[Tagging] Dangerous waterways tagging
fl.infosreseaux at gmail.com
Tue Jul 24 10:07:56 UTC 2018
I agree about monsooon or snow melt.
Regarding industrial operations involving downstream rivers, there are
precise restrictions and perimeters may be publicly displayed like this
Regarding this particular place :
The stream https://www.openstreetmap.org/way/610040431 is dangerous at any
time due to those canals https://www.openstreetmap.org/way/610040433 and
The canals are locked by automated gates which can send approximately 50
m3/s from the underground aqueduct once open when this plant
https://www.openstreetmap.org/way/305700031 isn't in operation
By a nice sunny summer day you may be highly tempted to go fishing in the
stream down from the regulation canals.
OSM is legit to warns you.
All the best
fl dot infosreseaux At gmail dot com
2018-07-24 11:57 GMT+02:00 Dave F <davefoxfac63 at btinternet.com>:
> This is another one of those discussion which comes up every year or so.
> The perception of danger is subjective; which never fits well within OSM.
> Waterways are not dangerous in themselves. They are inanimate objects.
> They don't jump out & attack you as you walk by. It's the naive way people
> interact with them which causes injury.
> If there's a sign indicating danger, tag that.
> On 23/07/2018 21:48, François Lacombe wrote:
> As the discussion about intermittent/seasonal/... on waterways goes on,
> there is another thing to map: how waterways banks can be dangerous due to
> sudden rise or lower water level.
> It is actually related to what we intend to map with intermittent or
> For example in France, we often find such warning signs:
> Precise sections of streams or rivers are marked as dangerous even in good
> It is stronger than simple intermittence or seasonality because of
> industrial activities running upstream (mainly hydroelectric power
> generation or dam operation).
> Nevertheless, I didn't find any global database or public information
> displaying data about such particular flooding situations. OSM can be one
> of this kind.
> Here is a public display next to a power plant in French Alps (with a nice
> piece of OSM without attribution)
> Then what could be the best way to tag it?
> No existing tag sounds suitable for this, even the idea of a single
> "permanence" key.
> All the best
> Tagging mailing listTagging at openstreetmap.orghttps://lists.openstreetmap.org/listinfo/tagging
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