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Flood Susceptibility Mapping by Integrating GIS‐Based Approach and Analytical Hierarchy Process (AHP): Wolaita Zone, Ethiopia

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Veröffentlicht in:Journal of Flood Risk Management vol. 18, no. 4 (Dec 1, 2025)
1. Verfasser: Fakana, Selemon Thomas
Weitere Verfasser: Falta, Fekadu Fanjana, Feleha, Debebe Dana
Veröffentlicht:
John Wiley & Sons, Inc.
Schlagworte:
US Geological Survey
Ethiopia
Warning systems
Developing countries
Datasets
Environmental degradation
Flood damage
Early warning systems
Geographic information systems
Topography
Disasters
Remote sensing
Flood hazards
Developing countries > LDCs
Flooding
Damage
Mapping
Climate change
Fatalities
Precipitation
Emergency communications systems
Hierarchies
Floods
Geographical information systems
River networks
Analytic hierarchy process
Displaced persons
Flood mapping
Drainage
Hydrology
Economic impact
Financial resources
Machine learning
Vegetation
Hazard mitigation
Land use
Storm damage
Environmental
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Abstract:ABSTRACT Flooding is among the most devastating natural catastrophes affecting human life and property. Climate change and environmental degradation have exacerbated flooding disasters. Developing countries experience greater damage from flooding due to their low resilience, limited financial resources, weak early warning systems, and technological limitations. Accurate data, prediction, delineation of vulnerable areas, and formulation of local action plans can help minimize the extent of economic losses and fatalities due to flooding. In the current study area, limited data are available to lessen flood potential risks. Remote sensing and GIS approaches were adopted for mapping potential flood‐susceptible areas. Topographical, hydrological, and spectral indices conditioning factors were integrated, and a weighted overlay analysis was performed in ArcGIS. The results revealed that about 8.73%, 77.16%, and 14.08% of the study region are categorized as susceptible, moderately susceptible, and less susceptible to flooding, respectively. The findings would help government authorities and relevant bodies in developing early warning systems, advancing technology, creating local action plans, and formulating flood hazard mitigation and adaptation strategies.
ISSN:1753-318X
DOI:10.1111/jfr3.70166
Quelle:Engineering Database