Monthly latitude and longitude of Gulf Stream position, averaged
from 1973 to 1992, according to Drinkwater et al. 1994 (page 103), in the
form of a list containing
month, the numbers 1 through 12,
longitude, the longitudes in degrees east, and
matrix of latitudes, with columns for months and rows for longitudes. The
data were entered by hand by Dan Kelley, and may suffer errors resulting
from typos and inaccurate reading of occasionally blurry digits.
Department of Fisheries and Oceans online library at http://www.dfo-mpo.gc.ca/Library/166053.pdf
K. F. Drinkwater, R. A Myers, R. G. Pettipas and T. L. Wright, 1994. Climatic data for the northwest Atlantic: the position of the shelf/slope front and the northern boundary of the Gulf Stream between 50W and 75W, 1973-1992. Canadian Data Report of Fisheries and Ocean Sciences 125. Department of Fisheries and Oceans, Canada.
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## Not run: library(oce) data(gs, package="ocedata") data(coastlineWorldMedium, package="ocedata") plot(coastlineWorldMedium, clon=mean(gs$longitude), clat=mean(gs$latitude), span=3200) data(topoWorld) contour(topoWorld[["longitude"]]-360, topoWorld[["latitude"]], -topoWorld[["z"]], level=1000*(1:5), col='brown', add=TRUE) for (i in gs$month) lines(gs$longitude, gs$latitude[,i], col='blue') ## End(Not run)
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