1 | MODULE impact_of_latent_heat_mod |
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2 | |
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3 | !--------------------------------------------------------------------------------! |
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4 | ! This file is part of PALM. |
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5 | ! |
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6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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8 | ! either version 3 of the License, or (at your option) any later 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 1997-2012 Leibniz University Hannover |
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18 | !--------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: impact_of_latent_heat.f90 1037 2012-10-22 14:10:22Z witha $ |
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27 | ! |
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28 | ! 1036 2012-10-22 13:43:42Z raasch |
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29 | ! code put under GPL (PALM 3.9) |
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30 | ! |
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31 | ! 72 2007-03-19 08:20:46Z |
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32 | ! precipitation_rate renamed dqdt_precip |
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33 | ! |
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34 | ! 19 2007-02-23 04:53:48Z raasch |
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35 | ! Calculation extended for gridpoint nzt |
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36 | ! |
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37 | ! RCS Log replace by Id keyword, revision history cleaned up |
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38 | ! |
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39 | ! Revision 1.5 2004/01/30 10:25:59 raasch |
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40 | ! Scalar lower k index nzb replaced by 2d-array nzb_2d |
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41 | ! |
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42 | ! Revision 1.1 2000/04/13 14:48:40 schroeter |
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43 | ! Initial revision |
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44 | ! |
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45 | ! |
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46 | ! Description: |
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47 | ! ------------ |
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48 | ! Calculate the impact of latent heat due to precipitation |
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49 | ! (simplified Kessler scheme) |
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50 | !------------------------------------------------------------------------------! |
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51 | |
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52 | PRIVATE |
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53 | PUBLIC impact_of_latent_heat |
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54 | |
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55 | INTERFACE impact_of_latent_heat |
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56 | MODULE PROCEDURE impact_of_latent_heat |
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57 | MODULE PROCEDURE impact_of_latent_heat_ij |
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58 | END INTERFACE impact_of_latent_heat |
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59 | |
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60 | CONTAINS |
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61 | |
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62 | |
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63 | !------------------------------------------------------------------------------! |
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64 | ! Call for all grid points |
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65 | !------------------------------------------------------------------------------! |
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66 | SUBROUTINE impact_of_latent_heat |
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67 | |
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68 | USE arrays_3d |
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69 | USE cloud_parameters |
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70 | USE constants |
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71 | USE indices |
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72 | |
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73 | IMPLICIT NONE |
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74 | |
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75 | INTEGER :: i, j, k |
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76 | REAL :: dqdt_precip |
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77 | |
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78 | |
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79 | DO i = nxl, nxr |
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80 | DO j = nys, nyn |
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81 | DO k = nzb_2d(j,i)+1, nzt |
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82 | |
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83 | IF ( ql(k,j,i) > ql_crit ) THEN |
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84 | dqdt_precip = prec_time_const * ( ql(k,j,i) - ql_crit ) |
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85 | ELSE |
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86 | dqdt_precip = 0.0 |
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87 | ENDIF |
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88 | tend(k,j,i) = tend(k,j,i) + dqdt_precip * l_d_cp * pt_d_t(k) |
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89 | |
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90 | ENDDO |
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91 | ENDDO |
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92 | ENDDO |
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93 | |
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94 | END SUBROUTINE impact_of_latent_heat |
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95 | |
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96 | |
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97 | !------------------------------------------------------------------------------! |
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98 | ! Call for grid point i,j |
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99 | !------------------------------------------------------------------------------! |
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100 | SUBROUTINE impact_of_latent_heat_ij( i, j ) |
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101 | |
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102 | USE arrays_3d |
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103 | USE cloud_parameters |
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104 | USE constants |
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105 | USE indices |
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106 | |
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107 | IMPLICIT NONE |
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108 | |
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109 | INTEGER :: i, j, k |
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110 | REAL :: dqdt_precip |
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111 | |
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112 | |
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113 | DO k = nzb_2d(j,i)+1, nzt |
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114 | |
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115 | IF ( ql(k,j,i) > ql_crit ) THEN |
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116 | dqdt_precip = prec_time_const * ( ql(k,j,i) - ql_crit ) |
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117 | ELSE |
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118 | dqdt_precip = 0.0 |
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119 | ENDIF |
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120 | tend(k,j,i) = tend(k,j,i) + dqdt_precip * l_d_cp * pt_d_t(k) |
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121 | |
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122 | ENDDO |
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123 | |
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124 | END SUBROUTINE impact_of_latent_heat_ij |
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125 | |
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126 | END MODULE impact_of_latent_heat_mod |
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