<div dir="ltr"><div>Is the pond downstream from a watermill also a stream_pond?</div><div><br></div></div><div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
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</table><a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1" height="1"></a></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 24 Dec 2020 at 19:10, Joseph Eisenberg <<a href="mailto:joseph.eisenberg@gmail.com">joseph.eisenberg@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr">The tag water=stream_pool was documented only at Key:water, so I've now created a new page for the tag with more details after this discussion:<div><br></div><div><a href="https://wiki.openstreetmap.org/wiki/Tag:water%3Dstream_pool" target="_blank">https://wiki.openstreetmap.org/wiki/Tag:water%3Dstream_pool</a><br></div><div><br></div><div>"<span style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px">The tag</span><span style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px"> </span><tt dir="ltr" style="color:rgb(32,33,34);font-size:1em;font-family:monospace,monospace;direction:ltr;background-color:rgb(238,238,255);line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:water" title="Key:water" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">water</a>=<a style="text-decoration:inherit;color:inherit;background-image:none;font-weight:bold">stream_pool</a></tt><span style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px"> </span><span style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px">is used to map the water area of a</span><span style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px"> </span><b style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px">stream pool</b><span style="color:rgb(32,33,34);font-family:sans-serif;font-size:14px">: a small but relatively deep collection of fresh water, occurring along a narrow stream. Water velocity in the pool is typically much lower than in the stream. Frequently found below a waterfall, where it is also called a "plunge pool". May be used as a "swimming hole".</span></div><p style="margin:0.5em 0px;color:rgb(32,33,34);font-family:sans-serif;font-size:14px">This tag is used for pools along narrow streams which are otherwise only mapped as a linear way with <tt dir="ltr" style="font-family:monospace,monospace;font-size:1em;direction:ltr;background-color:rgb(238,238,255);line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">waterway</a>=<a href="https://wiki.openstreetmap.org/wiki/Tag:waterway%3Dstream" title="Tag:waterway=stream" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">stream</a></tt>. For wider rivers (mapped with <tt dir="ltr" style="font-family:monospace,monospace;font-size:1em;direction:ltr;background-color:rgb(238,238,255);line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">waterway</a>=<a href="https://wiki.openstreetmap.org/wiki/Tag:waterway%3Driver" title="Tag:waterway=river" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">river</a></tt>), the areas of the river, including "pools", are typically mapped with <tt dir="ltr" style="font-family:monospace,monospace;font-size:1em;direction:ltr;background-color:rgb(238,238,255);line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">waterway</a>=<a href="https://wiki.openstreetmap.org/wiki/Tag:waterway%3Driverbank" title="Tag:waterway=riverbank" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">riverbank</a></tt> or <tt dir="ltr" style="font-family:monospace,monospace;font-size:1em;direction:ltr;background-color:rgb(238,238,255);line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:water" title="Key:water" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">water</a>=<a href="https://wiki.openstreetmap.org/wiki/Tag:water%3Driver" title="Tag:water=river" style="text-decoration:none;color:rgb(11,0,128);background-image:none" target="_blank">river</a></tt> instead."</p><p style="margin:0.5em 0px;color:rgb(32,33,34);font-family:sans-serif;font-size:14px">-- Joseph Eisenberg</p></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Dec 24, 2020 at 5:43 AM Paul Allen <<a href="mailto:pla16021@gmail.com" target="_blank">pla16021@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">On Thu, 24 Dec 2020 at 05:40, Andrew Harvey <<a href="mailto:andrew.harvey4@gmail.com" target="_blank">andrew.harvey4@gmail.com</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>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.</div><div><br></div><div dir="ltr"><a href="https://www.openstreetmap.org/way/531128566" target="_blank">https://www.openstreetmap.org/way/531128566</a><br></div><div dir="ltr"><a href="https://www.openstreetmap.org/way/32173325" target="_blank">https://www.openstreetmap.org/way/32173325</a><br></div><div dir="ltr"><br></div><div>If we want a separate tag for this that's fine, but currently people use the water=stream_pool in OSM to tag these.</div></div></blockquote><div><br></div><div>Until water=stream_pool came along, these would have been mapped</div><div>as water=pond, or even left as natural=water without defining the</div><div>type of water. I expect many still are mapped that way, even</div><div>today.</div><div><br></div><div>Do we need to differentiate between stream pools and plunge pools</div><div>given that so many of both are already mapped as ponds? I can</div><div> see arguments both ways and don't (yet) have strong feelings</div><div>either way.<br></div><div><br></div><div>-- <br></div><div>Paul</div><div><br></div></div></div>
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