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 <[email protected]> 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 > > [email protected] > > > > > > [image: cid:[email protected]] > > > > > > > > *Fra:* [email protected] [mailto: > [email protected]] *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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