radiation_astronomy.f File Reference

This file sets up astronomical quantities for solar radiation calculations. More...

Variables
character(40), parameter	module_radiation_astronomy::vtagast ='NCEP-Radiation_astronomy v5.2 Jan 2013 '
Parameter constants
real(kind=kind_phys), parameter	module_radiation_astronomy::degrad = 180.0/con_pi
real(kind=kind_phys), parameter	module_radiation_astronomy::tpi = 2.0 * con_pi
real(kind=kind_phys), parameter	module_radiation_astronomy::hpi = 0.5 * con_pi
real(kind=kind_phys), parameter	module_radiation_astronomy::f12 = 12.0
real(kind=kind_phys), parameter	module_radiation_astronomy::f3600 = 3600.0
real(kind=kind_phys), parameter	module_radiation_astronomy::czlimt = 0.0001
real(kind=kind_phys), parameter	module_radiation_astronomy::pid12 = (2.0*asin(1.0))/f12
Module variable (to be set in module_radiation_astronomy::sol_init):
real(kind=kind_phys), public	module_radiation_astronomy::solc0 = con_solr
integer	module_radiation_astronomy::isolflg = 10
character(26)	module_radiation_astronomy::solar_fname = ' '

Module variables (to be set in module_radiation_astronomy::sol_update)
real(kind=kind_phys)	module_radiation_astronomy::sollag =0.0
	equation of time
real(kind=kind_phys)	module_radiation_astronomy::sindec =0.0
	sine of the solar declination angle
real(kind=kind_phys)	module_radiation_astronomy::cosdec =0.0
	cosine of the solar declination angle
real(kind=kind_phys)	module_radiation_astronomy::anginc =0.0
	solar angle increment per interation of cosz calc
real(kind=kind_phys), dimension(12)	module_radiation_astronomy::smon_sav
	saved monthly solar constants (isolflg=4 only)
integer	module_radiation_astronomy::iyr_sav =0
	saved year of data used
integer	module_radiation_astronomy::nstp =6
	total number of zenith angle iterations
subroutine, public	module_radiation_astronomy::sol_init (me)
	This subroutine initializes astronomy process, and set up module constants. More...
subroutine, public	module_radiation_astronomy::sol_update (jdate, kyear, deltsw, deltim, lsol_chg, me, slag, sdec, cdec, solcon )
	This subroutine computes solar parameters at forecast time. More...
subroutine	module_radiation_astronomy::solar (jd, fjd, r1, dlt, alp )
	This subroutine computes radius vector, declination and right ascension of sun, and equation of time.
subroutine, public	module_radiation_astronomy::coszmn (xlon, sinlat, coslat, solhr, IM, me, coszen, coszdg )
	This subroutine computes mean cos solar zenith angle over SW calling interval. More...
subroutine	module_radiation_astronomy::prtime (jd, fjd, dlt, alp, r1, solc )
	This subroutine prints out forecast date, time, and astronomy quantities.

Detailed Description

This file sets up astronomical quantities for solar radiation calculations.

Definition in file radiation_astronomy.f.

Go to the source code of this file.