Glossary

DEM

Digital elevation model.

Spatial discretization

Subdivision of the computational domain in a finite number of control volumes or elements (i.e., the generation of the numerical grid).

Stream order

The stream order or waterbody order is a positive whole number used in geomorphology and hydrology to indicate the level of branching in a river system.

Watershed

A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river.