Browsing by Author "Maake, Livhuwani"

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    Sources of suspended load in the upper Orange River, South Africa
    (2012) Maake, Livhuwani; Compton, John
    A lot of work has been done on the upper Orange River but little attention has been given to the source of its suspended sediment load. The source of the suspended load is important because it can provide insight into soil erosion, a major problem in South Africa and globally. In this study the composition of the suspended sediment load of upper Orange River tributaries is related to bed rock geology, topography, soils and land use. Orange River catchment bed rock includes sedimentary rocks of the Karoo Supergroup and flood basalts of the Drakensberg Group each with distinct geochemical signatures.