Land Use Change and Soil Erosion Hazard in the Zambezi Basin

by H. Leenaers, Utrecht Univ, Utrecht, Netherlands,
K. Salewicz, Utrecht Univ, Utrecht, Netherlands,

Document Type: Proceeding Paper

Part of: Hydraulics/Hydrology of Arid Lands (H²AL)


An experimental model for estimating soil erosion hazard in southern Africa (SLEMSA) was linked to a raster based Geographical Information System. Soil erosion hazard maps were constructed by running a series of five land use scenarios. White's vegetation map of Africa was used as the basis for predicting soil erosion hazard under 'natural' vegetation. Four land use scenarios representing subsequent stages of increasing land pressure (due to cropping, grazing and deforestation) were used to delineate areas currently or potentially susceptible to soil erosion.

Subject Headings: Erosion | Land use | Geohazards | Soil analysis | Basins | Information systems | Geographic information systems | Mapping | Africa

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