tidemAstron {oce}R Documentation

Astronomical Calculations for Tidem

Description

Do some astronomical calculations for tidem. This function is based directly on t_astron in the T_TIDE Matlab package [1].

Usage

tidemAstron(t)

Arguments

t

Either a time in POSIXct format (with "UTC" timezone), or an integer. In the second case, it is converted to a time with numberAsPOSIXct(t,tz="UTC"). If t (It is very important to use tz="GMT" in constructing t.)

Value

A list containing items named astro and ader (see T_TIDE documentation).

Author(s)

Dan Kelley translated this from t_astron in the T_TIDE package.

References

1. Pawlowicz, Rich, Bob Beardsley, and Steve Lentz, 2002. Classical tidal harmonic analysis including error estimates in MATLAB using T_TIDE. Computers and Geosciences, 28, 929-937.

See Also

Other things related to tidem data: [[,tidem-method, [[<-,tidem-method, plot,tidem-method, predict.tidem, summary,tidem-method, tidedata, tidem-class, tidemVuf, tidem

Examples

tidemAstron(as.POSIXct("2008-01-22 18:50:24"))
[Package oce version 1.0-1 Index]