Last Glacial warm events on Mount Hermon: the southern extension of the Alpine karst range of the east Mediterranean

Citation

Material Information

Title:
Last Glacial warm events on Mount Hermon: the southern extension of the Alpine karst range of the east Mediterranean
Series Title:
Quaternary Science
Creator:
Ayalon, Avner
Bar-Matthews, Miryam
Frumkin, Amos
Matthews, Alan
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Speleothems ( local )
Paleoclimate ( local )
Hermon Mountain ( local )
Alpine Karst ( local )
Dead Sea Rift Valley ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
This study focuses on warm Last Glacial episodes in the southernmost extension of the Alpine karst range of the Eastern Mediterranean (Levant) region through the study speleothems in Mizpe Shelagim Cave, located in Mt. Hermon. The Alpine karst range extends from Turkey through Syria and Lebanon, reaching its southern limit in Mt. Hermon at an elevation of more than 2000 m. Under present-day conditions, southern Mt. Hermon receives 1000–2000 mm precipitation, mostly as snow, that originates in the Eastern Mediterranean Sea. Speleothems deposition in this high altitude region was continuous during interglacials, but during the Last Glacial growth occurred when average annual temperatures exceeded ∼3 °C as inferred from the study of speleothem fluid inclusions. Warming episodes occurred at: ∼65 ka, ∼56 ka, 54.5 ka, ∼52.5–51 ka, ∼49 ka, ∼42 ka, and ∼36 ka and are coincident with maximum insolation at 65 °N. The main depositional period from ∼56 ka to 51 ka coincides with Dansgaard–Oeschger interstadial 15 and 14, and warming in the northeastern basin of the Mediterranean Sea. Warming in the southern Alpine karst range of the Eastern Mediterranean was manifested by vegetation development, together with significant snow melting that resulted in the drainage of large amount of water to the Dead Sea Rift Valley.
Original Version:
Quaternary Science, Vol. 59, no. 3 (2013-01-01).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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University of South Florida
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