[Tagging] New description of waterway=pressurised

François Lacombe fl.infosreseaux at gmail.com
Mon Jun 3 20:16:25 UTC 2019

Hi Joseph,

Le sam. 1 juin 2019 à 12:07, Joseph Eisenberg <joseph.eisenberg at gmail.com>
a écrit :

> Are there currently any natural siphons tagged as waterway=pressurised in
> the database?
> How would a mapper know that a natural siphon exists?
As some mapper may be speleologists, like other mapper can be climber or
any activity requiring special skills, we may take advantage of their
experience and welcome their contribution to document what they saw
If you have to dive to progress in a cave, it's surely because of siphons I

Wouldnt they be tagged as waterway=river or =stream based on those
> definitions?
No, both stream and river are free flow whereas a siphon is a pipe flow

I'm not against a better word than pressurised, especially to keep a line
between natural and man made structures.
As previous mail stated that, you should write a proposal and vote it to
make waterway=pressurised dedicated to man made structures and a new term
for natural siphons.

All the best

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