[Qgis-user] River Flood modelling

[Tim Sutton]

Hi

Maybe you want to check out ANUGA too…. https://anuga.anu.edu.au


Regards

Tim

> On 25 Jan 2019, at 08:52, Nicolas Cadieux <nicolas.cadieux at archeotec.ca> 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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---

Tim Sutton
tim at qgis.org




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