Longitudinal slope profiles derived for all 1:500 000 rivers of South Africa, including cross-border catchments extending into neighbouring countries. River main stems are identified by a unique reach
Water scarcity conditions are expressed in this study by means of the Water Crowding Index (WCI), i.e. the annual water availability per capita (Falkenmark, 1986; 2013). Due to its ease in use and its
An indicator comparing water use versus renewable freshwater resources as percentage in a given area and time resolution e.g. annual water scarcity at country level.