Add support for mom (supergrid) grid format

cicecore/cicedyn/general/ice_init.F90

@@ -1948,6 +1948,7 @@ subroutine input_data
          write(nu_diag,*) ' '
          write(nu_diag,*) ' Grid, Discretization'
          write(nu_diag,*) '--------------------------------'
+         write(nu_diag,1030) ' grid_format         = ',trim(grid_format)
          tmpstr2 = ' '
          if (trim(grid_type) == 'rectangular')    tmpstr2 = ' : internally defined, rectangular grid'
          if (trim(grid_type) == 'regional')       tmpstr2 = ' : user-defined, regional grid'
@@ -2692,14 +2693,16 @@ subroutine input_data
           kmt_type  /=  'channel_onenorth' .and. &
           kmt_type  /=  'wall'    .and. &
           kmt_type  /=  'default' .and. &
-          kmt_type  /=  'boxislands') then
+          kmt_type  /=  'boxislands'.and. &
+          kmt_type  /=  'none' ) then
          if (my_task == master_task) write(nu_diag,*) subname//' ERROR: unknown kmt_type=',trim(kmt_type)
          abort_list = trim(abort_list)//":27"
       endif
 
       if (grid_type  /=  'column'      .and. &
           grid_type  /=  'rectangular' .and. &
-          kmt_type   /=  'file') then
+          kmt_type   /=  'file' .and. &
+          kmt_type   /= 'none') then
          if (my_task == master_task) write(nu_diag,*) subname//' ERROR: need kmt file, kmt_type=',trim(kmt_type)
          abort_list = trim(abort_list)//":28"
       endif