gravity {oce}

Acceleration Due to Earth Gravity

Description

Compute g, the acceleration due to gravity, as a function of latitude.

Usage

gravity(latitude = 45, degrees = TRUE)

Arguments

latitude

Latitude in ^\circN or radians north of the equator.

degrees

Flag indicating whether degrees are used for latitude; if set to FALSE, radians are used.

Details

Value not verified yet, except roughly.

Value

Acceleration due to gravity, in m^2/s.

Author(s)

Dan Kelley

References

Gill, A.E., 1982. Atmosphere-ocean Dynamics, Academic Press, New York, 662 pp.

Caution: Fofonoff and Millard (1983 UNESCO) use a different formula.

Examples

g <- gravity(45) # 9.8