source: palm/trunk/UTIL/inifor/src/inifor_defs.f90 @ 3613

Last change on this file since 3613 was 3613, checked in by eckhard, 3 years ago

inifor: Average initial profiles over the PALM, not the geostrophic, region

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1!> @file src/inifor_defs.f90
2!------------------------------------------------------------------------------!
3! This file is part of the PALM model system.
4!
5! PALM is free software: you can redistribute it and/or modify it under the
6! terms of the GNU General Public License as published by the Free Software
7! Foundation, either version 3 of the License, or (at your option) any later
8! version.
9!
10! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12! A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
13!
14! You should have received a copy of the GNU General Public License along with
15! PALM. If not, see <http://www.gnu.org/licenses/>.
16!
17! Copyright 2017-2018 Leibniz Universitaet Hannover
18! Copyright 2017-2018 Deutscher Wetterdienst Offenbach
19!------------------------------------------------------------------------------!
20!
21! Current revisions:
22! -----------------
23!
24!
25! Former revisions:
26! -----------------
27! $Id: inifor_defs.f90 3613 2018-12-07 18:20:37Z eckhard $
28! Bumped version number
29!
30!
31! 3557 2018-11-22 16:01:22Z eckhard
32! Updated documentation
33!
34!
35! 3537 2018-11-20 10:53:14Z eckhard
36! Bumped version number
37!
38!
39! 3534 2018-11-19 15:35:16Z raasch
40! NEW_LINE intrinsic replaced by ACHAR to avoid compile time error
41!
42! 3456 2018-10-30 14:29:54Z eckhard
43! Bumped version number
44!
45!
46! 3447 2018-10-29 15:52:54Z eckhard
47! Renamed source files for compatibilty with PALM build system
48!
49!
50! 3395 2018-10-22 17:32:49Z eckhard
51! New parameters for computation of geostrophic winds
52! Bumped INIFOR version number
53!
54!
55! 3183 2018-07-27 14:25:55Z suehring
56! Updated defaults for soil extrapolation steps and nudging time-scale
57! Improved handling of the start date string
58! Added gas constant for water vapor
59! Bumped INIFOR version number
60!
61!
62! 3182 2018-07-27 13:36:03Z suehring
63! Initial revision
64!
65!
66!
67! Authors:
68! --------
69!> @author Eckhard Kadasch (Deutscher Wetterdienst, Offenbach)
70!
71! Description:
72! ------------
73!> The defs module provides global constants used in INIFOR.
74!------------------------------------------------------------------------------!
75 MODULE defs
76 
77 IMPLICIT NONE
78
79!
80!-- Parameters for type definitions
81 INTEGER, PARAMETER  ::  dp    = 8   !< double precision (8 bytes = 64 bits)
82 INTEGER, PARAMETER  ::  sp    = 4   !< single precision (4 bytes = 32 bits)
83 INTEGER, PARAMETER  ::  hp    = 2   !< half precision (2 bytes = 16 bits)
84 INTEGER, PARAMETER  ::  PATH  = 140 !< length of file path strings
85 INTEGER, PARAMETER  ::  LNAME = 150 !< length of long name strings
86 INTEGER, PARAMETER  ::  SNAME = 40  !< length of short name strings
87 INTEGER, PARAMETER  ::  DATE  = 10  !< length of date strings
88
89!
90!-- Trigonomentry
91 REAL(dp), PARAMETER ::  PI = 3.14159265358979323846264338_dp !< Ratio of a circle's circumference to its diamter [-]
92 REAL(dp), PARAMETER ::  TO_RADIANS = PI / 180.0_dp           !< Conversion factor from degrees to radiant [-]
93 REAL(dp), PARAMETER ::  TO_DEGREES = 180.0_dp / PI           !< Conversion factor from radians to degrees [-]
94
95!
96!-- COSMO-DE parameters
97 INTEGER, PARAMETER  ::  WATER_ID = 9                !< Integer corresponding to the water soil type in COSMO-DE [-]
98 REAL(dp), PARAMETER ::  EARTH_RADIUS = 6371229.0_dp !< Earth radius used in COSMO-DE [m]
99 REAL(dp), PARAMETER ::  P_SL = 1e5_dp               !< Reference pressure for computation of COSMO-DE's basic state pressure [Pa]
100 REAL(dp), PARAMETER ::  T_SL = 288.15_dp            !< Reference temperature for computation of COSMO-DE's basic state pressure [K]
101 REAL(dp), PARAMETER ::  BETA = 42.0_dp              !< logarithmic lapse rate, dT / d ln(p), for computation of COSMO-DE's basic
102                                                     !< state pressure [K]
103 REAL(dp), PARAMETER ::  RD   = 287.05_dp            !< specific gas constant of dry air, used in computation of COSMO-DE's basic
104                                                     !< state [J/kg/K]
105 REAL(dp), PARAMETER ::  RV   = 461.51_dp            !< specific gas constant of water vapor [J/kg/K]
106 REAL(dp), PARAMETER ::  G    = 9.80665_dp           !< acceleration of Earth's gravity, used in computation of COSMO-DE's basic
107                                                     !< state [m/s/s]
108 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],
109                                                     !< in [kg/m^3]
110 REAL(dp), PARAMETER ::  HECTO = 100_dp              !< unit conversion factor from hPa to Pa
111
112!
113!-- PALM-4U parameters
114 REAL(dp), PARAMETER ::  OMEGA   = 7.29e-5_dp !< angular velocity of Earth's rotation [s^-1]
115 REAL(dp), PARAMETER ::  P_REF   = 1e5_dp     !< Reference pressure for potential temperature [Pa]
116 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]
117 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]
118
119!
120!-- INIFOR parameters
121 INTEGER, PARAMETER          ::  FILL_ITERATIONS = 5          !< Number of iterations for extrapolating soil data into COSMO-DE
122                                                              !< water cells [-]
123 INTEGER, PARAMETER          ::  FORCING_STEP = 1             !< Number of hours between forcing time steps [h]
124 REAL(dp), PARAMETER         ::  NUDGING_TAU = 21600.0_dp     !< Nudging relaxation time scale [s]
125 CHARACTER(LEN=*), PARAMETER ::  VERSION = '1.4.3'            !< INIFOR version number
126 CHARACTER(LEN=*), PARAMETER ::  COPYRIGHT = 'Copyright 2017-2018 Leibniz Universitaet Hannover' // &
127     ACHAR( 10 ) // ' Copyright 2017-2018 Deutscher Wetterdienst Offenbach' !< Copyright notice
128
129 END MODULE defs
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