Am Fr., 19. Juni 2020 um 23:15 Uhr schrieb Joseph Eisenberg < joseph.eisenb...@gmail.com>:
> As mentioned on the proposal page, there are 4 criteria, which all qanat > features share: > > > - The immediate source of water is groundwater (aquifer or well), not > a spring, stream or river > > a spring is groundwater as well. > > - Water flows by gravity in free flow (not pressurized or pipe flow) > - The channel is underground, minimising evaporation > - Construction and maintenance is through vertical shafts, which are > then visible on the surface > > if there are parts that are in pipes, will the qanat be interrupted? If vertical shafts are not present, it is not a qanat (e.g. short enough to not require these shafts)? > > The short definition of the tag will be "A gently-sloping man-made > underground channel for transporting groundwater via gravity, with shafts > visible from the surface." > my suggestion would be to add a "typically" before "with shafts visible from the surface", because it would seem strange to need a different main tag just because the shafts aren't visible for one reason or the other (e.g. hidden on purpose) Cheers Martin
_______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
