<div dir="ltr"><div>Graeme, I like the definitions you posted but why add "channel" to the list? When I think of a channel I think of a shipping lane or a dredged channel where ships with deeper drafts can pass through shallow water. From my online dictionary:</div><br>1. the bed of a stream, river, or other waterway.<br>2. Nautical: a navigable route between two bodies of water.<br><div>3. the deeper part of a waterwa<span class="gmail-one-click-content gmail-css-14ljr8w e1q3nk1v4"><span class="gmail-one-click">y. <br></span></span></div><div><span class="gmail-one-click-content gmail-css-14ljr8w e1q3nk1v4"><span class="gmail-one-click"><br></span></span></div><div><span class="gmail-one-click-content gmail-css-14ljr8w e1q3nk1v4"><span class="gmail-one-click">Although the 1st definition sort of agrees with your usage, the common definition in the U.S. is closer to the other two. There are several other definitions given but most of them are similar to those two. So it will be a bit confusing to use here in the U.S. but it's not a huge problem if it appears in the Wiki list of definitions.<br></span></span></div><div>

</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 16, 2019 at 7:08 AM Graeme Fitzpatrick <<a href="mailto:graemefitz1@gmail.com">graemefitz1@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"><br clear="all"><div><div dir="ltr" class="gmail-m_7052643671537122118gmail_signature"><div dir="ltr"><div dir="ltr"><br></div></div></div></div></div><div class="gmail_quote"><div dir="ltr">On Tue, 15 Jan 2019 at 23:28, Eugene Podshivalov <<a href="mailto:yaugenka@gmail.com" target="_blank">yaugenka@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"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">The confusion is mainly in the difference between irrigation canals vs irrigation ditches and drainage diches vs drains.<div><br><div><div>In practice wide irrigation channels are called canals whereas small ones are called diches and people tend to tag them as such.</div><div>This tendency is enforced by the fact that canals and diches are rendered in difference size.</div><div>IMO there is no problem here, we should just document this usage properly.</div><div><br></div><div>Drainage diches and drains are confused simply because of their identical definition on the waterway wiki page</div><div><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" target="_blank">https://wiki.openstreetmap.org/wiki/Key:waterway</a>  <br></div><div>drain - An artificial free flow waterway used for carrying superfluous water like storm water...</div><div>ditch - An small artificial free flow waterway used for carrying superfluous water along paths or roads for drainage purposes</div></div></div></div></div></div></div></div></div></div></div></blockquote><div><br></div><div>So, would we all be happy with redoing the various wiki pages along these lines:</div><div><br></div><div>=canal: </div><div><span style="font-family:sans-serif;font-size:14px">current: Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="text-decoration:inherit;color:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">canal</a></tt><span style="font-family:sans-serif;font-size:14px"> for man-made </span><b style="font-family:sans-serif;font-size:14px">open flow</b><span style="font-family:sans-serif;font-size:14px"> (free flow vs pipe flow) </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-decoration-line:none;color:rgb(11,0,128);font-family:sans-serif;font-size:14px" target="_blank">waterways</a><span style="font-family:sans-serif;font-size:14px"> used to carry useful water for transportation, hydro-power generation or irrigation purposes.</span> </div><div><br></div><div>suggested: <span style="font-family:sans-serif;font-size:14px">Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="color:rgb(11,0,128);text-decoration-line:none;background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="color:inherit;text-decoration:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">canal</a></tt><span style="font-family:sans-serif;font-size:14px"> for large man-made </span><b style="font-family:sans-serif;font-size:14px">open flow</b><span style="font-family:sans-serif;font-size:14px"> (free flow vs pipe flow) </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;color:rgb(11,0,128);text-decoration-line:none;font-family:sans-serif;font-size:14px" target="_blank">waterways</a><span style="font-family:sans-serif;font-size:14px"> used to carry useful water, usually for transportation, but also for hydro-power generation or irrigation purposes</span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px">=drain</span></div><div><span style="font-family:sans-serif;font-size:14px">current: </span><span style="font-family:sans-serif;font-size:14px">Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="text-decoration:inherit;color:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">drain</a></tt><span style="font-family:sans-serif;font-size:14px"> for artificial </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-decoration-line:none;color:rgb(11,0,128);font-family:sans-serif;font-size:14px" target="_blank">waterways</a><span style="font-family:sans-serif;font-size:14px">, typically lined with concrete or similar, used to carry superfluous water like storm water or grey-discharge.