The Response of Sandstone Sea Cliffs to Holocene Sea-Level Rise by Means of Remote Sensing and Direct Surveys: The Case Study of Punta Licosa Promontory (Southern Italy)
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Published:2023-04-17
Issue:4
Volume:13
Page:120
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ISSN:2076-3263
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Container-title:Geosciences
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language:en
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Short-container-title:Geosciences
Author:
Tursi Maria Francesca1ORCID, Amodio Antonio Minervino2ORCID, Caporizzo Claudia1ORCID, Del Pizzo Silvio1ORCID, Figliomeni Francesco Giuseppe1ORCID, Mattei Gaia1ORCID, Parente Claudio1ORCID, Rosskopf Carmen M.3ORCID, Aucelli Pietro P. C.1ORCID
Affiliation:
1. Department of Science and Technology, University of Naples Parthenope, Centro Direzionale Is.C4, 80121 Napoli, Italy 2. National Research Council (CNR), Institute of Heritage Science (ISPC), 85050 Tito, Italy 3. Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, 86090 Pesche, Italy
Abstract
Punta Licosa promontory is located in the northern part of the Cilento coast, in the southern Tyrrhenian basin. This promontory is bordered by sea cliffs connected to a wide shore platform sloping slightly towards the sea. This area has been considered stable at least since Late Pleistocene, as testified by a series of evidence well known in the literature. The aim of this research is to reconstruct the main coastal changes that have occurred in this area since the middle Holocene by means of the literature data, aerial photo interpretation, satellite images, GPS measurements, direct underwater surveys, GIS elaborations of high-resolution DTMs, bathymetric data and high-resolution orthophotos taken by UAV. Particular attention was paid to the wide platform positioned between −7.2 ± 1.2 m MSL and the present MSL, this being the coastal landform interpreted as the main consequence of sea cliff retreat. The elevation of this landform was compared with the GIA models calculated for the southern Tyrrhenian area, allowing establishing that it was shaped during the last 7.6 ± 1.1 ky BP. Moreover, the interpretation of archaeological and geomorphological markers led to the reconstruction of the shoreline evolution of this coastal sector since 7.6 ky BP. This research evaluates the cliff retreat under the effect of Holocene RSL variation on Cilento promontories, located in the western Mediterranean and characterised by the presence of monophasic platforms, and the applied method can be considered more effective and less complex and expensive if compared to other effective approaches such as those based on the usage of cosmogenic nuclides.
Subject
General Earth and Planetary Sciences
Reference106 articles.
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