Publication Cover
Canadian Journal of Remote Sensing
Journal canadien de télédétection
Volume 28, 2002 - Issue 2
133
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Article

Determination of the overall soil erosion potential in the Nsikazi District (Mpumalanga Province, South Africa) using remote sensing and GIS

Pages 322-327 | Published online: 02 Jun 2014
 

Abstract

The overall soil erosion potential of the Nsikazi area in Mpumalanga Province, South Africa, was determined using the bare soil index (BSI), derived from satellite imagery and geo-spatial information from various sources in a geographic information system (GIS) environment. By integrating a BSI map with a natural soil erosion potential map for the study area, an indication of the causes of soil degradation was obtained. Land-use patterns were also used to identify the specific human activities that caused the most extensive soil erosion. Spatial information about the extent and causes of soil erosion is essential for the effective implementation of soil erosion prevention programmes.

Le potentiel global d'érosion des sols dans le district de Nsikazi, province de Mpumalanga, a été déterminé en utilisant l'indice BSI (bare soil index) dérivé des images satellitales jumelé à l'information géospatiale obtenue de diverses sources dans un environnement SIG. L'intégration de la carte BSI avec la carte du potentiel d'érosion naturelle des sols pour la zone d'étude donne une indication quant aux causes de la dégradation des sols. Les patrons d'utilisation du sol ont aussi été utilisés pour identifier les activités humaines responsables de la plus grande partie de l'érosion des sols. L'information spatiale concernant l'étendue et les causes d'érosion des sols est essentielle à l'efficacité de la mise en place des programmes de prévention en érosion des sols.[Traduit par la Rédaction]

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