1 | ! Phenology |
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2 | ! |
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3 | ! $Header: /home/ssipsl/CVSREP/ORCHIDEE/src_stomate/stomate_phenology.f90,v 1.11 2010/04/06 16:06:34 ssipsl Exp $ |
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4 | ! IPSL (2006) |
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5 | ! This software is governed by the CeCILL licence see ORCHIDEE/ORCHIDEE_CeCILL.LIC |
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6 | ! |
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7 | MODULE stomate_phenology |
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8 | |
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9 | ! modules used: |
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10 | |
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11 | USE ioipsl |
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12 | USE stomate_constants |
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13 | USE constantes_veg |
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14 | |
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15 | IMPLICIT NONE |
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16 | |
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17 | ! private & public routines |
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18 | |
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19 | PRIVATE |
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20 | PUBLIC phenology,phenology_clear |
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21 | |
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22 | ! first call |
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23 | LOGICAL, SAVE :: firstcall = .TRUE. |
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24 | LOGICAL, SAVE :: firstcall_hum = .TRUE. |
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25 | LOGICAL, SAVE :: firstcall_moi = .TRUE. |
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26 | LOGICAL, SAVE :: firstcall_humgdd = .TRUE. |
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27 | LOGICAL, SAVE :: firstcall_moigdd = .TRUE. |
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28 | |
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29 | CONTAINS |
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30 | |
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31 | SUBROUTINE phenology_clear |
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32 | firstcall=.TRUE. |
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33 | firstcall_hum=.TRUE. |
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34 | firstcall_moi = .TRUE. |
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35 | firstcall_humgdd = .TRUE. |
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36 | firstcall_moigdd = .TRUE. |
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37 | END SUBROUTINE phenology_clear |
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38 | |
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39 | SUBROUTINE phenology (npts, dt, PFTpresent, & |
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40 | veget_max, & |
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41 | tlong_ref, t2m_month, t2m_week, gpp, & |
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42 | maxmoiavail_lastyear, minmoiavail_lastyear, & |
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43 | moiavail_month, moiavail_week, & |
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44 | gdd_m5_dormance, gdd_midwinter, ncd_dormance, ngd_minus5, & |
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45 | senescence, time_lowgpp, time_hum_min, & |
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46 | biomass, leaf_frac, leaf_age, & |
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47 | when_growthinit, co2_to_bm, lai) |
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48 | |
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49 | ! |
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50 | ! 0 declarations |
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51 | ! |
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52 | |
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53 | ! 0.1 input |
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54 | |
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55 | ! Domain size |
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56 | INTEGER(i_std), INTENT(in) :: npts |
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57 | ! time step in days |
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58 | REAL(r_std), INTENT(in) :: dt |
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59 | ! PFT exists |
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60 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
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61 | ! "maximal" coverage fraction of a PFT (LAI -> infinity) on ground |
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62 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: veget_max |
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63 | ! "long term" 2 meter reference temperatures (K) |
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64 | REAL(r_std), DIMENSION(npts), INTENT(in) :: tlong_ref |
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65 | ! "monthly" 2-meter temperatures (K) |
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66 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_month |
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67 | ! "weekly" 2-meter temperatures (K) |
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68 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_week |
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69 | ! daily gross primary productivity (gC/(m**2 of ground)/day) |
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70 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: gpp |
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71 | ! last year's maximum moisture availability |
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72 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: maxmoiavail_lastyear |
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73 | ! last year's minimum moisture availability |
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74 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: minmoiavail_lastyear |
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75 | ! "monthly" moisture availability |
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76 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_month |
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77 | ! "weekly" moisture availability |
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78 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_week |
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79 | ! growing degree days, threshold -5 deg C |
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80 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: gdd_m5_dormance |
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81 | ! growing degree days, since midwinter |
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82 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: gdd_midwinter |
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83 | ! number of chilling days since leaves were lost |
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84 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: ncd_dormance |
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85 | ! number of growing days, threshold -5 deg C |
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86 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: ngd_minus5 |
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87 | ! is the plant senescent? (only for deciduous trees - carbohydrate reserve) |
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88 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: senescence |
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89 | ! duration of dormance (d) |
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90 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: time_lowgpp |
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91 | ! time elapsed since strongest moisture availability (d) |
