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<div class="moz-cite-prefix">On 06/08/18 09:01, Dave Swarthout
wrote:<br>
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cite="mid:CAKWFYhVyEz9WgGB02E8qO_52Y7mkj_-3sXcQkXmYW6m4owMt7Q@mail.gmail.com">
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<div dir="ltr">> I would think a good start would be changing
the wiki to make it historic=flood_level, leaving any reference
to high (or low) water to be a waterways thing ie the high tide
mark.
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<div>+1<br>
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<div>Very sensible IMO.</div>
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<br>
Yes. <br>
Complication .. a historic king tide combined with a storm event may
be considered a historic flood level. <br>
But 'normal' high tides should be part of the water way tagging
system. <br>
<br>
<blockquote type="cite"
cite="mid:CAKWFYhVyEz9WgGB02E8qO_52Y7mkj_-3sXcQkXmYW6m4owMt7Q@mail.gmail.com"><br>
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<div dir="ltr">On Sun, Aug 5, 2018 at 2:59 PM Graeme Fitzpatrick
<<a href="mailto:graemefitz1@gmail.com"
moz-do-not-send="true">graemefitz1@gmail.com</a>> wrote:<br>
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<div class="m_4749542882077404523gmail_signature"
data-smartmail="gmail_signature">
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<div dir="ltr">On 6 August 2018 at 02:48, Robert
Szczepanek <span dir="ltr"><<a
href="mailto:robert@szczepanek.pl"
target="_blank" moz-do-not-send="true">robert@szczepanek.pl</a>></span>
wrote:<br>
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<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">W
dniu 05.08.2018 o 12:23, Volker Schmidt pisze:<span><br>
<blockquote class="gmail_quote" style="margin:0 0 0
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Flood marks and high water marks are not
necessarily the same thing.<br>
Read<br>
<a
href="https://en.wikipedia.org/wiki/High_water_mark"
rel="noreferrer" target="_blank"
moz-do-not-send="true">https://en.wikipedia.org/wiki/High_water_mark</a><br>
to get the gist.<br>
There are ordinary high water marks (and I suppose
also the opposite, ordinary low water marks) which
are based on the regular tides in the area.<br>
A flood mark would be a marker for the water level
reached in certain, particular events.<br>
I am not sure about terminology in different
jurisdictions, but the concept seems to be clear
to me that there are two different things we want
to tag.<br>
</blockquote>
<br>
</span>
I would like it to be so:<br>
- flood marks as flood signs,<br>
- highwater marks as tide signs.<br>
But even in recent scientific papers this division is
not so clear.<br>
<br>
Another issue is that from the beginning, on OSM wiki<br>
<a
href="https://wiki.openstreetmap.org/wiki/Key:historic"
rel="noreferrer" target="_blank"
moz-do-not-send="true">https://wiki.openstreetmap.org/wiki/Key:historic</a><br>
mark related to floods is described as<br>
historic=highwater_mark<br>
<br>
What would be the optimal tagging solution from OSM
point of view?<br>
<br>
regards<span class="m_4749542882077404523HOEnZb"><font
color="#888888"><br>
Robert</font></span></blockquote>
<div><br>
</div>
<div>I would think a good start would be changing the
wiki to make it historic=flood_level, leaving any
reference to high (or low) water to be a waterways
thing ie the high tide mark.</div>
<div><br>
</div>
<div>Thanks</div>
<div><br>
</div>
<div>Graeme</div>
<div> </div>
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</blockquote>
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-- <br>
<div dir="ltr" class="gmail_signature"
data-smartmail="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" moz-do-not-send="true">http://dswarthout.blogspot.com</a></div>
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