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Boreal (Eemian) Transgression in the Northeastern White Sea Region: Multiproxy Evidence from Bychye-2 Sectionстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 апреля 2024 г.
- Авторы: Taldenkova E., Ovsepyan Ya, Rudenko O., Stepanova A., Bauch H.A.
- Журнал: Quaternary
- Том: 7
- Номер: 3
- Год издания: 2024
- Издательство: MDPI Publishing
- Местоположение издательства: Basel, Switzerland, Switzerland
- Первая страница: 1
- Последняя страница: 17
- DOI: 10.3390/quat7010003
- Аннотация: Reconstructing interglacial marine environments helps us understand the climate changemechanisms of the past. To contribute to this body of knowledge, we studied a high-resolution455 cm-thick sediment sequence of the Boreal (Eemian) marine beds directly overlying Moscovian(Saalian) moraine in the Bychye-2 section on the Pyoza River. We analyzed lithological and microfossil(foraminifers, ostracods, pollen, aquatic palynomorphs) variations at the studied site. Stratigraphicalzonation is based on the local and well-established regional pollen zones, correlated with the westernEuropean pollen zones. The studied marine beds accumulated from the end of the Moscovian glacial(>131 ka) until ca. 119.5 ka. We distinguished three successive phases: a seasonally sea-ice-covered,relatively deep, freshened basin in the initial rapid flooding stage (>131–130.5 ka); a deep basin in themaximum flooding phase with less extensive sea ice cover (130.5–130.25 ka); and a shallow basin withreduced sea ice cover (130.25–119.5 ka). According to a pollen zone comparison with other sites, theregional glacioisostatic rebound started ca. 130 ka. The diverse warm-water assemblages of benthicforaminifers and ostracods containing typical Baltic Sea species occurred during the regression,mainly 128–124 ka, thus giving evidence for a relatively long-lasting connection between the Whiteand Baltic Seas.
- Добавил в систему: Талденкова Екатерина Евгеньевна
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