Provides computational, mathematical, physical, and file constants. More...

Variables
real(dp), parameter	pi_dp = 3.141592653589793238462643383279502884197_dp
	Pi in double precision.

real(sp), parameter	pi_sp = 3.141592653589793238462643383279502884197_sp
	Pi in single precision.

real(dp), parameter	pio2_dp = 1.57079632679489661923132169163975144209858_dp
	Pi/2 in double precision.

real(sp), parameter	pio2_sp = 1.57079632679489661923132169163975144209858_sp
	Pi/2 in single precision.

real(dp), parameter	twopi_dp = 6.283185307179586476925286766559005768394_dp
	2*Pi in double precision

real(sp), parameter	twopi_sp = 6.283185307179586476925286766559005768394_sp
	2*Pi in single precision

real(dp), parameter	sqrt2_dp = 1.41421356237309504880168872420969807856967_dp
	Square root of 2 in double precision.

real(sp), parameter	sqrt2_sp = 1.41421356237309504880168872420969807856967_sp
	Square root of 2 in single precision.

real(dp), parameter	twothird_dp = 0.6666666666666666666666666666666666667_dp
	2/3 in double precision

real(sp), parameter	twothird_sp = 0.6666666666666666666666666666666666667_sp
	2/3 in single precision

real(dp), parameter	onethird_dp = 0.3333333333333333333333333333333333333_dp
	1/3 in double precision

real(sp), parameter	onethird_sp = 0.3333333333333333333333333333333333333_sp
	1/3 in single precision

real(dp), parameter	deg2rad_dp = PI_dp / 180._dp
	degree to radian conversion (pi/180) in double precision

real(sp), parameter	deg2rad_sp = PI_sp / 180._sp
	degree to radian conversion (pi/180) in double precision

real(dp), parameter	rad2deg_dp = 180._dp / PI_dp
	radian to conversion (180/pi) in double precision

real(sp), parameter	rad2deg_sp = 180._sp / PI_sp
	radian to degree conversion (180/pi) in single precision

real(sp), parameter, public	secday_sp = 86400.0_sp
	Seconds per day [s] in single precision.

real(dp), parameter, public	secday_dp = 86400.0_dp
	secday [s]

real(dp), parameter, public	dayhours = 24.0_dp
	hours per day

real(dp), parameter, public	yearmonths = 12.0_dp
	months per year

real(dp), parameter, public	yeardays = 365.0_dp
	days in a year

real(dp), parameter, public	daysecs = 86400.0_dp
	sec in a day

real(dp), parameter, public	hoursecs = 3600.0_dp
	seconds per hour

real(dp), parameter	psychro_dp = 0.0646_dp
	Psychrometric constant [kPa K^-1] in double precision.

real(sp), parameter	psychro_sp = 0.0646_sp
	Psychrometric constant [kPa K^-1] in sibgle precision.

real(dp), parameter	gravity_dp = 9.81_dp
	Gravity accelaration [m^2 s^-1] in double precision.

real(sp), parameter	gravity_sp = 9.81_sp
	Gravity accelaration [m^2 s^-1] in single precision.

real(dp), parameter	solarconst_dp = 1367._dp
	Solar constant in [J m^-2 s^-1] in double precision.

real(sp), parameter	solarconst_sp = 1367._sp
	Solar constant in [J m^-2 s^-1] in single precision.

real(dp), parameter	specheatet_dp = 2.45e06_dp
	Specific heat for vaporization of water in [J m-2 mm-1] in double precision.

real(sp), parameter	specheatet_sp = 2.45e06_sp
	Specific heat for vaporization of water in [J m-2 mm-1] in single precision.

real(dp), parameter	t0_dp = 273.15_dp
	Standard temperature [K] in double precision.

real(sp), parameter	t0_sp = 273.15_sp
	Standard temperature [K] in single precision.

real(dp), parameter	sigma_dp = 5.67e-08_dp
	Stefan-Boltzmann constant [W m^-2 K^-4] in double precision.

real(sp), parameter	sigma_sp = 5.67e-08_sp
	Stefan-Boltzmann constant [W m^-2 K^-4] in single precision.

real(sp), parameter	radiusearth_sp = 6371228._sp
	Earth radius [m] in single precision.

real(dp), parameter	radiusearth_dp = 6371228._dp
	Earth radius [m] in double precision.

real(dp), parameter	p0_dp = 101325._dp
	Standard pressure [Pa] in double precision.

real(sp), parameter	p0_sp = 101325._sp
	Standard pressure [Pa] in single precision.

