1 | ! (c) British Crown Copyright 2008, the Met Office. |
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2 | ! All rights reserved. |
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3 | ! |
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4 | ! Redistribution and use in source and binary forms, with or without modification, are permitted |
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5 | ! provided that the following conditions are met: |
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6 | ! |
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7 | ! * Redistributions of source code must retain the above copyright notice, this list |
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8 | ! of conditions and the following disclaimer. |
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9 | ! * Redistributions in binary form must reproduce the above copyright notice, this list |
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10 | ! of conditions and the following disclaimer in the documentation and/or other materials |
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11 | ! provided with the distribution. |
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12 | ! * Neither the name of the Met Office nor the names of its contributors may be used |
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13 | ! to endorse or promote products derived from this software without specific prior written |
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14 | ! permission. |
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15 | ! |
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16 | ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR |
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17 | ! IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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18 | ! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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19 | ! CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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20 | ! DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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21 | ! DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
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22 | ! IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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23 | ! OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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24 | |
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25 | ! |
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26 | ! History: |
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27 | ! Jul 2007 - A. Bodas-Salcedo - Initial version |
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28 | ! Jul 2008 - A. Bodas-Salcedo - Added definitions of ISCCP axes |
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29 | ! Oct 2008 - H. Chepfer - Added PARASOL_NREFL |
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30 | ! Jun 2010 - R. Marchand - Modified to support quickbeam V3, added ifdef for hydrometeor definitions |
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31 | ! |
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32 | ! |
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33 | ! |
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34 | |
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35 | #include "cosp_defs.h" |
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36 | MODULE MOD_COSP_CONSTANTS |
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37 | |
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38 | use netcdf, only: nf90_fill_real |
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39 | IMPLICIT NONE |
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40 | |
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41 | character(len=32) :: COSP_VERSION='COSP v1.4' |
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42 | |
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43 | ! Indices to address arrays of LS and CONV hydrometeors |
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44 | integer,parameter :: I_LSCLIQ = 1 |
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45 | integer,parameter :: I_LSCICE = 2 |
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46 | integer,parameter :: I_LSRAIN = 3 |
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47 | integer,parameter :: I_LSSNOW = 4 |
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48 | integer,parameter :: I_CVCLIQ = 5 |
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49 | integer,parameter :: I_CVCICE = 6 |
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50 | integer,parameter :: I_CVRAIN = 7 |
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51 | integer,parameter :: I_CVSNOW = 8 |
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52 | integer,parameter :: I_LSGRPL = 9 |
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53 | |
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54 | ! Missing value |
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55 | real,parameter :: R_UNDEF = -1.0E30 |
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56 | ! real,parameter :: R_UNDEF = nf90_fill_real |
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57 | |
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58 | ! Number of possible output variables |
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59 | integer,parameter :: N_OUT_LIST = 63 |
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60 | integer,parameter :: N3D = 8 |
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61 | integer,parameter :: N2D = 14 |
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62 | integer,parameter :: N1D = 40 |
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63 | |
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64 | ! Value for forward model result from a level that is under the ground |
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65 | real,parameter :: R_GROUND = -1.0E20 |
