Skip to main content
Log in

Mean Sea Level Trends Based on Tide Gauge Records and Their Possible Morphological Effects on the Coastline of Southern Rio de Janeiro (SE Brazil)

  • Published:
Thalassas: An International Journal of Marine Sciences Aims and scope Submit manuscript

Abstract

The present work analyzes mean sea level (MSL) measurements recorded by a tide gauge installed at Ilha Fiscal (Guanabara Bay, Rio de Janeiro, SE Brazil). For this purpose, a time series spanning 54 years (1963–2017) was processed and filtered for one (yearly averages), four, and twelve (monthly averages) elements per year. In addition, possible climate teleconnections were verified through the SOI, TSA, and AMM indices for the same period, resulting in non-existent or weak correlations. MSL trends were calculated using first, second, and third-degree polynomials. Sea level projections for 2100 were compared with scenarios proposed by the Intergovernmental Panel on Climate Change (IPCC). The lowest MSL rising rate, 2.42 mm/year, was determined through linear regression (first-degree polynomial), with a slight deceleration from 1989 to 2016 (1.93 mm/year). The contours of possible future coastlines of the southern Rio de Janeiro area were drawn, illustrating the implications of shoreline retreat ranging between ~ 40 and ~ 500 m by 2100. In general, the projection for the end of this century points to relevant impacts on the studied area, including breaching the Marambaia barrier island central sector, where an opening as wide as 12–14 km could develop.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7

Similar content being viewed by others

Notes

  1. Data available at https://www.sonel.org.

References

Download references

Acknowledgements

This study was partially funded by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Brasil (CAPES) – Finance Code 001, as Ph.D. scholarship (DS) and Doctoral Exchange Program PDSE [process #88881.132411/206-01, number 19/2016] to the first author. We also thank Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ) for the project financial support [FAPERJ PENSA RIO E-26/010.003024/2014 and E-26/010.002208/2019]. We want to thank Professor Antonio Hougane of Eduardo Mondlane University (Mozambique) and the Intergovernmental Oceanographic Commission (IOC-UNESCO) for granting the first two authors a course on Tidal Spectral Analysis in January 2019 through the Ocean Teacher Global Academy (OTGA).

Author information

Authors and Affiliations

Authors

Contributions

B.C.C.: Conceptualization; Investigation; Formal Analysis; Writing – original draft; Writing – review & editing;T.A.A.A.: Methodology; Software; Formal Analysis; Investigation;J.V.G.: Supervision; Resources; Project Administration; Funding Acquisition; Writing – review & editing.A.T.R.: Resources; Funding Acquisition; Investigation; Writing – review & editing.

Corresponding author

Correspondence to Breylla Campos Carvalho.

Ethics declarations

Competing Interests

The authors declare no competing interests.

Additional information

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Carvalho, B.C., Araujo, T.A.A., Guerra, J.V. et al. Mean Sea Level Trends Based on Tide Gauge Records and Their Possible Morphological Effects on the Coastline of Southern Rio de Janeiro (SE Brazil). Thalassas 40, 261–272 (2024). https://doi.org/10.1007/s41208-023-00618-6

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s41208-023-00618-6

Keywords

Navigation