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Fixes wrong number of levels in z-coord diags #1002

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Merged
Hallberg-NOAA merged 1 commit into from
Dec 26, 2025
Merged

Fixes wrong number of levels in z-coord diags #1002

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12 changes: 10 additions & 2 deletions src/ALE/MOM_regridding.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -432,8 +432,16 @@ subroutine initialize_regridding(CS, G, GV, US, max_depth, param_file, mdl, &
trim(message), units=trim(coord_units))
elseif (trim(string)=='PARAM') then
! Read coordinate resolution (main model = ALE_RESOLUTION)
ke = GV%ke ! Use model nk by default
allocate(dz(ke))
allocate(dz(1001))
dz(:) = -1. ! Setting to <0 allows detection of unset elements
call get_param(param_file, mdl, coord_res_param, dz, "Scan", units="", do_not_log=.true.)
if (dz(1001)>=0.) call MOM_error(FATAL,trim(mdl)//", initialize_regridding: "// &
"PARAM specification is limited to 1000 values. Hack the code to use more!")
do ke=1,1000 ! Find number of defined levels
if (dz(ke+1)<0.) exit
enddo
deallocate(dz)
allocate(dz(ke)) ! Allocate with the correct number of levels, and re-read thicknesses
call get_param(param_file, mdl, coord_res_param, dz, &
trim(message), units=trim(coord_units), fail_if_missing=.true.)
elseif (index(trim(string),'FILE:')==1) then
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