1 | MODULE volcano_mod |
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2 | |
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3 | IMPLICIT NONE |
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4 | ! saved,protected variables: (local to the core) |
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5 | |
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6 | integer,save,protected :: nvolc ! number of active volcanoes |
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7 | !$OMP THREADPRIVATE(nvolc) |
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8 | |
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9 | real,save,allocatable,protected :: latlonvals(:,:) ! dimension (nvolc,2) |
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10 | ! lat, lon position of each volcano (deg) |
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11 | !$OMP THREADPRIVATE(latlonvals) |
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12 | |
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13 | integer,save,allocatable,protected :: heightvals(:) ! dimension (nvolc) |
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14 | ! altitude grid point index |
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15 | ! of eruption for each volcano |
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16 | !$OMP THREADPRIVATE(heightvals) |
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17 | |
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18 | integer,save,allocatable,protected :: eruptfreqs(:,:) ! dimension (nvolc,2) |
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19 | ! for each volcano: interval |
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20 | ! between each eruption in days, |
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21 | ! day offset from 0 |
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22 | !$OMP THREADPRIVATE(eruptfreqs) |
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23 | |
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24 | real,save,allocatable,protected :: volfluxes(:,:) ! dimension (nvolc,nq) |
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25 | ! outgassing flux of each tracer for |
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26 | ! each volcano, in kg/s |
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27 | !$OMP THREADPRIVATE(volfluxes) |
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28 | |
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29 | integer,save,allocatable,protected :: ivolc(:) ! dimension (nvolc) |
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30 | ! horizontal grid index of volcano |
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31 | !$OMP THREADPRIVATE(ivolc) |
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32 | |
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33 | CONTAINS |
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34 | |
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35 | SUBROUTINE volcano(ngrid,nlay,pplev,wu,wv,pt,zzlev,ssource,nq, & |
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36 | massarea,zday,ptimestep) |
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37 | |
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38 | use time_phylmdz_mod, only: daysec |
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39 | |
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40 | IMPLICIT NONE |
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41 | |
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42 | !======================================================================= |
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43 | ! Volcanic Activity (updated to run in parallel) |
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44 | ! |
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45 | ! Description : |
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46 | ! Author : Lionel Wilson |
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47 | ! Adapted for the LMD/GCM by Laura Kerber, J.-B. Madeleine, Saira Hamid |
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48 | ! Adapted to be more generalisable by Ashwin Braude (02.11.2023) |
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49 | ! |
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50 | ! Reference : |
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51 | ! @ARTICLE{2007JVGR..163...83W, |
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52 | ! author = {{Wilson}, L. and {Head}, J.~W.}, |
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53 | ! title = "{Explosive volcanic eruptions on Mars: Tephra and |
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54 | ! accretionary lapilli formation, dispersal and recognition in the |
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55 | ! geologic record}", |
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56 | ! journal = {Journal of Volcanology and Geothermal Research}, |
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57 | ! year = 2007, |
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58 | ! month = jun, |
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59 | ! volume = 163} |
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60 | !======================================================================= |
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61 | |
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62 | ! Variable statement |
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63 | ! __________________________________________________________________ |
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64 | |
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65 | |
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66 | ! Parameters |
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67 | ! ---------- |
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68 | |
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69 | ! PLEASE DEFINE THE LOCATION OF THE ERUPTION BELOW : |
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70 | ! ============================================= |
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71 | ! Source flux (kg/s) |
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72 | ! REAL, parameter :: mmsource = 1E8 !Mastin et al. 2009 |
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73 | ! REAL, parameter :: wsource = 1.E6 !1wt% magma water content(Greeley 1987) |
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74 | ! REAL, parameter :: h2so4source = 1.E8 |
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75 | ! ============================================= |
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76 | ! Local variables |
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77 | ! --------------- |
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78 | |
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79 | INTEGER :: l |
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80 | INTEGER :: iq ! Tracer identifier |
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81 | INTEGER :: ig |
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82 | INTEGER :: volci |
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83 | |
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84 | LOGICAL,SAVE :: firstcall=.true. |
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85 | !$OMP THREADPRIVATE(firstcall) |
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86 | |
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87 | ! Inputs |
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88 | ! ------ |
