[362] | 1 | MODULE caldyn_kernels_base_mod |
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| 2 | USE icosa |
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| 3 | USE transfert_mod |
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[373] | 4 | USE disvert_mod |
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[731] | 5 | USE caldyn_vars_mod |
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[373] | 6 | USE omp_para |
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| 7 | USE trace |
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[362] | 8 | IMPLICIT NONE |
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| 9 | PRIVATE |
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[731] | 10 | SAVE |
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[362] | 11 | |
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[373] | 12 | PUBLIC :: compute_geopot, compute_caldyn_vert, compute_caldyn_vert_nh |
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[362] | 13 | |
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| 14 | CONTAINS |
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| 15 | |
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| 16 | !**************************** Geopotential ***************************** |
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| 17 | |
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[404] | 18 | SUBROUTINE compute_geopot(rhodz,theta, ps,pk,geopot) |
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| 19 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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| 20 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) ! active scalars : theta/entropy, moisture, ... |
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[362] | 21 | REAL(rstd),INTENT(INOUT) :: ps(iim*jjm) |
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| 22 | REAL(rstd),INTENT(OUT) :: pk(iim*jjm,llm) ! Exner function (compressible) /Lagrange multiplier (Boussinesq) |
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| 23 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) ! geopotential |
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| 24 | |
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| 25 | INTEGER :: i,j,ij,l |
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[537] | 26 | REAL(rstd) :: Rd, p_ik, exner_ik, temp_ik, qv, chi, Rmix, gv |
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[362] | 27 | INTEGER :: ij_omp_begin_ext, ij_omp_end_ext |
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| 28 | |
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| 29 | CALL trace_start("compute_geopot") |
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| 30 | |
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[479] | 31 | !$OMP BARRIER |
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| 32 | |
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[603] | 33 | CALL distrib_level(ij_begin_ext,ij_end_ext, ij_omp_begin_ext,ij_omp_end_ext) |
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[362] | 34 | |
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[401] | 35 | Rd = kappa*cpp |
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| 36 | |
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[562] | 37 | IF(dysl_geopot) THEN |
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[612] | 38 | #include "../kernels_hex/compute_geopot.k90" |
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[562] | 39 | ELSE |
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[404] | 40 | ! Pressure is computed first top-down (temporarily stored in pk) |
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| 41 | ! Then Exner pressure and geopotential are computed bottom-up |
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| 42 | ! Works also when caldyn_eta=eta_mass |
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| 43 | |
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| 44 | IF(boussinesq) THEN ! compute geopotential and pk=Lagrange multiplier |
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| 45 | ! specific volume 1 = dphi/g/rhodz |
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| 46 | ! IF (is_omp_level_master) THEN ! no openMP on vertical due to dependency |
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[362] | 47 | DO l = 1,llm |
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| 48 | !DIR$ SIMD |
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[404] | 49 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 50 | geopot(ij,l+1) = geopot(ij,l) + g*rhodz(ij,l) |
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[362] | 51 | ENDDO |
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| 52 | ENDDO |
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[404] | 53 | ! use hydrostatic balance with theta*rhodz to find pk (Lagrange multiplier=pressure) |
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| 54 | ! uppermost layer |
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| 55 | !DIR$ SIMD |
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| 56 | DO ij=ij_begin_ext,ij_end_ext |
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| 57 | pk(ij,llm) = ptop + (.5*g)*theta(ij,llm,1)*rhodz(ij,llm) |
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| 58 | END DO |
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| 59 | ! other layers |
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| 60 | DO l = llm-1, 1, -1 |
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| 61 | ! !$OMP DO SCHEDULE(STATIC) |
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[362] | 62 | !DIR$ SIMD |
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| 63 | DO ij=ij_begin_ext,ij_end_ext |
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[404] | 64 | pk(ij,l) = pk(ij,l+1) + (.5*g)*(theta(ij,l,1)*rhodz(ij,l)+theta(ij,l+1,1)*rhodz(ij,l+1)) |
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[362] | 65 | END DO |
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[404] | 66 | END DO |
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| 67 | ! now pk contains the Lagrange multiplier (pressure) |
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| 68 | ELSE ! non-Boussinesq, compute pressure, Exner pressure or temperature, then geopotential |
