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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180 | |
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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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