1 | MODULE phycst |
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2 | !!====================================================================== |
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3 | !! *** MODULE phycst *** |
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4 | !! Definition of of both ocean and ice parameters used in the code |
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5 | !!===================================================================== |
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6 | !! History : ! 90-10 (C. Levy - G. Madec) Original code |
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7 | !! ! 91-11 (G. Madec) |
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8 | !! ! 91-12 (M. Imbard) |
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9 | !! 8.5 ! 02-08 (G. Madec, C. Ethe) F90, add ice constants |
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10 | !! 9.0 ! 06-08 (G. Madec) style |
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11 | !!---------------------------------------------------------------------- |
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12 | |
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13 | !!---------------------------------------------------------------------- |
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14 | !! phy_cst : define and print physical constant and domain parameters |
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15 | !!---------------------------------------------------------------------- |
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16 | USE par_oce ! ocean parameters |
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17 | USE in_out_manager ! I/O manager |
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18 | |
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19 | IMPLICIT NONE |
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20 | PRIVATE |
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21 | |
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22 | PUBLIC phy_cst ! routine called by inipar.F90 |
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23 | |
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24 | REAL(wp), PUBLIC :: rpi = 3.141592653589793_wp !: pi |
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25 | REAL(wp), PUBLIC :: rad = 3.141592653589793_wp / 180._wp !: conversion from degre into radian |
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26 | REAL(wp), PUBLIC :: rsmall = 0.5 * EPSILON( 1. ) !: smallest real computer value |
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27 | |
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28 | REAL(wp), PUBLIC :: & !: |
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29 | rday = 24.*60.*60. , & !: day (s) |
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30 | rsiyea , & !: sideral year (s) |
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31 | rsiday , & !: sideral day (s) |
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32 | raajj = 365._wp , & !: number of days in one year |
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33 | raamo = 12._wp , & !: number of months in one year |
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34 | rjjhh = 24._wp , & !: number of hours in one day |
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35 | rhhmm = 60._wp , & !: number of minutes in one hour |
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36 | rmmss = 60._wp , & !: number of seconds in one minute |
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37 | raass , & !: number of seconds in one year |
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38 | rmoss , & !: number of seconds in one month |
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39 | rjjss , & !: number of seconds in one day |
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40 | !!! omega = 7.292115083046061e-5_wp , & !: change the last digit! |
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41 | omega , & !: earth rotation parameter |
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42 | ra = 6371229._wp , & !: earth radius (meter) |
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43 | grav = 9.80665_wp !: gravity (m/s2) |
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44 | |
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45 | REAL(wp), PUBLIC :: & !: |
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46 | rtt = 273.16_wp , & !: triple point of temperature (Kelvin) |
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47 | rt0 = 273.15_wp , & !: freezing point of water (Kelvin) |
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48 | #if defined key_lim3 |
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49 | rt0_snow = 273.16_wp , & !: melting point of snow (Kelvin) |
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50 | rt0_ice = 273.16_wp , & !: melting point of ice (Kelvin) |
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51 | #else |
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52 | rt0_snow = 273.15_wp , & !: melting point of snow (Kelvin) |
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53 | rt0_ice = 273.05_wp , & !: melting point of ice (Kelvin) |
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54 | #endif |
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55 | rau0 = 1020._wp , & !: volumic mass of reference (kg/m3) |
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56 | rauw = 1000._wp , & !: volumic mass of pure water (kg/m3) |
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57 | rcp = 4.e+3_wp, & !: ocean specific heat |
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58 | ro0cpr !: = 1. / ( rau0 * rcp ) |
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59 | |
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60 | REAL(wp), PUBLIC :: & !: |
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61 | #if defined key_lim3 |
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62 | rcdsn = 0.31_wp , & !: thermal conductivity of snow |
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63 | rcdic = 2.034396_wp , & !: thermal conductivity of fresh ice |
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64 | cpic = 2067.0 , & |
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65 | ! add the following lines |
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66 | lsub = 2.834e+6 , & !: pure ice latent heat of sublimation (J.kg-1) |
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67 | lfus = 0.334e+6 , & !: latent heat of fusion of fresh ice (J.kg-1) |
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68 | rhoic = 917._wp , & !: volumic mass of sea ice (kg/m3) |
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69 | tmut = 0.054 , & !: decrease of seawater meltpoint with salinity |
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70 | #else |
