Deglaciation history of Lake Ladoga (northwestern Russia) based on varved sediments

Raphael Gromig, Bernd Wagner, Volker Wennrich, Grigory Fedorov, Larisa Savelieva, Elodie Lebas, Sebastian Krastel, Dominik Brill, Andrei Andreev, Dmitry Subetto, Martin Melles

Результат исследований: Научные публикации в периодических изданияхстатьянаучнаярецензирование

5 Цитирования (Scopus)

Выдержка

Lake Ladoga in northwestern Russia is Europe's largest lake. The postglacial history of the Ladoga basin is for the first time documented continuously with high temporal resolution in the upper 13.3m of a sediment core (Co1309) from the northwestern part of the lake. We applied a multiproxy approach including radiographic imaging, (bio-)geochemical and granulometric analyses. Age control was established combining radiocarbon dating with varve chronology, the latter anchored to a correlated radiocarbon age from a lake close by. The age-depth model reveals the onset of glacial varve sedimentation at 13910 +/- 140cal. a BP, when Lake Ladoga was part of the Baltic Ice Lake. Linear extrapolation of published retreat rates of the Scandinavian Ice Sheet provides a formation age of the Luga moraine close to Lake Ladoga's southern shore of 14.5-15.9cal. ka BP, older than previously assumed. Varve sedimentation covers the BOlling/AllerOd interstadial, the Younger Dryas stadial and the Early Holocene. Varve-thickness variations, conjoined with grain-size and geochemical variations, inform about the relative position of the Scandinavian Ice Sheet and the climate during the deglaciation phase. The upper limit of the varved succession marks the change from glaciolacustrine to normal lacustrine sedimentation and post-dates the drainage of the Baltic Ice Lake as well as the formation of the Salpausselka II moraine north of Lake Ladoga, by c.250years. The Holocene sediment record is divided into three periods in the following order: (i) a lower transition zone between the Holocene boundary and c.9.5cal. ka BP, characterized by mostly massive sediments with low organic content, (ii) a phase with increased organic content from c.9.5 to 4.5cal. ka BP corresponding to the Holocene Thermal Maximum, and (iii) a phase with relatively stable sedimentation in a lacustrine environment from c.4.5cal. ka BP until present.

Язык оригиналаанглийский
Страницы (с-по)330-348
Число страниц19
ЖурналBoreas
Том48
Номер выпуска2
DOI
СостояниеОпубликовано - 1 апр 2019

Ключевые слова

    Предметные области Scopus

    • Геология
    • Экология, эволюция поведение и систематика
    • Археология

    Цитировать

    Gromig, Raphael ; Wagner, Bernd ; Wennrich, Volker ; Fedorov, Grigory ; Savelieva, Larisa ; Lebas, Elodie ; Krastel, Sebastian ; Brill, Dominik ; Andreev, Andrei ; Subetto, Dmitry ; Melles, Martin. / Deglaciation history of Lake Ladoga (northwestern Russia) based on varved sediments. В: Boreas. 2019 ; Том 48, № 2. стр. 330-348.
    @article{9ac20efa7dbf4a2083a82c5daa256083,
    title = "Deglaciation history of Lake Ladoga (northwestern Russia) based on varved sediments",
    abstract = "Lake Ladoga in northwestern Russia is Europe's largest lake. The postglacial history of the Ladoga basin is for the first time documented continuously with high temporal resolution in the upper 13.3m of a sediment core (Co1309) from the northwestern part of the lake. We applied a multiproxy approach including radiographic imaging, (bio-)geochemical and granulometric analyses. Age control was established combining radiocarbon dating with varve chronology, the latter anchored to a correlated radiocarbon age from a lake close by. The age-depth model reveals the onset of glacial varve sedimentation at 13910 +/- 140cal. a BP, when Lake Ladoga was part of the Baltic Ice Lake. Linear extrapolation of published retreat rates of the Scandinavian Ice Sheet provides a formation age of the Luga moraine close to Lake Ladoga's southern shore of 14.5-15.9cal. ka BP, older than previously assumed. Varve sedimentation covers the BOlling/AllerOd interstadial, the Younger Dryas stadial and the Early Holocene. Varve-thickness variations, conjoined with grain-size and geochemical variations, inform about the relative position of the Scandinavian Ice Sheet and the climate during the deglaciation phase. The upper limit of the varved succession marks the change from glaciolacustrine to normal lacustrine sedimentation and post-dates the drainage of the Baltic Ice Lake as well as the formation of the Salpausselka II moraine north of Lake Ladoga, by c.250years. The Holocene sediment record is divided into three periods in the following order: (i) a lower transition zone between the Holocene boundary and c.9.5cal. ka BP, characterized by mostly massive sediments with low organic content, (ii) a phase with increased organic content from c.9.5 to 4.5cal. ka BP corresponding to the Holocene Thermal Maximum, and (iii) a phase with relatively stable sedimentation in a lacustrine environment from c.4.5cal. ka BP until present.",
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    author = "Raphael Gromig and Bernd Wagner and Volker Wennrich and Grigory Fedorov and Larisa Savelieva and Elodie Lebas and Sebastian Krastel and Dominik Brill and Andrei Andreev and Dmitry Subetto and Martin Melles",
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    Gromig, R, Wagner, B, Wennrich, V, Fedorov, G, Savelieva, L, Lebas, E, Krastel, S, Brill, D, Andreev, A, Subetto, D & Melles, M 2019, 'Deglaciation history of Lake Ladoga (northwestern Russia) based on varved sediments' Boreas, том. 48, № 2, стр. 330-348. https://doi.org/10.1111/bor.12379, https://doi.org/10.1111/bor.12379

    Deglaciation history of Lake Ladoga (northwestern Russia) based on varved sediments. / Gromig, Raphael; Wagner, Bernd; Wennrich, Volker; Fedorov, Grigory; Savelieva, Larisa; Lebas, Elodie; Krastel, Sebastian; Brill, Dominik; Andreev, Andrei; Subetto, Dmitry; Melles, Martin.