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| 69 | ! uppermost layer |
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| 70 | |
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[405] | 71 | SELECT CASE(caldyn_thermo) |
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| 72 | CASE(thermo_theta, thermo_entropy) |
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| 73 | !DIR$ SIMD |
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| 74 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 75 | pk(ij,llm) = ptop + (.5*g)*rhodz(ij,llm) |
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| 76 | END DO |
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| 77 | ! other layers |
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| 78 | DO l = llm-1, 1, -1 |
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| 79 | !DIR$ SIMD |
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| 80 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 81 | pk(ij,l) = pk(ij,l+1) + (.5*g)*(rhodz(ij,l)+rhodz(ij,l+1)) |
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| 82 | END DO |
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| 83 | END DO |
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| 84 | ! surface pressure (for diagnostics) |
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| 85 | IF(caldyn_eta==eta_lag) THEN |
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| 86 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 87 | ps(ij) = pk(ij,1) + (.5*g)*rhodz(ij,1) |
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| 88 | END DO |
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| 89 | END IF |
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| 90 | CASE(thermo_moist) ! theta(ij,l,2) = qv = mv/md |
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| 91 | !DIR$ SIMD |
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| 92 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 93 | pk(ij,llm) = ptop + (.5*g)*rhodz(ij,llm)*(1.+theta(ij,l,2)) |
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| 94 | END DO |
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| 95 | ! other layers |
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| 96 | DO l = llm-1, 1, -1 |
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| 97 | !DIR$ SIMD |
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| 98 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 99 | pk(ij,l) = pk(ij,l+1) + (.5*g)*( & |
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| 100 | rhodz(ij,l) *(1.+theta(ij,l,2)) + & |
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| 101 | rhodz(ij,l+1)*(1.+theta(ij,l+1,2)) ) |
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| 102 | END DO |
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| 103 | END DO |
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| 104 | ! surface pressure (for diagnostics) |
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| 105 | IF(caldyn_eta==eta_lag) THEN |
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| 106 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 107 | ps(ij) = pk(ij,1) + (.5*g)*rhodz(ij,1)*(1.+theta(ij,l,2)) |
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| 108 | END DO |
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| 109 | END IF |
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| 110 | END SELECT |
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| 111 | |
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[404] | 112 | DO l = 1,llm |
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| 113 | SELECT CASE(caldyn_thermo) |
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| 114 | CASE(thermo_theta) |
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| 115 | !DIR$ SIMD |
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| 116 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 117 | p_ik = pk(ij,l) |
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| 118 | exner_ik = cpp * (p_ik/preff) ** kappa |
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| 119 | pk(ij,l) = exner_ik |
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| 120 | ! specific volume v = kappa*theta*pi/p = dphi/g/rhodz |
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| 121 | geopot(ij,l+1) = geopot(ij,l) + (g*kappa)*rhodz(ij,l)*theta(ij,l,1)*exner_ik/p_ik |
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| 122 | ENDDO |
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| 123 | CASE(thermo_entropy) ! theta is in fact entropy = cpp*log(theta/Treff) = cpp*log(T/Treff) - Rd*log(p/preff) |
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| 124 | !DIR$ SIMD |
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| 125 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 126 | p_ik = pk(ij,l) |
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| 127 | temp_ik = Treff*exp((theta(ij,l,1) + Rd*log(p_ik/preff))/cpp) |
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| 128 | pk(ij,l) = temp_ik |
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| 129 | ! specific volume v = Rd*T/p = dphi/g/rhodz |
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| 130 | geopot(ij,l+1) = geopot(ij,l) + (g*Rd)*rhodz(ij,l)*temp_ik/p_ik |
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| 131 | ENDDO |
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[405] | 132 | CASE(thermo_moist) ! theta is moist pseudo-entropy per dry air mass |
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| 133 | DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 134 | p_ik = pk(ij,l) |
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| 135 | qv = theta(ij,l,2) ! water vaper mixing ratio = mv/md |
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| 136 | Rmix = Rd+qv*Rv |
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| 137 | chi = ( theta(ij,l,1) + Rmix*log(p_ik/preff) ) / (cpp + qv*cppv) ! log(T/Treff) |
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| 138 | temp_ik = Treff*exp(chi) |
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| 139 | pk(ij,l) = temp_ik |
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| 140 | ! specific volume v = R*T/p = dphi/g/rhodz |