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92 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: time_hum_min |
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93 | |
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94 | ! 0.2 modified fields |
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95 | |
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96 | ! biomass (gC/(m**2 of ground)) |
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97 | REAL(r_std), DIMENSION(npts,nvm,nparts), INTENT(inout) :: biomass |
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98 | ! fraction of leaves in leaf age class |
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99 | REAL(r_std), DIMENSION(npts,nvm,nleafages), INTENT(inout) :: leaf_frac |
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100 | ! leaf age (days) |
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101 | REAL(r_std), DIMENSION(npts,nvm,nleafages), INTENT(inout) :: leaf_age |
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102 | ! how many days ago was the beginning of the growing season |
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103 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: when_growthinit |
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104 | ! co2 taken up (gC/(m**2 of total ground)/day) |
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105 | !NV passge 2D |
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106 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: co2_to_bm |
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107 | |
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108 | ! 0.3 output |
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109 | |
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110 | ! leaf area index |
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111 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: lai |
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112 | |
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113 | ! 0.4 local |
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114 | |
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115 | ! take carbon from atmosphere if carbohydrate reserve too small? |
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116 | LOGICAL, PARAMETER :: always_init = .FALSE. |
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117 | ! minimum time (d) since last beginning of a growing season |
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118 | REAL(r_std), PARAMETER :: min_growthinit_time = 300. |
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119 | ! are we allowed to decalre the beginning of the growing season? |
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120 | LOGICAL, DIMENSION(npts,nvm) :: allow_initpheno |
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121 | ! biomass we would like to have |
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122 | REAL(r_std), DIMENSION(npts) :: bm_wanted |
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123 | ! biomass we use (from carbohydrate reserve or from atmosphere) |
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124 | REAL(r_std), DIMENSION(npts) :: bm_use |
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125 | ! minimum leaf mass (gC/(m**2 of ground)) |
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126 | REAL(r_std), DIMENSION(npts) :: lm_min |
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127 | ! does the leaf age distribution have to be reset? |
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128 | LOGICAL(r_std), DIMENSION(npts) :: age_reset |
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129 | ! indices |
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130 | INTEGER(i_std) :: i,j,m |
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131 | ! signal to start putting leaves on |
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132 | LOGICAL, DIMENSION(npts,nvm) :: begin_leaves |
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133 | |
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134 | REAL(r_std), DIMENSION(npts,nvm) :: histvar |
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135 | |
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136 | ! ========================================================================= |
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137 | |
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138 | IF (bavard.GE.3) WRITE(numout,*) 'Entering phenology' |
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139 | |
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140 | ! |
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141 | ! 1 first call |
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142 | ! |
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143 | |
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144 | IF ( firstcall ) THEN |
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145 | |
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146 | WRITE(numout,*) 'phenology:' |
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147 | |
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148 | WRITE(numout,*) ' > take carbon from atmosphere if carbohydrate' // & |
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149 | ' reserve too small: ', always_init |
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150 | |
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151 | WRITE(numout,*) ' > minimum time since last beginning of a growing' // & |
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152 | ' season (d): ', min_growthinit_time |
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153 | |
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154 | firstcall = .FALSE. |
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155 | |
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156 | ENDIF |
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157 | |
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158 | ! |
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159 | ! 2 various things |
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160 | ! |
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161 | |
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162 | ! |
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163 | ! 2.1 allow detection of the beginning of the growing season if dormance was |
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164 | ! long enough and last beginning of growing season was a sufficiently |
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165 | ! long time ago |
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166 | ! |
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167 | |
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168 | allow_initpheno(:,1) = .FALSE. |
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169 | DO j = 2,nvm |
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170 | |
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171 | WHERE ( ( time_lowgpp(:,j) .GE. pheno_crit%lowgpp_time(j) ) .AND. & |
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172 | ( when_growthinit(:,j) .GT. min_growthinit_time ) ) |
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173 | allow_initpheno(:,j) = .TRUE. |
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174 | ELSEWHERE |
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175 | allow_initpheno(:,j) = .FALSE. |
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176 | ENDWHERE |
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177 | |
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178 | ENDDO |
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179 | |
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180 | WHERE(allow_initpheno) |
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181 | histvar=un |
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182 | ELSEWHERE |
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183 | histvar=zero |
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184 | ENDWHERE |
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185 | CALL histwrite (hist_id_stomate, 'ALLOW_INITPHENO', itime, histvar, npts*nvm, horipft_index) |
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186 | |
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187 | ! |
