Solar-forced 2600 BP and Little Ice Age highstands of the Caspian Sea.

S.B. Kroonenberg, G.M. Abdurakhmanov, E.N. Badyukova, K. van der Borg, A. Kalashnikov, N.S. Kasimov, G.I. Rychagov, A.A. Svitoch, H.B. Vonhof, F.P Wesselingh

    Research output: Contribution to JournalArticleAcademicpeer-review


    The level of the Caspian Sea, the largest inland sea in the world, has fluctuated capriciously in history, with amplitudes up to 3 m in the last century, to 25 m in the last millennium, and to over 150 m since the Last Glacial. There is little consensus about the causes, and forecasts are contradictory, mainly due to a lack of solid data about past sea levels before 1837 AD, when instrumental observation started. We studied the Holocene Turali barrier complex along the western Caspian shore in Dagestan, Russia. Barrier dynamics during the last 3 m sea-level cycle in the past century show that only lagoonal deposits overridden by highstand barriers are suitable for dating former highstands. In the Holocene barrier complex, we selected the most suitable sites for dating using ground penetrating radar (GPR) profiles, outcrops and gravel pits. We obtained 14 accelerator mass spectrometry (AMS)
    Original languageEnglish
    Pages (from-to)137-143
    JournalQuaternary International
    Publication statusPublished - 2007


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