source: palm/trunk/UTIL/inifor/src/inifor_defs.f90 @ 3801

Last change on this file since 3801 was 3801, checked in by eckhard, 3 years ago

inifor: Read COSMO rotated pole from dataset, check if PALM domain exceeds COSMO domain

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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 2017-2019 Leibniz Universitaet Hannover
18! Copyright 2017-2019 Deutscher Wetterdienst Offenbach
19!------------------------------------------------------------------------------!
20!
21! Current revisions:
22! -----------------
23!
24!
25! Former revisions:
26! -----------------
27! $Id: inifor_defs.f90 3801 2019-03-15 17:14:25Z eckhard $
28! Defined netCDF variable names for COSMO grid
29! Bumped version number
30!
31!
32! 3779 2019-03-05 11:13:35Z eckhard
33! Updated version number to 1.4.7, updated copyright note
34!
35!
36! 3764 2019-02-26 13:42:09Z eckhard
37! Bumped version number
38!
39!
40! 3716 2019-02-05 17:02:38Z eckhard
41! Bumped version number
42!
43!
44! 3618 2018-12-10 13:25:22Z eckhard
45! Prefixed module with inifor_
46!
47!
48! 3613 2018-12-07 18:20:37Z eckhard
49! Bumped version number
50!
51!
52! 3557 2018-11-22 16:01:22Z eckhard
53! Updated documentation
54!
55!
56! 3537 2018-11-20 10:53:14Z eckhard
57! Bumped version number
58!
59!
60! 3534 2018-11-19 15:35:16Z raasch
61! NEW_LINE intrinsic replaced by ACHAR to avoid compile time error
62!
63! 3456 2018-10-30 14:29:54Z eckhard
64! Bumped version number
65!
66!
67! 3447 2018-10-29 15:52:54Z eckhard
68! Renamed source files for compatibilty with PALM build system
69!
70!
71! 3395 2018-10-22 17:32:49Z eckhard
72! New parameters for computation of geostrophic winds
73! Bumped INIFOR version number
74!
75!
76! 3183 2018-07-27 14:25:55Z suehring
77! Updated defaults for soil extrapolation steps and nudging time-scale
78! Improved handling of the start date string
79! Added gas constant for water vapor
80! Bumped INIFOR version number
81!
82!
83! 3182 2018-07-27 13:36:03Z suehring
84! Initial revision
85!
86!
87!
88! Authors:
89! --------
90!> @author Eckhard Kadasch (Deutscher Wetterdienst, Offenbach)
91!
92! Description:
93! ------------
94!> The defs module provides global constants used in INIFOR.
95!------------------------------------------------------------------------------!
96#if defined ( __netcdf )
97 MODULE inifor_defs
98 
99 IMPLICIT NONE
100
101!
102!-- Parameters for type definitions
103 INTEGER, PARAMETER  ::  dp    = 8   !< double precision (8 bytes = 64 bits)
104 INTEGER, PARAMETER  ::  sp    = 4   !< single precision (4 bytes = 32 bits)
105 INTEGER, PARAMETER  ::  hp    = 2   !< half precision (2 bytes = 16 bits)
106 INTEGER, PARAMETER  ::  PATH  = 140 !< length of file path strings
107 INTEGER, PARAMETER  ::  LNAME = 150 !< length of long name strings
108 INTEGER, PARAMETER  ::  SNAME = 40  !< length of short name strings
109 INTEGER, PARAMETER  ::  DATE  = 10  !< length of date strings
110
111!
112!-- Trigonomentry
113 REAL(dp), PARAMETER ::  PI = 3.14159265358979323846264338_dp !< Ratio of a circle's circumference to its diamter [-]
114 REAL(dp), PARAMETER ::  TO_RADIANS = PI / 180.0_dp           !< Conversion factor from degrees to radiant [-]
115 REAL(dp), PARAMETER ::  TO_DEGREES = 180.0_dp / PI           !< Conversion factor from radians to degrees [-]
116
117!
118!-- COSMO parameters
119 INTEGER, PARAMETER  ::  WATER_ID = 9                !< Integer corresponding to the water soil type in COSMO-DE [-]
120 REAL(dp), PARAMETER ::  EARTH_RADIUS = 6371229.0_dp !< Earth radius used in COSMO-DE [m]
121 REAL(dp), PARAMETER ::  P_SL = 1e5_dp               !< Reference pressure for computation of COSMO-DE's basic state pressure [Pa]
122 REAL(dp), PARAMETER ::  T_SL = 288.15_dp            !< Reference temperature for computation of COSMO-DE's basic state pressure [K]
123 REAL(dp), PARAMETER ::  BETA = 42.0_dp              !< logarithmic lapse rate, dT / d ln(p), for computation of COSMO-DE's basic
124                                                     !< state pressure [K]
125 REAL(dp), PARAMETER ::  RD   = 287.05_dp            !< specific gas constant of dry air, used in computation of COSMO-DE's basic
126                                                     !< state [J/kg/K]
127 REAL(dp), PARAMETER ::  RV   = 461.51_dp            !< specific gas constant of water vapor [J/kg/K]
128 REAL(dp), PARAMETER ::  G    = 9.80665_dp           !< acceleration of Earth's gravity, used in computation of COSMO-DE's basic
129                                                     !< state [m/s/s]
130 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],
131                                                     !< in [kg/m^3]
132 REAL(dp), PARAMETER ::  HECTO = 100_dp              !< unit conversion factor from hPa to Pa
133
134!
135!-- PALM-4U parameters
136 REAL(dp), PARAMETER ::  OMEGA   = 7.29e-5_dp !< angular velocity of Earth's rotation [s^-1]
137 REAL(dp), PARAMETER ::  P_REF   = 1e5_dp     !< Reference pressure for potential temperature [Pa]
138 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]
139 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]
140
141!
142!-- COSMO netCDF names
143CHARACTER(SNAME) ::  NC_DEPTH_NAME = 'depth_2'
144CHARACTER(SNAME) ::  NC_HHL_NAME = 'HHL'
145CHARACTER(SNAME) ::  NC_RLAT_NAME = 'rlat'
146CHARACTER(SNAME) ::  NC_RLON_NAME = 'rlon'
147CHARACTER(SNAME) ::  NC_ROTATED_POLE_NAME = 'rotated_pole'
148CHARACTER(SNAME) ::  NC_POLE_LATITUDE_NAME = 'grid_north_pole_latitude'
149CHARACTER(SNAME) ::  NC_POLE_LONGITUDE_NAME = 'grid_north_pole_longitude'
150
151!
152!-- INIFOR parameters
153 INTEGER, PARAMETER          ::  FILL_ITERATIONS = 5          !< Number of iterations for extrapolating soil data into COSMO-DE
154                                                              !< water cells [-]
155 INTEGER, PARAMETER          ::  FORCING_STEP = 1             !< Number of hours between forcing time steps [h]
156 REAL(dp), PARAMETER         ::  NUDGING_TAU = 21600.0_dp     !< Nudging relaxation time scale [s]
157 CHARACTER(LEN=*), PARAMETER ::  VERSION = '1.4.8'            !< INIFOR version number
158 CHARACTER(LEN=*), PARAMETER ::  COPYRIGHT = 'Copyright 2017-2019 Leibniz Universitaet Hannover' // &
159     ACHAR( 10 ) // ' Copyright 2017-2019 Deutscher Wetterdienst Offenbach' !< Copyright notice
160
161 END MODULE inifor_defs
162#endif
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