nw.atlantic.coast: Coastline data for the North West Atlantic

In marmap: Import, Plot and Analyze Bathymetric and Topographic Data

Coastline data for the North West Atlantic

Description

Coastline data for the North West Atlantic, as downloaded using the NOAA Coastline Extractor tool.

Usage

data(nw.atlantic.coast)

Details

Coastline data for the NW Atlantic was obtained using the NOAA Coastline Extractor tool. To get more coastline data, go to https://www.ngdc.noaa.gov/mgg/shorelines/.

Value

A 2-column data frame

References

see https://www.ngdc.noaa.gov/mgg/shorelines/

See Also

nw.atlantic

Examples

# load NW Atlantic data and convert to class bathy
data(nw.atlantic,nw.atlantic.coast)
atl <- as.bathy(nw.atlantic)

## the function plot below plots only isobaths:
## - isobaths between 8000-4000 in light grey, 
## - isobaths between 4000-500 in dark grey (to emphasize seamounts)

plot(atl, deep=c(-8000,-4000), shallow=c(-4000,-500), step=c(500,500), 
 	 lwd=c(0.5,0.5,1.5),lty=c(1,1,1),
 	 col=c("grey80", "grey20", "blue"), 
 	 drawlabels=c(FALSE,FALSE,FALSE) )
 	 
## the coastline can be added from a different source, 
## and can therefore have a different resolution:
lines(nw.atlantic.coast)

## add a geographical reference on the coast:
points(-71.064,42.358, pch=19); text(-71.064,42.358,"Boston", adj=c(1.2,0))

marmap documentation built on March 31, 2023, 6:59 p.m.