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188 | ! 2.2 increase counter: how many days ago was the beginning of the growing season |
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189 | ! Needed for allocation |
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190 | ! |
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191 | |
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192 | when_growthinit(:,:) = when_growthinit(:,:) + dt |
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193 | |
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194 | ! |
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195 | ! 3 Check biometeorological conditions |
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196 | ! |
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197 | |
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198 | ! default: phenology does not start |
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199 | begin_leaves(:,:) = .FALSE. |
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200 | |
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201 | ! different kinds of phenology |
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202 | |
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203 | DO j = 2,nvm |
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204 | |
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205 | SELECT CASE ( pheno_crit%pheno_model(j) ) |
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206 | |
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207 | CASE ( 'hum' ) |
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208 | |
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209 | CALL pheno_hum (npts, j, PFTpresent, allow_initpheno, & |
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210 | moiavail_month, moiavail_week, & |
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211 | maxmoiavail_lastyear, minmoiavail_lastyear, & |
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212 | begin_leaves) |
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213 | |
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214 | CASE ( 'moi' ) |
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215 | |
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216 | CALL pheno_moi (npts, j, PFTpresent, allow_initpheno, & |
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217 | time_hum_min, & |
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218 | moiavail_month, moiavail_week, & |
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219 | begin_leaves) |
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220 | |
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221 | |
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222 | CASE ( 'ncdgdd' ) |
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223 | |
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224 | CALL pheno_ncdgdd (npts, j, PFTpresent, allow_initpheno, & |
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225 | ncd_dormance, gdd_midwinter, & |
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226 | t2m_month, t2m_week, begin_leaves) |
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227 | |
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228 | CASE ( 'ngd' ) |
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229 | |
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230 | CALL pheno_ngd (npts, j, PFTpresent, allow_initpheno, ngd_minus5, & |
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231 | t2m_month, t2m_week, begin_leaves) |
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232 | |
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233 | CASE ( 'humgdd' ) |
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234 | |
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235 | CALL pheno_humgdd (npts, j, PFTpresent, allow_initpheno, gdd_m5_dormance, & |
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236 | maxmoiavail_lastyear, minmoiavail_lastyear, & |
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237 | tlong_ref, t2m_month, t2m_week, & |
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238 | moiavail_week, moiavail_month, & |
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239 | begin_leaves) |
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240 | |
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241 | CASE ( 'moigdd' ) |
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242 | |
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243 | CALL pheno_moigdd (npts, j, PFTpresent, allow_initpheno, gdd_m5_dormance, & |
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244 | time_hum_min, & |
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245 | tlong_ref, t2m_month, t2m_week, & |
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246 | moiavail_week, moiavail_month, & |
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247 | begin_leaves) |
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248 | |
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249 | CASE ( 'none' ) |
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250 | |
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251 | ! no action |
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252 | |
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253 | CASE default |
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254 | |
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255 | WRITE(numout,*) 'phenology: don''t know how to treat this PFT.' |
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256 | WRITE(numout,*) ' number:',j |
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257 | WRITE(numout,*) ' phenology model: ',pheno_crit%pheno_model(j) |
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258 | STOP |
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259 | |
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260 | END SELECT |
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261 | |
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262 | ENDDO |
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263 | |
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264 | WHERE(begin_leaves) |
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265 | histvar=un |
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266 | ELSEWHERE |
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267 | histvar=zero |
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268 | ENDWHERE |
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269 | CALL histwrite (hist_id_stomate, 'BEGIN_LEAVES', itime, histvar, npts*nvm, horipft_index) |
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270 | |
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271 | ! |
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272 | ! 4 leaves start to grow if meteorological conditions are favourable and if |
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273 | ! leaf regrowth is allowed (cf also turnover) |
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274 | ! |
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275 | |
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276 | DO j = 2,nvm |
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277 | |
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278 | age_reset(:) = .FALSE. |
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279 | |
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280 | DO i = 1, npts |
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281 | |
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282 | IF ( begin_leaves(i,j) ) THEN |
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283 | |
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284 | lm_min(i) = pheno_crit%lai_initmin(j) / sla(j) |
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285 | |
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286 | ! do we have to put a minimum biomass into the leaves? |
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287 | |
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288 | IF ( biomass(i,j,ileaf) .LT. lm_min(i) ) THEN |
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289 | |
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290 | ! |
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291 | ! 4.1 determine how much biomass we can use |
