[Qgis-user] River Flood modelling

[Thomas Götzelt]

Hi Nicolas and Jonathan,

and not to forget Whitebox as extra hydrological software the results of
which may be imported:

http://www.uoguelph.ca/~hydrogeo/Whitebox/

Thomas

Am 25.01.2019 um 23:54 schrieb Jonathan Moules:
> Hi Nicolas,
>
> If you don't get a reply here that solves your issue it may be worth
> asking on the GRASS mailing list. I know GRASS has a lot of
> hydrographic tools and it's integrated into QGIS so...
>
> https://lists.osgeo.org/mailman/listinfo/grass-user
>
> Jonathan
>
>
> On 2019-01-25 06:52, Nicolas Cadieux wrote:
>> Hi,
>>
>> I know it can't be that simple but I would like to model a river
>> flood in a mountainous area.  I am looking for something like the
>> Saga Lake flood module with a LiDAR derived DEM, a seed but with the
>> possibility to add X amount of water.  It's basically a lake and dam
>> scenario and you just add water and figure out where the water goes
>> down the valley when it goes over the dam. Of course I can't use the
>> normal lake flood modules because rivers are not flat therefore I
>> need something that takes the downhill valley shape into
>> consideration.  Also, I am not looking for a simple channel network
>> map with lines and points. I would like the actual polygon or raster
>> representation of the 2D shape of the river channel.  Can you please
>> point me in the right direction.
>>
>> Nicolas
>>
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