There are lots of rivers in Australia that do not always have water in them
The correct tag is intermittent=yes https://wiki.openstreetmap.org/wiki/Key:intermittent Thanks Michael > -----Original Message----- > From: Warin <61sundow...@gmail.com> > Sent: Monday, 24 June 2019 8:58 PM > To: talk-au@openstreetmap.org > Subject: Re: [talk-au] Proposed deletion of part of the Gwydir River > > On 24/06/19 18:19, cleary wrote: > > In the past, I added some parts of the Gwydir River to the map using the NSW > LPI Base Map because I could not see a clear waterway on satellite imagery. > Since then, I have visited the area twice and cannot actually find a river > where it > is shown on the map. Much of the "river" is in private property but public > roads > cross waterways at various locations. > > > > The western end of the Gwydir River seems not to exist except on the NSW LPI > Base Map and maps which have used it as a source (including OSM). > > > > As far as I can ascertain, the river used to dissipate into wetlands and, > > if there > was enough water, the seepage from the wetlands re-formed into waterways. > However intensive irrigation has resulted in such low water flow that the > wetlands are largely dust and water seems never to flow beyond them (except > perhaps in major flood events which are relatively rare). Water from the > eastern > Gwydir may flow west to the Barwon River via Carole Creek into Gil Gil Creek, > via the Gingham Watercourse and via the Mehi River. But the so-called Gwydir > River, west of the wetlands, does not appear to exist except on the LPI Map. > And part that of the waterway that does exist is signposted by the Moree > Plains > Shire Council with a different name (Big Leather Watercourse) at the two > places > where it crosses public roads. GNB uses this name for another branch of the > river nearer to Moree but locals, including the local council, seem to have a > different view. > > > > When visiting the area, I found water to be difficult to discuss with > > locals as > there are some strong points of view. Maintaining a river on the map may be a > political imperative for government but is not consistent with OSM's > philosophy > of mapping what is actually on the ground at particular locations. > > > > After reflection, I think the Gwydir River does not really exist west of the > wetlands and I think it should be deleted from OSM, even though it is shown on > the LPI Base Map. I propose to delete this section of the river and follow the > local council signposted name for the more westerly waterway that does > actually exist at Morialta and Watercourse Roads. > > > > I would appreciate any views on this issue. > > If deleted someone will put it back. > > How about using the 'life cycle' tags? > > disused? abandoned? raised? Disused might be a good fit.. thought with climate > change? abandoned:waterway=river?? > > > > > > _______________________________________________ > Talk-au mailing list > Talk-au@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-au _______________________________________________ Talk-au mailing list Talk-au@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-au