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292 | ! |
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293 | |
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294 | bm_wanted(i) = 2. * lm_min(i) |
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295 | |
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296 | ! eventually take the missing carbon from the atmosphere and |
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297 | ! put it into carbohydrate reserve |
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298 | |
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299 | IF ( always_init .AND. ( biomass(i,j,icarbres) .LT. bm_wanted(i) ) ) THEN |
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300 | !NV passage 2D |
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301 | co2_to_bm(i,j) = co2_to_bm(i,j) + ( bm_wanted(i) - biomass(i,j,icarbres) ) / dt |
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302 | |
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303 | biomass(i,j,icarbres) = bm_wanted(i) |
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304 | |
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305 | ENDIF |
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306 | |
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307 | bm_use(i) = MIN( biomass(i,j,icarbres), bm_wanted(i) ) |
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308 | |
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309 | ! |
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310 | ! 4.2 dispatch that biomass on leaves and roots |
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311 | ! |
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312 | |
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313 | biomass(i,j,ileaf) = biomass(i,j,ileaf) + bm_use(i) / 2. |
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314 | |
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315 | biomass(i,j,iroot) = biomass(i,j,iroot) + bm_use(i) / 2. |
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316 | |
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317 | ! |
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318 | ! 4.3 decrease reservoir biomass |
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319 | ! |
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320 | |
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321 | biomass(i,j,icarbres) = biomass(i,j,icarbres) - bm_use(i) |
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322 | |
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323 | ! |
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324 | ! 4.4 decide whether we have to reset then leaf age distribution |
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325 | ! (done later for better vectorization) |
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326 | ! |
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327 | |
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328 | age_reset(i) = .TRUE. |
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329 | |
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330 | ENDIF ! leaf mass is very low |
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331 | |
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332 | ! |
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333 | ! 4.5 reset counter: start of the growing season |
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334 | ! |
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335 | |
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336 | when_growthinit(i,j) = 0.0 |
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337 | |
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338 | ENDIF ! start of the growing season |
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339 | |
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340 | ENDDO ! loop over grid points |
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341 | |
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342 | ! |
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343 | ! 4.6 reset leaf age distribution where necessary |
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344 | ! simply say that everything is in the youngest age class |
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345 | ! |
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346 | |
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347 | ! 4.6.1 fractions |
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348 | |
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349 | WHERE ( age_reset(:) ) |
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350 | leaf_frac(:,j,1) = un |
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351 | ENDWHERE |
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352 | DO m = 2, nleafages |
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353 | WHERE ( age_reset(:) ) |
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354 | leaf_frac(:,j,m) = zero |
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355 | ENDWHERE |
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356 | ENDDO |
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357 | |
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358 | ! 4.6.2 ages |
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359 | |
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360 | DO m = 1, nleafages |
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361 | WHERE ( age_reset(:) ) |
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362 | leaf_age(:,j,m) = zero |
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363 | ENDWHERE |
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364 | ENDDO |
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365 | |
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366 | ENDDO ! loop over PFTs |
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367 | |
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368 | |
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369 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving phenology' |
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370 | |
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371 | END SUBROUTINE phenology |
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372 | |
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373 | ! |
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374 | ! ============================================================================== |
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375 | ! Phenology: begins if "weekly" soil humidity starts to exceed a certain threshold |
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376 | ! value. This value depends on last year's max and min humidity ... |
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377 | ! Always initiate growing season if soil moisture exceeds a certain threshold. |
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378 | ! |
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379 | |
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380 | SUBROUTINE pheno_hum (npts, j, PFTpresent, allow_initpheno, & |
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381 | moiavail_month, moiavail_week, & |
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382 | maxmoiavail_lastyear, minmoiavail_lastyear, & |
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383 | begin_leaves) |
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384 | |
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385 | ! |
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386 | ! 0 declarations |
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387 | ! |
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388 | |
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389 | ! 0.1 input |
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390 | |
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391 | ! Domain size |
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392 | INTEGER(i_std), INTENT(in) :: npts |
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393 | ! PFT index |
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394 | INTEGER(i_std), INTENT(in) :: j |
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395 | ! PFT exists |