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| 141 | ! R = (Rd + qv.Rv)/(1+qv) |
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| 142 | geopot(ij,l+1) = geopot(ij,l) + g*Rmix*rhodz(ij,l)*temp_ik/(p_ik*(1+qv)) |
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| 143 | ENDDO |
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[404] | 144 | CASE DEFAULT |
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| 145 | STOP |
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| 146 | END SELECT |
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| 147 | ENDDO |
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[362] | 148 | END IF |
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| 149 | |
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[562] | 150 | END IF ! dysl |
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[537] | 151 | |
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[362] | 152 | !ym flush geopot |
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| 153 | !$OMP BARRIER |
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| 154 | |
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| 155 | CALL trace_end("compute_geopot") |
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| 156 | |
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| 157 | END SUBROUTINE compute_geopot |
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| 158 | |
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| 159 | SUBROUTINE compute_caldyn_vert(u,theta,rhodz,convm, wflux,wwuu, dps,dtheta_rhodz,du) |
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| 160 | REAL(rstd),INTENT(IN) :: u(iim*3*jjm,llm) |
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[405] | 161 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) |
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[362] | 162 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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| 163 | REAL(rstd),INTENT(INOUT) :: convm(iim*jjm,llm) ! mass flux convergence |
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| 164 | |
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| 165 | REAL(rstd),INTENT(INOUT) :: wflux(iim*jjm,llm+1) ! vertical mass flux (kg/m2/s) |
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| 166 | REAL(rstd),INTENT(INOUT) :: wwuu(iim*3*jjm,llm+1) |
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| 167 | REAL(rstd),INTENT(INOUT) :: du(iim*3*jjm,llm) |
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[405] | 168 | REAL(rstd),INTENT(INOUT) :: dtheta_rhodz(iim*jjm,llm,nqdyn) |
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[362] | 169 | REAL(rstd),INTENT(OUT) :: dps(iim*jjm) |
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| 170 | |
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| 171 | ! temporary variable |
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[405] | 172 | INTEGER :: i,j,ij,l,iq |
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[624] | 173 | REAL(rstd) :: p_ik, exner_ik, dF_deta, dFu_deta |
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[362] | 174 | INTEGER :: ij_omp_begin, ij_omp_end |
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| 175 | |
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| 176 | CALL trace_start("compute_caldyn_vert") |
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| 177 | |
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[722] | 178 | !$OMP BARRIER |
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| 179 | |
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[603] | 180 | CALL distrib_level(ij_begin,ij_end, ij_omp_begin,ij_omp_end) |
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[362] | 181 | |
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[624] | 182 | IF(dysl_caldyn_vert) THEN |
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[627] | 183 | #define mass_bl(ij,l) bp(l) |
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[624] | 184 | #define dmass_col(ij) dps(ij) |
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| 185 | #include "../kernels_hex/caldyn_wflux.k90" |
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| 186 | #include "../kernels_hex/caldyn_vert.k90" |
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| 187 | #undef mass_bl |
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| 188 | #undef dmass_col |
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| 189 | ELSE |
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[362] | 190 | |
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| 191 | !!! cumulate mass flux convergence from top to bottom |
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| 192 | DO l = llm-1, 1, -1 |
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| 193 | !DIR$ SIMD |
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| 194 | DO ij=ij_omp_begin,ij_omp_end |
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| 195 | convm(ij,l) = convm(ij,l) + convm(ij,l+1) |
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| 196 | ENDDO |
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| 197 | ENDDO |
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| 198 | ! ENDIF |
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| 199 | |
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| 200 | !$OMP BARRIER |
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| 201 | ! FLUSH on convm |
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[624] | 202 | ! compute dmass_col |
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[362] | 203 | IF (is_omp_first_level) THEN |
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| 204 | !DIR$ SIMD |
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| 205 | DO ij=ij_begin,ij_end |
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| 206 | ! dps/dt = -int(div flux)dz |
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[529] | 207 | dps(ij) = convm(ij,1) |
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[362] | 208 | ENDDO |
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| 209 | ENDIF |
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| 210 | |
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| 211 | !!! Compute vertical mass flux (l=1,llm+1 done by caldyn_BC) |