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66 | |
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67 | ! Stratiform and convective clouds in frac_out |
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68 | integer, parameter :: I_LSC = 1, & ! Large-scale clouds |
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69 | I_CVC = 2 ! Convective clouds |
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70 | |
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71 | ! Timing of different simulators, including statistics module |
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72 | integer, parameter :: N_SIMULATORS = 7 |
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73 | integer,parameter :: I_RADAR = 1 |
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74 | integer,parameter :: I_LIDAR = 2 |
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75 | integer,parameter :: I_ISCCP = 3 |
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76 | integer,parameter :: I_MISR = 4 |
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77 | integer,parameter :: I_MODIS = 5 |
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78 | integer,parameter :: I_RTTOV = 6 |
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79 | integer,parameter :: I_STATS = 7 |
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80 | character*32, dimension(N_SIMULATORS) :: SIM_NAME = (/'Radar','Lidar','ISCCP','MISR ','MODIS','RTTOV','Stats'/) |
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81 | integer,dimension(N_SIMULATORS) :: tsim |
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82 | data tsim/N_SIMULATORS*0.0/ |
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83 | |
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84 | !--- Radar constants |
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85 | ! CFAD constants |
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86 | integer,parameter :: DBZE_BINS = 15 ! Number of dBZe bins in histogram (cfad) |
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87 | real,parameter :: DBZE_MIN = -100.0 ! Minimum value for radar reflectivity |
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88 | real,parameter :: DBZE_MAX = 80.0 ! Maximum value for radar reflectivity |
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89 | real,parameter :: CFAD_ZE_MIN = -50.0 ! Lower value of the first CFAD Ze bin |
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90 | real,parameter :: CFAD_ZE_WIDTH = 5.0 ! Bin width (dBZe) |
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91 | |
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92 | |
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93 | !--- Lidar constants |
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94 | ! CFAD constants |
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95 | integer,parameter :: SR_BINS = 15 |
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96 | integer,parameter :: DPOL_BINS = 6 |
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97 | real,parameter :: LIDAR_UNDEF = 999.999 |
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98 | |
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99 | ! Other constants |
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100 | integer,parameter :: LIDAR_NCAT = 4 |
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101 | integer,parameter :: PARASOL_NREFL = 5 ! parasol |
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102 | real,parameter,dimension(PARASOL_NREFL) :: PARASOL_SZA = (/0.0, 20.0, 40.0, 60.0, 80.0/) |
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103 | real,parameter :: DEFAULT_LIDAR_REFF = 30.0e-6 ! Default lidar effective radius |
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104 | |
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105 | integer,parameter :: LIDAR_NTEMP = 40 |
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106 | real,parameter,dimension(LIDAR_NTEMP) :: LIDAR_PHASE_TEMP=(/-91.5,-88.5,-85.5,-82.5,-79.5,-76.5,-73.5,-70.5,-67.5,-64.5, & |
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107 | -61.5,-58.5,-55.5,-52.5,-49.5,-46.5,-43.5,-40.5,-37.5,-34.5, & |
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108 | -31.5,-28.5,-25.5,-22.5,-19.5,-16.5,-13.5,-10.5, -7.5, -4.5, & |
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109 | -1.5, 1.5, 4.5, 7.5, 10.5, 13.5, 16.5, 19.5, 22.5, 25.5/) |
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110 | real,parameter,dimension(2,LIDAR_NTEMP) :: LIDAR_PHASE_TEMP_BNDS=reshape(source=(/-273.15,-90.,-90.,-87.,-87.,-84.,-84.,-81.,-81.,-78., & |
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111 | -78.,-75.,-75.,-72.,-72.,-69.,-69.,-66.,-66.,-63., & |
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112 | -63.,-60.,-60.,-57.,-57.,-54.,-54.,-51.,-51.,-48., & |
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113 | -48.,-45.,-45.,-42.,-42.,-39.,-39.,-36.,-36.,-33., & |
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114 | -33.,-30.,-30.,-27.,-27.,-24.,-24.,-21.,-21.,-18., & |
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115 | -18.,-15.,-15.,-12.,-12., -9., -9., -6., -6., -3., & |
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116 | -3., 0., 0., 3., 3., 6., 6., 9., 9., 12., & |
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117 | 12., 15., 15., 18., 18., 21., 21., 24., 24.,100./),shape=(/2,40/)) |
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118 | |
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119 | !--- MISR constants |
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120 | integer,parameter :: MISR_N_CTH = 16 |
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121 | |
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122 | !--- RTTOV constants |
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123 | integer,parameter :: RTTOV_MAX_CHANNELS = 20 |
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124 | |
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125 | ! ISCCP tau-Pc axes |