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396 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
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397 | ! are we allowed to decalre the beginning of the growing season? |
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398 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: allow_initpheno |
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399 | ! "monthly" moisture availability |
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400 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_month |
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401 | ! "weekly" moisture availability |
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402 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_week |
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403 | ! last year's maximum moisture availability |
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404 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: maxmoiavail_lastyear |
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405 | ! last year's minimum moisture availability |
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406 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: minmoiavail_lastyear |
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407 | |
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408 | ! 0.2 output |
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409 | |
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410 | ! signal to start putting leaves on |
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411 | LOGICAL, DIMENSION(npts,nvm), INTENT(inout) :: begin_leaves |
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412 | |
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413 | ! 0.3 local |
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414 | |
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415 | ! moisture availability above which moisture tendency doesn't matter |
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416 | REAL(r_std), PARAMETER :: moiavail_always_tree = un |
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417 | REAL(r_std), PARAMETER :: moiavail_always_grass = 0.6 |
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418 | REAL(r_std) :: moiavail_always |
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419 | ! first call |
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420 | REAL(r_std), DIMENSION(npts) :: availability_crit |
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421 | ! index |
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422 | INTEGER(i_std) :: i |
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423 | |
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424 | ! ========================================================================= |
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425 | |
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426 | IF (bavard.GE.3) WRITE(numout,*) 'Entering hum' |
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427 | |
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428 | ! |
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429 | ! Initializations |
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430 | ! |
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431 | |
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432 | ! |
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433 | ! 1.1 messages |
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434 | ! |
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435 | |
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436 | IF ( firstcall_hum ) THEN |
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437 | |
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438 | WRITE(numout,*) 'pheno_hum:' |
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439 | WRITE(numout,*) ' > moisture availability above which moisture tendency doesn''t matter: ' |
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440 | WRITE(numout,*) ' trees:', moiavail_always_tree |
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441 | WRITE(numout,*) ' grasses:', moiavail_always_grass |
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442 | |
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443 | firstcall_hum = .FALSE. |
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444 | |
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445 | ENDIF |
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446 | |
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447 | ! |
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448 | ! 1.2 initialize output |
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449 | ! |
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450 | |
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451 | begin_leaves(:,j) = .FALSE. |
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452 | |
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453 | ! |
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454 | ! 1.3 check the prescribed critical value |
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455 | ! |
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456 | |
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457 | IF ( pheno_crit%hum_frac(j) .EQ. undef ) THEN |
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458 | |
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459 | WRITE(numout,*) 'hum: pheno_crit%hum_frac is undefined for PFT',j |
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460 | WRITE(numout,*) 'We stop.' |
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461 | STOP |
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462 | |
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463 | ENDIF |
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464 | |
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465 | ! |
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466 | ! 1.4 critical moisture availability above which we always detect the beginning of the |
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467 | ! growing season. |
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468 | ! |
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469 | |
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470 | IF ( tree(j) ) THEN |
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471 | moiavail_always = moiavail_always_tree |
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472 | ELSE |
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473 | moiavail_always = moiavail_always_grass |
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474 | ENDIF |
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475 | |
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476 | ! |
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477 | ! 2 PFT has to be there and start of growing season must be allowed |
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478 | ! |
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479 | |
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480 | DO i = 1, npts |
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481 | |
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482 | IF ( PFTpresent(i,j) .AND. allow_initpheno(i,j) ) THEN |
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483 | |
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484 | ! critical availability: depends on last year's max and min. |
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485 | |
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486 | availability_crit(i) = minmoiavail_lastyear(i,j) + pheno_crit%hum_frac(j) * & |
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487 | ( maxmoiavail_lastyear(i,j) - minmoiavail_lastyear(i,j) ) |
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488 | |
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489 | ! the favorable season starts if the "monthly" moisture availability is still quite |
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490 | ! low, but the "weekly" availability is already higher (as it reacts faster). |
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491 | ! If monthly moisture availability is high enough, also initiate growing season if |
---|
492 | ! this has not happened yet. |
---|
493 | |
---|
494 | IF ( ( ( moiavail_week(i,j) .GE. availability_crit(i) ) .AND. & |
