| 1 | SUBROUTINE convmas(pbaru, pbarv, convm) |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------- |
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| 4 | ! Authors: P. Le Van , Fr. Hourdin. |
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| 5 | !------------------------------------------------------------------------------- |
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| 6 | ! Purpose: Compute mass flux convergence at p levels. |
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| 7 | USE lmdz_filtreg, ONLY: filtreg |
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| 8 | USE lmdz_comgeom |
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| 9 | |
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| 10 | USE lmdz_dimensions, ONLY: iim, jjm, llm, ndm |
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| 11 | USE lmdz_paramet |
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| 12 | IMPLICIT NONE |
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| 13 | |
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| 14 | |
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| 15 | !=============================================================================== |
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| 16 | ! Arguments: |
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| 17 | REAL, INTENT(IN) :: pbaru(ip1jmp1,llm) |
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| 18 | REAL, INTENT(IN) :: pbarv(ip1jm ,llm) |
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| 19 | REAL, INTENT(OUT) :: convm(ip1jmp1,llm) |
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| 20 | !=============================================================================== |
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| 21 | ! Method used: Computation from top to bottom. |
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| 22 | ! Mass convergence at level llm is equal to zero and is not stored in convm. |
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| 23 | !=============================================================================== |
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| 24 | ! Local variables: |
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| 25 | INTEGER :: l |
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| 26 | !=============================================================================== |
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| 27 | |
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| 28 | !--- Computation of - (d(pbaru)/dx + d(pbarv)/dy ) |
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| 29 | CALL convflu( pbaru, pbarv, llm, convm ) |
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| 30 | |
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| 31 | !--- Filter |
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| 32 | CALL filtreg( convm, jjp1, llm, 2, 2, .TRUE., 1 ) |
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| 33 | |
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| 34 | !--- Mass convergence is integrated from top to bottom |
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| 35 | DO l=llmm1,1,-1 |
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| 36 | convm(:,l) = convm(:,l) + convm(:,l+1) |
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| 37 | END DO |
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| 38 | |
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| 39 | END SUBROUTINE convmas |
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