Paleolimnology of Lakes of Western Crimea

For the first time for saline lakes of the Crimean Peninsula, the results of a comprehensive study of lacustrine sediments using litho-, bio- and chronological methods were obtained. For the first time, radiocarbon dating of the Crimean lake sediments was performed. In lakes Saki and Dzharylgach, se...

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Bibliographic Details
Published in:Doklady earth sciences 2023-09, Vol.510 (1), p.329-334
Main Authors: Subetto, D. A., Sapelko, T. V., Stolba, V. F., Kuznetsov, D. D., Ludikova, A. V., Neustrueva, I. Yu
Format: Article
Language:English
Subjects:
Archaeological dating
Archaeological sites
Archaeology
Carbon 14
Climate change
Earth and Environmental Science
Earth Sciences
Geography
Historic sites
Human settlements
Lacustrine sedimentation
Lacustrine sediments
Lagoons
Lake deposits
Lake sediments
Lakes
Marine sediments
Palaeolimnology
Paleolimnology
Pollen
Radiocarbon dating
Radiometric dating
Reservoirs
Saline environments
Salinity
Salt lakes
Sand bars
Sea level changes
Sea level fluctuations
Sediment
Sediments
Vegetation
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Summary:For the first time for saline lakes of the Crimean Peninsula, the results of a comprehensive study of lacustrine sediments using litho-, bio- and chronological methods were obtained. For the first time, radiocarbon dating of the Crimean lake sediments was performed. In lakes Saki and Dzharylgach, sediment sequences of closed highly mineralized reservoirs, which overlay marine deposits, were retrieved. The surface of marine sediments is dated to 5610–5340 cal BP for Lake Saki and 5590–5350 cal BP for Lake Dzharylgach. By this time, sand barriers began to form, which subsequently completely separated the lagoons from the sea and led to the formation of closed reservoirs. Full isolation of Lake Dzharylgach occurred about 4600 cal BP. The vegetation change at the first stage of the lakes’ existence was controlled by changes in the sea level, as well as by fluctuations of salinity, later changes being mainly influenced by changes in climate humidity. The first Cerealia-type pollen occurs in the Subboreal period. Human settlements in the area of Lake Dzharylgach represent the Eneolithic, Bronze Age, as well as the Greco-Roman and medieval periods. A notable demographic change is observed in the period from the early first millennium to the end of the 5th century BC. The majority of archaeological sites in the vicinity of Lake Saki belongs to the Greco-Roman period.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X23600184