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C $Header: /u/gcmpack/MITgcm/pkg/atm_ocn_coupler/atm_to_ocn_maprunoff.F,v 1.4 2014/07/19 23:01:48 jmc Exp $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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CBOP 0 |
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C !ROUTINE: ATM_TO_OCN_MAPRUNOFF |
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C !INTERFACE: |
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SUBROUTINE ATM_TO_OCN_MAPRUNOFF( |
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I fld_atm, |
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O fld_ocn, |
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U add2ocn ) |
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C !DESCRIPTION: |
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C *==========================================================* |
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C | SUBROUTINE ATM_TO_OCN_MAPRUNOFF |
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C | o maps RunOff from atmos. grid (land) to ocean grid |
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C | and Incorporate (substract) to ocean FreshWater flux |
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C *==========================================================* |
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C !USES: |
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IMPLICIT NONE |
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C == Global variables == |
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#include "ATMSIZE.h" |
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#include "OCNSIZE.h" |
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#include "CPL_MAP2GRIDS.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C fld_atm :: Atmos. grid Run-Off field |
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C fld_ocn :: Ocean grid Run-Off field (atmos field will be mapped to this) |
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C add2ocn :: Ocean grid FreshWater field to update by substracting Run-Off |
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_RL fld_atm(Nx_atm*Ny_atm) |
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_RL fld_ocn(Nx_ocn*Ny_ocn) |
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_RL add2ocn(Nx_ocn*Ny_ocn) |
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CEOP |
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C !LOCAL VARIABLES: |
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INTEGER n, ijo, ija |
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C Set to zero everywhere |
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DO ijo=1,Nx_ocn*Ny_ocn |
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fld_ocn(ijo) = 0. |
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ENDDO |
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C Maps Runoff from land grid point to ocean grid point |
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C and update oceanic FreshWater flux (substract RunOff) |
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DO n=1,nROmap |
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ijo=ijROocn(n) |
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ija=ijROatm(n) |
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fld_ocn(ijo) = fld_ocn(ijo) |
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& + fld_atm(ija)*arROmap(n) |
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add2ocn(ijo) = add2ocn(ijo) |
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& - fld_atm(ija)*arROmap(n) |
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ENDDO |
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|
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RETURN |
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END |
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