Identification of coastal natural disasters using official databases to provide support for the coastal management: the case of Santa Catarina, Brazil

Karine Bastos Leal (), Luís Eduardo de Souza Robaina, Thales Sehn Körting, João Luiz Nicolodi, Júlia Dasso Costa and Vitória Gonçalves Souza
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Karine Bastos Leal: Federal University of Rio Grande do Sul
Luís Eduardo de Souza Robaina: Federal University of Santa Maria
Thales Sehn Körting: National Institute for Space Research
João Luiz Nicolodi: Federal University of Rio Grande
Júlia Dasso Costa: Federal University of Rio Grande
Vitória Gonçalves Souza: Federal University of Rio Grande

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2024, vol. 120, issue 12, No 42, 11465-11482

Abstract: Abstract The increase in natural disaster frequency, intensified by climate change, poses one of the greatest threats to coastal systems and low-lying areas worldwide. It is estimated that the Global Mean Sea Level (GMSL) could rise by approximately 2 m in the twenty-first century, alongside intensifying cyclonic events. Consequently, in Brazil, coastal natural disasters are likely to become more frequent and intense, especially in the southern region. Thus, this study aims to identify, map and discuss coastal natural disasters in municipalities exposed to the open ocean belonging to the coastal zone of Santa Catarina (SC), Brazil, between 1998 and 2020. A review and dating of coastal natural disasters were conducted using four official databases: The Civil Defense of Santa Catarina website, Integrated Disaster Information System (S2ID), Santa Catarina Atlas of Natural Disasters, and the Brazilian Atlas of Natural Disasters. The data were organized into spreadsheets and mapped using QGIS 3.16.0 software. The results and main conclusions indicate: (1) More coastal disasters occurred in the north, central-north, and central sectors of SC between 1998 and 2020; (2) the period between 2010 and 2020 was more impactful; (3) the municipalities with the most records of coastal disasters were Balneário Barra do Sul, Itapoá and Florianópolis (considering only Ilha de Santa Catarina), respectively; (4) the three fastest-growing sectors are the north, central-north, and central; and (5) the seasons of autumn, spring, and winter, respectively, are more impacting for the study area.

Keywords: Coastal zone; Coastal erosion; Storm surge; Sea-level rise; Cyclones; Climate change (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11069-023-06150-3

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