mpas_constants_mod.F90

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! (C) Copyright 2017 UCAR
! 
! This software is licensed under the terms of the Apache Licence Version 2.0
! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 
module mpas_constants_mod
 
!oops
use kinds, only : kind_real
 
!MPAS-Model
use mpas_constants, only: pii, rgas, rv
 
implicit none
 
public
 
! ------------------------------------------------------------------------------
 
!Strings
character(len=3), parameter :: mpas_jedi_off = 'off'
 
! ------------------------------------------------------------------------------
 
!Commonly used numbers
real(kind=kind_real), parameter :: mpas_jedi_zero_kr     = 0.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_half_kr     = 0.5_kind_real
real(kind=kind_real), parameter :: mpas_jedi_one_kr      = 1.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_two_kr      = 2.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_three_kr    = 3.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_hundred_kr  = 100.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_thousand_kr = 1000.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_million_kr  = 1000000.0_kind_real
 
! ------------------------------------------------------------------------------
 
!Geometry
real(kind=kind_real), parameter :: mpas_jedi_pii_kr      = real(pii,kind_real)
real(kind=kind_real), parameter :: mpas_jedi_piio2_kr    = mpas_jedi_pii_kr/mpas_jedi_two_kr
real(kind=kind_real), parameter :: mpas_jedi_deg2rad_kr  = mpas_jedi_pii_kr/180.0_kind_real
real(kind=kind_real), parameter :: mpas_jedi_rad2deg_kr  = 180.0_kind_real/mpas_jedi_pii_kr
 
! ------------------------------------------------------------------------------
 
!Comparison
real(kind=kind_real), parameter :: mpas_jedi_greaterzero_kr = 0.0000000000000001_kind_real
real(kind=kind_real), parameter :: mpas_jedi_lessone_kr     = 0.9999999999999999_kind_real
 
! ------------------------------------------------------------------------------
 
! reference pressure p0 in Pa
real(kind=kind_real), parameter :: mpas_jedi_p0_kr  = 100000.0_kind_real
 
! ------------------------------------------------------------------------------
 
! For relative humidity conversion
real(kind=kind_real), parameter :: rd_over_rv  = rgas/rv
real(kind=kind_real), parameter :: rd_over_rv1 = mpas_jedi_one_kr - rd_over_rv
real(kind=kind_real), parameter :: t_kelvin    = 273.15_kind_real
!Saturation Vapour Pressure Constants(Rogers & Yau, 1989)
real(kind=kind_real), parameter :: es_alpha    = 611.2_kind_real
real(kind=kind_real), parameter :: es_beta     = 17.67_kind_real
real(kind=kind_real), parameter :: es_gamma    = 243.5_kind_real
 
contains
 
! ------------------------------------------------------------------------------
 
! ------------------------------------------------------------------------------
 
end module mpas_constants_mod