Hi
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.
Cheers
DaveF
On 23/07/2018 21:48, François Lacombe wrote:
Hi,
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
seasonal.
For example in France, we often find such warning signs:
https://imgur.com/a/QUxuPem
Precise sections of streams or rivers are marked as dangerous even in
good weather.
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)
https://imgur.com/a/TLhZcgE
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
François
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