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Analysis of the Hazard, Vulnerability, and Exposure to the Risk of Flooding (Alba de Yeltes, Salamanca, Spain)

1
Department of Geology, Faculty of Sciences, University of Salamanca, Salamanca 37008, Spain
2
Department of Soil Sciences, Faculty of Environmental Sciences, University of Salamanca, Salamanca 37007, Spain
*
Author to whom correspondence should be addressed.
Appl. Sci. 2017, 7(2), 157; https://doi.org/10.3390/app7020157
Received: 26 November 2016 / Accepted: 3 February 2017 / Published: 8 February 2017
The present work has developed a method using GIS technology to evaluate the danger, vulnerability, and exposure to the risk of flooding in the Alba de Yeltes area (Salamanca, Spain). It is a non-structural measure for the prevention and mitigation of the risk of extraordinary flooding. After completing a full analysis of the physical environment (climate, geology, geomorphology, hydrology, hydrogeology, and land use), hydrological-hydraulic modeling was carried out using the GeoHecRas river analysis software. The results obtained from the analysis and the models have generated a danger map that facilitates the efficient evaluation of the spatial distribution of the different severity parameters (depth of the watersheet, current flow rate, and flood-prone areas). Also, map algebra and the databases associated with GIS tools, together with the vulnerability and exposure cartography, have allowed the risk to be analyzed in an integrate manner and the production of an environmental diagnostic map. The results of this study propose that there are inhabited areas close to the Yeltes-Morasverdes riverbed that have a high risk of flooding, indicating the need for proper land planning and the implementation of a series of measures that will help to reduce the risk of flooding and its impact. View Full-Text
Keywords: flood risk; environmental impacts; environmental diagnostic; environmental planning; GIS flood risk; environmental impacts; environmental diagnostic; environmental planning; GIS
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Veleda, S.; Martínez-Graña, A.; Santos-Francés, F.; Sánchez-SanRoman, J.; Criado, M. Analysis of the Hazard, Vulnerability, and Exposure to the Risk of Flooding (Alba de Yeltes, Salamanca, Spain). Appl. Sci. 2017, 7, 157.

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