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Coastal vulnerability of Santa Catarina State to extreme events

Grant number: 15/10422-5
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2015
Effective date (End): January 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Oceanography - Geological Oceanography
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Eduardo Siegle
Grantee:Mirela Barros Serafim
Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The coastal zone of Santa Catarina state is submitted to particular oceanographic and meteorological conditions. The passage of cold fronts over this area influences extreme events of meteorological tides associated to storm waves (storm surges), which can lead to episodes of flooding by sea water and beach erosion causing damage to the coastal zone - especially when associated with astronomical spring tides. Since the sandy beaches are the predominant environments along Santa Catarina's coastline and have high social and economic value due to the variety of activities undertaken at these sites and the high population density in coastal cities, the study of coastal vulnerability becomes of great relevance. This study presents a methodological alternative for the mapping of coastal vulnerability to extreme events of waves and tides, in Santa Catarina state, from the creation of a multicriteria index and the use of a Geographical Information System. The variables incorporated into the index include both physical characteristics, related to damping of marine incident energy on the coast, as socioeconomic components that influence the adaptability of population to coastal impacts. In addition to checking the realistic character of the model by comparing with the bibliographic reference, local analyzes will be performed. The variables chosen for regional analysis will be studied in a greater detail, considering the representativeness of the data at different scales. The identification of the most relevant variables in determining the coastal vulnerability of the state will be obtained through statistical analysis. This study will provide information about the relative predisposition of different sectors of the coastline to be affected by hazards. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SERAFIM, MIRELA BARROS; SIEGLE, EDUARDO; CORSI, ALESSANDRA CRISTINA; BONETTI, JARBAS. Coastal vulnerability to wave impacts using a multi-criteria index: Santa Catarina (Brazil). Journal of Environmental Management, v. 230, p. 21-32, JAN 15 2019. Web of Science Citations: 6.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SERAFIM, Mirela Barros. Coastal vulnerability assessment of Santa Catarina´s beaches to waves using a multicriteria index. 2017. Master's Dissertation - Universidade de São Paulo (USP). Instituto Oceanográfico São Paulo.

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