[17] | 1 | MODULE disvert_ncar_mod |
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[19] | 2 | USE icosa |
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[17] | 3 | |
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| 4 | REAL(rstd), SAVE, ALLOCATABLE,TARGET :: ap(:) |
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| 5 | REAL(rstd), SAVE, ALLOCATABLE,TARGET :: bp(:) |
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| 6 | REAL(rstd), SAVE, ALLOCATABLE,TARGET :: presnivs(:) |
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| 7 | |
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[25] | 8 | CONTAINS |
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[17] | 9 | !========================================================================= |
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| 10 | |
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| 11 | SUBROUTINE init_disvert |
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[19] | 12 | USE icosa |
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[17] | 13 | IMPLICIT NONE |
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| 14 | |
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| 15 | ALLOCATE(ap(llm+1)) |
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| 16 | ALLOCATE(bp(llm+1)) |
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| 17 | ALLOCATE(presnivs(llm)) |
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| 18 | |
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| 19 | CALL disvert(ap,bp,presnivs) |
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| 20 | |
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| 21 | END SUBROUTINE init_disvert |
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| 22 | |
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| 23 | SUBROUTINE disvert(ap,bp,presnivs) |
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[19] | 24 | USE icosa |
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[131] | 25 | USE mpipara |
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[17] | 26 | IMPLICIT NONE |
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| 27 | REAL(rstd),INTENT(OUT) :: ap(:) |
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| 28 | REAL(rstd),INTENT(OUT) :: bp(:) |
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| 29 | REAL(rstd),INTENT(OUT) :: presnivs(:) |
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[25] | 30 | ! reads from run.def : ncar_dz, ncar_T0, ncar_p0, ncar_disvert_c |
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[17] | 31 | INTEGER :: l,cindx |
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[25] | 32 | REAL(rstd) :: H, eta_top, eta |
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[17] | 33 | |
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[25] | 34 | ncar_dz=400 ; CALL getin('ncar_dz',ncar_dz); |
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[17] | 35 | |
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[25] | 36 | ! SELECT CASE( |
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| 37 | ! pressure profile depends on test case |
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| 38 | ! coded here for 1-x (transport) |
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[17] | 39 | |
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[25] | 40 | ncar_T0=300; CALL getin('ncar_T0',ncar_T0) |
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| 41 | ncar_p0=1e5; CALL getin('ncar_p0',ncar_p0) |
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| 42 | cindx=1 ; CALL getin('ncar_disvert_c',cindx) |
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[17] | 43 | |
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[25] | 44 | H = ncar_T0*cpp*kappa/g ! height scale R.T0/g with R=cpp*kappa |
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| 45 | eta_top = exp(-llm*ncar_dz/H) |
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| 46 | |
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| 47 | do l = 1,llm+1 |
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| 48 | eta = exp(-(l-1)*ncar_dz/H) |
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| 49 | bp(l) = ((eta - eta_top)/(1 - eta_top))**cindx |
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| 50 | ap(l) = ncar_p0 * ( eta - bp(l) ) |
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| 51 | ENDDO |
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| 52 | bp(1)=1. |
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| 53 | ap(1)=0. |
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| 54 | bp(llm+1) = 0 |
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[17] | 55 | |
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[25] | 56 | DO l = 1, llm |
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| 57 | presnivs(l) = 0.5 *( ap(l)+bp(l)*ncar_p0 + ap(l+1)+bp(l+1)*ncar_p0 ) |
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| 58 | ENDDO |
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[17] | 59 | |
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[131] | 60 | IF (is_mpi_root) PRINT *, 'Vertical placement of model levels according to DCMIP Appendix E.3' |
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| 61 | IF (is_mpi_root) PRINT *, 'Parameters : ncar_dz=', ncar_dz, ' ncar_p0=',ncar_p0, ' ncar_disvert_c=',cindx |
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[25] | 62 | PRINT *, 'Isothermal amtosphere with ncar_T0=',ncar_T0 |
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[17] | 63 | |
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[25] | 64 | END SUBROUTINE disvert |
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| 65 | |
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[17] | 66 | END MODULE disvert_ncar_mod |
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