Sedimentation on the northwest of the Yamal shelf in the Late Holocene, aspects of extrapolation based on data of the last century

Meshcheriakov N.I.^{1,
2}, Usyagina I.S.¹, Ivanova N.S.¹, Ananyev R.A.³, Krylov A.A.^4,5, Sukhikh E.A.², Luksha V.L.⁶, Sorokhtin N.O.³, Denisova A.P.², Kokin O.V.²

SEDIMENTATION ON THE NORTHWEST OF THE YAMAL SHELF IN THE LATE HOLOCENE, ASPECTS OF EXTRAPOLATION BASED ON DATA OF THE LAST CENTURY

Relief and Quaternary deposits of the Arctic, Subarctic and North-West Russia. Issue 11.

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doi: 10.24412/2687-1092-2024-11-232-236

¹Murmansk Marine Biological Institute, Murmansk, Russia

² Geological Institute of the Russian Academy of Sciences, Moscow, Russia

³ Shirshov Institute of Oceanology of the Russian Academy of Sciences, Moscow, Russia

⁴ VNIIOkeangeologia, St. Petersburg, Russia

⁵St Petersburg State University, St. Petersburg, Russia

⁶ Lomonosov Moscow State University, Moscow, Russia

Abstract. The factual material was collected within the framework of the 56th cruise of the R/V "Akademik Nikolay Strakhov". The paper presents the results of geochronological studies of sedimentation in the northwest of the Yamal shelf. In the area of work, sedimentation rates characteristic of the last century were determined. A variation series of sedimentation rates during the period of climate change was established. Minimum, maximum and average values of sedimentation rates after the Little Ice Age were estimated. It is proposed to extrapolate the obtained data to the late Holocene period, taking into account the latest climatic fluctuations.

Keywords: sedimentation rate, geochronology, Yamal shelf, climate change, Little Ice Age, late Holocene

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Cite this article:

Meshcheriakov N.I., Usyagina I.S., Ivanova N.S., Ananyev R.A., Krylov A.A., Sukhikh E.A., Luksha V.L., Sorokhtin N.O., Kokin O.V. Sedimentation on the northwest of the Yamal shelf in the Late Holocene, aspects of extrapolation based on data of the last century // Relief and Quaternary deposits of the Arctic, Subarctic and North-West Russia. 2024. Issue 11. P. 232-236. doi: 10.24412/2687-1092-2024-11-232-236