|
Quaternary Catchment |
  
|
|
Quaternary Catchment |
|
Definition A fourth order catchment in a hierarchal classification system in which a primary catchment is the major unit. Description Quaternary catchments are the principal water management units in South Africa; and 1946 have been demarcated. Why are quaternary catchments important? Catchments are a basic hydrological unit. The quaternary catchment is the basic unit for water resource management in South Africa.
|
