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Estimating the rainfall erosivity for management planning in the Eastern Desert, Egypt / Kh. M. Darwish in Geocarto international, Vol 31 n° 9 - 10 (October - November 2016)  

Public [article]  inGeocarto international > Vol 31 n° 9 - 10 (October - November 2016) . - pp 1123 - 1141 Titre : Estimating the rainfall erosivity for management planning in the Eastern Desert, Egypt Type de document : Article/Communication Auteurs : Kh. M. Darwish, Auteur ; W.A.M. Abdel Kawy, Auteur ; Ahmed A. Afifi, Auteur ; R. Zölitz, Auteur Année de publication : 2016 Article en page(s) : pp 1123 - 1141 Note générale : bibliogrphie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] climat aride [Termes IGN] désert [Termes IGN] Egypte [Termes IGN] érosion hydrique [Termes IGN] modèle RUSLE [Termes IGN] planification [Termes IGN] sol [Termes IGN] système d'information géographique Résumé : (auteur) Soil erosion is one of the major causes of land degradation in arid areas. Soil erosion models, e.g. the revised universal soil loss equation (RUSLE), use arithmetical expressions to explore relationships among various processes occurring in the terrain. The established model includes soil parameters, slope, climate and human activities to estimate the water erosion rate and sediment yield. In this study, an approach was adopted to integrate RUSLE model and geographic information system to detect erosion vulnerability and determine the soil erosion risk in the study area. The study area is situated in the Eastern Desert, Egypt. Ground truth data were examined to represent two regions: Luxor-Suhag and Suhag–ElMinya. These regions are exampled by four dry valleys named Sannor, Tarfa, Asyut and Qena, which are planned for agricultural development. The results indicate high risk of water erosion and sediment load discharge into the cultivated land in Luxor–Suhag region. The other region of Suhag–ElMinya is moderately affected by water and sediment load discharge. A higher soil erosion rate was found in Qena wadi followed by Asyut, then Tarfa and Sannur, respectively. Numéro de notice : A2016-676 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106049.2015.1120352 Date de publication en ligne : 29/12/2015 En ligne : http://dx.doi.org/10.1080/10106049.2015.1120352 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=81927 [article]

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