Plot the meridional extent of fronts associated with the Antarctic Circumpolar Current as described by Alex Orsi and others in their landmark work, "On the meridional extent and fronts of the Antarctic Circumpolar Current, Deep-Sea Res. I, 42, 641-673, 1995".
This script downloads data from the World Ocean Circulation Experiments Southern Ocean Atlas, which can be found online at http://woceatlas.tamu.edu/Sites/html/atlas/SOA_DATABASE_DOWNLOAD.html.
This function is now a plugin for Antarctic Mapping Tools.
A cleaner rewrite as a plugin for Antarctic Mapping Tools. Example file now included.