Abstract
Abstract The eastern Acheloos River delta and the Lagoon of Etoliko have undergone broad environmental changes since the mid-Holocene. In this study, sedimentological, geochemical, geophysical, micromorphological, computer tomographical, micro- and macrofaunal, and archaeobotanical methods were applied to determine lateral and vertical facies patterns of near-coast geological archives. We present the stratigraphic sequences of 13 vibracores and one 9-m-long sediment core from the Lagoon of Etoliko. Geochronology was based on 28 radiocarbon dates. Sea-level fluctuations were detected by means of sedimentological sea-level markers. The relative sea level rose from 12.70 m below sea level (b.s.l.) at 6150 cal BC to 7.90 m b.s.l. by 4750 cal BC and 2.60 m b.s.l. by 500 cal BC. The maximum rate of rise occurred until 5550 cal BC, and the lowest, between Helladic and Byzantine times. Delta growth clearly increased after the relative sea-level rise decelerated around 5500 cal BC. Palaeogeographical maps for diff...
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