[Qgis-user] River Flood modelling

[Régis Haubourg]

Hi, another one,
http://hydra-software.net/
the qgis plugin helps a lot in creating the a correct mesh with 1D /2D
areas. The flood modeling algorithm is freeware, not open source (yet?).
I've been really impressed by the qgis plugin features and the accuracy in
territory segmentation it allows.
Best regards,
Régis

Le sam. 26 janv. 2019 à 20:24, Saber Razmjooei <
saber.razmjooei at lutraconsulting.co.uk> a écrit :

> AnuGA results are now fully supported in QGIS 3.5 mesh layer. You can load
> the SWW file directly.
>
> In addition, you can look into HEC RAS, the 2-dimensional results can
> again be loaded directly as a mesh layer in QGIS. There is also RiverGIS
> plugin which helps you build your model.
>
> Regards
> Saber
>
>
> On Sat, 26 Jan 2019 at 18:49, Tim Sutton <tim at kartoza.com> wrote:
>
>> 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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>
>
> --
> Saber Razmjooei
> www.lutraconsulting.co.uk
> +44 (0)7568 129733
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