[Tagging] Feature Proposal - RFC - Ephemeral a water property key.

Sergio Manzi smz at smz.it
Thu Dec 13 00:52:59 UTC 2018


Hello Warin,

I think that extending the defined values for intermittent=* could yield the same result and convey the very same information *without adding a new tag* (/don't we have enough?/)

Assuming (/and this is just an assumption at this time.../) that we are able to define a correct and agreed cutoff value for the frequency of an event for it to be defined /ephemeral /vs. /intermittent/, then we could simply add the following keys for intermittent=*:

  * ephemeral_spring
  * ephemeral_summer
  * ephemeral_autumn
  * ephemeral_winter
  * ephemeral_dry_season
  * ephemeral_wet_season

... and be happy with that! :-)

Cheers,

Sergio


On 2018-12-13 00:14, Warin wrote:
> Hi
>
> I have reworked the ephemeral proposal.
>
> This now demonstrates;
>
> the difference between intermittent and seasonal - some want to combine them into one and see the ephemeral key as just another intermittent/seasonal thing so they vote no.
>
> that ephemeral applies to more that just streams - some want it as a sub key to streams .. that is not possible if it applies to other things, these people too vote no.
>
>
> It now draws on the seasonal page to demonstrate the use of the seasonal values.
>
>
> I see this key being used by the experienced local who can draw on local knowledge.
>
> The arm chair satellite mapper will have to stick with intermittent as they will not be able to determine if seasonal nor ephemeral apply, they may not even be able to determine intermittent.
>
>
> I hope this proposal page is now somewhat clearer?
>
>
> https://wiki.openstreetmap.org/wiki/Proposed_features/ephemeral
>
>
> ---------------------------
>
> I may do a dairy entry on seasonal, intermittent and ephemeral. Looks to me like a lot of confusion probably promoted by the use of intermittent everywhere.
>
>
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