[3611] | 1 | MODULE daymod_tam |
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| 2 | #ifdef key_tam |
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| 3 | !!====================================================================== |
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| 4 | !! *** MODULE daymod_tam *** |
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| 5 | !! Ocean : calendar, tangent and adjoint model version |
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| 6 | !!===================================================================== |
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| 7 | !! History : OPA ! 1994-09 (M. Pontaud M. Imbard) Original code |
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| 8 | !! ! 1997-03 (O. Marti) |
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| 9 | !! ! 1997-05 (G. Madec) |
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| 10 | !! ! 1997-08 (M. Imbard) |
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| 11 | !! NEMO 1.0 ! 2003-09 (G. Madec) F90 + nyear, nmonth, nday |
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| 12 | !! ! 2004-01 (A.M. Treguier) new calculation based on adatrj |
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| 13 | !! ! 2006-08 (G. Madec) surface module major update |
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| 14 | !! History : |
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| 15 | !! OPA ! 1998-2004 (A. Weaver, N. Daget) daytam |
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| 16 | !! NEMO ! 2005-08 (A. Vidard) skeleton |
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| 17 | !! ! 2008-08 (A. Vidard) 04-01 version, based on daytam |
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| 18 | !! ! 2009-02 (A. Vidard) 06-08 version |
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| 19 | !! 3.2 ! 2010-03 (F. Vigilant) |
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| 20 | !! 3.2 ! 2012-07 (P.-A. Bouttier) Phasing with 3.4 |
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| 21 | !!---------------------------------------------------------------------- |
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| 22 | !!---------------------------------------------------------------------- |
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| 23 | !! day_tam : calendar |
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| 24 | !! |
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| 25 | !! ------------------------------- |
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| 26 | !! ----------- WARNING ----------- |
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| 27 | !! |
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| 28 | !! we assume that the time step is a divisor of the number of second of in a day |
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| 29 | !! ---> MOD( rday, rdttra(1) ) == 0 |
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| 30 | !! |
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| 31 | !! ----------- WARNING ----------- |
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| 32 | !! ------------------------------- |
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| 33 | !! |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | !! * Modules used |
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| 36 | USE par_kind |
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| 37 | USE phycst |
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| 38 | USE dom_oce |
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| 39 | USE in_out_manager |
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| 40 | USE daymod |
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| 41 | USE prtctl |
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| 42 | USE ioipsl, ONLY : ymds2ju |
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| 43 | |
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| 44 | IMPLICIT NONE |
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| 45 | PRIVATE |
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| 46 | |
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| 47 | !! * Routine accessibility |
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| 48 | PUBLIC day_tam ! called by steptan.F90 and stepadj.F90 |
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| 49 | |
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| 50 | CONTAINS |
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| 51 | |
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| 52 | |
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| 53 | SUBROUTINE day_tam( kt, kindic ) |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | !! *** ROUTINE day_tam *** |
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| 56 | !! |
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| 57 | !! ** Purpose : Compute the date with a day iteration IF necessary. |
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| 58 | !! forward for the tangent linear, backward for the adjoint |
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| 59 | !! |
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| 60 | !! * Arguments |
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| 61 | INTEGER, INTENT( in ) :: kt ! ocean time-step indices |
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| 62 | INTEGER, INTENT( in ) :: kindic ! forward (0) or backward (1) |
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| 63 | !!---------------------------------------------------------------------- |
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| 64 | |
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| 65 | |
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| 66 | |
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| 67 | |
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| 68 | SELECT CASE ( kindic ) |
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| 69 | CASE ( 0 ) |
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| 70 | ! ---------------------------------------------- |
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| 71 | ! Forward running Calendar for the tangent model |
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| 72 | ! ---------------------------------------------- |
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| 73 | CALL day_tan( kt ) |
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| 74 | CASE ( 1 ) |
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| 75 | ! ---------------------------------------------- |
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| 76 | ! Backward running Calendar for the adjoint model |
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| 77 | ! ---------------------------------------------- |
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| 78 | CALL day_adj( kt ) |