real(dp), parameter	rho0_dp = 1.225_dp
	standard density [kg m^-3] in double precision

real(sp), parameter	rho0_sp = 1.225_sp
	standard density [kg m^-3] in single precision

real(dp), parameter	cp0_dp = 1005.0_dp
	specific heat capacity of air [J kg^-1 K^-1] in double precision

real(sp), parameter	cp0_sp = 1005.0_sp
	specific heat capacity of air [J kg^-1 K^-1] in single precision

real(dp), parameter	cp_w_dp = 4.19_dp
	specific heat capacity of water [J kg^-1 K^-1] in double precision

real(sp), parameter	cp_w_sp = 4.19_sp
	specific heat capacity of water [J kg^-1 K^-1] in single precision

real(dp), parameter	pi_d = 3.141592653589793238462643383279502884197_dp
	Pi in double precision.

real(sp), parameter	pi = 3.141592653589793238462643383279502884197_sp
	Pi in single precision.

real(dp), parameter	pio2_d = 1.57079632679489661923132169163975144209858_dp
	Pi/2 in double precision.

real(sp), parameter	pio2 = 1.57079632679489661923132169163975144209858_sp
	Pi/2 in single precision.

real(dp), parameter	twopi_d = 6.283185307179586476925286766559005768394_dp
	2*Pi in double precision

real(sp), parameter	twopi = 6.283185307179586476925286766559005768394_sp
	2*Pi in single precision

real(dp), parameter	sqrt2_d = 1.41421356237309504880168872420969807856967_dp
	Square root of 2 in double precision.

real(sp), parameter	sqrt2 = 1.41421356237309504880168872420969807856967_sp
	Square root of 2 in single precision.

real(dp), parameter	euler_d = 0.5772156649015328606065120900824024310422_dp
	Euler''s constant in double precision.

real(sp), parameter	euler = 0.5772156649015328606065120900824024310422_sp
	Euler''s constant in single precision.

integer, parameter	nin = input_unit
	Standard input file unit.

integer, parameter	nout = output_unit
	Standard output file unit.

integer, parameter	nerr = error_unit
	Standard error file unit.

integer, parameter	nnml = 100
	Standard file unit for namelist.

real(sp), parameter, public	nodata_sp = -9999.0_sp
	[-] global no data value

real(dp), parameter, public	nodata_dp = -9999.0_dp
	[-] global no data value

integer(i4), parameter, public	nodata_i4 = int(nodata_dp)
	[-] global no data value

integer(i8), parameter, public	nodata_i8 = int(nodata_dp, kind=i8)
	[-] global no data value

real(dp), parameter, public	eps_dp = epsilon(1.0_dp)
	epsilon(1.0) in double precision

real(sp), parameter, public	eps_sp = epsilon(1.0_sp)
	epsilon(1.0) in single precision

Detailed Description

Provides computational, mathematical, physical, and file constants.

Provides computational constants like epsilon, mathematical constants such as Pi, physical constants such as the Stefan-Boltzmann constant, and file units for some standard streams such as standard in.

Author: Matthias Cuntz

Date: Nov 2011

Copyright: Copyright 2005-2024, the CHS Developers, Sabine Attinger: All rights reserved. FORCES is released under the LGPLv3+ license

The UFZ (CHS) FORCES code is free software. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the free Software Foundation either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You received a copy of the GNU Lesser General Public License along with the UFZ CHS FORCES code. It can be found in the files COPYING and COPYING.LESSER provided with this software. The complete GNU license text can also be found at http://www.gnu.org/licenses/.

Variable Documentation

◆ cp0_dp

real(dp), parameter mo_constants::cp0_dp = 1005.0_dp

specific heat capacity of air [J kg^-1 K^-1] in double precision

Definition at line 104 of file mo_constants.f90.

◆ cp0_sp

real(sp), parameter mo_constants::cp0_sp = 1005.0_sp

specific heat capacity of air [J kg^-1 K^-1] in single precision

Definition at line 106 of file mo_constants.f90.

◆ cp_w_dp

real(dp), parameter mo_constants::cp_w_dp = 4.19_dp

specific heat capacity of water [J kg^-1 K^-1] in double precision

Definition at line 108 of file mo_constants.f90.

◆ cp_w_sp

real(sp), parameter mo_constants::cp_w_sp = 4.19_sp

specific heat capacity of water [J kg^-1 K^-1] in single precision

Definition at line 110 of file mo_constants.f90.

