[Tagging] Definition of lake/pond as applied to stream/plunge pools

[Paul Allen]

On Thu, 24 Dec 2020 at 05:40, Andrew Harvey <andrew.harvey4 at gmail.com>
wrote:

> I'm giving away all my favourite spots here but both of these the stream
> is mapped a a way, and has the pool under the waterfall mapped as an area,
> so you can determine pools under a waterfall based on the natural=water
> area with one of the nodes being a waterway=waterfall node.
>
> https://www.openstreetmap.org/way/531128566
> https://www.openstreetmap.org/way/32173325
>
> If we want a separate tag for this that's fine, but currently people use
> the water=stream_pool in OSM to tag these.
>

Until water=stream_pool came along, these would have been mapped
as water=pond, or even left as natural=water without defining the
type of water.  I expect many still are mapped that way, even
today.

Do we need to differentiate between stream pools and plunge pools
given that so many of both are already mapped as ponds?  I can
see arguments both ways and don't (yet) have strong feelings
either way.

-- 
Paul
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