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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/6099

    Título
    Enviromagnetic study of Late Quaternary environmental evolution in Lower Volga loess sequences, Russia
    Autor
    Költringer, Chiara
    Stevens, Thomas
    Bradák, Balázs
    Almqvist, Bjarne
    Kurbanov, Redzhep
    Snowball, Ian
    Yarovaya, Sofya
    Publicado en
    Quaternary Research. 2021, V. 103, p. 49 - 73
    Editorial
    Cambridge University Press
    Fecha de publicación
    2021-09
    ISSN
    0033-5894
    DOI
    10.1017/qua.2020.73
    Abstract
    The late Quaternary development of the Lower Volga region of Russia is characterized by an alternating influence of marine and continental environments resulting from fluctuations in Caspian Sea level during the last glaciation. However, sediments deposited under continental conditions have received very little research attention compared to the under- and overlying marine deposits, such that even their origin is still in debate. Detailed magnetic mineralogical analyses presented here show clear similarities to loess. The results suggest that climate during the time of loess deposition, the Atelian regression (27–80 ka, MIS 4–3), was dry and cool, similar to the modern-day Northern Caspian lowland. The magnetic properties recorded in the loess-paleosol sequences of the Lower Volga also point to short episodes of potentially more humid and warmer climate during the late Atelian. The new findings in regard to the local Caspian climate and environmental evolution support decreased river discharge from the Russian Plain and Siberian Plain as the dominant factor causing the low Caspian sea level stand during the Atelian, although local-regional climate changes might have had an additional influence.
    Palabras clave
    Lower Volga loess
    Caspian Sea
    Environmental magnetism
    Magnetic proxies
    Atelian regression
    Last glaciation
    Materia
    Magnetismo
    Magnetism
    Geología
    Geology
    Ciencias medioambientales
    Environmental sciences
    URI
    http://hdl.handle.net/10259/6099
    Versión del editor
    https://doi.org/10.1017/qua.2020.73
    Collections
    • Artículos PALEOMAG-UBU
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