sun.rise.set: Calculates the time of sunrise and sunset
In LakeMetabolizer: Tools for the Analysis of Ecosystem Metabolism
sun.rise.set R Documentation
Calculates the time of sunrise and sunset
Description
Calculates the time of sunrise and sunset based on latitude and date.
Usage
sun.rise.set(datetimes, lat)
Arguments
datetimes
Vector of dates as POSIXct or POSIXlt (see DateTimeClasses) format
lat
Single latitude value of site. South should be negative, north positive
Value
A 2-column data frame, first column sunrise, second column sunset, as POSIXct format in standard time.
Value is NA when there is no defined sunrise or sunset for that day (winter/summer at high and low latitudes).
Author(s)
Luke A. Winslow
References
Iqbal, Muhammad. 1983. An Introduction to Solar Radiation. Elsevier.
See Also
is.night
is.day
Examples
sun.rise.set(lat=40.75,datetimes=as.POSIXlt('2013-03-31'))
LakeMetabolizer documentation built on Nov. 16, 2022, 1:09 a.m.
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| sun.rise.set | R Documentation |
Calculates the time of sunrise and sunset
Description
Calculates the time of sunrise and sunset based on latitude and date.
Usage
sun.rise.set(datetimes, lat)
Arguments
datetimes |
Vector of dates as |
lat |
Single latitude value of site. South should be negative, north positive |
Value
A 2-column data frame, first column sunrise, second column sunset, as POSIXct format in standard time. Value is NA when there is no defined sunrise or sunset for that day (winter/summer at high and low latitudes).
Author(s)
Luke A. Winslow
References
Iqbal, Muhammad. 1983. An Introduction to Solar Radiation. Elsevier.
See Also
is.night is.day
Examples
sun.rise.set(lat=40.75,datetimes=as.POSIXlt('2013-03-31'))
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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