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C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_taub.F,v 1.1 2013/06/12 21:30:22 dgoldberg Exp $ | 
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C $Name:  $ | 
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#include "STREAMICE_OPTIONS.h" | 
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| | 
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CBOP | 
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      SUBROUTINE STREAMICE_TAUB ( myThid ) | 
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C     /============================================================\ | 
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C     | SUBROUTINE                                                 |    | 
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C     | o                                                          | | 
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C     |============================================================| | 
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C     |                                                            | | 
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C     \============================================================/ | 
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      IMPLICIT NONE | 
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C     === Global variables === | 
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#include "SIZE.h" | 
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#include "GRID.h" | 
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#include "EEPARAMS.h" | 
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#include "PARAMS.h" | 
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#include "STREAMICE.h" | 
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#include "STREAMICE_CG.h" | 
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C     !INPUT/OUTPUT ARGUMENTS | 
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      INTEGER myThid | 
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!       _RL taudx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) | 
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!       _RL taudx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) | 
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#ifdef ALLOW_STREAMICE | 
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#ifdef STREAMICE_HYBRID_STRESS | 
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C     LOCAL VARIABLES | 
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      INTEGER i, j, bi, bj, k, l | 
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      _RL ux, uy, vx, vy, exx, eyy, exy, second_inv, unorm | 
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      _RL umid, vmid | 
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      DO bj=myByLo(myThid),myByHi(myThid) | 
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       DO bi=myBxLo(myThid),myBxHi(myThid) | 
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        DO j=1,sNy | 
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         DO i=1,sNx | 
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cph( | 
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          streamice_taubx (i,j,bi,bj) = 0. | 
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          streamice_tauby (i,j,bi,bj) = 0. | 
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cph) | 
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          IF (STREAMICE_hmask(i,j,bi,bj).eq.1) THEN | 
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!            streamice_taubx (i,j,bi,bj) =  | 
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!      &      tau_beta_eff_streamice(i,j,bi,bj) * U_streamice(i,j,bi,bj) | 
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!            streamice_tauby (i,j,bi,bj) =  | 
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!      &      tau_beta_eff_streamice(i,j,bi,bj) * V_streamice(i,j,bi,bj) | 
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           umid = 0.0 | 
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           vmid = 0.0 | 
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           DO k=0,1 | 
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            DO l=0,1 | 
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             umid = umid + 0.25 *  | 
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     &        dxG(i,j+l,bi,bj)*dyG(i+k,j,bi,bj) *  | 
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     &        recip_rA(i,j,bi,bj) * | 
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     &        U_streamice(i+k,j+l,bi,bj)  | 
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             vmid = vmid + 0.25 *  | 
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     &        dxG(i,j+l,bi,bj)*dyG(i+k,j,bi,bj) *  | 
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     &        recip_rA(i,j,bi,bj) * | 
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     &        V_streamice(i+k,j+l,bi,bj) | 
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            ENDDO | 
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           ENDDO | 
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           streamice_taubx (i,j,bi,bj) =  | 
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     &      tau_beta_eff_streamice(i,j,bi,bj) * umid | 
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           streamice_tauby (i,j,bi,bj) =  | 
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     &      tau_beta_eff_streamice(i,j,bi,bj) * vmid | 
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            | 
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          ENDIF | 
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         ENDDO | 
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        ENDDO | 
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       ENDDO | 
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      ENDDO | 
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#endif | 
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#endif | 
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      RETURN | 
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      END |