Holocene sedimentary records from Lake Borsog, eastern shore of Lake Khuvsgul, Mongolia, and their paleoenvironmental implications

A. Orkhonselenge, S. K. Krivonogov, K. Mino, K. Kashiwaya, I. Y. Safonova, M. Yamamoto, Kaoru Kashima, T. Nakamura, J. Y. Kim

Research output: Contribution to journalArticle

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Abstract

This paper presents new sedimentological, geochronological and diatom data from a 13-m core of sediment from Lake Borsog, a former bay of Lake Khuvsgul (also known as Hovsgol and Khubsugul) in northwestern Mongolia. Lake Borsog was separated from Khuvsgul during the early stages of a post-glacial transgression and possesses a high-resolution record of the Holocene. The data show three short events of higher-rate sedimentation at 7.4-7.1, 4.8-4.5, and 1.0-0.9 ka cal. BP, which are possibly related to lake level drops, reduction of lake area, progradation of the delta of the Borsog River and higher erosion of the exposed lake shores. The drops in lake level match the previously documented drops of the level of Lake Khuvsgul at ca. 7.2-7.0, 4.5-4.1 and 2.1-0.5 ka cal. BP, suggesting continued mutually-related and climatically-controlled evolution of both lakes after their separation.

Original languageEnglish
Pages (from-to)95-109
Number of pages15
JournalQuaternary International
Volume290-291
DOIs
Publication statusPublished - Jan 1 2013

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Holocene
lake
lake level
shore (nonmarine)
progradation
Postglacial
sedimentation rate
transgression
diatom
erosion
river
sediment

All Science Journal Classification (ASJC) codes

  • Earth-Surface Processes

Cite this

Orkhonselenge, A., Krivonogov, S. K., Mino, K., Kashiwaya, K., Safonova, I. Y., Yamamoto, M., ... Kim, J. Y. (2013). Holocene sedimentary records from Lake Borsog, eastern shore of Lake Khuvsgul, Mongolia, and their paleoenvironmental implications. Quaternary International, 290-291, 95-109. https://doi.org/10.1016/j.quaint.2012.03.041

Holocene sedimentary records from Lake Borsog, eastern shore of Lake Khuvsgul, Mongolia, and their paleoenvironmental implications. / Orkhonselenge, A.; Krivonogov, S. K.; Mino, K.; Kashiwaya, K.; Safonova, I. Y.; Yamamoto, M.; Kashima, Kaoru; Nakamura, T.; Kim, J. Y.

In: Quaternary International, Vol. 290-291, 01.01.2013, p. 95-109.

Research output: Contribution to journalArticle

Orkhonselenge, A, Krivonogov, SK, Mino, K, Kashiwaya, K, Safonova, IY, Yamamoto, M, Kashima, K, Nakamura, T & Kim, JY 2013, 'Holocene sedimentary records from Lake Borsog, eastern shore of Lake Khuvsgul, Mongolia, and their paleoenvironmental implications', Quaternary International, vol. 290-291, pp. 95-109. https://doi.org/10.1016/j.quaint.2012.03.041
Orkhonselenge, A. ; Krivonogov, S. K. ; Mino, K. ; Kashiwaya, K. ; Safonova, I. Y. ; Yamamoto, M. ; Kashima, Kaoru ; Nakamura, T. ; Kim, J. Y. / Holocene sedimentary records from Lake Borsog, eastern shore of Lake Khuvsgul, Mongolia, and their paleoenvironmental implications. In: Quaternary International. 2013 ; Vol. 290-291. pp. 95-109.
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