[Qgis-user] Generating rivers from DEM

[jillb at south-gis.co.za]

Hi all.

 

I'm trying to generate rivers from SRTM data in Cameroon.

 

I've done a few tests using the SAGA tools - Channel Network and Channel
Network and Drainage Basins.  However, I'm not getting any useable answers
out.  I'm not sure if my parameters are incorrect or what.

 

The size of the area I am trying to generate rivers for is 110km x 110km
(One SRTM scene).

 

I am on the latest version of QGIS - 3.4.1.

 

Many thanks

Jill



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