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Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management
Published on: September 12, 2017
Evaluation of soil erosion risk using Analytic Network Process and GIS: a case study from Spanish mountain olive
Olexandr Nekhay1, Manuel Arriaza, Luc Boerboom
1Institute of Agricultural and Fishery Research and Training (IFAPA), Centro Alameda del Obispo, Avda. Menéndez Pidal, s/n. P.O. Box 3.092, 14080 Córdoba, Spain. bv2nekha@uco.es
Abstract:
The study presents an approach that combined objective information such as sampling or experimental data with subjective information such as expert opinions. This combined approach was based on the Analytic Network Process method. It was applied to evaluate soil erosion risk and overcomes one of the drawbacks of USLE/RUSLE soil erosion models, namely that they do not consider interactions among soil erosion factors. Another advantage of this method is that it can be used if there are insufficient experimental data. The lack of experimental data can be compensated for through the use of expert evaluations. As an example of the proposed approach, the risk of soil erosion was evaluated in olive groves in Southern Spain, showing the potential of the ANP method for modelling a complex physical process like soil erosion.
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