oce (version 0.9-19)

tidedata: Tidal Constituent Information

Description

The tidedata dataset contains Tide-constituent information that is use by tidem to fit tidal models. tidedata is a list containing

const

a list containing vectors

list("name")

a string with constituent name

list("freq")

the frequency, in cycles per hour

list("kmpr")

a string naming the comparison constituent, blank if there is none

list("ikmpr")

index of comparison constituent, or 0 if there is none

list("df")

frequency difference betwee constituent and its comparison, used in the Rayleigh criterion

list("d1")

first Doodson number

list("d2")

second Doodson number

list("d3")

third Doodson number

list("d4")

fourth Doodson number

list("d5")

fifth Doodson number

list("d6")

sixth Doodson number

list("semi")

(fill in some info later)

list("nsat")

number of satellite constituents

list("ishallow")

(fill in some info later)

list("nshallow")

(fill in some info later)

list("doodsonamp")

(fill in some info later)

list("doodsonspecies")

(fill in some info later)

list("sat")

a list containing vectors

list("deldood")

(fill in some info later)

list("phcorr")

(fill in some info later)

list("amprat")

(fill in some info later)

list("ilatfac")

(fill in some info later)

list("iconst")

(fill in some info later)

list("shallow")

a list containing vectors

list("iconst")

(fill in some info later)

list("coef")

(fill in some info later)

list("iname")

(fill in some info later)

Apart from the use of d1 through d6, the naming and content follows T_TIDE. All of this is based on Foreman (1977), to which the reader is referred for details.

Source

The data come from the tide3.dat file of the T_TIDE package (Pawlowicz et al., 2002), and derive from Appendices provided by Foreman (1977). The data are scanned using ‘tests/tide.R’ in this package, which also performs some tests using T_TIDE values as a reference.

References

Foreman, M. G. G., 1977. Manual for tidal heights analysis and prediction. Pacific Marine Science Report 77-10, Institute of Ocean Sciences, Patricia Bay, Sidney, BC, 58pp.

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, tidem-class, tidemAstron, tidemVuf, tidem