TITLE:
Contribution of a Geographical Information System to the Study of Soil Loss Dynamics in the Lobo Catchment (Côte d’Ivoire)
AUTHORS:
Jean-Philippe Attoungbré Deguy, Alexis Yao N’Go, Hervé Kouakou Kouassi, Emile Gneneyougo Soro, Albert Tié Bi Goula
KEYWORDS:
Water Erosion, Soil Loss, Universal Soil Loss Equation, Geographical Information System, Lobo
JOURNAL NAME:
Journal of Geoscience and Environment Protection,
Vol.6 No.9,
September
25,
2018
ABSTRACT: The Lobo watershed is highly anthropogenic since it has become the main
production area for cocoa and coffee in C?te d’Ivoire. It therefore seems important
to quantify soil loss by water erosion in this region. The Wischmeier
modeling was used to model the main factors involved in erosive phenomena.
Crosscutting of thematic maps and the application of the USLE formulas
made possible to evaluate the erosion rate at the watershed scale in 1986 and
2014. Although soil is susceptible to erosion and erosivity is increased, the
results indicate a growth in soil loss estimated at 90.12%. Some agroforestry
efforts are still possible to help reducing those soil losses.