cos_solar_zenith_angle.Rd
For explanations of formulae, see http://www.itacanet.org/the-sun-as-a-source-of-energy/part-3-calculating-solar-angles/
cos_solar_zenith_angle(doy, lat, lon, dt, hr)
doy | Day of year |
---|---|
lat | Latitude |
lon | Longitude |
dt | Timestep |
hr | Hours timestep |
`numeric(1)` of cosine of solar zenith angle