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126 | real,parameter,dimension(7) :: ISCCP_TAU = (/0.15, 0.80, 2.45, 6.5, 16.2, 41.5, 100.0/) |
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127 | real,parameter,dimension(2,7) :: ISCCP_TAU_BNDS = reshape(source=(/0.0,0.3,0.3,1.30,1.30,3.6,3.6,9.4, & |
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128 | 9.4,23.0,23.0,60.0,60.0,100000.0/), shape=(/2,7/)) |
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129 | |
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130 | real,parameter,dimension(7) :: ISCCP_PC = (/90000., 74000., 62000., 50000., 37500., 24500., 9000./) |
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131 | real,parameter,dimension(2,7) :: ISCCP_PC_BNDS = reshape(source=(/100000.0,80000.0,80000.0,68000.0,68000.0,56000.0 & |
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132 | ,56000.0,44000.0,44000.0,31000.0,31000.0,18000.0,18000.0,0.0/), shape=(/2,7/)) |
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133 | |
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134 | real,parameter,dimension(MISR_N_CTH) :: MISR_CTH = 1000.0*(/ 0., 0.25, 0.75, 1.25, 1.75, 2.25, 2.75, 3.5, & |
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135 | 4.5, 6., 8., 10., 12., 14.5, 16., 18./) |
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136 | real,parameter,dimension(2,MISR_N_CTH) :: MISR_CTH_BNDS = 1000.0*reshape(source=(/ & |
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137 | -99.0, 0.0, 0.0, 0.5, 0.5, 1.0, 1.0, 1.5, & |
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138 | 1.5, 2.0, 2.0, 2.5, 2.5, 3.0, 3.0, 4.0, & |
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139 | 4.0, 5.0, 5.0, 7.0, 7.0, 9.0, 9.0, 11.0, & |
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140 | 11.0, 13.0, 13.0, 15.0, 15.0, 17.0, 17.0, 99.0/), & |
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141 | shape=(/2,MISR_N_CTH/)) |
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142 | |
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143 | |
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144 | ! |
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145 | ! The following code was modifed by Roj with implementation of quickbeam V3 |
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146 | ! (1) use ifdef to support more than one microphyscis scheme |
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147 | ! (2) added constants microphysic_scheme_name, LOAD_scale_LUTs, and SAVE_scale_LUTs |
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148 | ! |
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149 | |
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150 | ! directory where LUTs will be stored |
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151 | character*120 :: RADAR_SIM_LUT_DIRECTORY = './' |
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152 | |
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153 | #ifdef MMF_V3_SINGLE_MOMENT |
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154 | |
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155 | ! |
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156 | ! Table hclass for quickbeam to support one-moment (bulk) microphysics scheme used by MMF V3.0 & V3.5 |
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157 | ! |
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158 | |
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159 | ! |
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160 | ! NOTE: if ANY value in this section of code is changed, the existing LUT |
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161 | ! (i.e., the associated *.dat file) MUST be deleted so that a NEW |
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162 | ! LUT will be created !!! |
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163 | ! |
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164 | character*120 :: RADAR_SIM_MICROPHYSICS_SCHEME_NAME = 'MMF_v3_single_moment' |
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165 | |
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166 | logical :: RADAR_SIM_LOAD_scale_LUTs_flag = .false. |
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167 | logical :: RADAR_SIM_UPDATE_scale_LUTs_flag = .false. |
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168 | integer,parameter :: N_HYDRO = 9 |
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169 | |
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170 | integer :: HCLASS_TYPE(N_HYDRO),HCLASS_PHASE(N_HYDRO) |
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171 | |
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172 | real :: HCLASS_DMIN(N_HYDRO),HCLASS_DMAX(N_HYDRO), & |
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173 | HCLASS_APM(N_HYDRO),HCLASS_BPM(N_HYDRO),HCLASS_RHO(N_HYDRO), & |
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174 | HCLASS_P1(N_HYDRO),HCLASS_P2(N_HYDRO),HCLASS_P3(N_HYDRO) |
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175 | |
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176 | ! HCLASS_CP is not used in the version of Quickbeam included in COSP |
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177 | ! LSL LSI LSR LSS CVL CVI CVR CVS LSG |
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178 | data HCLASS_TYPE/ 5, 1, 2, 2, 5, 1, 2, 2, 2/ |
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179 | data HCLASS_PHASE/ 0, 1, 0, 1, 0, 1, 0, 1, 1/ |
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180 | data HCLASS_DMIN/ -1, -1, -1, -1, -1, -1, -1, -1, -1/ |
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181 | data HCLASS_DMAX/ -1, -1, -1, -1, -1, -1, -1, -1, -1/ |
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182 | data HCLASS_APM/ 524, 110.8, 524, -1, 524, 110.8, 524, -1, -1/ |
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183 | data HCLASS_BPM/ 3, 2.91, 3, -1, 3, 2.91, 3, -1, -1/ |
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184 | data HCLASS_RHO/ -1, -1, -1, 100, -1, -1, -1, 100, 400/ |
