get_w_s_angle: Get sunset hour angle (Eq 25)

Description Usage Arguments Details Examples

View source: R/fao_penman_monteith.R

Description

Get sunset hour angle (Eq 25)

Usage

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Arguments

lat

latitude in decimal degrees

date

date object or numeric jday

Details

Return solar decimation in rad. Evaluates the equation:

w_s = acos(-tan(phi) * tan(delta))

Examples

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## Not run: 
lat <- 13.1
date <- "2019-04-15"
w_s <- get_w_s_angle(lat, date)

## End(Not run)

gopalpenny/fao56 documentation built on Feb. 14, 2022, 6:01 a.m.