[Qgis-user] Hydrology

[Matt Boyd]

Thanks Lene,
that was great, very helpful. I was attempting to follow this

http://qgissextante.blogspot.com.au/2013/01/hydrology-analysis-with-taudem.html

but I had some problems finding the taudem commands.

Matt

On Fri, Aug 14, 2015 at 8:14 PM, Lene Fischer <lfi at ign.ku.dk> wrote:

> Hi Matt,
>
> Just finished my lessons at this minute – in Hydrology J
>
>
>
> We use DTM
>
> Create:
>
> ·       Hillshade with factor 2
>
> ·       Use Fill Sinks (Wang& Lui) on DTM
>
> ·       Create a bluespot in Rastercalculator FilledDEM – DTM. Style and
> set transparency to 0
>
> ·       Use Channelnetwork & Drainage Basin to create Watershed basins
> and Streams (– The factor is set to 5 – if you want a more dense
> streamnetwork use a smaller factor.)
> Style/Graduate the streams by the attribute ‘Order’. Style Categorize the
> Watershed Basins
>
>
>
> Hope these few lines can help J
>
> Regards
>
>
>
>
>
> *Lene Fischer*
>
> Associate Professor
>
>
>
> *Department of Geosciences and Natural Resource Management*
>
> University of Copenhagen
>
>
>
> MOB +45 40115084
>
> lfi at ign.ku.dk
>
>
>
>
>
> [image: cid:image001.gif at 01D03029.2F3EC6A0]
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> *Fra:* qgis-user-bounces at lists.osgeo.org [mailto:
> qgis-user-bounces at lists.osgeo.org] *På vegne af *Matt Boyd
> *Sendt:* 14. august 2015 10:04
> *Til:* qgis-user
> *Emne:* [Qgis-user] Hydrology
>
>
>
> Hi List,
>
> I need to work out some channels and hydrology things from a topography
> DEM. I've done a little bit of this before but if there's a how to or a
> tutorial on the correct process / work flow that someone could point me at
> I'd appreciate it.
>
>
>
> Basically I need to work out that if I have rainfall in an certain area,
> how much of it makes its way through to another area (using a DEM) and the
> path it takes. It doesn't need to be precisely quantified, just an idea on
> preferred pathways and the end result.
>
>
>
> Thanks
>
> Matt
>
>
>
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