---|
495 | ( moiavail_month(i,j) .LT. moiavail_week(i,j) ) ) .OR. & |
---|
496 | ( moiavail_month(i,j) .GE. moiavail_always ) ) THEN |
---|
497 | begin_leaves(i,j) = .TRUE. |
---|
498 | ENDIF |
---|
499 | |
---|
500 | ENDIF ! PFT there and start of growing season allowed |
---|
501 | |
---|
502 | ENDDO |
---|
503 | |
---|
504 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving hum' |
---|
505 | |
---|
506 | END SUBROUTINE pheno_hum |
---|
507 | |
---|
508 | ! |
---|
509 | ! ============================================================================== |
---|
510 | ! Phenology: begins if moisture minium was a sufficiently long time ago. |
---|
511 | ! Additionally, "weekly" soil humidity must be higher that "monthly" soil |
---|
512 | ! humidity. |
---|
513 | ! |
---|
514 | |
---|
515 | SUBROUTINE pheno_moi (npts, j, PFTpresent, allow_initpheno, & |
---|
516 | time_hum_min, & |
---|
517 | moiavail_month, moiavail_week, & |
---|
518 | begin_leaves) |
---|
519 | |
---|
520 | ! |
---|
521 | ! 0 declarations |
---|
522 | ! |
---|
523 | |
---|
524 | ! 0.1 input |
---|
525 | |
---|
526 | ! Domain size |
---|
527 | INTEGER(i_std), INTENT(in) :: npts |
---|
528 | ! PFT index |
---|
529 | INTEGER(i_std), INTENT(in) :: j |
---|
530 | ! PFT exists |
---|
531 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
---|
532 | ! are we allowed to decalre the beginning of the growing season? |
---|
533 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: allow_initpheno |
---|
534 | ! time elapsed since strongest moisture availability (d) |
---|
535 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: time_hum_min |
---|
536 | ! "monthly" moisture availability |
---|
537 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_month |
---|
538 | ! "weekly" moisture availability |
---|
539 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_week |
---|
540 | |
---|
541 | ! 0.2 output |
---|
542 | |
---|
543 | ! signal to start putting leaves on |
---|
544 | LOGICAL, DIMENSION(npts,nvm), INTENT(inout) :: begin_leaves |
---|
545 | |
---|
546 | ! 0.3 local |
---|
547 | |
---|
548 | ! moisture availability above which moisture tendency doesn't matter |
---|
549 | ! moisture availability above which moisture tendency doesn't matter |
---|
550 | REAL(r_std), PARAMETER :: moiavail_always_tree = un |
---|
551 | REAL(r_std), PARAMETER :: moiavail_always_grass = 0.6 |
---|
552 | REAL(r_std) :: moiavail_always |
---|
553 | ! index |
---|
554 | INTEGER(i_std) :: i |
---|
555 | |
---|
556 | ! ========================================================================= |
---|
557 | |
---|
558 | IF (bavard.GE.3) WRITE(numout,*) 'Entering moi' |
---|
559 | |
---|
560 | ! |
---|
561 | ! Initializations |
---|
562 | ! |
---|
563 | |
---|
564 | ! |
---|
565 | ! 1.1 messages |
---|
566 | ! |
---|
567 | |
---|
568 | IF ( firstcall_moi ) THEN |
---|
569 | |
---|
570 | WRITE(numout,*) 'pheno_moi:' |
---|
571 | WRITE(numout,*) ' > moisture availability above which moisture tendency doesn''t matter: ' |
---|
572 | WRITE(numout,*) ' trees:', moiavail_always_tree |
---|
573 | WRITE(numout,*) ' grasses:', moiavail_always_grass |
---|
574 | |
---|
575 | firstcall_moi = .FALSE. |
---|
576 | |
---|
577 | ENDIF |
---|
578 | |
---|
579 | ! |
---|
580 | ! 1.2 initialize output |
---|
581 | ! |
---|
582 | |
---|
583 | begin_leaves(:,j) = .FALSE. |
---|
584 | |
---|
585 | ! |
---|
586 | ! 1.3 check the prescribed critical value |
---|
587 | ! |
---|
588 | |
---|
589 | IF ( pheno_crit%hum_min_time(j) .EQ. undef ) THEN |
---|
590 | |
---|
591 | WRITE(numout,*) 'moi: pheno_crit%hum_min_time is undefined for PFT',j |
---|
592 | WRITE(numout,*) 'We stop.' |
---|
593 | STOP |
---|
594 | |
---|
595 | ENDIF |
---|
596 | |
---|
597 | ! |
---|
598 | ! 1.4 critical moisture availability above which we always detect the beginning of the |
---|
599 | ! growing season. |
---|
600 | ! |
---|
601 | |
---|
602 | IF ( tree(j) ) THEN |
---|
603 | moiavail_always = moiavail_always_tree |
---|
604 | ELSE |
---|
605 | moiavail_always = moiavail_always_grass |
---|
606 | ENDIF |
---|
607 | |
---|
608 | ! |
---|
609 | ! 2 PFT has to be there and start of growing season must be allowed |
---|
610 | ! |
---|
611 | |
---|
612 | DO i = 1, npts |
---|
613 | |
---|
614 | IF ( PFTpresent(i,j) .AND. allow_initpheno(i,j) ) THEN |
---|
615 | |
---|
616 | ! the favorable season starts if the moisture minimum was a sufficiently long |
---|
617 | ! time ago and if the "monthly" moisture availability is lower than the "weekly" |
---|
618 | ! availability (this means that soil moisture is increasing). |
---|
619 | ! If monthly moisture availability is high enough, also initiate growing season if |
---|
620 | ! this has not happened yet. |
---|
621 | |
---|
622 | IF ( ( ( moiavail_week(i,j) .GT. moiavail_month(i,j) ) .AND. & |
---|
623 | ( time_hum_min(i,j) .GT. pheno_crit%hum_min_time(j) ) ) .OR. & |
---|
624 | ( moiavail_month(i,j) .GE. moiavail_always ) ) THEN |
---|
625 | begin_leaves(i,j) = .TRUE. |
---|
626 | ENDIF |
---|
627 | |
---|
628 | ENDIF ! PFT there and start of growing season allowed |
---|
629 | |
---|
630 | ENDDO |
---|
631 | |
---|
632 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving moi' |
---|
633 | |
---|
634 | END SUBROUTINE pheno_moi |
---|
635 | |
---|
636 | ! |
---|
637 | ! ============================================================================== |
---|
638 | ! Phenology: leaves are put on if gdd exceeds a critical value. |
---|
639 | ! Additionally, there has to be at least some moisture. |
---|
640 | ! Set gdd to undef if beginning of the growing season detected. |
---|
641 | ! |
---|
642 | |
---|
643 | SUBROUTINE pheno_humgdd (npts, j, PFTpresent, allow_initpheno, gdd, & |
---|
644 | maxmoiavail_lastyear, minmoiavail_lastyear, & |
---|
645 | tlong_ref, t2m_month, t2m_week, & |
---|
646 | moiavail_week, moiavail_month, & |
---|
647 | begin_leaves) |
---|
648 | |
---|
649 | ! |
---|
650 | ! 0 declarations |
---|
651 | ! |
---|
652 | |
---|
653 | ! 0.1 input |
---|
654 | |
---|
655 | ! Domain size |
---|
656 | INTEGER(i_std), INTENT(in) :: npts |
---|
657 | ! PFT index |
---|
658 | INTEGER(i_std), INTENT(in) :: j |
---|
659 | ! PFT exists |
---|
660 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
---|
661 | ! are we allowed to decalre the beginning of the growing season? |
---|
662 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: allow_initpheno |
---|
663 | ! growing degree days, calculated since leaves have fallen |
---|
664 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: gdd |
---|
665 | ! last year's maximum moisture availability |
---|
666 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: maxmoiavail_lastyear |
---|
667 | ! last year's minimum moisture availability |
---|
668 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: minmoiavail_lastyear |
---|
669 | ! "long term" 2 meter temperatures (K) |
---|
670 | REAL(r_std), DIMENSION(npts), INTENT(in) :: tlong_ref |
---|
671 | ! "monthly" 2-meter temperatures (K) |
---|
672 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_month |
---|
673 | ! "weekly" 2-meter temperatures (K) |
---|
674 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_week |
---|
675 | ! "weekly" moisture availability |
---|
676 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_week |
---|
677 | ! "monthly" moisture availability |
---|
678 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_month |
---|
679 | |
---|
680 | ! 0.2 output |
---|
681 | |
---|
682 | ! signal to start putting leaves on |
---|
683 | LOGICAL, DIMENSION(npts,nvm), INTENT(inout) :: begin_leaves |
---|
684 | |
---|
685 | ! 0.3 local |
---|
686 | |
---|
687 | ! moisture availability above which moisture tendency doesn't matter |
---|
688 | ! moisture availability above which moisture tendency doesn't matter |
---|
689 | REAL(r_std), PARAMETER :: moiavail_always_tree = un |
---|
690 | REAL(r_std), PARAMETER :: moiavail_always_grass = 0.6 |
---|
691 | REAL(r_std) :: moiavail_always |
---|
692 | ! monthly temp. above which temp. tendency doesn't matter |
---|
693 | REAL(r_std), PARAMETER :: t_always = ZeroCelsius + 10. |
---|
694 | ! critical moisture availability |
---|
695 | REAL(r_std), DIMENSION(npts) :: moiavail_crit |
---|
696 | ! long term temperature, C |
---|
697 | REAL(r_std), DIMENSION(npts) :: tl |
---|
698 | ! critical GDD |
---|
699 | REAL(r_std), DIMENSION(npts) :: gdd_crit |
