[Tagging] Is waterway=riverbank an 'Old scheme' ?

Yves yvecai at mailbox.org
Sat Sep 8 06:39:58 UTC 2018


There's the documened natural=riverbed.
Yves 

Le 8 septembre 2018 02:07:48 GMT+02:00, Warin <61sundowner at gmail.com> a écrit :
>Humm
>I would tend to just mark the river .. not the bank at all. But..
>
>However the river bank would be seasonal?
>So possibly a seasonal tagging would suit?
>
>so one area with seasonal=summer;autumn;winter (or dry_season)
>and another area with seasonal=spring (or wet_season)
>
>
>
>On 08/09/18 09:09, Dave Swarthout wrote:
>> > What should we be marking as the "riverbank" - where the water is 
>> visible "now", or the defined limits of where it spreads out to in
>the 
>> wet season?
>>
>> This is an excellent question that applies to Alaska's braided rivers
>
>> as well. As they are without man-made flood controls or artificial 
>> embankments, they run full in the spring, sometimes tearing out trees
>
>> and even small islands as they go, but shrink to a trickle in the 
>> summer and winter. Customarily, we map the maximum extent of the
>river 
>> as riverbank but that leaves a very mistaken impression when one 
>> observes such rivers in the summer.
>>
>> On Sat, Sep 8, 2018 at 5:56 AM Graeme Fitzpatrick 
>> <graemefitz1 at gmail.com <mailto:graemefitz1 at gmail.com>> wrote:
>>
>>
>>
>>     On Sat, 8 Sep 2018 at 05:40, Richard <ricoz.osm at gmail.com
>>     <mailto:ricoz.osm at gmail.com>> wrote:
>>
>>         everything can be handled with waterway=riverbanks at least
>as
>>         well.
>>
>>     Question regarding riverbanks & where they should be marked,
>thanks?
>>
>>     Was doing some HOT mapping a little while back in Nepal & the
>area
>>     I was working on was surrounding a river - sorry, I can't
>remember
>>     the exact location?
>>
>>     The imagery I was working of had apparently been taken during the
>>     dry season as the actual river channel with water in it was ~30 -
>>     50 m's wide. But the wet season river (or possibly flood?)
>channel
>>     was very obviously ~500 - 700 m's wide.
>>
>>     What should we be marking as the "riverbank" - where the water is
>>     visible "now", or the defined limits of where it spreads out to
>in
>>     the wet season?
>>
>>     Thanks
>>
>>     Graeme
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>>
>>
>> -- 
>> Dave Swarthout
>> Homer, Alaska
>> Chiang Mai, Thailand
>> Travel Blog at http://dswarthout.blogspot.com
>>
>>
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