Extracting River Profiles using Grass GIS: Documentation

Using open source tools to extract river profiles

A method for using GDAL library and GRASS GIS to extract river profiles from digital elevation models.

Contents:

• Preparing data
  • Choosing your dataset
  • Downloading SRTM Granules
  • Merging rasters
  • Projecting data
  • Filling Voids
• Using GRASS GIS
  • Setting up GRASS GIS
  • Starting a new Project in GRASS GIS
  • Enabling Extensions
  • Useful Commands
  • Grass structure
• Visualisation
  • Pre-analysis steps
  • Importing and displaying Raster Data
  • Masking DEM to Coastlines
  • Creating Hillshades
• Stream Analysis
  • Watershed Analysis
  • Extracting Stream Network
• Stream Extraction
  • Extracting Individual Streams for Plotting

• Search Page