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Start Over Descriptor "NW Iberian Atlantic coast" Topic holocene
2 results on '"NW Iberian Atlantic coast"'

1. New Model of Coastal Evolution in the Ria de Vigo (NW Spain) from MIS2 to Present Day Based on the Aeolian Sedimentary Record.

Author

Arce-Chamorro, Carlos, Vidal-Romaní, Juan Ramón, and Sanjurjo-Sánchez, Jorge

Subjects
MARINE transgression, ABSOLUTE sea level change, SAND dunes, COASTS, HOLOCENE Epoch, VALLEYS
Abstract

Galician Rias are fluvial valleys that were flooded during the last marine transgression in the Atlantic margin. The study of fossil dunes in the Cies Islands, a small archipelago in the mouth of the one of the rias (Ria de Vigo), allowed us to reconstruct the coastal evolution from the end of the Late Pleistocene to the present day. During this period, sea-level was 100 metres below the present one and the shoreline located about 5–10 kilometres away. About 15,000 years ago, sea-level rise began, radically modifying the coastline. This started with a gradual advance of large dune fields on both sides of the valley. The aeolian accretion continued until the Late Holocene, finishing when the sea reached its present level. [ABSTRACT FROM AUTHOR]

Published
2022
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2. New Model of Coastal Evolution in the Ria de Vigo (NW Spain) from MIS2 to Present Day Based on the Aeolian Sedimentary Record

Author

Juan Ramón Vidal Romani, Arce-Chamorro Carlos, and Jorge Sanjurjo-Sanchez

Subjects
OSL-dating, MIS2, Holocene, Aeolian accretion, coastal dunes, sea-level, submerged forest, Ria de Vigo, NW Iberian Atlantic coast, Ocean Engineering, Submerged forest, Coastal dunes, Water Science and Technology, Civil and Structural Engineering, Sea-level
Abstract

This article belongs to the Special Issue Recent Advances in Geological Oceanography [Abstract] Galician Rias are fluvial valleys that were flooded during the last marine transgression in the Atlantic margin. The study of fossil dunes in the Cies Islands, a small archipelago in the mouth of the one of the rias (Ria de Vigo), allowed us to reconstruct the coastal evolution from the end of the Late Pleistocene to the present day. During this period, sea-level was 100 metres below the present one and the shoreline located about 5–10 kilometres away. About 15,000 years ago, sea-level rise began, radically modifying the coastline. This started with a gradual advance of large dune fields on both sides of the valley. The aeolian accretion continued until the Late Holocene, finishing when the sea reached its present level. This research was funded and supported by Xunta de Galicia (programmes ED431B 2018/47 and ED431B 2021/17) through the Grupo Interdisciplinar de Patrimonio Cultural e Xeolóxico (CULXEO) Xunta de Galicia; ED431B 2018/47 Xunta de Galicia; ED431B 2021/17

Published
2022

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