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89 | |
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90 | INTEGER, intent(in) :: nq ! Number of tracers |
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91 | INTEGER, intent(in) :: ngrid ! Number of grid points |
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92 | INTEGER,intent(in) :: nlay ! Number of vertical levels |
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93 | REAL,intent(in) :: pplev(ngrid,nlay+1) ! Pressure between the layers (Pa) |
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94 | REAL,intent(in) :: zzlev(ngrid,nlay+1) ! height between the layers (km) |
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95 | REAL,intent(in) :: wv(ngrid,nlay+1) ! wind |
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96 | REAL,intent(in) :: wu(ngrid,nlay+1) ! wind |
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97 | REAL,intent(in) :: pt(ngrid,nlay+1) ! temp |
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98 | REAL,intent(in) :: massarea(ngrid,nlay) |
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99 | REAL,intent(in) :: zday ! "Universal time": in sols (and fraction thereof). |
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100 | ! since the North. Spring equinox (Ls=0) |
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101 | REAL,intent(in) :: ptimestep ! Physics timestep (s). |
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102 | |
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103 | ! Outputs |
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104 | ! ------- |
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105 | REAL, intent(out) :: ssource(ngrid,nlay,nq) ! Source tendency (kg.kg-1.s-1) |
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106 | |
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107 | ! Initialization |
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108 | ! __________________________________________________________________ |
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109 | |
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110 | if (firstcall) then |
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111 | ! initialize everything the very first time this routine is called |
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112 | call read_volcano(nq,ngrid) |
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113 | firstcall=.false. |
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114 | endif |
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115 | |
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116 | ssource(1:ngrid,1:nlay,1:nq)=0 !all arrays=zero since it's a local variable within routine that need to be initialized |
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117 | |
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118 | do volci=1,nvolc |
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119 | |
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120 | !If time to erupt volcano |
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121 | if(modulo(nint(zday)-eruptfreqs(volci,2),eruptfreqs(volci,1)).eq.0)then |
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122 | |
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123 | !and then emit source flux at that point |
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124 | WRITE(*,*) 'Volcano ',volci,' Time: ', nint(zday), eruptfreqs(volci,:) |
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125 | WRITE(*,*) 'Erupt volcano at ivolc=',ivolc(volci),' height=',heightvals(volci) |
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126 | l = heightvals(volci) |
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127 | ig=ivolc(volci) |
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128 | do iq=1,nq |
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129 | ssource(ig,l,iq) = ssource(ig,l,iq)+& |
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130 | volfluxes(volci,iq)/massarea(ig,l) |
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131 | enddo |
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132 | |
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133 | endif |
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134 | |
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135 | enddo ! of do volci=1,nvolc |
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136 | |
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137 | END SUBROUTINE volcano |
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138 | |
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139 | !======================================================================= |
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140 | |
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141 | SUBROUTINE read_volcano(nq,ngrid) |
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142 | ! this routine reads in volcano.def and initializes module variables |
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143 | USE mod_phys_lmdz_para, only: is_master, bcast |
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144 | use mod_phys_lmdz_transfert_para, only: reduce_sum |
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145 | use comcstfi_mod, only: pi |
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146 | use tracer_h, only: is_known_tracer, tracer_index |
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147 | use mod_grid_phy_lmdz, only: nvertex ! number of grid cell "corners" |
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148 | use geometry_mod, only: boundslon, boundslat ! grid cell boundaries (rad) |
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149 | use geometry_mod, only: longitude_deg, latitude_deg ! grid cell coordinates (deg) |
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150 | IMPLICIT NONE |
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151 | |
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152 | integer, intent(in) :: nq ! number of tracers |
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153 | INTEGER, intent(in) :: ngrid ! number of atmospheric columns |
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154 | real, allocatable :: latlonvals_total(:,:) !lat, lon position of each volcano |
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155 | integer, allocatable :: heightvals_total(:) ! alt index of eruption |
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156 | real, allocatable :: eruptfreqs_total(:,:) ! date and freq of eruption |
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157 | real, allocatable :: volfluxes_total(:,:) ! injected tracer rate |
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158 | integer :: ierr ! error return code |
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159 | integer :: iq,l,volci,ivoltrac,nvoltrac,blank |
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160 | integer :: eruptfreq,eruptoffset |
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161 | integer :: nvolctrac ! number of outgased tracers |
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162 | integer :: ig,i |
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163 | integer :: nvolc_total ! total (planet-wide) number of volcanoes |
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164 | integer :: nvolc_check |
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165 | real :: lat_volc,lon_volc,volflux |
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166 | character(len=500) :: voltrac(nq) |
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167 | character(len=500) :: tracline ! to read volcano.def line |
