> Message: 10 > Date: Tue, 30 Dec 2008 22:32:45 +0100 > From: "Gustav Foseid" <gust...@gmail.com> > Subject: [OSM-talk] Tagging of maritime borders > To: osm <talk@openstreetmap.org> > Message-ID: > <39f068130812301332s10bb9770y5af8ce4ace9b6...@mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > In Europe a number of maritime borders have been tagged recently as > national > borders, with boundary=administrative and admin_level=2. > > Exactly what is tagged varies: > North of Norway: A part of the exclusive economic zone > Finland: 24 mile contiguous zone > South of Sweden: Looks like an approximation of the 24 mile contiguous > zone > Denmark: 24 mile contiguous zone > Germany in the Baltic Sea: Seems to be territorial waters, but I have not > checked the ED50 coordinates given in the source with the actual points > Germany in the North Sea: Old 3 mile territorial waters? > The Netherlands: Source is AND? Line approx 1 mile of the coast, unsure > what > this is. > Belgium: 24 mile contiguous zone > Italy: The coastline, but some places into the sea and other places on > land. > Greece/Turkey: Only tagged where islands from both countries are close to > each other. > > This is, at best, confusing and, at worst, wrong. The territorial waters > and > contiguous zones have very different legal status from a national border, > you can for instance pass through the territorial waters of a nation > without > any border controls. Some details are in the Wikipedia article for United > Nations Convention on the Law of the Sea. > > I would suggest that maritime borders are not tagged the same way as land > borders. Should we have a new tag for maritime borders? Stop tagging them? > Ignore the problem? > > - Gustav > I agree with you there, I have myself interpolated a border 12nm off the coast of Brazil, and tagged it just as the national border. I would like to see more people take a look at http://wiki.openstreetmap.org/wiki/Maritime_borders and help make up a proper set of tags for maritime borders. I would like to see the various forms of maritime borders to be tagged such as territorial waters, fishing limits, economic zones and more.
-- Brgds Aun Johnsen (Over Web Mail) _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
