Gravity: Gravity

Description Usage Arguments Details Value Author(s) Examples

Description

Provides the acceleration caused by gravity.

Usage

1
Gravity(latitude, altitude = 0)

Arguments

latitude

The latitude (or vector of latitudes) in units of degrees N.

altitude

The altitude in meters above the WGS-84 geoid. GPS measurements before correction to MSL are appropriate to use when supplying this altitude. For detailed accuracy, correct a variable like GGALT by adding the height of the geoid above the WGS84 reference ellipsoid. In RAF datasets, this may be present as the variable GGEOIDHT.

Details

The formula used incorporates the dependence on latitude and on altitude above the WGS-84 geoid.

Value

The acceleration of gravity in units of m/s^2

Author(s)

William Cooper

Examples

1
G <- Gravity (RAFdata$GGLAT, RAFdata$GGALT)

NCAR/Ranadu documentation built on July 30, 2019, 11:08 p.m.