mapper_Fg2l; form g2x_lx_fields

if (ocn_c2_glcshelf) init o2x_gx with seq_flds_o2x_fields; init x2gacc_gx

also init mapper_So2g, mapper_Fo2g and arrays for compute_melt_fluxes

if (glc_c2_ocn) do mapping Rg2o_liq, Rg2o_ice; g2x_gx to g2x_ox; seq_flds_g2o_liq/ice_fluxes,

if (glcshelf_c2_ocn) do mapping Sg2o, Fg2o; g2x_gx to g2x_ox MIGHT OVERWRITE ABOVE

if(glc_c2_ice) do mapping Rg2i; g2x_gx to g2x_ix ‘Fixx_rofi’ only

if(glcshelf_c2_ice) do mapping_Sg2i; g2x_gx, g2x_ix, Sg_icemask_coupled_fluxes

if (glc_c2_lnd) do mapping Fg2l, g2x_gx, g2x_lx, glc2lnd_non_ec_fields; do special mapping of elevation class fields with mapper_Fg2l, glc2lnd_ec_extra_fields

in run loop

after land receive

call cime_run_glc_setup_send

if (lnd_c2_glc OR ocn_c2_glcshelf)

if (glcrun_avg_alarm) accumulate for lnd and ocn

if (lnd_c2_glc) call prep_glc_calc_l2x_gx

call prep_glc_map_qice_conservative_lnd2glc: special (bilinear with correction) mapping of Flgl_qice only. See Bilinear lnd to glc.

map_lnd2glc (mapper_Sl2g)

if (smb_renormalize) prep_glc_renormalize_smb; map_glc2lnd_ec

call prep_glc_map_one_state_field_lnd2glc: special bilinear mapping one state at a time: also call map_lnd2glc

else prep_glc_zero_flds

At bottom after running atm and ocn

run glc (pass in glc_prognostic)

call cime_run_glc_recv_post

component_exch(glc, flow='c2x')

call cime_run_ocn_recv_post

call cime_run_ocnglc_coupling()

if (glcshelf_to_ocn AND ocn_to_glcshelf)

call prep_glc_calc_o2x_gx: call mapper_So2g; o2x_ox to o2x_gx seq_flds_x2g_states_from_ocn

call prep_glc_calculate_subshelf_boundary_fluxes; compute_melt_fluxes

call prep_ocn_shelf_calc_g2x_ox: map_Sg2o, map_Fg2o; g2x_gx, g2x_ox

prep_glc_accum_ocn (accumulate x2g_g fields)

if ( glcshelf_c2_ice) call mapper map_Sg2i; g2x_gx, g2x_ix; Sg_icemask_coupled_fluxes

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