## Tutorial: Burn stream network into DEM

### 1. Introduction

When we delineate a catchment, we need the stream network to identify the outlet. The automatically delineated channels, however, can deviate a lot from the channels we see on a map or satellite image.

When we have a river GIS layer available we can improve the catchment delineation by burning the stream network into the DEM.

After this tutorial you'll be able to: