Perhaps the term “badlands” is only used in a North America. Wikipedia has a description:
"Badlands are a type of dry terrain where softer sedimentary rocks and clay-rich soils have been extensively eroded by wind and water. ... They are characterized by steep slopes, minimal vegetation" and thin soil - but not exposed bedrock, usually. Photo examples: 1) Chinle Badlands, Utah: https://en.wikipedia.org/wiki/File:Chinle_Badlands.jpg 2) Badlands near Coober Pedy in central Australia: https://www.alamy.com/the-badlands-area-near-coober-pedy-in-central-australia-image67285952.html 3) Drum Badlands, Alberta: https://en.wikipedia.org/wiki/File:Drumbadlands.jpg 4) Las Médulas, Spain: https://en.wikipedia.org/wiki/File:Panorámica_de_Las_Médulas.jpg 5) Valle de la Luna, Argentina: https://en.wikipedia.org/wiki/File:P1010357_1.JPG 6) Badlands National Park, South Dakota: https://en.wikipedia.org/wiki/File:Badlands00503.JPG - Joseph On Sun, Oct 20, 2019 at 11:14 AM Warin <61sundow...@gmail.com> wrote: > > On 20/10/19 11:19, Joseph Eisenberg wrote: > > How should areas of bare soil, such as badlands, be tagged? > > > > Currently there are documented tags for dry areas of bedrock, stones and > > sand: > > > > natural=bare_rock, natural=shingle, natural=scree, and natural=sand > > > > For tidal areas, beaches and wetlands there's also natural=beach, > > natural=shoal and wetland=mud > > > > However, there's no documented, common tag for dry areas of exposed > > clay, silt or mixed soil. > > > > natural=badlands has been used 5 times, but this is rather specific > > and may not be well-known outside of North America: > > https://taginfo.openstreetmap.org/tags/natural=badlands > > > > natural=desert is common, but includes all kinds of vegetated and > > unvegetated arid areas; many of these can be tagged with natural= > > grassland, heath, scrub, sand, scree etc. > > Desert is a climate, not a land cover nor a land form. Some deserts include > 'lakes'. > > The key natural has climate, land form and land cover all in the one tagging > scheme, I don't think is is a good scheme and would be better separated into > the individual things it is trying to tag. > > > > > natural=clay has been used twice: > > https://taginfo.openstreetmap.org/tags/natural=clay > > > > natural=earth has been used 20 times: > > https://taginfo.openstreetmap.org/tags/natural=earth > > > > natural=bare_earth has 23 uses: > > https://taginfo.openstreetmap.org/tags/natural=bare_earth > > > > There's also natural=pebbles with 67 uses > > (https://taginfo.openstreetmap.org/tags/natural=pebbles) > > and natural=gravel 90 times - > > https://taginfo.openstreetmap.org/tags/natural=gravel > > > > But most of those could be scree or shingle, which would be more specific. > > > > Would it be best to describe the type of soil, like natural=clay, > > =silt, =earth, =pebbles, =gravel? > > Better to tag specific things rather than a group. > > > > > Should mappers use surface=* without another top-level tag? > > No. > > > > > Should natural=bare_earth be used in general for clay and other bare soils? > > > > Or is natural=badlands best to describe the specific feature of an > > arid area where the bare soil is exposed due to erosion? > > I have no idea of what 'badlands' are .. from your information it is not > single land cover nor a land form. > So it is a climate? A climate that causes erosion to a bare surface? No > vegetation? > > > > > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
