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 | IMPLICIT NONE |
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9 | include "dimensions.h" |
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10 | include "paramet.h" |
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11 | include "comgeom.h" |
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12 | !=============================================================================== |
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13 | ! Arguments: |
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14 | REAL, INTENT(IN) :: pbaru(ip1jmp1,llm) |
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15 | REAL, INTENT(IN) :: pbarv(ip1jm ,llm) |
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16 | REAL, INTENT(OUT) :: convm(ip1jmp1,llm) |
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17 | !=============================================================================== |
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18 | ! Method used: Computation from top to bottom. |
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19 | ! Mass convergence at level llm is equal to zero and is not stored in convm. |
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20 | !=============================================================================== |
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21 | ! Local variables: |
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22 | INTEGER :: l |
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23 | !=============================================================================== |
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24 | |
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25 | !--- Computation of - (d(pbaru)/dx + d(pbarv)/dy ) |
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26 | CALL convflu( pbaru, pbarv, llm, convm ) |
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27 | |
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28 | !--- Filter |
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29 | CALL filtreg( convm, jjp1, llm, 2, 2, .TRUE., 1 ) |
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30 | |
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31 | !--- Mass convergence is integrated from top to bottom |
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32 | DO l=llmm1,1,-1 |
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33 | convm(:,l) = convm(:,l) + convm(:,l+1) |
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34 | END DO |
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35 | |
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36 | END SUBROUTINE convmas |
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