1 | !> @file src/inifor_defs.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 2017-2018 Leibniz Universitaet Hannover |
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18 | ! Copyright 2017-2018 Deutscher Wetterdienst Offenbach |
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19 | !------------------------------------------------------------------------------! |
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20 | ! |
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21 | ! Current revisions: |
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22 | ! ----------------- |
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23 | ! |
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24 | ! |
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25 | ! Former revisions: |
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26 | ! ----------------- |
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27 | ! $Id: inifor_defs.f90 3764 2019-02-26 13:42:09Z suehring $ |
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28 | ! Bumped version number |
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29 | ! |
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30 | ! |
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31 | ! 3716 2019-02-05 17:02:38Z eckhard |
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32 | ! Bumped version number |
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33 | ! |
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34 | ! |
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35 | ! 3618 2018-12-10 13:25:22Z eckhard |
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36 | ! Prefixed module with inifor_ |
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37 | ! |
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38 | ! |
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39 | ! 3613 2018-12-07 18:20:37Z eckhard |
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40 | ! Bumped version number |
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41 | ! |
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42 | ! |
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43 | ! 3557 2018-11-22 16:01:22Z eckhard |
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44 | ! Updated documentation |
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45 | ! |
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46 | ! |
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47 | ! 3537 2018-11-20 10:53:14Z eckhard |
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48 | ! Bumped version number |
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49 | ! |
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50 | ! |
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51 | ! 3534 2018-11-19 15:35:16Z raasch |
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52 | ! NEW_LINE intrinsic replaced by ACHAR to avoid compile time error |
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53 | ! |
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54 | ! 3456 2018-10-30 14:29:54Z eckhard |
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55 | ! Bumped version number |
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56 | ! |
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57 | ! |
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58 | ! 3447 2018-10-29 15:52:54Z eckhard |
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59 | ! Renamed source files for compatibilty with PALM build system |
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60 | ! |
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61 | ! |
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62 | ! 3395 2018-10-22 17:32:49Z eckhard |
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63 | ! New parameters for computation of geostrophic winds |
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64 | ! Bumped INIFOR version number |
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65 | ! |
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66 | ! |
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67 | ! 3183 2018-07-27 14:25:55Z suehring |
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68 | ! Updated defaults for soil extrapolation steps and nudging time-scale |
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69 | ! Improved handling of the start date string |
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70 | ! Added gas constant for water vapor |
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71 | ! Bumped INIFOR version number |
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72 | ! |
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73 | ! |
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74 | ! 3182 2018-07-27 13:36:03Z suehring |
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75 | ! Initial revision |
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76 | ! |
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77 | ! |
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78 | ! |
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79 | ! Authors: |
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80 | ! -------- |
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81 | !> @author Eckhard Kadasch (Deutscher Wetterdienst, Offenbach) |
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82 | ! |
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83 | ! Description: |
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84 | ! ------------ |
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85 | !> The defs module provides global constants used in INIFOR. |
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86 | !------------------------------------------------------------------------------! |
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87 | #if defined ( __netcdf ) |
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88 | MODULE inifor_defs |
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89 | |
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90 | IMPLICIT NONE |
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91 | |
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92 | ! |
