Arid
DOI10.1007/s12517-021-07602-5
Water erosion hazard mapping using analytic hierarchy process (AHP) and fuzzy logic modeling: a case study of the Chaffar Watershed (Southeastern Tunisia)
Neji, Nouha; Ben Ayed, Rami; Abida, Habib
Corresponding AuthorNeji, N (corresponding author), Univ Sfax, Fac Sci, Lab Modeling Geol & Hydrol Syst GEOMODELE LR16ES1, Sfax 3000, Tunisia.
JournalARABIAN JOURNAL OF GEOSCIENCES
ISSN1866-7511
EISSN1866-7538
Year Published2021
Volume14Issue:13
Abstract in EnglishWater erosion is one of the most severe environmental problems, especially in arid and semi-arid regions. It is responsible for soil loss and degradation of ecosystems. This study is interested in mapping water erosion hazard (WEH) in the Chaffar Watershed (Southeastern Tunisia), using analytical hierarchy process (AHP) and fuzzy logic modeling. The importance of major factors affecting erosion (field slope, soil lithology, vegetation index, land use, and rainfall) was inspired from a review of the literature, field investigations, and experts' knowledge. Water erosion conditioning factors and their spatial distributions were evaluated in a geographic information system (GIS). Water erosion hazard maps, simulated by AHP and fuzzy logic, were validated by field observations and Sentinel-2 satellite images. The resulting erosion hazard maps were found to be compatible with the results derived from the Sentinel-2 images. The receiver operating characteristic (ROC) curve validation result shows that, compared to the AHP model (AUC=84.7%), the fuzzy logic model (AUC =90.5%) predicted slightly better water erosion in the Chaffar Watershed. Generally, a moderate hazard of water erosion was found throughout the study watershed. The area characterized by a high to very high risk of water erosion was estimated to be 25% and 32% using fuzzy logic and AHP methods respectively. Highly eroded areas, which are quite limited, require immediate action.
Keyword in EnglishWater erosion Analytic hierarchy process Fuzzy logic Satellite images GIS Tunisia
SubtypeArticle
Language英语
Indexed BySCI-E
WOS IDWOS:000662994600007
WOS KeywordSOIL-EROSION ; FREQUENCY RATIO ; SEDIMENT YIELD ; LAND-USE ; SUSCEPTIBILITY ; GIS ; FRAMEWORK ; BASIN ; RUSLE
WOS SubjectGeosciences, Multidisciplinary
WOS Research AreaGeology
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/349578
Affiliation[Neji, Nouha; Abida, Habib] Univ Sfax, Fac Sci, Lab Modeling Geol & Hydrol Syst GEOMODELE LR16ES1, Sfax 3000, Tunisia; [Ben Ayed, Rami] Minist Agr CRDA Sfax, Water & Soil Conservat Dept, Reg Off, Sfax 3018, Tunisia
Recommended Citation
GB/T 7714
Neji, Nouha,Ben Ayed, Rami,Abida, Habib. Water erosion hazard mapping using analytic hierarchy process (AHP) and fuzzy logic modeling: a case study of the Chaffar Watershed (Southeastern Tunisia)[J],2021,14(13).
APA Neji, Nouha,Ben Ayed, Rami,&Abida, Habib.(2021).Water erosion hazard mapping using analytic hierarchy process (AHP) and fuzzy logic modeling: a case study of the Chaffar Watershed (Southeastern Tunisia).ARABIAN JOURNAL OF GEOSCIENCES,14(13).
MLA Neji, Nouha,et al."Water erosion hazard mapping using analytic hierarchy process (AHP) and fuzzy logic modeling: a case study of the Chaffar Watershed (Southeastern Tunisia)".ARABIAN JOURNAL OF GEOSCIENCES 14.13(2021).
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