In the deserts of the southwest United States there are features that could probably use similar help in tagging. In California they usually have “Dry Lake” in the name (assuming they are named). At least one in Arizona has “Playa” (Spanish for beach or shallow) in its name. From your description, they may get water more often than the “dry swamps” you write about but the tagging is similarly unclear.
At present the Wilcox Playa in Arizona is tagged with: intermittent=yes name=Willcox Playa natural=water note=This area is dry, not water or wetland. type=multipolygon wikidata=Q8003532 wikipedia=en:Willcox Playa While a California example is tagged with: name=Soda Dry Lake natural=mud wikidata=Q81309 wikipedia=en:Soda Lake (San Bernardino County) This could be an interesting discussion and maybe we can arrive at tagging that works outside of Australia as well as accurately describe your dry swamps. Cheers, Tod > On Feb 11, 2023, at 2:07 AM, Warin <61sundow...@gmail.com> wrote: > > > The ‘dry swamp’ has no apparent way to tag it. These will not be found in > Europe, just as you don’t find deserts there. > They have occasional water, not seasonal, not yearly but, say, between 5 to > 20 years they have water. As such they do not satisfy the OSM swamp > definitions at all. > See https://theconversation.com/why-a-wetland-might-not-be-wet-103687 > <https://theconversation.com/why-a-wetland-might-not-be-wet-103687> for more > on their characteristics, at least in Australia. OSM has access to a imagery > source in Australia that maps them, so OSM has a legal source for them. What > is needed is a tag for them, say, ‘natural=dry_swamp’??? > There are ~ 4,000 of these ‘natural=mud’ mapped so far that are in fact ‘dry > swamps’. Note that the tag natural=mud wiki says “This tag should not be > used for areas with intermittent water cover which are water covered or > completely dry most of the time.” So this tagging is incorrect as they are > dry most of the time… > > There are more in existence but not mapped. > Sample https://www.openstreetmap.org/way/ > <https://www.openstreetmap.org/way/1143825454>1143851993 > <https://www.openstreetmap.org/way/1143851993> > > Any thoughts? > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org <mailto:Tagging@openstreetmap.org> > https://lists.openstreetmap.org/listinfo/tagging > <https://lists.openstreetmap.org/listinfo/tagging>
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