OceanWind {CircSpatial}R Documentation

Ocean Wind Data

Description

Ocean wind data from ICOADS for the El Nino years 1972, 1976, 1982, 1987, 1991, 1994, and 1997, January through April, in 1 deg increments for the area of longitude 0.5 deg E to +359.5 deg E by latitude -59.5 deg N to +60.5 deg N. Time of observation = year + month/12. East and north components of wind velocity are in units of 0.01 meters/second.

Usage

data(OceanWind)

Format

A data frame with 495,688 observations on the following 5 variables.

year:
a numeric vector of time of observation
x:
a numeric vector of longitude
y:
a numeric vector of latitude
u:
a numeric vector of east component of wind
v:
a numeric vector of north component of wind

Details

Section J.8 in Appendices.J.PackageDocumentation in the installed folder doc provides additional detail and illustrations.

Subset the data and remove the column "year" prior to imaging by CircDataimage.

Source

http://dss.ucar.edu/pub/coads/forms/msg/msga.form.html

See Also

WorldMask
CircDataimage
PlotVectors

Examples

data(OceanWind)

## Remove year column
wind.subset <- OceanWind[, -1]

[Package CircSpatial version 1.0 Index]