ABSTRACT
The watershed (or catchment basin) is the benchmark spatial unit in the science of hydrology. It is defined as the drainage area of a lake or river and its tributaries, and which is separated from other watersheds by drainage divides.
The watershed (or catchment basin) is the benchmark spatial unit in the science of hydrology. It is defined as the drainage area of a lake or river and its tributaries, and which is separated from other watersheds by drainage divides.