Enviromnental analysis of cores from the Helike Delta, Gulf of Corinth, Greece

S. Soter, P. Blackwelder, C. Tziavos, D. Katsonopoulou, T. Hood, C. Alvarez-Zarikian

Research output: Contribution to journalReview articlepeer-review

12 Scopus citations

Abstract

The fall delta southeast of Aigion on the southwest shore of the Gulf of Corinth was the site of ancient Helike, a city destroyed and submerged by an earthquake and seismic sea wave in 373 BC. Bore holes drilled on the Helike Delta yielded numerous ceramic fragments in the upper 12 meters, and a record of changing local environments on the delta during the Holocene period. At about 8 m below present sea level the core profiles show a general upward transition from marine to lacustrine/lagoonal conditions. The transition dates from about 8 kyr BP and is probably due to the deceleration of global sea level rise at the end of the last Ice Age. The deceleration apparently induced an upward and seaward progression, of a zone of green clay and silt associated with brackish fauna.

Original languageEnglish (US)
Pages (from-to)95-106
Number of pages12
JournalJournal of Coastal Research
Volume17
Issue number1
StatePublished - 2001
Externally publishedYes

Keywords

  • Delta
  • Greece
  • Holocene
  • Microfauna
  • Transgression

ASJC Scopus subject areas

  • Ecology
  • Water Science and Technology
  • Earth-Surface Processes

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