◆ dayhours

real(dp), parameter, public mo_constants::dayhours = 24.0_dp

hours per day

Definition at line 58 of file mo_constants.f90.

◆ daysecs

real(dp), parameter, public mo_constants::daysecs = 86400.0_dp

sec in a day

Definition at line 61 of file mo_constants.f90.

◆ deg2rad_dp

real(dp), parameter mo_constants::deg2rad_dp = PI_dp / 180._dp

degree to radian conversion (pi/180) in double precision

Definition at line 46 of file mo_constants.f90.

◆ deg2rad_sp

real(sp), parameter mo_constants::deg2rad_sp = PI_sp / 180._sp

degree to radian conversion (pi/180) in double precision

Definition at line 48 of file mo_constants.f90.

◆ eps_dp

real(dp), parameter, public mo_constants::eps_dp = epsilon(1.0_dp)

epsilon(1.0) in double precision

Definition at line 152 of file mo_constants.f90.

◆ eps_sp

real(sp), parameter, public mo_constants::eps_sp = epsilon(1.0_sp)

epsilon(1.0) in single precision

Definition at line 154 of file mo_constants.f90.

◆ euler

real(sp), parameter mo_constants::euler = 0.5772156649015328606065120900824024310422_sp

Euler''s constant in single precision.

Definition at line 131 of file mo_constants.f90.

◆ euler_d

real(dp), parameter mo_constants::euler_d = 0.5772156649015328606065120900824024310422_dp

Euler''s constant in double precision.

Definition at line 129 of file mo_constants.f90.

◆ gravity_dp

real(dp), parameter mo_constants::gravity_dp = 9.81_dp

Gravity accelaration [m^2 s^-1] in double precision.

Definition at line 70 of file mo_constants.f90.

◆ gravity_sp

real(sp), parameter mo_constants::gravity_sp = 9.81_sp

Gravity accelaration [m^2 s^-1] in single precision.

Definition at line 72 of file mo_constants.f90.

◆ hoursecs

real(dp), parameter, public mo_constants::hoursecs = 3600.0_dp

seconds per hour

Definition at line 62 of file mo_constants.f90.

◆ nerr

integer, parameter mo_constants::nerr = error_unit

Standard error file unit.

Definition at line 142 of file mo_constants.f90.

Referenced by mo_message::error_message().

◆ nin

integer, parameter mo_constants::nin = input_unit

Standard input file unit.

Definition at line 136 of file mo_constants.f90.

◆ nnml

integer, parameter mo_constants::nnml = 100

Standard file unit for namelist.

Definition at line 144 of file mo_constants.f90.

◆ nodata_dp

real(dp), parameter, public mo_constants::nodata_dp = -9999.0_dp

[-] global no data value

Definition at line 148 of file mo_constants.f90.

◆ nodata_i4

integer(i4), parameter, public mo_constants::nodata_i4 = int(nodata_dp)

[-] global no data value

Definition at line 149 of file mo_constants.f90.

◆ nodata_i8

integer(i8), parameter, public mo_constants::nodata_i8 = int(nodata_dp, kind=i8)

[-] global no data value

Definition at line 150 of file mo_constants.f90.

◆ nodata_sp

real(sp), parameter, public mo_constants::nodata_sp = -9999.0_sp

[-] global no data value

Definition at line 147 of file mo_constants.f90.

◆ nout

integer, parameter mo_constants::nout = output_unit

Standard output file unit.

Definition at line 139 of file mo_constants.f90.

Referenced by mo_message::message().

◆ onethird_dp

real(dp), parameter mo_constants::onethird_dp = 0.3333333333333333333333333333333333333_dp

1/3 in double precision

Definition at line 42 of file mo_constants.f90.

◆ onethird_sp

real(sp), parameter mo_constants::onethird_sp = 0.3333333333333333333333333333333333333_sp

1/3 in single precision

Definition at line 44 of file mo_constants.f90.

◆ p0_dp

real(dp), parameter mo_constants::p0_dp = 101325._dp

Standard pressure [Pa] in double precision.

Definition at line 96 of file mo_constants.f90.

◆ p0_sp

real(sp), parameter mo_constants::p0_sp = 101325._sp

Standard pressure [Pa] in single precision.

Definition at line 98 of file mo_constants.f90.

◆ pi

real(sp), parameter mo_constants::pi = 3.141592653589793238462643383279502884197_sp

Pi in single precision.

Definition at line 115 of file mo_constants.f90.

◆ pi_d

real(dp), parameter mo_constants::pi_d = 3.141592653589793238462643383279502884197_dp

Pi in double precision.

