W dniu 05.08.2018 o 12:23, Volker Schmidt pisze:
Flood marks and high water marks are not necessarily the same thing.
Read
https://en.wikipedia.org/wiki/High_water_mark
to get the gist.
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.
A flood mark would be a marker for the water level reached in certain,
particular events.
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.
I would like it to be so:
- flood marks as flood signs,
- highwater marks as tide signs.
But even in recent scientific papers this division is not so clear.
Another issue is that from the beginning, on OSM wiki
https://wiki.openstreetmap.org/wiki/Key:historic
mark related to floods is described as
historic=highwater_mark
What would be the optimal tagging solution from OSM point of view?
regards
Robert
_______________________________________________
Tagging mailing list
Tagging@openstreetmap.org
https://lists.openstreetmap.org/listinfo/tagging