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| 79 | CASE default |
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| 80 | IF (lwp) WRITE(numout,*) 'day_tam called with a wrong kindic: ',kindic |
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| 81 | CALL abort |
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| 82 | END SELECT |
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| 83 | END SUBROUTINE day_tam |
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| 84 | |
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| 85 | SUBROUTINE day_tan ( kt ) |
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| 86 | !!---------------------------------------------------------------------- |
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| 87 | !! *** ROUTINE day_tan *** |
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| 88 | !! |
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| 89 | !! ** Purpose : Compute the date with a day iteration IF necessary. |
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| 90 | !! |
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| 91 | !! ** Method : - ??? |
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| 92 | !! |
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| 93 | !! ** Action : - nyear : current year |
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| 94 | !! - nmonth : current month of the year nyear |
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| 95 | !! - nday : current day of the month nmonth |
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| 96 | !! - nday_year : current day of the year nyear |
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| 97 | !! - ndastp : = nyear*10000 + nmonth*100 + nday |
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| 98 | !! - adatrj : date in days since the beginning of the run |
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| 99 | !! - nsec_year : current time of the year (in second since 00h, jan 1st) |
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| 100 | !!---------------------------------------------------------------------- |
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| 101 | INTEGER, INTENT(in) :: kt ! ocean time-step indices |
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| 102 | ! |
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| 103 | CHARACTER (len=25) :: charout |
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| 104 | REAL(wp) :: zprec ! fraction of day corresponding to 0.1 second |
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| 105 | !!---------------------------------------------------------------------- |
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| 106 | ! |
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| 107 | zprec = 0.1 / rday |
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| 108 | ! ! New time-step |
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| 109 | nsec_year = nsec_year + ndt |
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| 110 | nsec_month = nsec_month + ndt |
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| 111 | nsec_week = nsec_week + ndt |
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| 112 | nsec_day = nsec_day + ndt |
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| 113 | adatrj = adatrj + rdttra(1) / rday |
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| 114 | fjulday = fjulday + rdttra(1) / rday |
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| 115 | IF( ABS(fjulday - REAL(NINT(fjulday),wp)) < zprec ) fjulday = REAL(NINT(fjulday),wp) ! avoid truncation error |
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| 116 | IF( ABS(adatrj - REAL(NINT(adatrj ),wp)) < zprec ) adatrj = REAL(NINT(adatrj ),wp) ! avoid truncation error |
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| 117 | |
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| 118 | IF( nsec_day > nsecd ) THEN ! New day |
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| 119 | ! |
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| 120 | nday = nday + 1 |
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| 121 | nday_year = nday_year + 1 |
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| 122 | nsec_day = ndt05 |
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| 123 | ! |
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| 124 | IF( nday == nmonth_len(nmonth) + 1 ) THEN ! New month |
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| 125 | nday = 1 |
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| 126 | nmonth = nmonth + 1 |
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| 127 | nsec_month = ndt05 |
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| 128 | IF( nmonth == 13 ) THEN ! New year |
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| 129 | nyear = nyear + 1 |
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| 130 | nmonth = 1 |
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| 131 | nday_year = 1 |
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| 132 | nsec_year = ndt05 |
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| 133 | nsec1jan000 = nsec1jan000 + nsecd * nyear_len(1) |
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| 134 | IF( nleapy == 1 ) CALL day_mth |
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| 135 | ENDIF |
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| 136 | ENDIF |
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| 137 | ! |
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| 138 | ndastp = nyear * 10000 + nmonth * 100 + nday ! New date |
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| 139 | ! |
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| 140 | !compute first day of the year in julian days |
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| 141 | CALL ymds2ju( nyear, 01, 01, 0.0, fjulstartyear ) |
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| 142 | ! |
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| 143 | IF(lwp) WRITE(numout,'(a,i8,a,i4.4,a,i2.2,a,i2.2,a,i3.3)') '======>> time-step =', kt, & |
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| 144 | & ' New day, DATE Y/M/D = ', nyear, '/', nmonth, '/', nday, ' nday_year = ', nday_year |
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| 145 | IF(lwp) WRITE(numout,'(a,i8,a,i7,a,i5)') ' nsec_year = ', nsec_year, & |
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| 146 | & ' nsec_month = ', nsec_month, ' nsec_day = ', nsec_day, ' nsec_week = ', nsec_week |
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| 147 | ENDIF |
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| 148 | |
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| 149 | IF( nsec_week > 7*nsecd ) nsec_week = ndt05 ! New week |
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| 150 | |
