New data on Holocene relative sea level along the Abruzzo coast (central Adriatic, Italy)

L. Parlagreco, F. Mascioli, E. Miccadei, F. Antonioli, D. Gianolla, S. Devoti, G. Leoni, S. Silenzi

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Abstract

A continuously cored borehole was used to analyse Holocene relative sea-level changes in the Pescara coastal plain, located along the central Adriatic coast (Abruzzo, central Italy). The core was retrieved from the uppermost 19m deposits, 600m from the present-day shoreline. Sedimentological and palaeontological analyses identified a transition from fluvial strata to brackish-water, lagoon and foreshore deposits. Five biological sea-level markers were sampled and their ages, constrained by AMS14C dating, span between 2.39 and 7.68kacalBP. Heights (m above mean sea level) of the collected samples have been corrected, taking into consideration uncertainties of the vertical positioning with respect to palaeo-sea level. Vertical tectonic displacements have been evaluated through the comparison of relative sea-level data with the site-specific predicted Holocene sea-level curve. Correlations with available morphotectonic and stratigraphic data also were used. The results suggest negligible rates of vertical tectonic displacement during the Holocene, at least along a coastal strip of 40km located between Pescara and Sangro river mouths (Abruzzo). © 2010 Elsevier Ltd and INQUA.
Original languageEnglish
Pages (from-to)179 - 186
Number of pages8
JournalQuaternary International
Volume232
Issue number1-2
DOIs
Publication statusPublished - 15 Feb 2011
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Earth-Surface Processes

Cite this

Parlagreco, L., Mascioli, F., Miccadei, E., Antonioli, F., Gianolla, D., Devoti, S., ... Silenzi, S. (2011). New data on Holocene relative sea level along the Abruzzo coast (central Adriatic, Italy). Quaternary International, 232(1-2), 179 - 186. https://doi.org/10.1016/j.quaint.2010.07.021