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Article citations


Tahiri, M. (2014) Contribution de l’outil de l’observation de la Terre à l’analyse du milieu environnemental du bassin de Tahaddart (Rif nord occidental, Maroc). Doctorat, Hassan II University of Casablanca, Morocco, 256 p.

has been cited by the following article:

  • TITLE: Modelling Soil Erosion and Sedimentation in the Oued Haricha Sub-Basin (Tahaddart Watershed, Western Rif, Morocco): Risk Assessment

    AUTHORS: Mounia Tahiri, Hassan Tabyaoui, Abdelfatah Tahiri, Hassan El Hadi, Fatima El Hammichi, Mohammed Achab

    KEYWORDS: Soil Erosion, Deposition, Oued Haricha, NW-Rif, Morocco

    JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.4 No.1, January 18, 2016

    ABSTRACT: This study evaluates the annual loss of soil in the sub-basin of Oued Haricha (Tahaddart basin, Western Rif, NW Morocco). The integration of revised (RUSLE) and modified (MUSLE) soil loss empirical equations of Wischmeier and Smith in combination with GIS permits the modelling of soil erosion at the scale of parcels. The characteristics of precipitation and runoff, the soil properties, the culture system and the current working practices of soil in the sub-basin of the Oued Haricha are collected from local data. The digital terrain model is used to generate topographic factors. The combination of different RUSLE factors shows that the annual soil is 62.72 t/ha/year and corresponds to an average level of risk. The total losses calculated by MUSLE method are valued at 221,468 t/year. The rates of loss due to linear erosion are 82,652 t/year. These soil losses represent 20.33% of the total losses, and confirm that the losses on the slopes outweigh the losses due to the river system. Sedimentation module shows that the areas of high erosion (greater than 200 t/ha/year) are concentrated in the reliefs with average and high slope and occupy 38% of the total area. The deposition areas occupy the centre of sub-basin and constitute 9.12% of the total area. These deposits were concentrated on the edges of major rivers and the outlet of the sub-basin and contributed to siltation of the April 9, 1947 dam.