solar_noon: Time of Solar Noon

In TrenchR: Tools for Microclimate and Biophysical Ecology

Time of Solar Noon

Description

The function calculates the time of solar noon in hours as a function of the day of year and longitude \insertCiteCampbell1998TrenchR.

Usage

solar_noon(lon, doy, offset = NA)

Arguments

lon	numeric longitude (decimal degrees).
doy	numeric day of year (1-366). This can be obtained from a standard date via day_of_year.
offset	numeric number of hours to add to UTC (Coordinated Universal Time) to get local time (improves accuracy but not always necessary). Defaults to NA.

Value

numeric time of solar noon (hours).

References

\insertAllCited

See Also

Other utility functions: airpressure_from_elev(), azimuth_angle(), day_of_year(), daylength(), dec_angle(), temperature conversions, zenith_angle()

Examples

  solar_noon(lon = -122.335,
             doy = 112)

TrenchR documentation built on Sept. 14, 2023, 1:07 a.m.