sun.rise.set: Calculates the time of sunrise and sunset
In clairervh/LakeMetabolizer: Tools for the Analysis of Ecosystem Metabolism
Description
Usage
Arguments
Value
Author(s)
References
See Also
Examples
Description
Calculates the time of sunrise and sunset based on latitude and date.
Usage
1
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 matrix, first column sunrise, second column sunset, as POSIXct format.
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
1
sun.rise.set(lat=40.75,datetimes=as.POSIXlt('2013-03-31'))
clairervh/LakeMetabolizer documentation built on May 12, 2019, 2:05 p.m.
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Description Usage Arguments Value Author(s) References See Also Examples
Description
Calculates the time of sunrise and sunset based on latitude and date.
Usage
1 | 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 matrix, first column sunrise, second column sunset, as POSIXct format. 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
1 | 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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