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jscott |
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#include "ctrparam.h" |
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! ============================================================ |
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! |
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! CHEMSHAP2D.F: A revised version of SHAP2D.F which is a |
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! subroutine for applying Shapiro (2d) |
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! smoothing of MIT Global Chemistry Model |
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! |
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! ------------------------------------------------------------ |
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! |
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! Author: Chien Wang |
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! MIT Joint Program on Science and Policy |
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! of Global Change |
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! |
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! ---------------------------------------------------------- |
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! |
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! Revision History: |
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! |
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! When Who What |
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! ---- ---------- ------- |
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! 080494 Chien Wang rev. |
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! 080200 Chien Wang repack based on CliChem3 & add cpp |
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! |
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! ========================================================== |
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subroutine chemshap2d (MFILTR,NORDER,XXX,IM,JM,J1,ITYPE) 8590. |
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COMMON/WORK2/X1JI(72,46),X2JI(72,46),X3JI(72,46),X1(72),X2(72), |
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* X3(72),X4(72),XM1(72),XJMP1(72) |
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! ---------------------------------------------------------- |
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#if ( defined CPL_CHEM ) |
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C VARIABLE ITYPE DETERMINES TYPE OF BOUNDARY CONDITIONS |
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C ITYPE=1 FOR PS,T AND Q ( XM1=X2) |
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C ITYPE=2 FOR U (XM1=X1) |
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C ITYPE=3 FOR V (XM1=-X1) |
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JMM1=JM-1 |
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J2=J1+1 |
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IMBY2=1 |
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DO 145 N=1,NORDER |
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DO 146 K=1,IM |
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X1(K)=X1JI(K,J1) |
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X2(K)=X1JI(K,J2) |
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X3(K)=X1JI(K,JMM1) |
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X4(K)=X1JI(K,JM) |
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IF(ITYPE.EQ.1)THEN |
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XM1(K)=X1JI(K,J2) |
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XJMP1(K)=X1JI(K,JMM1) |
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ELSEIF(ITYPE.EQ.2)THEN |
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XM1(K)=X1JI(K,J1) |
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XJMP1(K)=X1JI(K,JM) |
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ELSE |
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XM1(K)=-X1JI(K,J1) |
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XJMP1(K)=-X1JI(K,JM) |
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ENDIF |
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146 CONTINUE |
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DO 142 I=1,IM |
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X1IM1=X1JI(I,J1) |
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DO 142 J=J2,JMM1 |
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X1I=X1JI(I,J) |
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X1JI(I,J)=X1IM1-X1I-X1I+X1JI(I,J+1) |
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X1IM1=X1I |
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142 CONTINUE |
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SUM1=0. |
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SUMJM=0. |
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DO 144 K=1,IMBY2 |
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ccc SUM1 =SUM1 +X2(K)-X1(K)-X1(K)+X2(K) |
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SUM1 =SUM1 +XM1(K)-X1(K)-X1(K)+X2(K) |
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ccc SUMJM=SUMJM+X3(K)-X4(K)-X4(K)+X3(K) |
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SUMJM=SUMJM+X3(K)-X4(K)-X4(K)+XJMP1(K) |
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144 CONTINUE |
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X1SUM =SUM1 /IMBY2 |
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XJMSUM =SUMJM/IMBY2 |
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c DO 147 K=1,IM |
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c X1JI(K,JM)=XJMSUM |
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c 147 X1JI(K,J1)= X1SUM |
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145 CONTINUE |
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DO 160 I=1,IM |
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c DO 160 J=J1,JM |
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do 160 j=j2,jmm1 |
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X1JI(I,J)=(X3JI(I,J)-X1JI(I,J)/XXX) |
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160 CONTINUE |
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#endif |
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RETURN |
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END |
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