[Tagging] natural=bay on areas

Juan Pablo Tolosa Sanzana jptolosanzana at gmail.com
Mon Mar 27 20:14:06 UTC 2017

El 27/03/17 a las 16:48, Juan Pablo Tolosa Sanzana escribió:
> >>/It is a bay of the Tasman Sea/Pacific Ocean. Ecologically it is a fully /> maritime waterbody.
> >
> > What do you mean by "maritime waterbody"?
> A maritime waterbody are all those waters under the influence of the tides. You can review article for natural=coastline. The coastline should be placed in the "high water mean spring":https://wiki.openstreetmap.org/wiki/Tag:natural%3Dcoastline
> > If you're in Botany Bay or the other bays there such as
> > https://www.openstreetmap.org/relation/1333569, 
> <https://www.openstreetmap.org/relation/1333569,>  you're not at sea or
> > in the sea, or in the ocean.
> Botany Bay is part of the ocean, not a separate inland waterbody. You can see in the terrain the mark of the tides.
> > If you swim at a coastal beach you're swimming in the sea and the
> > ocean. At the beaches of Botany Bay, no one would say you're in the
> > sea or ocean. Nor would they say you're on the coast of Australia.
> This is only a colloquial thing. That lacks of verifiability. For example, Dead Sea is not a sea, really is a lake.
> > Botany Bay is unlike many conventional bays which are on the coastline
> > and part of the sea. You're right that these types of bays are part of
> > the sea and ocean, and other times they are part of a river, but
> > botany bay is really a river nor sea, if anything Botany Bay sounds
> > much more like an Esturary.https://en.wikipedia.org/wiki/Estuary
> The rules for tagging are in the OSM wiki. Even in Wikipedia says Botany Bay is an oceanic bay:https://en.wikipedia.org/wiki/Botany_Bay
> The coastline is a natural feature. You don't mix it with political things. You can use the tag boundary=maritime + maritime=base_line to delineate political inner waters. Even the boundary runs in the mouth of Botany Bay, therefore is respected local things that you mean.
> Here there are instructions to tag an estuary:https://wiki.openstreetmap.org/wiki/Proposed_Features/Coastline-River_transit_placement

Sorry, in the last paragraph is boundary=maritime + border_type=baseline 
for outer edge of internal waters.
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