Hi Joseph, Le sam. 1 juin 2019 à 12:07, Joseph Eisenberg <joseph.eisenb...@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 underground If you have to dive to progress in a cave, it's surely because of siphons I guess. 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 waterway. 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 François
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