1 | !> @file user_init_plant_canopy.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 terms of the GNU General |
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6 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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7 | ! (at your option) any later version. |
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8 | ! |
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9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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10 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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11 | ! Public License for more details. |
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12 | ! |
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13 | ! You should have received a copy of the GNU General Public License along with PALM. If not, see |
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14 | ! <http://www.gnu.org/licenses/>. |
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15 | ! |
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16 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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17 | !--------------------------------------------------------------------------------------------------! |
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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: user_init_plant_canopy.f90 4497 2020-04-15 10:20:51Z suehring $ |
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27 | ! file re-formatted to follow the PALM coding standard |
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28 | ! |
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29 | ! Current revisions: |
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30 | ! ----------------- |
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31 | ! |
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32 | ! |
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33 | ! 4360 2020-01-07 11:25:50Z suehring |
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34 | ! Renamed canopy_mode 'block' to 'homogeneous' |
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35 | ! |
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36 | ! 4182 2019-08-22 15:20:23Z scharf |
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37 | ! Corrected "Former revisions" section |
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38 | ! |
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39 | ! 3768 2019-02-27 14:35:58Z raasch |
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40 | ! unused variables commented out to avoid compiler warnings |
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41 | ! |
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42 | ! 3655 2019-01-07 16:51:22Z knoop |
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43 | ! Corrected "Former revisions" section |
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44 | ! |
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45 | ! 211 2008-11-11 04:46:24Z raasch |
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46 | ! Former file user_interface.f90 split into one file per subroutine |
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47 | ! |
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48 | ! Description: |
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49 | ! ------------ |
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50 | !> Initialisation of the leaf area density array (for scalar grid points) and the array of the |
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51 | !> canopy drag coefficient, if the user has not chosen any of the default cases |
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52 | !--------------------------------------------------------------------------------------------------! |
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53 | SUBROUTINE user_init_plant_canopy |
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54 | |
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55 | |
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56 | USE arrays_3d |
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57 | |
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58 | USE control_parameters |
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59 | |
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60 | USE indices |
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61 | |
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62 | USE kinds |
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63 | |
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64 | USE plant_canopy_model_mod |
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65 | |
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66 | USE user |
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67 | |
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68 | IMPLICIT NONE |
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69 | |
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70 | ! INTEGER(iwp) :: i !< running index |
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71 | ! INTEGER(iwp) :: j !< running index |
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72 | |
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73 | ! |
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74 | !-- Here the user-defined grid initializing actions follow: |
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75 | |
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76 | ! |
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77 | !-- Set the 3D-array lad_s for user defined canopies |
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78 | SELECT CASE ( TRIM( canopy_mode ) ) |
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79 | |
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80 | CASE ( 'homogeneous' ) |
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81 | ! |
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82 | !-- Not allowed here since this is the standard case used in init_3d_model. |
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83 | |
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84 | CASE ( 'user_defined_canopy_1' ) |
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85 | ! |
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86 | !-- Here the user can define his own forest topography. |
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87 | !-- The following lines contain an example, where the plant canopy extends only over the |
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88 | !-- second half of the model domain along x. Attention: DO-loops have to include the ghost |
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89 | !-- points (nxlg-nxrg, nysg-nyng), because no exchange of ghost point information is intended, |
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90 | !-- in order to minimize communication between CPUs. |
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91 | ! DO i = nxlg, nxrg |
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92 | ! IF ( i >= INT( ( nx+1 ) / 2 ) ) THEN |
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93 | ! DO j = nysg, nyng |
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94 | ! lad_s(:,j,i) = lad(:) |
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95 | ! ENDDO |
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96 | ! ELSE |
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97 | ! lad_s(:,:,i) = 0.0_wp |
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98 | ! ENDIF |
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99 | ! ENDDO |
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100 | ! |
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101 | !-- After definition, please remove the following three lines! |
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102 | message_string = 'canopy_mode "' // canopy_mode // '" not available yet' |
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103 | CALL message( 'user_init_plant_canopy', 'UI0007', 0, 1, 0, 6, 0 ) |
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104 | |
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105 | CASE DEFAULT |
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106 | ! |
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107 | !-- The DEFAULT case is reached if the parameter canopy_mode contains a wrong character string |
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108 | !-- that is neither recognized in init_3d_model nor here in user_init_plant_canopy. |
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109 | message_string = 'unknown canopy_mode "' // canopy_mode // '"' |
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110 | CALL message( 'user_init_plant_canopy', 'UI0008', 1, 2, 0, 6, 0 ) |
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111 | |
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112 | END SELECT |
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113 | |
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114 | |
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115 | END SUBROUTINE user_init_plant_canopy |
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116 | |
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