box.area: Area of a Box
In swfscMisc: Miscellaneous Functions for Southwest Fisheries Science Center

box.area

R Documentation

Area of a Box

Description

Calculate the area of a square on the earth.

Usage

box.area(lat, lon, edge, units = "nm")

Arguments

`lat, lon`	The latitude and longitude of the lower right corner of the box in decimal degrees.
`edge`	The length of one side of the square in decimal degrees.
`units`	units of distance. Can be "km" (kilometers), "nm" (nautical miles), or "mi" (statute miles).

Author(s)

Eric Archer eric.archer@noaa.gov

Examples

#What is the area of a 5 degree grid off of San Diego, CA?
box.area(32.87, -117.25, edge = 1, units = "nm")
box.area(32.87, -117.25, edge = 1, units = "km")
box.area(32.87, -117.25, edge = 1, units = "mi")

swfscMisc documentation built on Sept. 8, 2023, 5:55 p.m.