[211] | 1 | SUBROUTINE user_init_plant_canopy |
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| 2 | |
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[1036] | 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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[258] | 20 | ! Current revisions: |
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[211] | 21 | ! ----------------- |
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| 22 | ! |
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| 23 | ! Former revisions: |
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| 24 | ! ----------------- |
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| 25 | ! $Id: user_init_plant_canopy.f90 1036 2012-10-22 13:43:42Z raasch $ |
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| 26 | ! |
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[668] | 27 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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| 28 | ! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng |
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| 29 | ! |
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[392] | 30 | ! 274 2009-03-26 15:11:21Z heinze |
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| 31 | ! Output of messages replaced by message handling routine. |
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| 32 | ! |
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[226] | 33 | ! 211 2008-11-11 04:46:24Z raasch |
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| 34 | ! Former file user_interface.f90 split into one file per subroutine |
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| 35 | ! |
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[211] | 36 | ! Description: |
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| 37 | ! ------------ |
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| 38 | ! Initialisation of the leaf area density array (for scalar grid points) and |
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| 39 | ! the array of the canopy drag coefficient, if the user has not chosen any |
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| 40 | ! of the default cases |
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| 41 | !------------------------------------------------------------------------------! |
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| 42 | |
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| 43 | USE arrays_3d |
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| 44 | USE control_parameters |
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| 45 | USE indices |
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| 46 | USE user |
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| 47 | |
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| 48 | IMPLICIT NONE |
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| 49 | |
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| 50 | INTEGER :: i, j |
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| 51 | |
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| 52 | ! |
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| 53 | !-- Here the user-defined grid initializing actions follow: |
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| 54 | |
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| 55 | ! |
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| 56 | !-- Set the 3D-arrays lad_s and cdc for user defined canopies |
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| 57 | SELECT CASE ( TRIM( canopy_mode ) ) |
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| 58 | |
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| 59 | CASE ( 'block' ) |
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| 60 | ! |
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| 61 | !-- Not allowed here since this is the standard case used in init_3d_model. |
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| 62 | |
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| 63 | CASE ( 'user_defined_canopy_1' ) |
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| 64 | ! |
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| 65 | !-- Here the user can define his own topography. |
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| 66 | !-- The following lines contain an example in that the |
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| 67 | !-- plant canopy extends only over the second half of the |
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| 68 | !-- model domain along x |
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[667] | 69 | ! DO i = nxlg, nxrg |
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[211] | 70 | ! IF ( i >= INT(nx+1/2) ) THEN |
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[667] | 71 | ! DO j = nysg, nyng |
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[211] | 72 | ! lad_s(:,j,i) = lad(:) |
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| 73 | ! cdc(:,j,i) = drag_coefficient |
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| 74 | ! ENDDO |
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| 75 | ! ELSE |
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| 76 | ! lad_s(:,:,i) = 0.0 |
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| 77 | ! cdc(:,:,i) = 0.0 |
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| 78 | ! ENDIF |
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| 79 | ! ENDDO |
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| 80 | !-- After definition, please |
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| 81 | !-- remove the following three lines! |
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[274] | 82 | message_string = 'canopy_mode "' // canopy_mode // & |
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| 83 | '" not available yet' |
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[258] | 84 | CALL message( 'user_init_plant_canopy', 'UI0007', 0, 1, 0, 6, 0 ) |
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| 85 | |
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[211] | 86 | CASE DEFAULT |
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| 87 | ! |
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| 88 | !-- The DEFAULT case is reached if the parameter canopy_mode contains a |
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[274] | 89 | !-- wrong character string that is neither recognized in init_3d_model nor |
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[211] | 90 | !-- here in user_init_plant_canopy. |
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[258] | 91 | message_string = 'unknown canopy_mode "' // canopy_mode // '"' |
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| 92 | CALL message( 'user_init_plant_canopy', 'UI0008', 1, 2, 0, 6, 0 ) |
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[211] | 93 | |
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| 94 | END SELECT |
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| 95 | |
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| 96 | |
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| 97 | END SUBROUTINE user_init_plant_canopy |
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| 98 | |
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