Generate Forcing Files
2026/8/5 17:28:08 网站建设 项目流程
  1. Grab the entire region’s stations (https://coastwatch.glerl.noaa.gov/marobs/stations.lmd) or for a specific lake “stations-superior.lmd”. And save it to the target path. The address might change. Please see the screenshot below.

    The station lmd files can be found in the following link: https://drive.google.com/drive/u/0/folders/1Kod6ECcryiDvwRIcrT4RfLRuxD7KfAbK

  2. In the directory (target path) where you want to create the forcing, edit the file “metedit.in” and update the.lmd file and the glsea-temps.dat files on lines 2, 3 and 4. Also edit the year in lines 5 and 6, and then change line 8 to the appropriate # of hours (8760 in normal years, 8784 in leap years).
    metedit.in shows like below:

# leave first line blankstations_superior.lmd2008.lmd glsea-temps2008_1024.dat e2008001002008001 00 IYR,IJD,IHR1. DTWIND8784NHRS2SELECTMOD
  • The *lmd file for line 3 can be downloaded here: https://coastwatch.glerl.noaa.gov/AnnualLMD/(now have been updated to https://apps.glerl.noaa.gov/marobs/lmd/)
  • The glsea-temps files for line 4 can be downloaded here: https://coastwatch.glerl.noaa.gov/ftp/glsea/avgtemps/1995/glsea-temps1995_1024.dat (Note: remove all the lines of headers)
wgethttps://coastwatch.glerl.noaa.gov/ftp/glsea/avgtemps/1995/glsea-temps1995_1024.dat
  1. Compile metedit-crmod.f
module load intel/2016.1 ifort-ometedit-crmod.exe metedit-crmod.f ./metedit-crmod.exe<metedit.in>metedit.out
  • This program will create both an output file (metedit.out) and an adjusted meteorology file (metobs.dat)
  1. edit “interp.in” to update the year (Line 5), and the # of hours on Line 7 (8761 for normal years, 8785 for leap years)
superior_grd.dat metobs.dat e2008001002008001 00 IYR,IJD,IHR1. DTWIND8785NHRS
  1. Compile interpun.f
    The original interpun.f has some issue on reading grid file. Some modification has been made. Please see below.
!====Chuyan2026/04/06====CHARACTER(LEN=100):: linegrd INTEGER :: pos!====Chuyan2026/04/06====..... C READ ELEMENT DESCRIPTION SECTION!READ(1,'(15X,I6)')NS!ori!READ(1,'(15X,i6)')NEL!ori!========Chuyan2026/04/06=====C ---------- READ NODE / CELL NUMBER ---------- C Node Number READ(1,'(A)')linegrd pos=INDEX(linegrd,'=')READ(linegrd(pos+1:),*)NS C Cell Number READ(1,'(A)')linegrd pos=INDEX(linegrd,'=')READ(linegrd(pos+1:),*)NEL!=======Chuyan2026/04/06=====

Check the grid dat file, when it contains 5 columns,

ode Number=6106Cell Number=115091617121621382614283158431

use:

1READ(1,*)(N,(NV(I,J),I=1,3),N,J=1,NEL)!ori

when it contains 4 columns,

Node Number=1133Cell Number=201911133112911312113311311132312644165276

use:

1READ(1,*)(N,(NV(I,J),I=1,3),J=1,NEL)!Chuyan2026/04/06
module load intel/2016.1 icc-cstack.c stackpair.c volume.c ifort-O-ointerpun-new.exe interpun.f stack.o stackpair.o volume.o
  1. qsub interpun.sh
  2. rename *_uvw.dat to *_wnd.dat
  3. Edit your “*_forcing.nml” file (superior_forcing.nml in example) with appropriate dates, file locations, and file names (note: this assumes wind speed is being used instead of stress)
&NML_SURFACE_FORCE INPUT_DIR='./', OUTPUT_DIR='./', INPUT_FILE='e200800100', INPUT_FILE_TYPE='binary speed', OUTPUT_FILE='e200800100_forcing_marobs.nc', OUTPUT_FILE_TYPE='unstructured', GRID_FILE='superior_grd.dat', GRID_FILE_UNITS='degrees', PROJECTION_REFERENCE='none', DATE_FORMAT='YMD', START_DATE='2008-01-01 00:00:00', TIMEZONE='UTC', END_DATE='2009-01-01 00:00:00', OUT_INTERVAL='seconds=3600.0', ZERO_TIME='2008-01-01 00:00:00', DATE_REFERENCE='1858-11-17 00:00:00', /
  1. Make sure there is “xsurfaceforce” executable file in the present directory.
    To generate “xsurfaceforce”, first compile the fvcom code (/pexue5/chuyan/generate_forcing/forcing/code_xsurfaceforce), then compile (/pexue5/chuyan/generate_forcing/forcing/code_xsurfaceforce/input/surface_forcing).
  2. qsub xsurfaceforce.sh
  3. The new generated nc file is the target forcing input file.

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