Glaciations of central asia in the late cenozoic according to the sedimentary record from lake baikal
作者： E.B. Karabanov , M.I. Kuzmin , A.A. Prokopenko , D.F. Williams , G.K. Khursevich
DOI: 10.1016/B978-044450434-0/50006-8
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摘要: Publisher Summary This chapter describes the paleoclimatic record over period of 5 million years based on variations in diatom abundance sediments a 200 m core obtained from Lake Baikal. The data represent long, continuous continental climate changes Central Asia during Late Cenozoic. shows climatic cooling trend that started Pleistocene and is superimposed short-term cyclic controlled by Earth's orbital parameters. also reveals presence two cold episodes (each about 300 Ka long) at time intervals 2.82–2.48 Ma 1.75–1.45 characterized glaciations their maximum phases. These periods Baikal are registered as global other paleoclimate records Northern Hemisphere. contains majority events found marine demonstrates regions responded to all major recorded long oxygen isotopic records.
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