from Part II - The palaeoenvironmental record
Published online by Cambridge University Press: 26 April 2011
ABSTRACT
Lake Lisan existed between 75 and 14 ka BP and provides a unique opportunity for investigating climate change for the southern Levant region. The exposures of Lake Lisan deposits on the eastern shores of the current Dead Sea have received limited study in comparison to the western shores. Here we present new U-series and elevation data for a sequence of Lisan deposits ranging between 25 and 8 ka BP. The data show an elevation–age record consistent with previously published data while providing new information about the extent of decrease in lake levels in the Late Pleistocene and early Holocene. All dates cited in this chapter are calibrated; those that were uncalibrated in their original publications were calibrated using the online OxCAL program.
INTRODUCTION
Lake Lisan existed from approximately 70 to 15 cal ka BP (see Kaufman, 1971, Kaufman et al., 1992, Schramm et al., 2000; Hasse-Schramm et al., 2004 and references therein) and extended up to 200 km along the Dead Sea Transform at its highest levels (Hazan et al., 2005; Chapter 6, this volume; Figures 9.1, 9.2). During its history, the lake fluctuated between highstands of 165–180 mbsl (metres below sea level) and lowstands of perhaps as much as 700 mbsl (Chapter 6, this volume; Begin et al., 1985, Bartov et al., 2002).
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