[Tagging] Drain vs ditch

Eugene Podshivalov yaugenka at gmail.com
Thu Jan 31 22:34:31 UTC 2019


Hi Markus,
I find your amendments great.

Cheers,
Eugene

чт, 31 янв. 2019 г. в 20:29, Markus <selfishseahorse at gmail.com>:

> Hi Eugene
>
> Thanks for your summary! [^1] I'm in favour of the proposed
> definitions and would welcome if the clarifications regarding size you
> made here [^2] were included in the definitions, like for example
> (*additions*, ~~deletions~~):
>
> canal - Large man-made open flow (free flow vs pipe flow) waterways
> used to carry useful water for transportation, hydro-power generation,
> irrigation or land drainage purposes. Consider using waterway=ditch
> for small*er* ~~irrigation or land drainage~~ channels *that directly
> distribute water to or collect it form the land*. Consider using
> waterway=drain for small usually lined superflous liquid drainage
> channels.
>
> ditch - Small artificial free flow waterways *used to directly
> distribute water to dry land (for irrigation) or collect water from
> wet land (for drainage)* ~~used for irrigating dry land or draining
> wet land~~. Irrigation ditches can be lined or unlined, drainage
> ditches are usually unlined to let water soak through the land into
> them. Ditches may have short lined segments at waterway turning points
> or intersections with roads or paths to prevent erosion. Consider
> using waterway=canal for large*r* ~~irrigation or land drainage~~
> channels *that convey water from or to ditches*. Consider using
> waterway=drain for usually lined superflous liquid drainage channels.
>
> [^1]: <
> https://lists.openstreetmap.org/pipermail/tagging/2019-January/042543.html
> >
> [^2]: <
> https://lists.openstreetmap.org/pipermail/tagging/2019-January/042551.html
> >
>
> Regards
>
> Markus
>
> _______________________________________________
> Tagging mailing list
> Tagging at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tagging/attachments/20190201/09a75809/attachment.html>


More information about the Tagging mailing list