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71 | rcdsn = 0.22_wp , & !: conductivity of the snow |
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72 | rcdic = 2.034396_wp , & !: conductivity of the ice |
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73 | rcpsn = 6.9069e+5_wp, & !: density times specific heat for snow |
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74 | rcpic = 1.8837e+6_wp, & !: volumetric latent heat fusion of sea ice |
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75 | xlsn = 110.121e+6_wp , & !: volumetric latent heat fusion of snow |
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76 | xlic = 300.33e+6_wp , & !: volumetric latent heat fusion of ice |
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77 | xsn = 2.8e+6 , & !: latent heat of sublimation of snow |
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78 | rhoic = 900._wp , & !: volumic mass of sea ice (kg/m3) |
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79 | #endif |
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80 | rhosn = 330._wp , & !: volumic mass of snow (kg/m3) |
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81 | emic = 0.97_wp , & !: emissivity of snow or ice |
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82 | sice = 6.0_wp , & !: salinity of ice (psu) |
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83 | soce = 34.7_wp , & !: salinity of sea (psu) |
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84 | cevap = 2.5e+6_wp , & !: latent heat of evaporation (water) |
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85 | srgamma = 0.9_wp , & !: correction factor for solar radiation (Oberhuber, 1974) |
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86 | vkarmn = 0.4_wp , & !: von Karman constant |
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87 | stefan = 5.67e-8_wp !: Stefan-Boltzmann constant |
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88 | !!---------------------------------------------------------------------- |
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89 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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90 | !! $Header$ |
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91 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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92 | !!---------------------------------------------------------------------- |
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93 | |
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94 | CONTAINS |
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95 | |
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96 | SUBROUTINE phy_cst |
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97 | !!---------------------------------------------------------------------- |
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98 | !! *** ROUTINE phy_cst *** |
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99 | !! |
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100 | !! ** Purpose : Print model parameters and set and print the constants |
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101 | !!---------------------------------------------------------------------- |
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102 | CHARACTER (len=64) :: cform = "(A12, 3(A13, I7) )" |
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103 | !!---------------------------------------------------------------------- |
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104 | |
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105 | IF(lwp) WRITE(numout,*) |
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106 | IF(lwp) WRITE(numout,*) ' phy_cst : initialization of ocean parameters and constants' |
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107 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
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108 | |
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109 | ! Ocean Parameters |
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110 | ! ---------------- |
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111 | IF(lwp) THEN |
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112 | WRITE(numout,*) ' Domain info' |
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113 | WRITE(numout,*) ' dimension of model' |
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114 | WRITE(numout,*) ' Local domain Global domain Data domain ' |
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115 | WRITE(numout,cform) ' ',' jpi : ', jpi, ' jpiglo : ', jpiglo, ' jpidta : ', jpidta |
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116 | WRITE(numout,cform) ' ',' jpj : ', jpj, ' jpjglo : ', jpjglo, ' jpjdta : ', jpjdta |
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117 | WRITE(numout,cform) ' ',' jpk : ', jpk, ' jpk : ', jpk , ' jpkdta : ', jpkdta |
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118 | WRITE(numout,*) ' ',' jpij : ', jpij |
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119 | WRITE(numout,*) ' mpp local domain info (mpp)' |
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120 | WRITE(numout,*) ' jpni : ', jpni, ' jpreci : ', jpreci |
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121 | WRITE(numout,*) ' jpnj : ', jpnj, ' jprecj : ', jprecj |
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122 | WRITE(numout,*) ' jpnij : ', jpnij |
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123 | WRITE(numout,*) ' lateral domain boundary condition type : jperio = ', jperio |
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124 | WRITE(numout,*) ' domain island (use in rigid-lid case) : jpisl = ', jpisl, ' jpnisl = ', jpnisl |
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125 | ENDIF |
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126 | |
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127 | ! Define constants |
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128 | ! ---------------- |
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129 | IF(lwp) WRITE(numout,*) |
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130 | IF(lwp) WRITE(numout,*) ' Constants' |
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131 | |
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132 | IF(lwp) WRITE(numout,*) |
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133 | IF(lwp) WRITE(numout,*) ' mathematical constant rpi = ', rpi |
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134 | |
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135 | rsiyea = 365.25 * rday * 2. * rpi / 6.283076 |
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136 | rsiday = rday / ( 1. + rday / rsiyea ) |
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137 | omega = 2. * rpi / rsiday |