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168 | real :: boundslon_deg(nvertex) ! cell longitude boundaries (deg) |
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169 | real :: boundslat_deg(nvertex) ! cell latitude boundaries (deg) |
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170 | real :: minlat, minlon, maxlat, maxlon |
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171 | logical,allocatable :: belongs_here(:) |
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172 | integer,allocatable :: volc_index(:) |
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173 | character(len=*),parameter :: rname="read_volcano" |
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174 | |
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175 | ! 1. Only the master reads and processes the volcano.def file |
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176 | if (is_master) then |
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177 | ! 1.1 Open file and get total number of volcanoes |
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178 | open(407, form = 'formatted', status = 'old', & |
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179 | file = 'volcano.def', iostat=ierr) |
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180 | if (ierr /=0) then |
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181 | print*,trim(rname)//': Problem in opening volcano.def' |
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182 | stop |
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183 | end if |
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184 | |
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185 | write(*,*)trim(rname)//' Reading file volcano.def' |
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186 | DO |
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187 | READ(407,'(A)',iostat=ierr) tracline |
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188 | IF (ierr==0) THEN |
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189 | IF (index(tracline,'#').ne.1) THEN ! Allows arbitary number of comments lines in the header |
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190 | !Read in the number of point sources/volcanoes in volcano.def |
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191 | READ(tracline,*) nvolc_total |
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192 | EXIT |
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193 | ENDIF |
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194 | ELSE ! If pb, or if reached EOF without having found nqtot |
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195 | ! call abort_physic('initracer','Unable to read numbers '// & |
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196 | ! 'of tracers in traceur.def',1) |
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197 | print*,trim(rname)//": unable to read numbers of tracer in volcano.def" |
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198 | stop |
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199 | ENDIF |
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200 | ENDDO |
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201 | endif ! of if (is_master) |
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202 | ! tell the world about nvolc_total |
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203 | CALL bcast(nvolc_total) |
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204 | |
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205 | ! 1.2. allocate arrays (all cores) to store all the information |
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206 | ALLOCATE(latlonvals_total(nvolc_total,2),stat=ierr) |
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207 | if (ierr/=0) then |
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208 | write(*,*) trim(rname)//" failed allocation for latlonvals_total()" |
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209 | call abort_physic(rname,"failled allocation",1) |
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210 | endif |
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211 | ALLOCATE(heightvals_total(nvolc_total),stat=ierr) |
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212 | if (ierr/=0) then |
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213 | write(*,*) trim(rname)//" failed allocation for heightvals_total()" |
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214 | call abort_physic(rname,"failled allocation",1) |
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215 | endif |
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216 | ALLOCATE(eruptfreqs_total(nvolc_total,2),stat=ierr) |
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217 | if (ierr/=0) then |
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218 | write(*,*) trim(rname)//" failed allocation for eruptfreqs_total()" |
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219 | call abort_physic(rname,"failled allocation",1) |
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220 | endif |
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221 | ALLOCATE(volfluxes_total(nvolc_total,nq),stat=ierr) |
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222 | if (ierr/=0) then |
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223 | write(*,*) trim(rname)//" failed allocation for volfluxes_total()" |
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224 | call abort_physic(rname,"failled allocation",1) |
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225 | endif |
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226 | ! initialize volfluxes_total |
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227 | volfluxes_total(:,:)=0.0 |
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228 | |
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229 | ! 1.3. continue (master only) to read and process volcano.def |
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230 | if (is_master) then |
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231 | volci = 0 |
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232 | !Iterate for each volcano |
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233 | do while (volci.lt.nvolc_total) |
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234 | DO |
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235 | READ(407,'(A)',iostat=ierr) tracline |
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236 | IF (ierr==0) THEN |
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237 | IF (index(tracline,'#').ne.1) THEN |
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238 | READ(tracline,*) volci |
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239 | EXIT |
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240 | ENDIF |
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241 | ELSE ! If pb, or if reached EOF without having found nqtot |
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242 | ! call abort_physic('initracer','Unable to read numbers '// & |
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243 | ! 'of tracers in traceur.def',1) |
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244 | print*,trim(rname)//": unable to read line in volcano.def" |
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245 | stop |
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246 | ENDIF |
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247 | ENDDO |
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248 | write(*,*)trim(rname)//': volcano number:',volci |
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249 | READ(407,*,iostat=ierr) lat_volc,lon_volc,l |
