module_radiation_astronomy Module Reference

This module sets up astronomy quantities for solar radiation calculations.

Functions/Subroutines
subroutine, public	sol_init (me)
	This subroutine initializes astronomy process, and set up module constants. More...
subroutine, public	sol_update (jdate, kyear, deltsw, deltim, lsol_chg, me, slag, sdec, cdec, solcon )
	This subroutine computes solar parameters at forecast time. More...
subroutine	solar (jd, fjd, r1, dlt, alp )
	This subroutine computes radius vector, declination and right ascension of sun, and equation of time. More...
subroutine, public	coszmn (xlon, sinlat, coslat, solhr, IM, me, coszen, coszdg )
	This subroutine computes mean cos solar zenith angle over SW calling interval. More...
subroutine	prtime (jd, fjd, dlt, alp, r1, solc )
	This subroutine prints out forecast date, time, and astronomy quantities. More...

Variables
character(40), parameter	vtagast ='NCEP-Radiation_astronomy v5.2 Jan 2013 '
real(kind=kind_phys), parameter	degrad = 180.0/con_pi
real(kind=kind_phys), parameter	tpi = 2.0 * con_pi
real(kind=kind_phys), parameter	hpi = 0.5 * con_pi
real(kind=kind_phys), parameter	f12 = 12.0
real(kind=kind_phys), parameter	f3600 = 3600.0
real(kind=kind_phys), parameter	czlimt = 0.0001
real(kind=kind_phys), parameter	pid12 = con_pi/f12
real(kind=kind_phys), public	solc0 = con_solr
integer	isolflg = 10
character(26)	solar_fname = ' '
real(kind=kind_phys)	sollag =0.0
real(kind=kind_phys)	sindec =0.0
real(kind=kind_phys)	cosdec =0.0
real(kind=kind_phys)	anginc =0.0
real(kind=kind_phys), dimension(12)	smon_sav
integer	iyr_sav =0
integer	nstp =6