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subroutine global_mean(field,airephy,laire,mfield) |
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! |
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! I.Musat: 05.2011 |
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! calcul moyenne globale d'un champ pondere par l'aire de la maille |
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! (laire=.TRUE.) ou somme globale du champ (laire=.FALSE.) |
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! |
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USE dimphy |
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USE mod_phys_lmdz_para, only: is_sequential |
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USE mod_phys_lmdz_transfert_para, only: reduce_sum |
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use mod_phys_lmdz_mpi_data, only: is_mpi_root |
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USE ioipsl |
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implicit none |
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real,dimension(klon),intent(in) :: field |
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real,dimension(klon),intent(in) :: airephy |
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LOGICAL, intent(in) :: laire |
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REAL, intent(out) :: mfield |
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REAL :: airetot ! Total area the earth |
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REAL :: sumtmp |
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INTEGER :: i |
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if (is_sequential) then |
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airetot = 0. |
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sumtmp = 0. |
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DO i=1, klon |
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airetot = airetot + airephy(i) |
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sumtmp = sumtmp + field(i) |
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END DO |
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if (laire) THEN |
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if(airetot.NE.0.) THEN |
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mfield=sumtmp/airetot |
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endif |
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else |
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mfield=sumtmp |
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endif |
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else |
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CALL reduce_sum(SUM(airephy),airetot) |
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CALL reduce_sum(SUM(field),sumtmp) |
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!$OMP MASTER |
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if (is_mpi_root) THEN |
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if (laire) THEN |
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! print*,'gmean airetot=',airetot |
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if(airetot.NE.0.) THEN |
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mfield=sumtmp/airetot |
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! else |
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! mfield=sumtmp |
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endif |
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else |
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mfield=sumtmp |
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endif |
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! print*,'gmean sumtmp mfield=',sumtmp,mfield |
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endif !(is_mpi_root) THEN |
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!$OMP END MASTER |
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endif |
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end subroutine global_mean |
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