[Tagging] waterway=wadi problem

[Warin]

On 18/01/2015 7:47 AM, tagging-request at openstreetmap.org wrote:
> Date: Sat, 17 Jan 2015 12:14:53 -0800
> From: Tod Fitch<tod at fitchdesign.com>
> To: "Tag discussion, strategy and related tools"
> 	<tagging at openstreetmap.org>
> Subject: Re: [Tagging] waterway=wadi problem
> Message-ID:<B5F2134D-455B-4801-93B3-0E065FE8A712 at fitchdesign.com>
> Content-Type: text/plain; charset=us-ascii
>
>
> The more I think about this issue the more I am coming to the feeling that waterway=wadi ought to be deprecated and we should come up with a way of further defining "intermittent" to distinguish between seasonal and ephemeral flow patterns. Based on other responses on this thread maybe:
>
> waterway=*
> intermittent=yes/no (default assumption of "no")
> intermittent:frequency=winter/spring/summer/fall/seasonal/ephemeral/unknown (default assumption of "unknown")
>
> Tod

Less work if intermittent is simply used without the frequency extension 
.. thus:

intermittent=yes/no/winter/spring/summer/autum/seasonal/ephemeral (default assumption of "no")

Note 'fall' = northern American english, 'autum' for english english ?

Comments: An intermittent=winter may not flow every winter .. but it is 'expected' to flow in winter. This year the 'Todd River' flowed in central Australia, usually there is no folw, might flow evrey 5? years. As such it is 'ephemeral'. As it is called a 'River' by the locals and on maps and by the government so it is tagged in OSM. I looked at wadi ... but it does not match my understanding nor local use.


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