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 3456 2018-10-30 14:29:54Z raasch $ |
---|
28 | ! Bumped version number |
---|
29 | ! |
---|
30 | ! |
---|
31 | ! 3447 2018-10-29 15:52:54Z eckhard |
---|
32 | ! Renamed source files for compatibilty with PALM build system |
---|
33 | ! |
---|
34 | ! |
---|
35 | ! 3395 2018-10-22 17:32:49Z eckhard |
---|
36 | ! New parameters for computation of geostrophic winds |
---|
37 | ! Bumped INIFOR version number |
---|
38 | ! |
---|
39 | ! |
---|
40 | ! 3183 2018-07-27 14:25:55Z suehring |
---|
41 | ! Updated defaults for soil extrapolation steps and nudging time-scale |
---|
42 | ! Improved handling of the start date string |
---|
43 | ! Added gas constant for water vapor |
---|
44 | ! Bumped INIFOR version number |
---|
45 | ! |
---|
46 | ! |
---|
47 | ! 3182 2018-07-27 13:36:03Z suehring |
---|
48 | ! Initial revision |
---|
49 | ! |
---|
50 | ! |
---|
51 | ! |
---|
52 | ! Authors: |
---|
53 | ! -------- |
---|
54 | ! @author Eckhard Kadasch |
---|
55 | ! |
---|
56 | ! Description: |
---|
57 | ! ------------ |
---|
58 | !> The defs module provides global constants used in INIFOR. |
---|
59 | !------------------------------------------------------------------------------! |
---|
60 | MODULE defs |
---|
61 | |
---|
62 | IMPLICIT NONE |
---|
63 | |
---|
64 | ! Parameters for type definitions |
---|
65 | INTEGER, PARAMETER :: dp = 8 !< double precision (8 bytes = 64 bits) |
---|
66 | INTEGER, PARAMETER :: sp = 4 !< single precision (4 bytes = 32 bits) |
---|
67 | INTEGER, PARAMETER :: hp = 2 !< half precision (2 bytes = 16 bits) |
---|
68 | INTEGER, PARAMETER :: PATH = 140 !< length of file path strings |
---|
69 | INTEGER, PARAMETER :: LNAME = 150 !< length of long name strings |
---|
70 | INTEGER, PARAMETER :: SNAME = 40 !< length of short name strings |
---|
71 | INTEGER, PARAMETER :: DATE = 10 !< length of date strings |
---|
72 | |
---|
73 | ! Trigonomentry |
---|
74 | REAL(dp), PARAMETER :: PI = 3.14159265358979323846264338_dp !< Ratio of a circle's circumference to its diamter [-] |
---|
75 | REAL(dp), PARAMETER :: TO_RADIANS = PI / 180.0_dp !< Conversion factor from degrees to radiant [-] |
---|
76 | REAL(dp), PARAMETER :: TO_DEGREES = 180.0_dp / PI !< Conversion factor from radians to degrees [-] |
---|
77 | |
---|
78 | ! COSMO-DE parameters |
---|
79 | INTEGER, PARAMETER :: WATER_ID = 9 !< Integer corresponding to the water soil type in COSMO-DE [-] |
---|
80 | REAL(dp), PARAMETER :: EARTH_RADIUS = 6371229.0_dp !< Earth radius used in COSMO-DE [m] |
---|
81 | REAL(dp), PARAMETER :: P_SL = 1e5_dp !< Reference pressure for computation of COSMO-DE's basic state pressure [Pa] |
---|
82 | REAL(dp), PARAMETER :: T_SL = 288.15_dp !< Reference temperature for computation of COSMO-DE's basic state pressure [K] |
---|
83 | REAL(dp), PARAMETER :: BETA = 42.0_dp !< logarithmic lapse rate, dT / d ln(p), for computation of COSMO-DE's basic state pressure [K] |
---|
84 | REAL(dp), PARAMETER :: RD = 287.05_dp !< specific gas constant of dry air, used in computation of COSMO-DE's basic state [J/kg/K] |
---|
85 | REAL(dp), PARAMETER :: RV = 461.51_dp !< specific gas constant of water vapor [J/kg/K] |
---|
86 | REAL(dp), PARAMETER :: G = 9.80665_dp !< acceleration of Earth's gravity, used in computation of COSMO-DE's basic state [m/s/s] |
---|
87 | 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], in [kg/m^3] |
---|
88 | REAL(dp), PARAMETER :: HECTO = 100_dp !< unit conversion factor from hPa to Pa |
---|
89 | |
---|
90 | ! PALM-4U parameters |
---|
91 | REAL(dp), PARAMETER :: OMEGA = 7.29e-5_dp !< angular velocity of Earth's rotation [s^-1] |
---|
92 | REAL(dp), PARAMETER :: P_REF = 1e5_dp !< Reference pressure for potential temperature [Pa] |
---|
93 | 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] |
---|
94 | 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] |
---|
95 | |
---|
96 | ! INIFOR parameters |
---|
97 | INTEGER, PARAMETER :: FILL_ITERATIONS = 5 !< Number of iterations for extrapolating soil data into COSMO-DE water cells [-] |
---|
98 | INTEGER, PARAMETER :: FORCING_STEP = 1 !< Number of hours between forcing time steps [h] |
---|
99 | REAL(dp), PARAMETER :: NUDGING_TAU = 21600.0_dp !< Nudging relaxation time scale [s] |
---|
100 | CHARACTER(LEN=*), PARAMETER :: VERSION = '1.4.1' !< INIFOR version number |
---|
101 | CHARACTER(LEN=*), PARAMETER :: COPYRIGHT = 'Copyright 2017-2018 Leibniz Universitaet Hannover' // & |
---|
102 | NEW_LINE(' ') // ' Copyright 2017-2018 Deutscher Wetterdienst Offenbach' !< Copyright notice |
---|
103 | |
---|
104 | END MODULE defs |
---|