Articles | Volume 13, issue 9
https://doi.org/10.5194/cp-13-1111-2017
https://doi.org/10.5194/cp-13-1111-2017
Research article
 | 
08 Sep 2017
Research article |  | 08 Sep 2017

Holocene dynamics in the Bering Strait inflow to the Arctic and the Beaufort Gyre circulation based on sedimentary records from the Chukchi Sea

Masanobu Yamamoto, Seung-Il Nam, Leonid Polyak, Daisuke Kobayashi, Kenta Suzuki, Tomohisa Irino, and Koji Shimada

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Cited articles

Aagaard, K., Weingartner, T. J., Danielson, S. L., Woodgate, R. A., Johnson, G. C., and Whitledge, T. E.: Some controls on flow and salinity in Bering Strait, Geophys. Res. Lett., 33, L19602, https://doi.org/10.1029/2006GL026612, 2006.
Anderson, L., Abbott, M. B., Finney, B. P., and Burns, S. J.: Regional atmospheric circulation change in the North Pacific during the Holocene inferred from lacustrine carbonate oxygen isotopes, Yukon Territory, Canada, Quaternary Res., 64, 21–35, 2005.
Barletta, F., St-Onge, G., Channell, J. E. T., Rochon, A., Polyak, L., and Darby, D.: High resolution paleomagnetic secular variation and relative paleointensity records from the western Canadian Arctic: implication for Holocene stratigraphy and geomagnetic field behaviour, Can. J. Earth Sci., 45, 1265–1281, 2008.
Barron, J. A. and Anderson, L.: Enhanced Late Holocene ENSO/PDO expression along the margins of the eastern North Pacific, Quatern. Int., 235, 3–12, 2011.
Barron, J. A., Heusser, L., Herbert, T., and Lyle, M.: High-resolution climatic evolution of coastal northern California during the past 16,000 years, Paleoceanography, 18, 1020, https://doi.org/10.1029/2002PA000768, 2003.
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Short summary
Based on mineral records from the northern Chukchi Sea, we report a long-term decline in the Beaufort Gyre (BG) strength during the Holocene, consistent with a decrease in summer insolation. Multi-centennial variability in BG circulation is consistent with fluctuations in solar irradiance. The Bering Strait inflow shows intensification during the middle Holocene, associated with sea-ice retreat and an increase in marine production in the Chukchi Sea, which is attributed to a weaker Aleutian Low.
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