SolDec {FAO56}

Solar Declination (delta)

Description

SolDec returns the solar declination.

Usage

SolDec(date)

Arguments

date

Optional. A character string that denotes the date in the format "Year-Month-Day" or "Year/Month/Day".

Details

This is a function to calculate the value of solar declination.

Value

The function returns the value of solar declination as a numeric scalar.

Reference

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), D05109.

See Also

JulDate, SunHA.

Examples

SolDec("2020/08/25")