QUANTIFICATION DE L’EROSION HYDRIQUE SUR LES SOLS MARNEUX DES ALPES DE HAUTE PROVENCE (REGION DE LA MOTTE DU CAIRE), FRANCE
Journal Title: Revue Roumaine de Géographie/Romanian Journal of Geography - Year 2017, Vol 61, Issue 1
Abstract
Hydric erosion quantification on the marly soils of the Southern French Alps (la Motte du Caire region). A study on marly soils erosion quantification as undertaken in the Motte du Caire region (Southern French Alps) to quantify erosion rates on different types of marl. Measurements of ablation and deposition rates were made using a dense network of stakes covering the study area. The mean annual ablation values calculated over a period of 3 years of study were: 3.04 cm / year on Oxfordian marl, 1.67 cm / year on Bathonian marl and 1.9 cm / year on Callovian marl. The Oxfordian marl are most affected by erosion phenomena. There is a positive correlation between erosion rates and vegetation cover. The 'TCSP' model developed in this study offers a considerable advantage in identifying areas of ablation or sedimentation in order to treat and reduce erosion rates.
Authors and Affiliations
GUERINE LAKHDAR
Keywords
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