Holocene hydrological variability of Lake Ladoga, northwest Russia, as inferred from diatom oxygen isotopes

Svetlana S. Kostrova, Hanno Meyer, Hannah L. Bailey, Anna V. Ludikova, Raphael Gromig, Gerhard Kuhn, Yuri A. Shibaev, Anna V. Kozachek, Alexey A. Ekaykin, Bernhard Chapligin

Research output

2 Citations (Scopus)

Abstract

This article presents a new comprehensive assessment of the Holocene hydrological variability of Lake Ladoga, northwest Russia. The reconstruction is based on oxygen isotopes of lacustrine diatom silica (δ 18 O diatom ) preserved in sediment core Co 1309, and is complemented by a diatom assemblage analysis and a survey of modern isotope hydrology. The data indicate that Lake Ladoga has existed as a freshwater reservoir since at least 10.8 cal. ka BP. The δ 18 O diatom values range from +29.8 to +35.0‰, and relatively higher δ 18 O diatom values around +34.7‰ between c. 7.1 and 5.7 cal. ka BP are considered to reflect the Holocene Thermal Maximum. A continuous depletion in δ 18 O diatom since c. 6.1 cal. ka BP accelerates after c. 4 cal. ka BP, indicating Middle to Late Holocene cooling that culminates during the interval 0.8–0.2 cal. ka BP, corresponding to the Little Ice Age. Lake-level rises result in lower δ 18 O diatom values, whereas lower lake levels cause higher δ 18 O diatom values. The diatom isotope record gives an indication for a rather early opening of the Neva River outflow at c. 4.4–4.0 cal. ka BP. Generally, overall high δ 18 O diatom values around +33.5‰ characterize a persistent evaporative lake system throughout the Holocene. As the Lake Ladoga δ 18 O diatom record is roughly in line with the 60°N summer insolation, a linkage to broader-scale climate change is likely.

Original languageEnglish
JournalBoreas
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Bacillariophyceae
Russia
oxygen isotope
isotopes
diatom
Holocene
oxygen
lakes
lake
lake level
Oxygen Isotopes
Diatoms
isotope
ice lake
Hypsithermal
insolation
silica
hydrology
sediment core
solar radiation

Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Archaeology
  • Geology

Cite this

Kostrova, S. S., Meyer, H., Bailey, H. L., Ludikova, A. V., Gromig, R., Kuhn, G., ... Chapligin, B. (2019). Holocene hydrological variability of Lake Ladoga, northwest Russia, as inferred from diatom oxygen isotopes. Boreas. https://doi.org/10.1111/bor.12385
Kostrova, Svetlana S. ; Meyer, Hanno ; Bailey, Hannah L. ; Ludikova, Anna V. ; Gromig, Raphael ; Kuhn, Gerhard ; Shibaev, Yuri A. ; Kozachek, Anna V. ; Ekaykin, Alexey A. ; Chapligin, Bernhard. / Holocene hydrological variability of Lake Ladoga, northwest Russia, as inferred from diatom oxygen isotopes. In: Boreas. 2019.
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Kostrova, SS, Meyer, H, Bailey, HL, Ludikova, AV, Gromig, R, Kuhn, G, Shibaev, YA, Kozachek, AV, Ekaykin, AA & Chapligin, B 2019, 'Holocene hydrological variability of Lake Ladoga, northwest Russia, as inferred from diatom oxygen isotopes', Boreas. https://doi.org/10.1111/bor.12385

Holocene hydrological variability of Lake Ladoga, northwest Russia, as inferred from diatom oxygen isotopes. / Kostrova, Svetlana S.; Meyer, Hanno; Bailey, Hannah L.; Ludikova, Anna V.; Gromig, Raphael; Kuhn, Gerhard; Shibaev, Yuri A.; Kozachek, Anna V.; Ekaykin, Alexey A.; Chapligin, Bernhard.

In: Boreas, 01.01.2019.

Research output

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AU - Kostrova, Svetlana S.

AU - Meyer, Hanno

AU - Bailey, Hannah L.

AU - Ludikova, Anna V.

AU - Gromig, Raphael

AU - Kuhn, Gerhard

AU - Shibaev, Yuri A.

AU - Kozachek, Anna V.

AU - Ekaykin, Alexey A.

AU - Chapligin, Bernhard

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