Inundação Costeira por Elevação do Nível do Mar em Imbé e Tramandaí - RS

Ana Fatima da Silva; Elírio Ernestino Toldo Junior; Arnold Van Rooijen; Cláudia Franca Abreu; Jorge Luiz Rodrigues Filho; Ronaldo dos Santos  Rocha; Robson dos Santos Aquino

doi:10.14393/rbcv72n3-48706

PDF (Português (Brasil))

Published: Sep 22, 2020

DOI: https://doi.org/10.14393/rbcv72n3-48706

Keywords:

Coastal flood., Digital elevation model., Sea level rise., Coastal management.

Ana Fatima da Silva

UFRGS

https://orcid.org/0000-0002-4549-4265

Elírio Ernestino Toldo Junior

Universidade Federal do Rio Grande do Sul. Centro de Estudos de Geologia Costeira e Oceânica

https://orcid.org/0000-0002-5609-4339

Arnold Van Rooijen

The University of Western Australia, School of Earth Sciences, WA, Australia.

https://orcid.org/0000-0002-5013-2592

Cláudia Franca Abreu

The University of Western Australia, School of Agriculture and Environment

https://orcid.org/0000-0001-9287-7843

Jorge Luiz Rodrigues Filho

Universidade do Estado de Santa Catarina

https://orcid.org/0000-0002-3681-9806

Ronaldo dos Santos Rocha

Universidade Federal do Rio Grande do Sul.

https://orcid.org/0000-0003-3135-2730

Robson dos Santos Aquino

Universidade Federal do Rio Grande do Sul.

https://orcid.org/0000-0002-3863-9411

Abstract

One of the consequences of sea level rise is the predisposition of the population and the ecosystem to coastal flooding. The vulnerability can cause distinct impacts depending on the elevation of the terrain and the extent of the occupied area. Imbé and Tramandaí located on the northern coast of RS are two municipalities that present low elevation and densely occuppied area. A bathtub model was created from topographic data to determine flood levels. Seven sea level rise scenarios were considered, based on a set of extreme marine events recorded in the study area, resulting from the sum of the following variables: tidal and sub-tidal oscillation, and wave run-up. In addition to the current sea conditions, future projections of sea level variation were incorporated in this analysis according to the IPCC. The lowest level of elevation of the level was 2.07 m and the highest of 4.33 m. The maps generated made it possible to describe the vulnerability to sea level rise, as well as to recognize the sites with the largest flood levels. The analysis of the results showed that the extent of vulnerable areas will increase with time and that the coastal management plans of the municipalities should address this in order to mitigate the consequences of possible flooding.

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How to Cite

SILVA, A. F. da; TOLDO JUNIOR, E. E.; VAN ROOIJEN, A.; ABREU, C. F.; RODRIGUES FILHO, J. L.; ROCHA, R. dos S. .; AQUINO, R. dos S. Coastal Flooding by Elevation of the Sea Level in Imbé and Tramandaí - RS. Brazilian Journal of Cartography, [S. l.], v. 72, n. 3, p. 541–557, 2020. DOI: 10.14393/rbcv72n3-48706. Disponível em: https://seer.ufu.br/index.php/revistabrasileiracartografia/article/view/48706. Acesso em: 21 nov. 2024.

Issue

Vol. 72 No. 3 (2020): July/September

Section

Original Articles

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Author Biographies

Ana Fatima da Silva, UFRGS

Ana holds a degree in Oceanography from the University of the Vale do Itajaí (UNIVALI), completed in 2006 and a master's degree from the Federal University of Santa Catarina (UFSC), completed in 2010. Currently attending a doctorate at the Federal University of Rio Grande do Sul, in the area of Marine Geology. He works in Research Projects of the Center for the Study of Coastal and Oceanic Geology (CECO). She was a substitute professor at the State University of Santa Catarina (UDESC) and is currently a professor at the University of Southern Santa Catarina (UNISUL). Has experience in the areas of Coastal Management, Marine Geology, Coastal Geomorphology and Environmental Education.