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138 | IF(lwp) WRITE(numout,*) |
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139 | IF(lwp) WRITE(numout,*) ' day rday = ', rday, ' s' |
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140 | IF(lwp) WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' |
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141 | IF(lwp) WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' |
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142 | IF(lwp) WRITE(numout,*) ' omega omega = ', omega, ' s-1' |
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143 | |
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144 | rjjss = rjjhh * rhhmm * rmmss |
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145 | IF(lwp) WRITE(numout,*) |
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146 | IF(lwp) WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' |
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147 | IF(lwp) WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' |
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148 | IF(lwp) WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' |
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149 | IF(lwp) WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' |
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150 | IF(lwp) WRITE(numout,*) ' nb of seconds per day rjjss = ', rjjss, ' s' |
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151 | |
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152 | IF(lwp) WRITE(numout,*) |
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153 | IF(lwp) WRITE(numout,*) ' earth radius ra = ', ra, ' m' |
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154 | IF(lwp) WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' |
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155 | |
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156 | IF(lwp) WRITE(numout,*) |
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157 | IF(lwp) WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' |
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158 | IF(lwp) WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' |
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159 | IF(lwp) WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' |
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160 | IF(lwp) WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' |
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161 | |
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162 | ro0cpr = 1. / ( rau0 * rcp ) |
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163 | IF(lwp) WRITE(numout,*) |
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164 | IF(lwp) WRITE(numout,*) ' volumic mass of pure water rauw = ', rauw, ' kg/m^3' |
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165 | IF(lwp) WRITE(numout,*) ' volumic mass of reference rau0 = ', rau0, ' kg/m^3' |
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166 | IF(lwp) WRITE(numout,*) ' ocean specific heat rcp = ', rcp |
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167 | IF(lwp) WRITE(numout,*) ' 1. / ( rau0 * rcp ) = ro0cpr = ', ro0cpr |
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168 | |
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169 | IF(lwp) THEN |
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170 | WRITE(numout,*) |
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171 | WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' |
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172 | WRITE(numout,*) ' thermal conductivity of the ice = ', rcdic , ' J/s/m/K' |
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173 | #if defined key_lim3 |
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174 | WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' |
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175 | WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' |
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176 | WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' |
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177 | #else |
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178 | WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m^3/K' |
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179 | WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m^3/K' |
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180 | WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' |
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181 | WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m' |
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182 | WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' |
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183 | #endif |
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184 | WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m^3' |
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185 | WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m^3' |
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186 | WRITE(numout,*) ' emissivity of snow or ice = ', emic |
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187 | WRITE(numout,*) ' salinity of ice = ', sice , ' psu' |
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188 | WRITE(numout,*) ' salinity of sea = ', soce , ' psu' |
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189 | WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m^3' |
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190 | WRITE(numout,*) ' correction factor for solar radiation = ', srgamma |
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191 | WRITE(numout,*) ' von Karman constant = ', vkarmn |
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192 | WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' |
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193 | |
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194 | WRITE(numout,*) |
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195 | WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad |
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196 | |
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197 | WRITE(numout,*) |
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198 | WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall |
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199 | ENDIF |
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200 | |
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201 | END SUBROUTINE phy_cst |
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202 | |
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203 | !!====================================================================== |
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204 | END MODULE phycst |
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