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185 | data HCLASS_P1/ -1, -1, 8.e6, 3.e6, -1, -1, 8.e6, 3.e6, 4.e6/ |
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186 | data HCLASS_P2/ 6, 40, -1, -1, 6, 40, -1, -1, -1/ |
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187 | data HCLASS_P3/ 0.3, 2, -1, -1, 0.3, 2, -1, -1, -1/ |
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188 | |
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189 | ! NOTES on HCLASS variables |
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190 | ! |
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191 | ! TYPE - Set to |
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192 | ! 1 for modified gamma distribution, |
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193 | ! 2 for exponential distribution, |
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194 | ! 3 for power law distribution, |
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195 | ! 4 for monodisperse distribution, |
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196 | ! 5 for lognormal distribution. |
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197 | |
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198 | ! PHASE - Set to 0 for liquid, 1 for ice. |
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199 | |
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200 | ! DMIN - The minimum drop size for this class (micron), ignored for monodisperse. |
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201 | ! DMAX - The maximum drop size for this class (micron), ignored for monodisperse. |
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202 | ! Important note: The settings for DMIN and DMAX are |
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203 | ! ignored in the current version for all distributions except for power |
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204 | ! law. Except when the power law distribution is used, particle size |
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205 | ! is fixed to vary from zero to infinity, a restriction that is expected |
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206 | ! to be lifted in future versions. A placeholder must still be specified |
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207 | ! for each. |
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208 | |
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209 | ! Density of particles is given by apm*D^bpm or a fixed value rho. ONLY specify ONE of these two!! |
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210 | ! APM - The alpha_m coefficient in equation (1) (kg m**-beta_m ) |
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211 | ! BPM - The beta_m coefficient in equation (1), see section 4.1. |
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212 | |
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213 | ! RHO - Hydrometeor density (kg m-3 ). |
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214 | |
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215 | ! P1, P2, P3 - are default distribution parameters that depend on the type |
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216 | ! of distribution (see quickmbeam documentation for more information) |
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217 | ! |
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218 | ! Modified Gamma (must set P3 and one of P1 or P2) |
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219 | ! P1 - Set to the total particle number concentration Nt /rho_a (kg-1 ), where |
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220 | ! rho_a is the density of air in the radar volume. |
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221 | ! P2 - Set to the particle mean diameter D (micron). |
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222 | ! P3 - Set to the distribution width nu. |
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223 | ! |
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224 | ! Exponetial (set one of) |
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225 | ! P1 - Set to a constant intercept parameter N0 (m-4). |
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226 | ! P2 - Set to a constant lambda (micron-1). |
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227 | ! |
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228 | ! Power Law |
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229 | ! P1 - Set this to the value of a constant power law parameter br |
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230 | ! |
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231 | ! Monodisperse |
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232 | ! P1 - Set to a constant diameter D0 (micron) = Re. |
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233 | ! |
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234 | ! Log-normal (must set P3 and one of P1 or P2) |
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235 | ! P1 - Set to the total particle number concentration Nt /rho_a (kg-1 ) |
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236 | ! P2 - Set to the geometric mean particle radius rg (micron). |
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237 | ! P3 - Set to the natural logarithm of the geometric standard deviation. |
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238 | ! |
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239 | |
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240 | |
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241 | real,dimension(N_HYDRO) :: N_ax,N_bx,alpha_x,c_x,d_x,g_x,a_x,b_x,gamma_1,gamma_2,gamma_3,gamma_4 |
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242 | |
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243 | ! Microphysical settings for the precipitation flux to mixing ratio conversion |
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244 | ! LSL LSI LSR LSS CVL CVI CVR CVS LSG |
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245 | data N_ax/ -1., -1., 8.e6, 3.e6, -1., -1., 8.e6, 3.e6, 4.e6/ |