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| 151 | IF(ln_ctl) THEN |
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| 152 | WRITE(charout,FMT="('kt =', I4,' d/m/y =',I2,I2,I4)") kt, nday, nmonth, nyear |
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| 153 | CALL prt_ctl_info(charout) |
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| 154 | ENDIF |
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| 155 | ! |
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| 156 | END SUBROUTINE day_tan |
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| 157 | |
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| 158 | SUBROUTINE day_adj( kt ) |
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| 159 | !!---------------------------------------------------------------------- |
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| 160 | !! *** ROUTINE day_adj *** |
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| 161 | !! |
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| 162 | !! ** Purpose : Compute the date with a day iteration backward |
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| 163 | !! if necessary. |
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| 164 | !! |
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| 165 | !! ** Method : - ??? |
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| 166 | !! |
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| 167 | !! ** Action : - nyear : current year |
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| 168 | !! - nmonth : current month of the year nyear |
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| 169 | !! - nday : current day of the month nmonth |
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| 170 | !! - nday_year : current day of the year nyear |
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| 171 | !! - ndastp : = nyear*10000 + nmonth*100 + nday |
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| 172 | !! - adatrj : date in days since the beginning of the run |
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| 173 | !! - nsec_year : current time of the year (in second since 00h, jan 1st) |
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| 174 | !!---------------------------------------------------------------------- |
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| 175 | INTEGER, INTENT(in) :: kt ! ocean time-step indices |
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| 176 | ! |
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| 177 | CHARACTER (len=25) :: charout |
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| 178 | REAL(wp) :: zprec ! fraction of day corresponding to 0.1 second |
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| 179 | !!---------------------------------------------------------------------- |
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[4571] | 180 | zprec = 0.1 / rday |
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[3611] | 181 | ! ! New time-step |
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| 182 | nsec_year = nsec_year - ndt |
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| 183 | nsec_month = nsec_month - ndt |
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| 184 | nsec_day = nsec_day - ndt |
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| 185 | adatrj = adatrj + rdttra(1) / rday |
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| 186 | fjulday = fjulday + rdttra(1) / rday |
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| 187 | IF( ABS(fjulday - REAL(NINT(fjulday),wp)) < zprec ) fjulday = REAL(NINT(fjulday),wp) ! avoid truncation error |
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| 188 | IF( ABS(adatrj - REAL(NINT(adatrj ),wp)) < zprec ) adatrj = REAL(NINT(adatrj ),wp) ! avoid truncation error |
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| 189 | |
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| 190 | IF( nsec_day < 0 ) THEN ! NEW day |
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| 191 | ! |
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| 192 | nday = nday - 1 |
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| 193 | nday_year = nday_year - 1 |
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| 194 | nsec_day = rday - ndt05 |
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| 195 | ! |
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| 196 | IF( nday == 0 ) THEN ! NEW month |
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| 197 | nmonth = nmonth - 1 |
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| 198 | IF( nmonth == 0 ) THEN ! NEW year |
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| 199 | nyear = nyear - 1 |
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| 200 | nmonth = 12 |
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| 201 | nday_year = nyear_len(0) |
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| 202 | nsec_year = nday_year * rday - ndt05 |
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| 203 | IF( nleapy == 1 ) CALL day_mth |
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| 204 | ENDIF |
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| 205 | nday = nmonth_len(nmonth) |
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| 206 | nsec_month = nmonth_len(nmonth) * rday - ndt05 |
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| 207 | ENDIF |
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| 208 | ! |
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| 209 | ndastp = nyear * 10000 + nmonth * 100 + nday ! NEW date |
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| 210 | ! |
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| 211 | IF(lwp) WRITE(numout,'(a,i8,a,i4.4,a,i2.2,a,i2.2,a,i3.3)') '======>> time-step =', kt, & |
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| 212 | & ' New day, DATE Y/M/D = ', nyear, '/', nmonth, '/', nday, ' nday_year = ', nday_year |
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| 213 | IF(lwp) WRITE(numout,'(a,i8,a,i7,a,i5)') ' nsec_year = ', nsec_year, & |
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| 214 | & ' nsec_month = ', nsec_month, ' nsec_day = ', nsec_day |
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| 215 | ENDIF |
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| 216 | |
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| 217 | ! |
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| 218 | END SUBROUTINE day_adj |
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| 219 | |
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| 220 | !!====================================================================== |
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| 221 | #endif |
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| 222 | END MODULE daymod_tam |
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