    В: Boreas, Том 48, № 2, 01.04.2019, стр. 330-348.

    Результат исследований: Научные публикации в периодических изданияхстатьянаучнаярецензирование

    TY - JOUR

    T1 - Deglaciation history of Lake Ladoga (northwestern Russia) based on varved sediments

    AU - Gromig, Raphael

    AU - Wagner, Bernd

    AU - Wennrich, Volker

    AU - Fedorov, Grigory

    AU - Savelieva, Larisa

    AU - Lebas, Elodie

    AU - Krastel, Sebastian

    AU - Brill, Dominik

    AU - Andreev, Andrei

    AU - Subetto, Dmitry

    AU - Melles, Martin

    PY - 2019/4/1

    Y1 - 2019/4/1

    N2 - Lake Ladoga in northwestern Russia is Europe's largest lake. The postglacial history of the Ladoga basin is for the first time documented continuously with high temporal resolution in the upper 13.3m of a sediment core (Co1309) from the northwestern part of the lake. We applied a multiproxy approach including radiographic imaging, (bio-)geochemical and granulometric analyses. Age control was established combining radiocarbon dating with varve chronology, the latter anchored to a correlated radiocarbon age from a lake close by. The age-depth model reveals the onset of glacial varve sedimentation at 13910 +/- 140cal. a BP, when Lake Ladoga was part of the Baltic Ice Lake. Linear extrapolation of published retreat rates of the Scandinavian Ice Sheet provides a formation age of the Luga moraine close to Lake Ladoga's southern shore of 14.5-15.9cal. ka BP, older than previously assumed. Varve sedimentation covers the BOlling/AllerOd interstadial, the Younger Dryas stadial and the Early Holocene. Varve-thickness variations, conjoined with grain-size and geochemical variations, inform about the relative position of the Scandinavian Ice Sheet and the climate during the deglaciation phase. The upper limit of the varved succession marks the change from glaciolacustrine to normal lacustrine sedimentation and post-dates the drainage of the Baltic Ice Lake as well as the formation of the Salpausselka II moraine north of Lake Ladoga, by c.250years. The Holocene sediment record is divided into three periods in the following order: (i) a lower transition zone between the Holocene boundary and c.9.5cal. ka BP, characterized by mostly massive sediments with low organic content, (ii) a phase with increased organic content from c.9.5 to 4.5cal. ka BP corresponding to the Holocene Thermal Maximum, and (iii) a phase with relatively stable sedimentation in a lacustrine environment from c.4.5cal. ka BP until present.

    AB - Lake Ladoga in northwestern Russia is Europe's largest lake. The postglacial history of the Ladoga basin is for the first time documented continuously with high temporal resolution in the upper 13.3m of a sediment core (Co1309) from the northwestern part of the lake. We applied a multiproxy approach including radiographic imaging, (bio-)geochemical and granulometric analyses. Age control was established combining radiocarbon dating with varve chronology, the latter anchored to a correlated radiocarbon age from a lake close by. The age-depth model reveals the onset of glacial varve sedimentation at 13910 +/- 140cal. a BP, when Lake Ladoga was part of the Baltic Ice Lake. Linear extrapolation of published retreat rates of the Scandinavian Ice Sheet provides a formation age of the Luga moraine close to Lake Ladoga's southern shore of 14.5-15.9cal. ka BP, older than previously assumed. Varve sedimentation covers the BOlling/AllerOd interstadial, the Younger Dryas stadial and the Early Holocene. Varve-thickness variations, conjoined with grain-size and geochemical variations, inform about the relative position of the Scandinavian Ice Sheet and the climate during the deglaciation phase. The upper limit of the varved succession marks the change from glaciolacustrine to normal lacustrine sedimentation and post-dates the drainage of the Baltic Ice Lake as well as the formation of the Salpausselka II moraine north of Lake Ladoga, by c.250years. The Holocene sediment record is divided into three periods in the following order: (i) a lower transition zone between the Holocene boundary and c.9.5cal. ka BP, characterized by mostly massive sediments with low organic content, (ii) a phase with increased organic content from c.9.5 to 4.5cal. ka BP corresponding to the Holocene Thermal Maximum, and (iii) a phase with relatively stable sedimentation in a lacustrine environment from c.4.5cal. ka BP until present.

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    KW - LAST GLACIAL MAXIMUM

    KW - TEMPERATURE RECONSTRUCTION

    KW - SOUTHEASTERN SECTOR

    KW - HOLOCENE CLIMATE

    KW - OXYGEN-ISOTOPE

    KW - BALTIC SEA

    KW - AGE

    KW - RECORDS

    KW - SINGLE

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    U2 - https://doi.org/10.1111/bor.12379

    DO - https://doi.org/10.1111/bor.12379

    M3 - Article

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    JO - Boreas

    JF - Boreas

    SN - 0300-9483

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