[Qgis-user] River Flood modelling

[Nicolas Cadieux]

Hi,

Thank you everyone for helping me out on this!

Nicolas

On 2019-01-26 3:05 p.m., Saber Razmjooei wrote:
> That looks interesting, Regis
>
> Will be good to point them to MDAL, if you have any point of contact. 
> If they add suppport for their output in MDAL, their results can be 
> easily visualised in QGIS as a mesh.
>
> Regards
> Saber
>
> On Sat, 26 Jan 2019, 19:29 Régis Haubourg <regis.haubourg at gmail.com 
> <mailto:regis.haubourg at gmail.com> wrote:
>
>     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
>     <mailto: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
>         <mailto: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
>>             <mailto: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 <mailto:tim at qgis.org>
>
>
>
>
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>
>         -- 
>         Saber Razmjooei
>         www.lutraconsulting.co.uk <http://www.lutraconsulting.co.uk>
>         +44 (0)7568 129733
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