dec_angle {TrenchR} | R Documentation |
The function calculates solar declination, which is the angular distance of the sun north or south of the earth’s equator, based on the day of year (Campbell and Norman 1998).
dec_angle(doy)
doy |
|
numeric
declination angle (radians).
Campbell GS, Norman JM (1998). Introduction to environmental biophysics, 2nd ed. edition. Springer, New York. ISBN 0387949372.
Other utility functions:
airpressure_from_elev()
,
azimuth_angle()
,
day_of_year()
,
daylength()
,
solar_noon()
,
temperature conversions
,
zenith_angle()
dec_angle(doy = 112)
dec_angle(doy = 360)