Search for dissertations about: "Late Quaternary"
Showing result 1 - 5 of 42 swedish dissertations containing the words Late Quaternary.
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1. On the Late Saalian glaciation : A climate modeling study
Abstract : This thesis focuses on the glaciation of the Late Saalian period (160 -140 ka) over Eurasia. The Quaternary Environment of the Eurasian North (QUEEN) project determined that during this period, the Eurasian ice sheet was substantially larger than during the entire Weichselian cycle and especially that of the Last Glacial Maximum (21 ka, LGM). READ MORE
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2. Late Quaternary Biostratigraphy of Sediments of the Southeastern Baltic Sea
Abstract : This thesis presents Late Quaternary biostratigraphy in the SE Baltic Sea, based on palynological data from fifteen sediment cores. An objective subdivision of the cores has been achieved by numerical zonation. Ordination has revealed a succession of pollen spectra that can be used for biostratigraphic correlation across the region. READ MORE
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3. Late Quaternary Biostratigraphy and Paleoceanography of the central Arctic Ocean
Abstract : The central Arctic Ocean is one of the least explored deep sea regions and long biostratigraphic sediment records are sparse. The main focus of this thesis is the Arctic Ocean foraminiferal record and its application to reconstruct paleoceanographic variations and summer sea ice cover changes between late Quaternary interglacial periods. READ MORE
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4. Late quaternary equatorial glacier fluctuations
Abstract : On several occasions during the Quaternary, climate permitted equatorial glaciers to advance significantly. In East Africa, where the highest mountains of the African continent are located, evidence of three pre-Weichselian glaciations on Kilimanjaro, and two on Mount Kenya and Ruwenzori were recognized. READ MORE
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5. Late Holocene humidity variability in central Sweden
Abstract : The aim of this thesis was to reconstruct humidity variability in central Sweden during the late Holocene. A multi-proxy approach was used to infer humidity changes as recorded in a lake and a mire. Age-models were constructed based on radiocarbon dating and the Askja-1875 tephra. READ MORE