---|
700 | ! index |
---|
701 | INTEGER(i_std) :: i |
---|
702 | |
---|
703 | ! ========================================================================= |
---|
704 | |
---|
705 | IF (bavard.GE.3) WRITE(numout,*) 'Entering humgdd' |
---|
706 | |
---|
707 | ! |
---|
708 | ! 1 Initializations |
---|
709 | ! |
---|
710 | |
---|
711 | ! |
---|
712 | ! 1.1 messages |
---|
713 | ! |
---|
714 | |
---|
715 | IF ( firstcall_humgdd ) THEN |
---|
716 | |
---|
717 | WRITE(numout,*) 'pheno_humgdd:' |
---|
718 | WRITE(numout,*) ' > moisture availability above which moisture tendency doesn''t matter: ' |
---|
719 | WRITE(numout,*) ' trees:', moiavail_always_tree |
---|
720 | WRITE(numout,*) ' grasses:', moiavail_always_grass |
---|
721 | WRITE(numout,*) ' > monthly temp. above which temp. tendency doesn''t matter: ', & |
---|
722 | t_always |
---|
723 | |
---|
724 | firstcall_humgdd = .FALSE. |
---|
725 | |
---|
726 | ENDIF |
---|
727 | |
---|
728 | ! |
---|
729 | ! 1.2 initialize output |
---|
730 | ! |
---|
731 | |
---|
732 | begin_leaves(:,j) = .FALSE. |
---|
733 | |
---|
734 | ! |
---|
735 | ! 1.3 check the prescribed critical values |
---|
736 | ! |
---|
737 | |
---|
738 | IF ( ANY(pheno_crit%gdd(j,:) .EQ. undef) ) THEN |
---|
739 | |
---|
740 | WRITE(numout,*) 'humgdd: pheno_crit%gdd is undefined for PFT',j |
---|
741 | WRITE(numout,*) 'We stop.' |
---|
742 | STOP |
---|
743 | |
---|
744 | ENDIF |
---|
745 | |
---|
746 | IF ( pheno_crit%hum_frac(j) .EQ. undef ) THEN |
---|
747 | |
---|
748 | WRITE(numout,*) 'humgdd: pheno_crit%hum_frac is undefined for PFT',j |
---|
749 | WRITE(numout,*) 'We stop.' |
---|
750 | STOP |
---|
751 | |
---|
752 | ENDIF |
---|
753 | |
---|
754 | ! |
---|
755 | ! 1.4 critical moisture availability above which we always detect the beginning of the |
---|
756 | ! growing season. |
---|
757 | ! |
---|
758 | |
---|
759 | IF ( tree(j) ) THEN |
---|
760 | moiavail_always = moiavail_always_tree |
---|
761 | ELSE |
---|
762 | moiavail_always = moiavail_always_grass |
---|
763 | ENDIF |
---|
764 | |
---|
765 | ! |
---|
766 | ! 2 PFT has to be there, start of growing season must be allowed, |
---|
767 | ! and gdd has to be defined |
---|
768 | ! |
---|
769 | |
---|
770 | DO i = 1, npts |
---|
771 | |
---|
772 | IF ( PFTpresent(i,j) .AND. allow_initpheno(i,j) .AND. & |
---|
773 | ( gdd(i,j) .NE. undef ) ) THEN |
---|
774 | |
---|
775 | ! is critical gdd reached and is temperature increasing? |
---|
776 | ! be sure that at least some humidity |
---|
777 | |
---|
778 | moiavail_crit(i) = minmoiavail_lastyear(i,j) + pheno_crit%hum_frac(j) * & |
---|
779 | ( maxmoiavail_lastyear(i,j) - minmoiavail_lastyear(i,j) ) |
---|
780 | |
---|
781 | tl(i) = tlong_ref(i) - ZeroCelsius |
---|
782 | gdd_crit(i) = pheno_crit%gdd(j,1) + tl(i)*pheno_crit%gdd(j,2) + & |
---|
783 | tl(i)*tl(i)*pheno_crit%gdd(j,3) |
---|
784 | |
---|
785 | IF ( ( gdd(i,j) .GE. gdd_crit(i) ) .AND. & |
---|
786 | ( ( t2m_week(i) .GT. t2m_month(i) ) .OR. & |
---|
787 | ( t2m_month(i) .GT. t_always ) ) .AND. & |
---|
788 | ( ( ( moiavail_week(i,j) .GE. moiavail_crit(i) ) .AND. & |
---|
789 | ( moiavail_month(i,j) .LT. moiavail_crit(i) ) ) .OR. & |
---|
790 | ( moiavail_month(i,j) .GE. moiavail_always ) ) ) THEN |
---|
791 | begin_leaves(i,j) = .TRUE. |
---|
792 | ENDIF |
---|
793 | |
---|
794 | ENDIF ! PFT there and start of growing season allowed |
---|
795 | |
---|
796 | ENDDO |
---|
797 | |
---|
798 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving humgdd' |
---|
799 | |
---|
800 | END SUBROUTINE pheno_humgdd |
---|
801 | |
---|
802 | ! |
---|
803 | ! ============================================================================== |
---|
804 | ! Phenology: leaves are put on if gdd exceeds a critical value. |
---|
805 | ! Additionally, a certain time must have elapsed since the moisture minimum. |
---|
806 | ! Set gdd to undef if beginning of the growing season detected. |
---|
807 | ! |
---|
808 | |
---|
809 | SUBROUTINE pheno_moigdd (npts, j, PFTpresent, allow_initpheno, gdd, & |
---|
810 | time_hum_min, & |
---|
811 | tlong_ref, t2m_month, t2m_week, & |
---|
812 | moiavail_week, moiavail_month, & |
---|
813 | begin_leaves) |
---|
814 | |
---|
815 | ! |
---|
816 | ! 0 declarations |
---|
817 | ! |
---|
818 | |
---|
819 | ! 0.1 input |
---|
820 | |
---|
821 | ! Domain size |
---|
822 | INTEGER(i_std), INTENT(in) :: npts |
---|
823 | ! PFT index |
---|
824 | INTEGER(i_std), INTENT(in) :: j |
---|
825 | ! PFT exists |
---|
826 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
---|
827 | ! are we allowed to decalre the beginning of the growing season? |
---|
828 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: allow_initpheno |
---|
829 | ! growing degree days, calculated since leaves have fallen |
---|
830 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: gdd |
---|
831 | ! time elapsed since strongest moisture availability (d) |
---|
832 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: time_hum_min |
---|
833 | ! "long term" 2 meter temperatures (K) |
---|
834 | REAL(r_std), DIMENSION(npts), INTENT(in) :: tlong_ref |
---|
835 | ! "monthly" 2-meter temperatures (K) |
---|
836 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_month |
---|
837 | ! "weekly" 2-meter temperatures (K) |
---|
838 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_week |
---|
839 | ! "weekly" moisture availability |
---|
840 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_week |
---|
841 | ! "monthly" moisture availability |
---|
842 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: moiavail_month |
---|
843 | |
---|
844 | ! 0.2 output |
---|
845 | |
---|
846 | ! signal to start putting leaves on |
---|
847 | LOGICAL, DIMENSION(npts,nvm), INTENT(inout) :: begin_leaves |
---|
848 | |
---|
849 | ! 0.3 local |
---|
850 | |
---|
851 | ! moisture availability above which moisture tendency doesn't matter |
---|
852 | ! moisture availability above which moisture tendency doesn't matter |
---|
853 | REAL(r_std), PARAMETER :: moiavail_always_tree = un |
---|
854 | REAL(r_std), PARAMETER :: moiavail_always_grass = 0.6 |
---|
855 | REAL(r_std) :: moiavail_always |
---|
856 | ! monthly temp. above which temp. tendency doesn't matter |
---|
857 | REAL(r_std), PARAMETER :: t_always = ZeroCelsius + 10. |
---|
858 | ! long term temperature, C |
---|
859 | REAL(r_std), DIMENSION(npts) :: tl |
---|
860 | ! critical GDD |
---|
861 | REAL(r_std), DIMENSION(npts) :: gdd_crit |
---|
862 | ! index |
---|
863 | INTEGER(i_std) :: i |
---|
864 | |
---|
865 | ! ========================================================================= |
---|
866 | |
---|
867 | IF (bavard.GE.3) WRITE(numout,*) 'Entering moigdd' |
---|
868 | |
---|
869 | ! |
---|
870 | ! 1 Initializations |
---|
871 | ! |
---|
872 | |
---|
873 | ! |
---|
874 | ! 1.1 messages |
---|
875 | ! |
---|
876 | |
---|
877 | IF ( firstcall_moigdd ) THEN |
---|
878 | |
---|
879 | WRITE(numout,*) 'pheno_moigdd:' |
---|
880 | WRITE(numout,*) ' > moisture availability above which moisture tendency doesn''t matter: ' |
---|
881 | WRITE(numout,*) ' trees:', moiavail_always_tree |
---|
882 | WRITE(numout,*) ' grasses:', moiavail_always_grass |
---|
883 | WRITE(numout,*) ' > monthly temp. above which temp. tendency doesn''t matter: ', & |
---|
884 | t_always |
---|
885 | |
---|
886 | firstcall_moigdd = .FALSE. |
---|
887 | |
---|
888 | ENDIF |
---|
889 | |
---|
890 | ! |
---|
891 | ! 1.2 initialize output |
---|
892 | ! |
---|
893 | |
---|
894 | begin_leaves(:,j) = .FALSE. |
---|
895 | |
---|
896 | ! |
---|
897 | ! 1.3 check the prescribed critical values |
---|
898 | ! |
---|
899 | |
---|
900 | IF ( ANY(pheno_crit%gdd(j,:) .EQ. undef) ) THEN |
---|
901 | |
---|
902 | WRITE(numout,*) 'moigdd: pheno_crit%gdd is undefined for PFT',j |
---|
903 | WRITE(numout,*) 'We stop.' |
---|
904 | STOP |
---|
905 | |
---|
906 | ENDIF |
---|
907 | |
---|
908 | IF ( pheno_crit%hum_min_time(j) .EQ. undef ) THEN |
---|
909 | |
---|
910 | WRITE(numout,*) 'moigdd: pheno_crit%hum_min_time is undefined for PFT',j |
---|
911 | WRITE(numout,*) 'We stop.' |
---|
912 | STOP |
---|
913 | |
---|
914 | ENDIF |
---|
915 | |
---|
916 | ! |
---|
917 | ! 1.4 critical moisture availability above which we always detect the beginning of the |
---|
918 | ! growing season. |
---|
919 | ! |
---|
920 | |
---|
921 | IF ( tree(j) ) THEN |
---|
922 | moiavail_always = moiavail_always_tree |
---|
923 | ELSE |
---|
