[Talk-at] Way: 357911189

[forster at ozonline.com.au]

Friedrich
Thanks for your comments
I changed waterway=riverbank to natural=scree
The map already had 2 river channels indicating a braided stream
I referenced our conversation in the changeset comments.
Tony

> On 06.08.19 04:40, forster at ozonline.com.au wrote:
>> Way: 357911189 renders as a lake, in reality it is a scree   
>> slope/gravel bed with a braided stream running through it.
>>
>> It is tagged waterway     riverbank. Do you have any suggestions  
>> for better tagging?
>
> This should be micro-mapped from aerial images. You need to compare
> images from different years to see which parts of the area are
> frequently changing, and which are not.
> natural=scree seems fine for most oft that area. The green parts are
> certainly natural=fell. waterway=riverbank is ok on the area around  E
> 11.6636714 / N 47.0004158, which is covered most of the time by the
> varying branches of the stream.
>
> I have never been to that region, but in general the alpine waterways
> carry a lot more water in spring and early summer due to snowmelt. You
> don't see these water levels in aerial images because they are taken
> when the snow is gone. So it's possible that waterway=riverbank is
> correct on a bigger area, but then it should be accompanied by
> intermittent=yes. See
> https://wiki.openstreetmap.org/wiki/Proposed_features/ephemeral for
> ideas how to specify the season.
>
> The waterway=stream itself should be adapted to the latest aerial
> image. This may by outdated anyway, but it's still better than what is
> mapped by now.
>
> -- 
> Friedrich K. Volkmann       http://www.volki.at/
> Adr.: Davidgasse 76-80/14/10, 1100 Wien, Austria
>
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