Definition at line 113 of file mo_constants.f90.

◆ pi_dp

real(dp), parameter mo_constants::pi_dp = 3.141592653589793238462643383279502884197_dp

Pi in double precision.

Definition at line 22 of file mo_constants.f90.

◆ pi_sp

real(sp), parameter mo_constants::pi_sp = 3.141592653589793238462643383279502884197_sp

Pi in single precision.

Definition at line 24 of file mo_constants.f90.

◆ pio2

real(sp), parameter mo_constants::pio2 = 1.57079632679489661923132169163975144209858_sp

Pi/2 in single precision.

Definition at line 119 of file mo_constants.f90.

◆ pio2_d

real(dp), parameter mo_constants::pio2_d = 1.57079632679489661923132169163975144209858_dp

Pi/2 in double precision.

Definition at line 117 of file mo_constants.f90.

◆ pio2_dp

real(dp), parameter mo_constants::pio2_dp = 1.57079632679489661923132169163975144209858_dp

Pi/2 in double precision.

Definition at line 26 of file mo_constants.f90.

◆ pio2_sp

real(sp), parameter mo_constants::pio2_sp = 1.57079632679489661923132169163975144209858_sp

Pi/2 in single precision.

Definition at line 28 of file mo_constants.f90.

◆ psychro_dp

real(dp), parameter mo_constants::psychro_dp = 0.0646_dp

Psychrometric constant [kPa K^-1] in double precision.

Definition at line 66 of file mo_constants.f90.

◆ psychro_sp

real(sp), parameter mo_constants::psychro_sp = 0.0646_sp

Psychrometric constant [kPa K^-1] in sibgle precision.

Definition at line 68 of file mo_constants.f90.

◆ rad2deg_dp

real(dp), parameter mo_constants::rad2deg_dp = 180._dp / PI_dp

radian to conversion (180/pi) in double precision

Definition at line 50 of file mo_constants.f90.

◆ rad2deg_sp

real(sp), parameter mo_constants::rad2deg_sp = 180._sp / PI_sp

radian to degree conversion (180/pi) in single precision

Definition at line 52 of file mo_constants.f90.

◆ radiusearth_dp

real(dp), parameter mo_constants::radiusearth_dp = 6371228._dp

Earth radius [m] in double precision.

Definition at line 92 of file mo_constants.f90.

◆ radiusearth_sp

real(sp), parameter mo_constants::radiusearth_sp = 6371228._sp

Earth radius [m] in single precision.

Definition at line 90 of file mo_constants.f90.

◆ rho0_dp

real(dp), parameter mo_constants::rho0_dp = 1.225_dp

standard density [kg m^-3] in double precision

Definition at line 100 of file mo_constants.f90.

◆ rho0_sp

real(sp), parameter mo_constants::rho0_sp = 1.225_sp

standard density [kg m^-3] in single precision

Definition at line 102 of file mo_constants.f90.

◆ secday_dp

real(dp), parameter, public mo_constants::secday_dp = 86400.0_dp

secday [s]

Definition at line 57 of file mo_constants.f90.

◆ secday_sp

real(sp), parameter, public mo_constants::secday_sp = 86400.0_sp

Seconds per day [s] in single precision.

Definition at line 56 of file mo_constants.f90.

◆ sigma_dp

real(dp), parameter mo_constants::sigma_dp = 5.67e-08_dp

Stefan-Boltzmann constant [W m^-2 K^-4] in double precision.

Definition at line 86 of file mo_constants.f90.

◆ sigma_sp

real(sp), parameter mo_constants::sigma_sp = 5.67e-08_sp

Stefan-Boltzmann constant [W m^-2 K^-4] in single precision.

Definition at line 88 of file mo_constants.f90.

◆ solarconst_dp

real(dp), parameter mo_constants::solarconst_dp = 1367._dp

Solar constant in [J m^-2 s^-1] in double precision.

Definition at line 74 of file mo_constants.f90.

◆ solarconst_sp

real(sp), parameter mo_constants::solarconst_sp = 1367._sp

Solar constant in [J m^-2 s^-1] in single precision.

Definition at line 76 of file mo_constants.f90.

◆ specheatet_dp

real(dp), parameter mo_constants::specheatet_dp = 2.45e06_dp

Specific heat for vaporization of water in [J m-2 mm-1] in double precision.

Definition at line 78 of file mo_constants.f90.