Elírio Ernestino Toldo Junior, Universidade Federal do Rio Grande do Sul. Centro de Estudos de Geologia Costeira e Oceânica

Graduated in Geology and PhD in Geosciences by the Federal University of Rio Grande do Sul. He is a Professor in the Department of Mineralogy and Petrology (DEMIPE-IG-UFRGS), responsible for the disciplines of Sedimentology I, Marine and Coastal Geology in the course of Graduation in Geology, and Coastal Processes in the Graduate Program in Geosciences. Author of scientific publications in national and international journals, development of software and technological products, guidelines of PhD Theses, Master Dissertations and Postdoctoral supervision. Guest Editor of Deep Sea Research II and Guest Editor of the Environmental Monitoring and Assessment.

Arnold Van Rooijen, The University of Western Australia, School of Earth Sciences, WA, Australia.

Arnold van Rooijen obtained his MSc degree from Delft University of Technology in 2011 in the field of coastal engineering and morphology. In September 2011 he joined Deltares as coastal engineer / researcher in the unit of Marine and Coastal Systems. Since then he has been involved in several morphological studies along the Dutch coast, as well as several international (e.g. USA, Iraq, Singapore, New-Zealand) research projects related to coastal hydro- and morphodynamics. In October 2015, Arnold was appointed as local representative for Deltares in Western Australia. He combines this position with his PhD research at the University of Western Australia in Perth. His research focuses on the interaction between coastal vegetation and hydro- and morphodynamics.

Cláudia Franca Abreu, The University of Western Australia, School of Agriculture and Environment

Cláudia holds a degree in oceanography and a master's degree in Coastal and Marine Engineering and Management. Currently PhD candidate at the school of Agriculture and Environment in Human Geography at the University of Western Australia. Claudia's research is about the revitalization of culture and it's relationship with Indigenous wellbeing and resilience. She works with the Guarani people of Southern Brazil. She also has interest in climate adaptation of indigenous communities in coastal areas.

Jorge Luiz Rodrigues Filho, Universidade do Estado de Santa Catarina

Jorge holds a degree in Biological Sciences from the Federal University of São Carlos (UFSCar). In the same institution, he studied a master's and doctorate in Ecology and Natural Resources by PPGERN. Between his doctoral years (2009-2013), he worked as a consultant / researcher at the International Institute of Ecology (IIE), where he worked on a series of projects and studies in different phases of environmental licensing of hydroelectric projects (Environmental characterization, EIAs and PBAs). Currently, he is an effective professor at the State University of Santa Catarina (UDESC / Laguna-SC), where he coordinates the Ecology Laboratory. In his research, he seeks to use ecological theory and statistical methods on issues involving the use and conservation of natural resources in aquatic ecosystems.

Ronaldo dos Santos Rocha, Universidade Federal do Rio Grande do Sul.

He holds a degree in Cartographic Engineering from the State University of Rio de Janeiro (1987), a Master's Degree in Geodesic Sciences from the Federal University of Paraná (1994) and a PhD in Production Engineering from the Federal University of Santa Catarina (2002). He is currently an Associate Professor at the Federal University of Rio Grande do Sul, coordinator of LACAAP - Laboratory of Applied Cartography at UFRGS and member of the Graduation Commission of the Cartographic Engineering Course. He has experience in the area of Geosciences, with emphasis on Cartography, Geodesy and Geoprocessing, working mainly in the following subjects: urban and rural cadastre, cartographic quality, geoprocessing, geodetic network, digital cartography and geographic information systems. He is currently President of the Brazilian Association of Engineers Cartographers regional Rio Grande do Sul.

Robson dos Santos Aquino, Universidade Federal do Rio Grande do Sul.

Robson holds a master's degree in geosciences, a marine geology concentration area, and a postgraduate program in geosciences at Ufrgs. He holds a degree in Geology from the Federal University of Rio Grande do Sul (2000) and a hydrology technician from the Ufrgs Institute for Hydraulic Research (1994). is an administrative technician at the Federal University of Rio Grande do Sul. He has experience in the area of Geosciences, with emphasis on Gravimetry, topography and cartography, working mainly on the following topics: geodesy, topographic surveys and potential geophysical methods (magnetometry and gravimetry).