| 1 | ! |
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| 2 | ! $Id: $ |
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| 3 | ! |
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| 4 | module planetary_operations_p |
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| 5 | ! module which contains functions to obtain total values over the |
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| 6 | ! entire globe (in parallel) |
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| 7 | |
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| 8 | implicit none |
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| 9 | |
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| 10 | contains |
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| 11 | |
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| 12 | subroutine planetary_atm_mass_from_ps_p(ps,value) |
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| 13 | USE parallel_lmdz, ONLY: Gather_Field, mpi_rank |
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| 14 | USE mod_const_mpi, ONLY: COMM_LMDZ |
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| 15 | implicit none |
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| 16 | include "dimensions.h" |
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| 17 | include "paramet.h" |
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| 18 | include "comgeom.h" |
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| 19 | include 'mpif.h' |
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| 20 | real,intent(in) :: ps(ip1jmp1) |
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| 21 | real,intent(out) :: value |
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| 22 | integer :: i,j,ij |
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| 23 | integer :: ierr |
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| 24 | |
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| 25 | ! compute total atmospheric mass over the whole planet |
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| 26 | ! 1. Gather ps on master to do the computations |
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| 27 | call Gather_Field(ps,ip1jmp1,1,0) |
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| 28 | |
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| 29 | ! 2. compute on master |
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| 30 | if (mpi_rank==0) then |
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| 31 | ! North Pole |
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| 32 | value=ps(1)*airesurg(1)*iim |
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| 33 | do j=2,jjm |
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| 34 | do i=1,iim |
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| 35 | ij=i+(j-1)*iip1 |
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| 36 | value=value+ps(ij)*airesurg(ij) |
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| 37 | enddo |
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| 38 | enddo |
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| 39 | ! South pole |
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| 40 | value=value+ps(ip1jmp1-iim)*airesurg(ip1jmp1-iim)*iim |
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| 41 | endif ! of if (mpi_rank==0) |
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| 42 | |
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| 43 | ! broadcast the result to all procs |
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| 44 | !$OMP CRITICAL (MPI) |
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| 45 | #ifdef CPP_MPI |
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| 46 | call MPI_BCAST(value,1,MPI_REAL8,0,COMM_LMDZ,ierr) |
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| 47 | #endif |
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| 48 | !$OMP END CRITICAL (MPI) |
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| 49 | |
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| 50 | end subroutine planetary_atm_mass_from_ps_p |
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| 51 | |
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| 52 | subroutine planetary_tracer_amount_from_mass_p(mass,q,amount) |
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| 53 | USE parallel_lmdz, ONLY: ij_begin,ij_end, & |
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| 54 | pole_nord,pole_sud, & |
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| 55 | Gather_Field, mpi_rank |
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| 56 | USE mod_const_mpi, ONLY: COMM_LMDZ |
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| 57 | implicit none |
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| 58 | include "dimensions.h" |
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| 59 | include "paramet.h" |
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| 60 | include 'mpif.h' |
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| 61 | real,intent(in) :: mass(ip1jmp1,llm) ! air mass (kg) |
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| 62 | real,intent(in) :: q(ip1jmp1,llm) ! 3D tracer (kg/kg_air) |
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| 63 | real,intent(out) :: amount |
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| 64 | integer :: i,j,ij,l |
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| 65 | integer :: ijb,ije |
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| 66 | integer :: ierr |
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| 67 | real :: column(ip1jmp1) ! columns amount of tracer (kg) |
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| 68 | |
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| 69 | ! 1. build column amout of tracer (kg) on each proc |
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| 70 | ijb=ij_begin-iip1 |
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| 71 | ije=ij_end+2*iip1 |
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| 72 | if (pole_nord) ijb=ij_begin |
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| 73 | if (pole_sud) ije=ij_end |
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| 74 | |
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| 75 | column(ijb:ije)=0 |
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| 76 | do ij=ijb,ije |
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| 77 | do l=1,llm |
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| 78 | column(ij)=column(ij)+q(ij,l)*mass(ij,l) |
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| 79 | enddo |
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| 80 | enddo |
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| 81 | |
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| 82 | ! 2 Gather "column" to do the upcoming computations on master |
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| 83 | call Gather_Field(column,ip1jmp1,1,0) |
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| 84 | |
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| 85 | ! 3. Compute total tracer mass over the planet on master |
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| 86 | if (mpi_rank==0) then |
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| 87 | !North pole |
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| 88 | amount=column(1)*iim |
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| 89 | do j=2,jjm |
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| 90 | do i=1,iim |
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| 91 | ij=i+(j-1)*iip1 |
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| 92 | amount=amount+column(ij) |
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| 93 | enddo |
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| 94 | enddo |
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| 95 | ! South pole |
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| 96 | amount=amount+column(ip1jmp1-iim)*iim |
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| 97 | endif ! of if (mpi_rank==0) |
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| 98 | |
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| 99 | ! broadcast the result to all procs |
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| 100 | !$OMP CRITICAL (MPI) |
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| 101 | #ifdef CPP_MPI |
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| 102 | call MPI_BCAST(amount,1,MPI_REAL8,0,COMM_LMDZ,ierr) |
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| 103 | #endif |
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| 104 | !$OMP END CRITICAL (MPI) |
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| 105 | |
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| 106 | end subroutine planetary_tracer_amount_from_mass_p |
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| 107 | |
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| 108 | end module planetary_operations_p |
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