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250 | write(*,*)trim(rname)//' latitude:',lat_volc |
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251 | write(*,*)trim(rname)//' longitude:',lon_volc |
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252 | latlonvals_total(volci,1) = lat_volc |
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253 | latlonvals_total(volci,2) = lon_volc |
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254 | heightvals_total(volci) = l |
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255 | !Read in number of active tracers being outgassed |
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256 | READ(407,*,iostat=ierr) nvoltrac |
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257 | write(*,*)trim(rname)//' number of outgased tracers:',nvoltrac |
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258 | !Read in eruption frequency (in multiples of iphysiq) and offset of eruption |
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259 | READ(407,'(A)',iostat=ierr) tracline |
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260 | READ(tracline,*) eruptfreq, eruptoffset |
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261 | write(*,*)trim(rname)//' eruption frequency (sols):',eruptfreq |
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262 | write(*,*)trim(rname)//' eruption offset (sols):',eruptoffset |
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263 | eruptfreqs_total(volci,1) = eruptfreq |
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264 | eruptfreqs_total(volci,2) = eruptoffset |
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265 | |
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266 | do ivoltrac=1,nvoltrac |
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267 | |
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268 | !Read in tracer name and check it's in traceur.def |
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269 | read(407,'(A)') tracline |
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270 | blank = index(tracline,' ') ! Find position of 1st blank in tracline |
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271 | voltrac(ivoltrac) = tracline(1:blank) |
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272 | ! check it is a valid tracer: |
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273 | if (is_known_tracer(voltrac(ivoltrac))) then |
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274 | !Read in flux of tracer out of volcano (kg/s) |
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275 | READ(407,'(A)',iostat=ierr) tracline |
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276 | READ(tracline,*) volflux |
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277 | iq=tracer_index(voltrac(ivoltrac)) |
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278 | volfluxes_total(volci,iq) = volflux |
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279 | else |
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280 | write(*,*) trim(rname)//": problem with ",trim(voltrac(ivoltrac)) |
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281 | call abort_physic(rname, 'tracer '//& |
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282 | trim(voltrac(ivoltrac))//' not found', 1) |
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283 | endif |
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284 | |
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285 | enddo ! of do ivoltrac=1,nvoltrac |
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286 | |
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287 | enddo ! of do while (volci.lt.nvolc_total) |
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288 | |
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289 | close(407) |
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290 | endif ! of if (is_master) |
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291 | |
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292 | ! 2. Share data with all cores |
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293 | call bcast(latlonvals_total) |
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294 | call bcast(heightvals_total) |
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295 | call bcast(eruptfreqs_total) |
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296 | call bcast(volfluxes_total) |
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297 | |
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298 | ! 3. Each core extracts and stores data relevant to its domain only |
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299 | ! 3.1. find out how many volcanoes for this core |
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300 | nvolc=0 |
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301 | allocate(belongs_here(nvolc_total),stat=ierr) |
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302 | if (ierr/=0) then |
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303 | write(*,*) trim(rname)//" failed allocation for belong_here()" |
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304 | call abort_physic(rname,"failled allocation",1) |
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305 | endif |
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306 | allocate(volc_index(nvolc_total),stat=ierr) |
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307 | if (ierr/=0) then |
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308 | write(*,*) trim(rname)//" failed allocation for volc_index()" |
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309 | call abort_physic(rname,"failled allocation",1) |
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310 | endif |
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311 | |
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312 | do volci=1,nvolc_total |
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313 | belongs_here(volci)=.false. |
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314 | volc_index(volci)=0 |
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315 | |
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316 | lat_volc=latlonvals_total(volci,1) |
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317 | lon_volc=latlonvals_total(volci,2) |
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318 | |
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319 | ! find out if this volcano is in the ig cell |
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320 | do ig=1,ngrid |
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321 | boundslon_deg(:)=boundslon(ig,:)/pi*180. |
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322 | boundslat_deg(:)=boundslat(ig,:)/pi*180. |
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323 | |
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324 | minlon=minval(boundslon_deg) |
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325 | maxlon=maxval(boundslon_deg) |
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326 | minlat=minval(boundslat_deg) |
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327 | maxlat=maxval(boundslat_deg) |
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328 | |
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329 | if ((minlat<=lat_volc).and.(lat_volc<=maxlat).and. & |
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330 | (((minlon<=lon_volc).and.(lon_volc<=maxlon)).or. & |
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331 | ((minlon+360.<=lon_volc).and.(lon_volc<=maxlon+360.)).or. & |
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332 | ((minlon-360.<=lon_volc).and.(lon_volc<=maxlon-360.)))) then |