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| 212 | DO l=ll_beginp1,ll_end |
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| 213 | ! IF (caldyn_conserv==energy) CALL test_message(req_qu) |
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| 214 | !DIR$ SIMD |
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| 215 | DO ij=ij_begin,ij_end |
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| 216 | ! w = int(z,ztop,div(flux)dz) + B(eta)dps/dt |
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| 217 | ! => w>0 for upward transport |
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| 218 | wflux( ij, l ) = bp(l) * convm( ij, 1 ) - convm( ij, l ) |
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| 219 | ENDDO |
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| 220 | ENDDO |
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| 221 | |
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| 222 | !--> flush wflux |
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| 223 | !$OMP BARRIER |
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| 224 | |
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[405] | 225 | DO iq=1,nqdyn |
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| 226 | DO l=ll_begin,ll_endm1 |
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[362] | 227 | !DIR$ SIMD |
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[405] | 228 | DO ij=ij_begin,ij_end |
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| 229 | dtheta_rhodz(ij, l, iq) = dtheta_rhodz(ij, l, iq) - 0.5 * & |
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| 230 | ( wflux(ij,l+1) * (theta(ij,l,iq) + theta(ij,l+1,iq))) |
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| 231 | END DO |
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| 232 | END DO |
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| 233 | DO l=ll_beginp1,ll_end |
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| 234 | !DIR$ SIMD |
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| 235 | DO ij=ij_begin,ij_end |
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| 236 | dtheta_rhodz(ij, l, iq) = dtheta_rhodz(ij, l, iq) + 0.5 * & |
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| 237 | ( wflux(ij,l) * (theta(ij,l-1,iq) + theta(ij,l,iq) ) ) |
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| 238 | END DO |
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| 239 | END DO |
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| 240 | END DO |
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[362] | 241 | |
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| 242 | ! Compute vertical transport |
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| 243 | DO l=ll_beginp1,ll_end |
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| 244 | !DIR$ SIMD |
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| 245 | DO ij=ij_begin,ij_end |
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| 246 | wwuu(ij+u_right,l) = 0.5*( wflux(ij,l) + wflux(ij+t_right,l)) * (u(ij+u_right,l) - u(ij+u_right,l-1)) |
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| 247 | wwuu(ij+u_lup,l) = 0.5* ( wflux(ij,l) + wflux(ij+t_lup,l)) * (u(ij+u_lup,l) - u(ij+u_lup,l-1)) |
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| 248 | wwuu(ij+u_ldown,l) = 0.5*( wflux(ij,l) + wflux(ij+t_ldown,l)) * (u(ij+u_ldown,l) - u(ij+u_ldown,l-1)) |
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| 249 | ENDDO |
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| 250 | ENDDO |
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| 251 | |
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| 252 | !--> flush wwuu |
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| 253 | !$OMP BARRIER |
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| 254 | |
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| 255 | ! Add vertical transport to du |
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| 256 | DO l=ll_begin,ll_end |
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| 257 | !DIR$ SIMD |
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| 258 | DO ij=ij_begin,ij_end |
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| 259 | du(ij+u_right, l ) = du(ij+u_right,l) - (wwuu(ij+u_right,l+1)+ wwuu(ij+u_right,l)) / (rhodz(ij,l)+rhodz(ij+t_right,l)) |
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| 260 | du(ij+u_lup, l ) = du(ij+u_lup,l) - (wwuu(ij+u_lup,l+1) + wwuu(ij+u_lup,l)) / (rhodz(ij,l)+rhodz(ij+t_lup,l)) |
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| 261 | du(ij+u_ldown, l ) = du(ij+u_ldown,l) - (wwuu(ij+u_ldown,l+1)+ wwuu(ij+u_ldown,l)) / (rhodz(ij,l)+rhodz(ij+t_ldown,l)) |
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| 262 | ENDDO |
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| 263 | ENDDO |
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| 264 | |
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[624] | 265 | END IF ! dysl |
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[362] | 266 | |
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| 267 | CALL trace_end("compute_caldyn_vert") |
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| 268 | |
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| 269 | END SUBROUTINE compute_caldyn_vert |
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| 270 | |
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[558] | 271 | SUBROUTINE compute_caldyn_vert_NH(mass,geopot,W,wflux, W_etadot, du,dPhi,dW) |
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[373] | 272 | REAL(rstd),INTENT(IN) :: mass(iim*jjm,llm) |
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| 273 | REAL(rstd),INTENT(IN) :: geopot(iim*jjm,llm+1) |
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| 274 | REAL(rstd),INTENT(IN) :: W(iim*jjm,llm+1) |
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| 275 | REAL(rstd),INTENT(IN) :: wflux(iim*jjm,llm+1) |
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| 276 | REAL(rstd),INTENT(INOUT) :: du(iim*3*jjm,llm) |
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| 277 | REAL(rstd),INTENT(INOUT) :: dPhi(iim*jjm,llm+1) |