◆ specheatet_sp

real(sp), parameter mo_constants::specheatet_sp = 2.45e06_sp

Specific heat for vaporization of water in [J m-2 mm-1] in single precision.

Definition at line 80 of file mo_constants.f90.

◆ sqrt2

real(sp), parameter mo_constants::sqrt2 = 1.41421356237309504880168872420969807856967_sp

Square root of 2 in single precision.

Definition at line 127 of file mo_constants.f90.

◆ sqrt2_d

real(dp), parameter mo_constants::sqrt2_d = 1.41421356237309504880168872420969807856967_dp

Square root of 2 in double precision.

Definition at line 125 of file mo_constants.f90.

◆ sqrt2_dp

real(dp), parameter mo_constants::sqrt2_dp = 1.41421356237309504880168872420969807856967_dp

Square root of 2 in double precision.

Definition at line 34 of file mo_constants.f90.

◆ sqrt2_sp

real(sp), parameter mo_constants::sqrt2_sp = 1.41421356237309504880168872420969807856967_sp

Square root of 2 in single precision.

Definition at line 36 of file mo_constants.f90.

◆ t0_dp

real(dp), parameter mo_constants::t0_dp = 273.15_dp

Standard temperature [K] in double precision.

Definition at line 82 of file mo_constants.f90.

◆ t0_sp

real(sp), parameter mo_constants::t0_sp = 273.15_sp

Standard temperature [K] in single precision.

Definition at line 84 of file mo_constants.f90.

◆ twopi

real(sp), parameter mo_constants::twopi = 6.283185307179586476925286766559005768394_sp

2*Pi in single precision

Definition at line 123 of file mo_constants.f90.

◆ twopi_d

real(dp), parameter mo_constants::twopi_d = 6.283185307179586476925286766559005768394_dp

2*Pi in double precision

Definition at line 121 of file mo_constants.f90.

◆ twopi_dp

real(dp), parameter mo_constants::twopi_dp = 6.283185307179586476925286766559005768394_dp

2*Pi in double precision

Definition at line 30 of file mo_constants.f90.

◆ twopi_sp

real(sp), parameter mo_constants::twopi_sp = 6.283185307179586476925286766559005768394_sp

2*Pi in single precision

Definition at line 32 of file mo_constants.f90.

◆ twothird_dp

real(dp), parameter mo_constants::twothird_dp = 0.6666666666666666666666666666666666667_dp

2/3 in double precision

Definition at line 38 of file mo_constants.f90.

◆ twothird_sp

real(sp), parameter mo_constants::twothird_sp = 0.6666666666666666666666666666666666667_sp

2/3 in single precision

Definition at line 40 of file mo_constants.f90.

◆ yeardays

real(dp), parameter, public mo_constants::yeardays = 365.0_dp

days in a year

Definition at line 60 of file mo_constants.f90.

◆ yearmonths

real(dp), parameter, public mo_constants::yearmonths = 12.0_dp

months per year

Definition at line 59 of file mo_constants.f90.

Variables

Detailed Description

Variable Documentation

◆ cp0_dp

◆ cp0_sp

◆ cp_w_dp

◆ cp_w_sp

◆ dayhours

◆ daysecs

◆ deg2rad_dp

◆ deg2rad_sp

◆ eps_dp

◆ eps_sp

◆ euler

◆ euler_d

◆ gravity_dp

◆ gravity_sp

◆ hoursecs

◆ nerr

◆ nin

◆ nnml

◆ nodata_dp

◆ nodata_i4

◆ nodata_i8

◆ nodata_sp

◆ nout

◆ onethird_dp

◆ onethird_sp

◆ p0_dp

◆ p0_sp

◆ pi

◆ pi_d

◆ pi_dp

◆ pi_sp

◆ pio2

◆ pio2_d

◆ pio2_dp

◆ pio2_sp

◆ psychro_dp

◆ psychro_sp

◆ rad2deg_dp

◆ rad2deg_sp

◆ radiusearth_dp

◆ radiusearth_sp

◆ rho0_dp

◆ rho0_sp

◆ secday_dp

◆ secday_sp

◆ sigma_dp

◆ sigma_sp

◆ solarconst_dp

◆ solarconst_sp

◆ specheatet_dp

◆ specheatet_sp

◆ sqrt2

◆ sqrt2_d

◆ sqrt2_dp

◆ sqrt2_sp

◆ t0_dp

◆ t0_sp

◆ twopi

◆ twopi_d

◆ twopi_dp

◆ twopi_sp

◆ twothird_dp

◆ twothird_sp

◆ yeardays

◆ yearmonths