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246 | data N_bx/ -1., -1., 0.0, 0.0, -1., -1., 0.0, 0.0, 0.0/ |
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247 | data alpha_x/ -1., -1., 0.0, 0.0, -1., -1., 0.0, 0.0, 0.0/ |
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248 | data c_x/ -1., -1., 842.0, 4.84, -1., -1., 842.0, 4.84, 94.5/ |
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249 | data d_x/ -1., -1., 0.8, 0.25, -1., -1., 0.8, 0.25, 0.5/ |
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250 | data g_x/ -1., -1., 0.5, 0.5, -1., -1., 0.5, 0.5, 0.5/ |
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251 | data a_x/ -1., -1., 524.0, 52.36, -1., -1., 524.0, 52.36, 209.44/ |
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252 | data b_x/ -1., -1., 3.0, 3.0, -1., -1., 3.0, 3.0, 3.0/ |
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253 | data gamma_1/ -1., -1., 17.83725, 8.284701, -1., -1., 17.83725, 8.284701, 11.63230/ |
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254 | data gamma_2/ -1., -1., 6.0, 6.0, -1., -1., 6.0, 6.0, 6.0/ |
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255 | data gamma_3/ -1., -1., 2.0, 2.0, -1., -1., 2.0, 2.0, 2.0/ |
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256 | data gamma_4/ -1., -1., 6.0, 6.0, -1., -1., 6.0, 6.0, 6.0/ |
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257 | |
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258 | |
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259 | |
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260 | #endif |
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261 | |
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262 | |
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263 | #ifdef MMF_V3p5_TWO_MOMENT |
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264 | |
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265 | ! |
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266 | ! Table hclass for quickbeam to support two-moment "morrison" microphysics scheme used by V3.5 (SAM 6.8) |
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267 | ! |
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268 | ! This Number concentriation Np in [1/kg] MUST be input to COSP/radar simulator |
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269 | ! |
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270 | ! NOTE: Be sure to check that the ice-density (rho) set it this tables matches what you used |
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271 | ! |
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272 | |
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273 | ! |
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274 | ! NOTE: if ANY value in this section of code is changed, the existing LUT |
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275 | ! (i.e., the associated *.dat file) MUST be deleted so that a NEW |
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276 | ! LUT will be created !!! |
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277 | ! |
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278 | character*120 :: RADAR_SIM_MICROPHYSICS_SCHEME_NAME = 'MMF_v3.5_two_moment' |
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279 | |
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280 | logical :: RADAR_SIM_LOAD_scale_LUTs_flag = .false. |
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281 | logical :: RADAR_SIM_UPDATE_scale_LUTs_flag = .false. |
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282 | |
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283 | integer,parameter :: N_HYDRO = 9 |
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284 | |
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285 | integer :: HCLASS_TYPE(N_HYDRO),HCLASS_PHASE(N_HYDRO) |
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286 | |
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287 | real :: HCLASS_DMIN(N_HYDRO),HCLASS_DMAX(N_HYDRO), & |
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288 | HCLASS_APM(N_HYDRO),HCLASS_BPM(N_HYDRO),HCLASS_RHO(N_HYDRO), & |
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289 | HCLASS_P1(N_HYDRO),HCLASS_P2(N_HYDRO),HCLASS_P3(N_HYDRO) |
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290 | |
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291 | ! HCLASS_CP is not used in the version of Quickbeam included in COSP |
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292 | ! LSL LSI LSR LSS CVL CVI CVR CVS LSG |
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293 | data HCLASS_TYPE/ 1, 1, 1, 1, 1, 1, 1, 1, 1/ |
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294 | data HCLASS_PHASE/ 0, 1, 0, 1, 0, 1, 0, 1, 1/ |
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295 | data HCLASS_DMIN/ -1, -1, -1, -1, -1, -1, -1, -1, -1/ |
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296 | data HCLASS_DMAX/ -1, -1, -1, -1, -1, -1, -1, -1, -1/ |
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297 | data HCLASS_APM/ 524, -1, 524, -1, 524, -1, 524, -1, -1/ |
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298 | data HCLASS_BPM/ 3, -1, 3, -1, 3, -1, 3, -1, -1/ |
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299 | data HCLASS_RHO/ -1, 500, -1, 100, -1, 500, -1, 100, 900/ |
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300 | data HCLASS_P1/ -1, -1, -1, -1, -1, -1, -1, -1, -1/ |
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301 | data HCLASS_P2/ -1, -1, -1, -1, -1, -1, -1, -1, -1/ |
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302 | data HCLASS_P3/ -2, 1, 1, 1, -2, 1, 1, 1, 1/ |
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303 | ! Note: value of "-2" for HCLASS_P3 uses martin 1994 parameteriztion of gamma function width with Number concentration |
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304 | #endif |
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305 | |
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306 | END MODULE MOD_COSP_CONSTANTS |
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