Science and Technology Magazine

For scientist and engineers

Catchment area

  • Catchment calculation in QGIS

    Catchment calculation in QGIS

    —

    by

    Nirmal Raj Joshi
    in

    Calculating a catchment area involves using DEM files to analyze terrain and hydrology. By reprojecting the DEM, filling data inconsistencies, and applying Strahler order analysis, users can delineate the catchment effectively. This process is essential for understanding water flow and managing resources within a specific geographic area.