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| 278 | REAL(rstd),INTENT(INOUT) :: dW(iim*jjm,llm+1) |
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[558] | 279 | REAL(rstd) :: W_etadot(iim*jjm,llm) ! vertical flux of vertical momentum |
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[373] | 280 | ! local arrays |
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[538] | 281 | REAL(rstd) :: eta_dot(iim*jjm, llm) ! eta_dot in full layers |
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| 282 | REAL(rstd) :: wcov(iim*jjm,llm) ! covariant vertical momentum in full layers |
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[373] | 283 | ! indices and temporary values |
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| 284 | INTEGER :: ij, l |
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| 285 | REAL(rstd) :: wflux_ij, w_ij |
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| 286 | |
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| 287 | CALL trace_start("compute_caldyn_vert_nh") |
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| 288 | |
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[573] | 289 | IF(dysl) THEN |
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[558] | 290 | !$OMP BARRIER |
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[612] | 291 | #include "../kernels_hex/caldyn_vert_NH.k90" |
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[558] | 292 | !$OMP BARRIER |
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[573] | 293 | ELSE |
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[538] | 294 | #define ETA_DOT(ij) eta_dot(ij,1) |
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| 295 | #define WCOV(ij) wcov(ij,1) |
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| 296 | |
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[373] | 297 | DO l=ll_begin,ll_end |
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| 298 | ! compute the local arrays |
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| 299 | !DIR$ SIMD |
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| 300 | DO ij=ij_begin_ext,ij_end_ext |
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| 301 | wflux_ij = .5*(wflux(ij,l)+wflux(ij,l+1)) |
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| 302 | w_ij = .5*(W(ij,l)+W(ij,l+1))/mass(ij,l) |
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| 303 | W_etadot(ij,l) = wflux_ij*w_ij |
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[538] | 304 | ETA_DOT(ij) = wflux_ij / mass(ij,l) |
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| 305 | WCOV(ij) = w_ij*(geopot(ij,l+1)-geopot(ij,l)) |
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[373] | 306 | ENDDO |
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| 307 | ! add NH term to du |
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| 308 | !DIR$ SIMD |
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| 309 | DO ij=ij_begin,ij_end |
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| 310 | du(ij+u_right,l) = du(ij+u_right,l) & |
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[538] | 311 | - .5*(WCOV(ij+t_right)+WCOV(ij)) & |
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| 312 | *ne_right*(ETA_DOT(ij+t_right)-ETA_DOT(ij)) |
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[373] | 313 | du(ij+u_lup,l) = du(ij+u_lup,l) & |
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[538] | 314 | - .5*(WCOV(ij+t_lup)+WCOV(ij)) & |
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| 315 | *ne_lup*(ETA_DOT(ij+t_lup)-ETA_DOT(ij)) |
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[373] | 316 | du(ij+u_ldown,l) = du(ij+u_ldown,l) & |
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[538] | 317 | - .5*(WCOV(ij+t_ldown)+WCOV(ij)) & |
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| 318 | *ne_ldown*(ETA_DOT(ij+t_ldown)-ETA_DOT(ij)) |
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[373] | 319 | END DO |
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| 320 | ENDDO |
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| 321 | ! add NH terms to dW, dPhi |
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| 322 | ! FIXME : TODO top and bottom |
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| 323 | DO l=ll_beginp1,ll_end ! inner interfaces only |
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| 324 | !DIR$ SIMD |
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| 325 | DO ij=ij_begin,ij_end |
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| 326 | dPhi(ij,l) = dPhi(ij,l) - wflux(ij,l) & |
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| 327 | * (geopot(ij,l+1)-geopot(ij,l-1))/(mass(ij,l-1)+mass(ij,l)) |
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| 328 | END DO |
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| 329 | END DO |
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[377] | 330 | DO l=ll_begin,ll_end |
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| 331 | !DIR$ SIMD |
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| 332 | DO ij=ij_begin,ij_end |
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| 333 | dW(ij,l+1) = dW(ij,l+1) + W_etadot(ij,l) ! update inner+top interfaces |
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| 334 | dW(ij,l) = dW(ij,l) - W_etadot(ij,l) ! update bottom+inner interfaces |
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| 335 | END DO |
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| 336 | END DO |
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[538] | 337 | |
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| 338 | #undef ETA_DOT |
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| 339 | #undef WCOV |
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| 340 | |
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[573] | 341 | END IF ! dysl |
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[373] | 342 | CALL trace_end("compute_caldyn_vert_nh") |
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| 343 | |
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| 344 | END SUBROUTINE compute_caldyn_vert_NH |
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[362] | 345 | END MODULE caldyn_kernels_base_mod |
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