924 | moiavail_always = moiavail_always_grass |
---|
925 | ENDIF |
---|
926 | |
---|
927 | ! |
---|
928 | ! 2 PFT has to be there, start of growing season must be allowed, |
---|
929 | ! and gdd has to be defined |
---|
930 | ! |
---|
931 | |
---|
932 | DO i = 1, npts |
---|
933 | |
---|
934 | IF ( PFTpresent(i,j) .AND. allow_initpheno(i,j) .AND. & |
---|
935 | ( gdd(i,j) .NE. undef ) ) THEN |
---|
936 | |
---|
937 | ! is critical gdd reached and is temperature increasing? |
---|
938 | ! has enough time gone by since moisture minimum and is moisture increasing? |
---|
939 | |
---|
940 | tl(i) = tlong_ref(i) - ZeroCelsius |
---|
941 | gdd_crit(i) = pheno_crit%gdd(j,1) + tl(i)*pheno_crit%gdd(j,2) + & |
---|
942 | tl(i)*tl(i)*pheno_crit%gdd(j,3) |
---|
943 | |
---|
944 | IF ( ( gdd(i,j) .GE. gdd_crit(i) ) .AND. & |
---|
945 | ( ( t2m_week(i) .GT. t2m_month(i) ) .OR. & |
---|
946 | ( t2m_month(i) .GT. t_always ) ) .AND. & |
---|
947 | ( ( ( time_hum_min(i,j) .GT. pheno_crit%hum_min_time(j) ) .AND. & |
---|
948 | ( moiavail_week(i,j) .GT. moiavail_month(i,j) ) ) .OR. & |
---|
949 | ( moiavail_month(i,j) .GE. moiavail_always ) ) ) THEN |
---|
950 | begin_leaves(i,j) = .TRUE. |
---|
951 | ENDIF |
---|
952 | |
---|
953 | ENDIF ! PFT there and start of growing season allowed |
---|
954 | |
---|
955 | ENDDO |
---|
956 | |
---|
957 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving moigdd' |
---|
958 | |
---|
959 | END SUBROUTINE pheno_moigdd |
---|
960 | |
---|
961 | |
---|
962 | ! |
---|
963 | ! ============================================================================== |
---|
964 | ! Phenology: leaves are put on if a certain relationship between ncd since leaves were |
---|
965 | ! lost (number of chilling days) and gdd since midwinter (growing degree |
---|
966 | ! days) is fulfilled |
---|
967 | ! |
---|
968 | |
---|
969 | SUBROUTINE pheno_ncdgdd (npts, j, PFTpresent, allow_initpheno, & |
---|
970 | ncd_dormance, gdd_midwinter, & |
---|
971 | t2m_month, t2m_week, begin_leaves) |
---|
972 | |
---|
973 | ! |
---|
974 | ! 0 declarations |
---|
975 | ! |
---|
976 | |
---|
977 | ! 0.1 input |
---|
978 | |
---|
979 | ! Domain size |
---|
980 | INTEGER(i_std), INTENT(in) :: npts |
---|
981 | ! PFT index |
---|
982 | INTEGER(i_std), INTENT(in) :: j |
---|
983 | ! PFT exists |
---|
984 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
---|
985 | ! are we allowed to declare the beginning of the growing season? |
---|
986 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: allow_initpheno |
---|
987 | ! number of chilling days since leaves were lost |
---|
988 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: ncd_dormance |
---|
989 | ! growing degree days since midwinter |
---|
990 | REAL(r_std), DIMENSION(npts,nvm), INTENT(inout) :: gdd_midwinter |
---|
991 | ! "monthly" 2-meter temperatures (K) |
---|
992 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_month |
---|
993 | ! "weekly" 2-meter temperatures (K) |
---|
994 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_week |
---|
995 | |
---|
996 | ! 0.2 output |
---|
997 | |
---|
998 | ! signal to start putting leaves on |
---|
999 | LOGICAL, DIMENSION(npts,nvm), INTENT(inout) :: begin_leaves |
---|
1000 | |
---|
1001 | ! 0.3 local |
---|
1002 | |
---|
1003 | ! index |
---|
1004 | INTEGER(i_std) :: i |
---|
1005 | ! critical gdd |
---|
1006 | REAL(r_std) :: gdd_min |
---|
1007 | |
---|
1008 | ! ========================================================================= |
---|
1009 | |
---|
1010 | IF (bavard.GE.3) WRITE(numout,*) 'Entering ncdgdd' |
---|
1011 | |
---|
1012 | ! |
---|
1013 | ! 1 Initializations |
---|
1014 | ! |
---|
1015 | |
---|
1016 | ! |
---|
1017 | ! 1.1 initialize output |
---|
1018 | ! |
---|
1019 | |
---|
1020 | begin_leaves(:,j) = .FALSE. |
---|
1021 | |
---|
1022 | ! |
---|
1023 | ! 1.2 check the prescribed critical values |
---|
1024 | ! |
---|
1025 | |
---|
1026 | IF ( pheno_crit%ncdgdd_temp(j) .EQ. undef ) THEN |
---|
1027 | |
---|
1028 | WRITE(numout,*) 'ncdgdd: pheno_crit%ncdgdd_temp is undefined for PFT',j |
---|
1029 | WRITE(numout,*) 'We stop.' |
---|
1030 | STOP |
---|
1031 | |
---|
1032 | ENDIF |
---|
1033 | |
---|
1034 | ! |
---|
1035 | ! 2 PFT has to be there and start of growing season must be allowed |
---|
1036 | ! |
---|
1037 | |
---|
1038 | DO i = 1, npts |
---|
1039 | |
---|
1040 | IF ( PFTpresent(i,j) .AND. allow_initpheno(i,j) .AND. & |
---|
1041 | ( gdd_midwinter(i,j) .NE. undef ) .AND. & |
---|
1042 | ( ncd_dormance(i,j) .NE. undef ) ) THEN |
---|
1043 | |
---|
1044 | ! critical gdd |
---|
1045 | |
---|
1046 | gdd_min = ( 603. / exp(0.0091*ncd_dormance(i,j)) - 64. ) |
---|
1047 | |
---|
1048 | ! has the critical gdd been reached and are temperatures increasing? |
---|
1049 | |
---|
1050 | IF ( ( gdd_midwinter(i,j) .GE. gdd_min ) .AND. & |
---|
1051 | ( t2m_week(i) .GT. t2m_month(i) ) ) THEN |
---|
1052 | begin_leaves(i,j) = .TRUE. |
---|
1053 | gdd_midwinter(i,j)=undef |
---|
1054 | ENDIF |
---|
1055 | |
---|
1056 | ENDIF ! PFT there and start of growing season allowed |
---|
1057 | |
---|
1058 | ENDDO |
---|
1059 | |
---|
1060 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving ncdgdd' |
---|
1061 | |
---|
1062 | END SUBROUTINE pheno_ncdgdd |
---|
1063 | |
---|
1064 | ! |
---|
1065 | ! ============================================================================== |
---|
1066 | ! Phenology: leaves are put on if ngd (number of growing days, defined as |
---|
1067 | ! days with t>-5 deg C) exceeds a critical value. |
---|
1068 | ! |
---|
1069 | |
---|
1070 | SUBROUTINE pheno_ngd (npts, j, PFTpresent, allow_initpheno, ngd, & |
---|
1071 | t2m_month, t2m_week, begin_leaves) |
---|
1072 | |
---|
1073 | ! |
---|
1074 | ! 0 declarations |
---|
1075 | ! |
---|
1076 | |
---|
1077 | ! 0.1 input |
---|
1078 | |
---|
1079 | ! Domain size |
---|
1080 | INTEGER(i_std), INTENT(in) :: npts |
---|
1081 | ! PFT index |
---|
1082 | INTEGER(i_std), INTENT(in) :: j |
---|
1083 | ! PFT exists |
---|
1084 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: PFTpresent |
---|
1085 | ! are we allowed to declare the beginning of the growing season? |
---|
1086 | LOGICAL, DIMENSION(npts,nvm), INTENT(in) :: allow_initpheno |
---|
1087 | ! growing degree days |
---|
1088 | REAL(r_std), DIMENSION(npts,nvm), INTENT(in) :: ngd |
---|
1089 | ! "monthly" 2-meter temperatures (K) |
---|
1090 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_month |
---|
1091 | ! "weekly" 2-meter temperatures (K) |
---|
1092 | REAL(r_std), DIMENSION(npts), INTENT(in) :: t2m_week |
---|
1093 | |
---|
1094 | ! 0.2 output |
---|
1095 | |
---|
1096 | ! signal to start putting leaves on |
---|
1097 | LOGICAL, DIMENSION(npts,nvm), INTENT(inout) :: begin_leaves |
---|
1098 | |
---|
1099 | ! 0.3 local |
---|
1100 | |
---|
1101 | ! index |
---|
1102 | INTEGER(i_std) :: i |
---|
1103 | |
---|
1104 | ! ========================================================================= |
---|
1105 | |
---|
1106 | IF (bavard.GE.3) WRITE(numout,*) 'Entering ngd' |
---|
1107 | |
---|
1108 | ! |
---|
1109 | ! Initializations |
---|
1110 | ! |
---|
1111 | |
---|
1112 | ! |
---|
1113 | ! 1.1 initialize output |
---|
1114 | ! |
---|
1115 | |
---|
1116 | begin_leaves(:,j) = .FALSE. |
---|
1117 | |
---|
1118 | ! |
---|
1119 | ! 1.2 check the prescribed critical value |
---|
1120 | ! |
---|
1121 | |
---|
1122 | IF ( pheno_crit%ngd(j) .EQ. undef ) THEN |
---|
1123 | |
---|
1124 | WRITE(numout,*) 'ngd: pheno_crit%ngd is undefined for PFT',j |
---|
1125 | WRITE(numout,*) 'We stop.' |
---|
1126 | STOP |
---|
1127 | |
---|
1128 | ENDIF |
---|
1129 | |
---|
1130 | ! |
---|
1131 | ! 2 PFT has to be there and start of growing season must be allowed |
---|
1132 | ! |
---|
1133 | |
---|
1134 | DO i = 1, npts |
---|
1135 | |
---|
1136 | IF ( PFTpresent(i,j) .AND. allow_initpheno(i,j) ) THEN |
---|
1137 | |
---|
1138 | ! is critical ngd reached and are temperatures increasing? |
---|
1139 | |
---|
1140 | IF ( ( ngd(i,j) .GE. pheno_crit%ngd(j) ) .AND. & |
---|
1141 | ( t2m_week(i) .GT. t2m_month(i) ) ) THEN |
---|
1142 | begin_leaves(i,j) = .TRUE. |
---|
1143 | ENDIF |
---|
1144 | |
---|
1145 | ENDIF ! PFT there and start of growing season allowed |
---|
1146 | |
---|
1147 | ENDDO |
---|
1148 | |
---|
1149 | IF (bavard.GE.4) WRITE(numout,*) 'Leaving ngd' |
---|
1150 | |
---|
1151 | END SUBROUTINE pheno_ngd |
---|
1152 | |
---|
1153 | END MODULE stomate_phenology |
---|