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333 | nvolc=nvolc+1 |
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334 | belongs_here(volci)=.true. |
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335 | volc_index(volci)=ig |
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336 | ! the job is done move on to next volcano |
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337 | exit |
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338 | endif |
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339 | enddo ! of do ig=1,ngrid |
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340 | enddo ! of volci=1,nvolc_total |
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341 | |
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342 | ! 3.2. allocate arrays, now that nvolc is known |
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343 | if (nvolc>0) then |
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344 | allocate(latlonvals(nvolc,2),stat=ierr) |
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345 | if (ierr/=0) then |
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346 | write(*,*) trim(rname)//" failed allocation for latlonvals()" |
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347 | call abort_physic(rname,"failled allocation",1) |
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348 | endif |
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349 | allocate(heightvals(nvolc),stat=ierr) |
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350 | if (ierr/=0) then |
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351 | write(*,*) trim(rname)//" failed allocation for heightvals()" |
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352 | call abort_physic(rname,"failled allocation",1) |
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353 | endif |
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354 | allocate(eruptfreqs(nvolc,2),stat=ierr) |
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355 | if (ierr/=0) then |
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356 | write(*,*) trim(rname)//" failed allocation for eruptfreqs()" |
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357 | call abort_physic(rname,"failled allocation",1) |
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358 | endif |
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359 | allocate(volfluxes(nvolc,nq),stat=ierr) |
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360 | if (ierr/=0) then |
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361 | write(*,*) trim(rname)//" failed allocation for volfluxes()" |
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362 | call abort_physic(rname,"failled allocation",1) |
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363 | endif |
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364 | allocate(ivolc(nvolc),stat=ierr) |
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365 | if (ierr/=0) then |
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366 | write(*,*) trim(rname)//" failed allocation for ivolc()" |
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367 | call abort_physic(rname,"failled allocation",1) |
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368 | endif |
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369 | endif ! of if (nvolc>0) |
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370 | |
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371 | ! 3.3. copy over global data to local arrays |
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372 | do volci=1,nvolc |
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373 | do i=1,nvolc_total |
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374 | if (belongs_here(i)) then |
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375 | ! copy data to local arrays |
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376 | latlonvals(volci,1:2)=latlonvals_total(i,1:2) |
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377 | heightvals(volci)=heightvals_total(i) |
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378 | eruptfreqs(volci,1:2)=eruptfreqs_total(i,1:2) |
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379 | volfluxes(volci,1:nq)=volfluxes_total(i,1:nq) |
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380 | ivolc(volci)=volc_index(i) |
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381 | ! the job is done, move on to next one |
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382 | belongs_here(i)=.false. |
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383 | exit |
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384 | endif ! of if (belongs_here(i)) |
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385 | enddo ! of do i=1,nvolc_total |
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386 | enddo ! of do volci=1,nvolc |
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387 | |
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388 | ! 4. Sanity check |
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389 | ! verify that the sum of volcanoes over all cores is indeed nvolc_total |
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390 | if (is_master) nvolc_check=0 |
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391 | call bcast(nvolc_check) |
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392 | call reduce_sum(nvolc,nvolc_check) |
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393 | call bcast(nvolc_check) |
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394 | if (nvolc_check/=nvolc_total) then |
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395 | write(*,*) trim(rname)//" error. Sum of volcanoes over all cores ", & |
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396 | nvolc_check," differs from nvolc_total=",nvolc_total |
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397 | call abort_physic(rname," error. Check and fix volcano.F90",1) |
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398 | endif |
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399 | |
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400 | ! give a summary, for each core: |
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401 | write(*,*) trim(rname)//": nvolc=",nvolc," /",nvolc_total |
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402 | do volci=1,nvolc |
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403 | write(*,*) trim(rname)//": latlonvals(1:2)=",latlonvals(volci,1:2) |
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404 | write(*,*) trim(rname)//": heightvals=",heightvals(volci) |
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405 | write(*,*) trim(rname)//": eruptfreqs(1:2)=",eruptfreqs(volci,1:2) |
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406 | write(*,*) trim(rname)//": volfluxes(1:nq)=",volfluxes(volci,1:nq) |
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407 | write(*,*) trim(rname)//": ivolc=",ivolc(volci) |
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408 | write(*,*) trim(rname)//": longitude(ivolc)=",longitude_deg(ivolc(volci)) |
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409 | write(*,*) trim(rname)//": latitude(ivolc)=",latitude_deg(ivolc(volci)) |
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410 | enddo |
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411 | |
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412 | END SUBROUTINE read_volcano |
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413 | |
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414 | END MODULE volcano_mod |
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