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Hazard, vulnerability and coastal erosion risk assessment in Necochea Municipality, Buenos Aires Province, Argentina

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Abstract

This contribution determines the coastal erosion risk of Necochea and Quequén cities, Necochea Municipality, Buenos Aires Province (Argentina). Both risk components, hazard and vulnerability, were assessed by the construction of indices. The hazard index is composed of four indicators: the erosion or accretion rate, coastal geomorphology, storm waves effects, and sediment supply. The vulnerability index is comprised of land use/cover, demographic, life conditions, and work and consumption indicators, and includes population census data such as demographic, education, health, sanitary, economic, production, work and population exposure aspects. The analysis concluded that coastal erosion risk ranges from very low to high along the study area, Quequén yielding the highest values. Risk levels vary in both cities based on the uneven spatial distribution of hazard. The risk assessment developed herein constitutes a practical and adequate tool that can be utilized with other elements and tasks in the elaboration of a coastal management program.

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Acknowledgments

The authors would like to thank the Consorcio de Gestión de Puerto Quequén and Necochea Municipality (M. Sarasíbar and G. Molina) for the data provided.

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Authors and Affiliations

  1. Instituto de Investigaciones Marinas y Costeras, Consejo Nacional de Investigaciones Científicas y Técnicas (IIMyC-CONICET), Mar del Plata, Argentina

    Alejandra Merlotto & Germán Ricardo Bértola

  2. Instituto de Geología de Costas y del Cuaternario, Universidad Nacional de Mar del Plata, CC 722-Correo Central (7600), Mar del Plata, Argentina

    Alejandra Merlotto & Germán Ricardo Bértola

  3. Instituto Argentino de Oceanografía (IADO-CONICET), CC 804 Florida 8000 (Camino La Carrindanga km 7.5), Edificio E1 (B8000FWB), Bahía Blanca, Argentina

    María Cintia Piccolo

  4. Departamento de Geografía y Turismo, Universidad Nacional del Sur, Bahía Blanca, Argentina

    María Cintia Piccolo

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  1. Alejandra Merlotto
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  2. Germán Ricardo Bértola
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  3. María Cintia Piccolo
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Correspondence to Alejandra Merlotto.

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Merlotto, A., Bértola, G.R. & Piccolo, M.C. Hazard, vulnerability and coastal erosion risk assessment in Necochea Municipality, Buenos Aires Province, Argentina. J Coast Conserv 20, 351–362 (2016). https://doi.org/10.1007/s11852-016-0447-7

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