dr: Inverse relative distance Earth-Sun
In MeTo: Meteorological Tools
dr R Documentation
Inverse relative distance Earth-Sun
Description
Calculate inverse relative distance Earth-Sun for daily and shorther periods.
Usage
dr(x)
Arguments
x
date-time object or Day of the year
Details
- x:
-
must be provided as number (1-366) or as a common date-time object (e.g, POSIXct, POSIXlt or Date objects).
All formats for which is.timepoint from the lubridate package returns TRUE can be used
Note
eq. 23 of reference
References
Allen, R. G., Pereira, L. S., Raes, D., & Smith, M. (1998). Crop evapotranspiration-Guidelines for computing crop water requirements-FAO Irrigation and drainage paper 56. FAO, Rome, 300(9).
MeTo documentation built on May 25, 2022, 9:10 a.m.
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| dr | R Documentation |
Inverse relative distance Earth-Sun
Description
Calculate inverse relative distance Earth-Sun for daily and shorther periods.
Usage
dr(x)
Arguments
x |
date-time object or Day of the year |
Details
- x:
-
must be provided as number (1-366) or as a common date-time object (e.g, POSIXct, POSIXlt or Date objects). All formats for which is.timepoint from the lubridate package returns TRUE can be used
Note
eq. 23 of reference
References
Allen, R. G., Pereira, L. S., Raes, D., & Smith, M. (1998). Crop evapotranspiration-Guidelines for computing crop water requirements-FAO Irrigation and drainage paper 56. FAO, Rome, 300(9).
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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