daylength | R Documentation |
Compute the day length given the altitude and day of year.
daylength(lat, day_of_year)
day_of_year |
|
latitude |
|
numeric
Number of hours of daytime.
Cathy C. Westhues cathy.jubin@hotmail.com
A model comparison for daylength as a function of latitude and day of year. Ecological Modelling, 80(1), 87-95. Forsythe, W. C., Rykiel Jr ,E. J., Stahl, R. S., Wu, H. I., & Schoolfield, R. M. (1995).
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