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First isotope studies on the Late Weichselian/Holocene part of the limnic type sequence from the former Lake Aschersleben (Saxony-Anhalt, Germany)

Tatjana Boettger, Achim Hiller, Ljuba Stottmeister, Frank W. Junge

 Abstract

Isotopic-geochemical pilot investigations were carried out on a limnic sediment sequence from the former Lake Aschersleben in central Germany. Radiocarbon data based on peat and lake marl ma­terial cover a time span between approximately 2,560 BP and 17,030 years BP for the drilling cores investigated. The variations in isotope levels characterize the specific lake development such as changes in the temperature regime and the water balance from stable cold climatic conditions in the Upper Glacial period to warmer Late Glacial conditions partly influenced by the influx of gla­cial water and the rising water level in the Early Holocene.