</span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px">suggested: </span><span style="font-family:sans-serif;font-size:14px">Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="text-decoration:inherit;color:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">drain</a></tt><span style="font-family:sans-serif;font-size:14px"> for artificial </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-decoration-line:none;color:rgb(11,0,128);font-family:sans-serif;font-size:14px" target="_blank">waterways</a><span style="font-family:sans-serif;font-size:14px">, typically lined with concrete or similar, </span><span style="font-family:sans-serif;font-size:14px">usually </span><span style="font-family:sans-serif;font-size:14px">used to carry water for drainage or irrigation purposes.</span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px">=ditch</span></div><div><span style="font-family:sans-serif;font-size:14px">current: </span><span style="font-family:sans-serif;font-size:14px">Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="text-decoration:inherit;color:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">ditch</a></tt><span style="font-family:sans-serif;font-size:14px"> for simple narrow artificial </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-decoration-line:none;color:rgb(11,0,128);font-family:sans-serif;font-size:14px" target="_blank">waterways</a><span style="font-family:sans-serif;font-size:14px"> used to drain nearby land, to remove storm-water or similar. Ditches are usually straight (as opposed to natural streams). They may contain little water or even be dry most of the year – to mark this </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:intermittent" title="Key:intermittent" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">intermittent</a>=yes</tt><span style="font-family:sans-serif;font-size:14px"> may be used.</span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px">suggested: </span><span style="font-family:sans-serif;font-size:14px">Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="text-decoration:inherit;color:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">ditch</a></tt><span style="font-family:sans-serif;font-size:14px"> for simple narrow artificial </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-decoration-line:none;color:rgb(11,0,128);font-family:sans-serif;font-size:14px" target="_blank">waterways</a>, typically unlined, usually<span style="font-family:sans-serif;font-size:14px"> used to </span><span style="font-family:sans-serif;font-size:14px">remove storm-water or similar from </span><span style="font-family:sans-serif;font-size:14px">nearby land. Ditches are usually straight (as opposed to natural streams). They may contain little water or even be dry most of the year – to mark this </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:intermittent" title="Key:intermittent" style="text-decoration-line:none;color:rgb(11,0,128);background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">intermittent</a>=yes</tt><span style="font-family:sans-serif;font-size:14px"> may be used.</span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px">New category</span></div><div><span style="font-family:sans-serif;font-size:14px">=channel</span></div><div><span style="font-family:sans-serif;font-size:14px">Use </span><tt dir="ltr" class="gmail-m_7052643671537122118gmail-mw-content-ltr" style="font-size:1em;font-family:monospace,monospace;direction:ltr;background:rgb(238,238,255) none repeat scroll 0% 0%;line-height:1.6"><a href="https://wiki.openstreetmap.org/wiki/Key:waterway" title="Key:waterway" style="color:rgb(11,0,128);text-decoration-line:none;background:rgba(0,0,0,0) none repeat scroll 0% 0%" target="_blank">waterway</a>=<a class="gmail-m_7052643671537122118gmail-mw-selflink gmail-m_7052643671537122118gmail-selflink" style="color:inherit;text-decoration:inherit;background:rgba(0,0,0,0) none repeat scroll 0% 0%;font-weight:bold">channel</a></tt><span style="font-family:sans-serif;font-size:14px"> for small man-made </span><b style="font-family:sans-serif;font-size:14px">open flow</b><span style="font-family:sans-serif;font-size:14px"> </span><a href="https://wiki.openstreetmap.org/wiki/Waterways" title="Waterways" style="color:rgb(11,0,128);background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;text-decoration-line:none;font-family:sans-serif;font-size:14px" target="_blank">waterways</a><span style="font-family:sans-serif;font-size:14px"> used to carry useful water, usually for irrigation purposes. Channels are usually straight, but can be either lined or unlined.</span><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div><span style="font-family:sans-serif;font-size:14px">Would something like that clarify matters?</span></div><div><span style="font-family:sans-serif;font-size:14px"><br></span></div><div>Thanks<div><br></div><div>Graeme</div></div></div></div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr">Dave Swarthout<br>Homer, Alaska<br>Chiang Mai, Thailand<br>Travel Blog at <a href="http://dswarthout.blogspot.com" target="_blank">http://dswarthout.blogspot.com</a></div></div>