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93 | !-- Parameters for type definitions |
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94 | INTEGER, PARAMETER :: dp = 8 !< double precision (8 bytes = 64 bits) |
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95 | INTEGER, PARAMETER :: sp = 4 !< single precision (4 bytes = 32 bits) |
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96 | INTEGER, PARAMETER :: hp = 2 !< half precision (2 bytes = 16 bits) |
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97 | INTEGER, PARAMETER :: PATH = 140 !< length of file path strings |
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98 | INTEGER, PARAMETER :: LNAME = 150 !< length of long name strings |
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99 | INTEGER, PARAMETER :: SNAME = 40 !< length of short name strings |
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100 | INTEGER, PARAMETER :: DATE = 10 !< length of date strings |
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101 | |
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102 | ! |
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103 | !-- Trigonomentry |
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104 | REAL(dp), PARAMETER :: PI = 3.14159265358979323846264338_dp !< Ratio of a circle's circumference to its diamter [-] |
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105 | REAL(dp), PARAMETER :: TO_RADIANS = PI / 180.0_dp !< Conversion factor from degrees to radiant [-] |
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106 | REAL(dp), PARAMETER :: TO_DEGREES = 180.0_dp / PI !< Conversion factor from radians to degrees [-] |
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107 | |
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108 | ! |
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109 | !-- COSMO-DE parameters |
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110 | INTEGER, PARAMETER :: WATER_ID = 9 !< Integer corresponding to the water soil type in COSMO-DE [-] |
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111 | REAL(dp), PARAMETER :: EARTH_RADIUS = 6371229.0_dp !< Earth radius used in COSMO-DE [m] |
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112 | REAL(dp), PARAMETER :: P_SL = 1e5_dp !< Reference pressure for computation of COSMO-DE's basic state pressure [Pa] |
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113 | REAL(dp), PARAMETER :: T_SL = 288.15_dp !< Reference temperature for computation of COSMO-DE's basic state pressure [K] |
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114 | REAL(dp), PARAMETER :: BETA = 42.0_dp !< logarithmic lapse rate, dT / d ln(p), for computation of COSMO-DE's basic |
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115 | !< state pressure [K] |
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116 | REAL(dp), PARAMETER :: RD = 287.05_dp !< specific gas constant of dry air, used in computation of COSMO-DE's basic |
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117 | !< state [J/kg/K] |
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118 | REAL(dp), PARAMETER :: RV = 461.51_dp !< specific gas constant of water vapor [J/kg/K] |
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119 | REAL(dp), PARAMETER :: G = 9.80665_dp !< acceleration of Earth's gravity, used in computation of COSMO-DE's basic |
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120 | !< state [m/s/s] |
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121 | REAL(dp), PARAMETER :: RHO_L = 1e3_dp !< density of liquid water, used to convert W_SO from [kg/m^2] to [m^3/m^3], |
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122 | !< in [kg/m^3] |
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123 | REAL(dp), PARAMETER :: HECTO = 100_dp !< unit conversion factor from hPa to Pa |
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124 | |
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125 | ! |
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126 | !-- PALM-4U parameters |
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127 | REAL(dp), PARAMETER :: OMEGA = 7.29e-5_dp !< angular velocity of Earth's rotation [s^-1] |
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128 | REAL(dp), PARAMETER :: P_REF = 1e5_dp !< Reference pressure for potential temperature [Pa] |
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129 | REAL(dp), PARAMETER :: RD_PALM = 287.0_dp !< specific gas constant of dry air, used in computation of PALM-4U's potential temperature [J/kg/K] |
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130 | REAL(dp), PARAMETER :: CP_PALM = 1005.0_dp !< heat capacity of dry air at constant pressure, used in computation of PALM-4U's potential temperature [J/kg/K] |
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131 | |
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132 | ! |
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133 | !-- INIFOR parameters |
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134 | INTEGER, PARAMETER :: FILL_ITERATIONS = 5 !< Number of iterations for extrapolating soil data into COSMO-DE |
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135 | !< water cells [-] |
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136 | INTEGER, PARAMETER :: FORCING_STEP = 1 !< Number of hours between forcing time steps [h] |
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137 | REAL(dp), PARAMETER :: NUDGING_TAU = 21600.0_dp !< Nudging relaxation time scale [s] |
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138 | CHARACTER(LEN=*), PARAMETER :: VERSION = '1.4.6' !< INIFOR version number |
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139 | CHARACTER(LEN=*), PARAMETER :: COPYRIGHT = 'Copyright 2017-2018 Leibniz Universitaet Hannover' // & |
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140 | ACHAR( 10 ) // ' Copyright 2017-2018 Deutscher Wetterdienst Offenbach' !< Copyright notice |
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141 | |
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142 | END MODULE inifor_defs |
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143 | #endif |
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