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

Carvalho, Breylla Campos; Araujo, Thalles Augusto Abreu; Guerra, Josefa Varela; dos Reis, Antonio Tadeu

doi:10.1007/s41208-023-00618-6

Thalassas

2023

DOI: 10.1007/s41208-023-00618-6

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

Breylla Campos Carvalho,

Thalles Augusto Abreu Araujo,

Josefa Varela Guerra

et al.

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Spatio-temporal morphological variability of a tropical barrier island derived from the Landsat collection

Carvalho

Gomes

Guerra

2023

Front. Remote Sens.

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Barrier islands are low-lying elongated, narrow sandy deposits, usually parallel to the coastline, separated from the continent by a lagoon. Due to their low elevation above sea level, barrier islands are environments susceptible to drastic morphological changes depending on the meteo-oceanographic conditions to which they are subjected. This work presents the morphological changes between 1985 and 2021 in “Restinga da Marambaia”—a 40 km long barrier island on Brazil’s Southeastern coast. One hundred thirty-four scenes from the Landsat collection were processed, enabling the quantification of the barrier island area. Additionally, the rates of change in the position of the shorelines facing the Atlantic Ocean, Sepetiba Bay, and Marambaia Bay were computed. The barrier island’s total area and the central sector’s width present significant seasonal variability, which is maximum during the austral fall and winter seasons. On the shores facing the Atlantic Ocean and Sepetiba Bay, it is noted that the central and far eastern sectors show an erosional trend. In contrast, the coastline is more stable on the shore facing Marambaia Bay. The seasonal variations of the barrier island area occur during a period of low rainfall and more energetic waves associated with local winds, which produce coastal currents, transporting the available sediments.

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Spatio-temporal morphological variability of a tropical barrier island derived from the Landsat collection

Carvalho

Gomes

Guerra

2023

Front. Remote Sens.

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

Cited by 1 publication

References 43 publications

Spatio-temporal morphological variability of a tropical barrier island derived from the Landsat collection

Spatio-temporal morphological variability of a tropical barrier island derived from the Landsat collection

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