Name: Manipulated_Quaternary_Catchments_with_Political_Boundaries_2012

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Description: The new SRTM Quaternary Catchment as prepared for the Water Reaseach Commission project K5/1908 was used to produce a dataset with DWA political boundaries in stead of the "hydrological political boundaries" by replacing the "hydrological political boundaries" with the new DWA landmass coastline and the northern boundary of South Africa from the 2011 Demarcation Board release. By doing this a new zone refered to as "No Impact Zone (NIZ)" was added to coastal areas where dunes caused water to flow directly to the sea. These NIZ zones where omited from the original dataset.

Service Item Id: d1c710e1a7bf4b74ac23056ab3496ad3

Copyright Text: Weepener HL, van den Berg HM, Metz M and Hamandawana H (2011) The development of a hydrologically improved Digital Elevation Model and derived products for South Africa based on the SRTM DEM. Water Research Commission, Report no. K5/1908, Pretoria.

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