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molod |
1.7 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_alarms.F,v 1.6 2004/07/26 18:45:17 molod Exp $ |
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molod |
1.2 |
C $Name: $ |
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molod |
1.6 |
#include "FIZHI_OPTIONS.h" |
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molod |
1.1 |
subroutine fizhi_alarms (nymdb,nhmsb,ndt) |
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C*********************************************************************** |
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C Purpose |
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C ------- |
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C Driver to Set Internal Model Alarms |
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C |
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C Argument Description |
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C -------------------- |
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C nymdb ..... Begining Date to Start Alarm Clock |
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C nhmsb ..... Begining Time to Start Alarm Clock |
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C ndt ....... Model Timestep |
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C |
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C Note: For ndt = 0, all Intermal Model Alarms are set to 1 second |
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C |
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C*********************************************************************** |
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implicit none |
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c Input Parameters |
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c ---------------- |
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integer nymdb,nhmsb,ndt |
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c MPI Utilities |
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c ------------- |
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#ifdef ALLOW_USE_MPI |
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molod |
1.5 |
#include "mpif.h" |
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integer ierror |
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molod |
1.1 |
#endif |
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molod |
1.5 |
integer myid |
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molod |
1.1 |
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c Physics Frequencies |
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c ------------------- |
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integer nhmsf, m,n, nd |
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integer ndlw, ndsw, ndturb, ndmoist |
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#ifdef ALLOW_USE_MPI |
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call mpi_comm_rank ( mpi_comm_world,myid,ierror ) |
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#else |
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molod |
1.3 |
myid = 1 |
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molod |
1.1 |
#endif |
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if( ndt.ne.0 ) then |
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molod |
1.4 |
C Longwave Radiation Frequency |
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ndlw = 030000 |
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C Shortwave Radiation Frequency |
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ndsw = 010000 |
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molod |
1.1 |
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c Turbulence |
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c ---------- |
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ndturb = 2*int( max(1.0,(300./iabs(ndt)+0.5)/2) ) * iabs(ndt) |
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n = 1 |
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m = -1 |
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nd = ndturb |
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do while ( mod(3*3600,nd).ne.0 ) |
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nd = ndturb + 2*n*m*ndt |
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m = -m |
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n = n+1 |
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if( nd.lt.ndt ) then |
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molod |
1.3 |
if( myid.eq.1 ) then |
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molod |
1.1 |
print * |
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print *, 'Turbulence cannot occur with Model Timestep = ',ndt |
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print * |
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endif |
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call my_finalize |
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call my_exit (101) |
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endif |
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enddo |
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ndturb = nhmsf( nd ) |
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c Moist Processes |
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c --------------- |
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ndmoist = int( 600./iabs(ndt) + 0.5 ) * iabs(ndt) |
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n = 1 |
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m = -1 |
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nd = ndmoist |
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do while ( mod(3*3600,nd).ne.0 ) |
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nd = ndmoist + n*m*ndt |
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m = -m |
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n = n+1 |
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if( nd.lt.ndt ) then |
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molod |
1.3 |
if( myid.eq.1 ) then |
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molod |
1.1 |
print * |
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print *, 'Convection cannot occur with Model Timestep = ',ndt |
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print * |
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endif |
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call my_finalize |
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call my_exit (101) |
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endif |
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enddo |
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ndmoist = nhmsf( nd ) |
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else |
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c For NDT = 0, all Alarms set to 1 second |
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c --------------------------------------- |
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molod |
1.4 |
C Longwave Radiation Frequency |
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ndlw = 000001 |
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C Shortwave Radiation Frequency |
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ndsw = 000001 |
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C Turbulence Frequency |
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ndturb = 000001 |
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C Moist Processes Frequency |
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ndmoist = 000001 |
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molod |
1.1 |
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endif |
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c Set Alarm Clocks |
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c ---------------- |
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call set_alarm ( 'radsw',nymdb,nhmsb,ndsw ) |
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call set_alarm ( 'radlw',nymdb,nhmsb,ndlw ) |
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call set_alarm ( 'turb' ,nymdb,nhmsb,ndturb ) |
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call set_alarm ( 'moist',nymdb,nhmsb,ndmoist ) |
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molod |
1.7 |
call set_alarm ( 'pnt',nymdb,nhmsb,0 ) |
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molod |
1.1 |
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return |
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end |
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