Coupled Impacts of Atmospheric Circulation and Sea-Ice on Late Pleistocene Terrigenous Sediment Dynamics in the Subarctic Pacific Ocean

Zhong, Yi1,2,3; Liu, Yanguang2,4; Gong, Xun2,5; Wilson, David J.6,7; Lu, Zhengyao8; Liu, Jiabo1,2,3; Song, Tengfei9; Gorbarenko, Sergey A.10; Shi, Xuefa2,4; Yang, Xiaoqiang11; Liu, Qingsong1,2,3

2021-10-16

10.1029/2021GL095312

GEOPHYSICAL RESEARCH LETTERS   影响因子和分区

0094-8276

1944-8007

Processes controlling environmental change in the subarctic Pacific Ocean on millennial to orbital timescales are not well understood. Here we use a 230-kyr sedimentary record from the northwest Pacific Ocean to assess the response of late Pleistocene sediment dynamics to orbital forcing. Combining a source-to-sink perspective based on sedimentological records with climate model reanalysis, we reveal that fluctuations in sediment provenance were closely linked to obliquity-forced changes in atmospheric circulation modes. Specifically, the position of the Aleutian Low controlled sediment transport from the Bering Sea and Aleutian Arc sources. Furthermore, a distinct shift in North Pacific ocean circulation during the Last Glacial Maximum may have been related to a strengthened Siberian High. The coincidence of atmospheric mode switches with changes in sea-ice extent and North Pacific Intermediate Water formation in the marginal seas suggests that this coupled ocean-atmosphere system may have acted as a regional amplifier of global climate variability.

SCI ; EI

英语

第一 ; 通讯

National Natural Science Foundation of China[41806063,41874078,"U1606401",4167605] ; Global change and Air-Sea Interaction[GASI-GEOGE-03] ; Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology[MGQNLM201818] ; SIGEPAX[03F0704A] ; Shenzhen Science and Technology Program[KQTD20170810111725321] ; Research Program of Sanya Yazhou Bay Science and Technology City[SKJC-2020-01-012] ; NERC independent research fellowship[NE/T011440/1] ; China Postdoctoral Science Foundation[2020M682770]

Geology

Geosciences, Multidisciplinary

WOS:000706306000006

AMER GEOPHYSICAL UNION

20214111012456

Climate models ; Climatology ; Oceanography ; Sediment transport

Meteorology:443 ; Oceanography, General:471.1 ; Mathematics:921

GEOSCIENCES

Web of Science

1.Southern Univ Sci & Technol, Ctr Marine Magnetism CM2, Dept Ocean Sci & Engn, Shenzhen, Peoples R China
2.Qingdao Natl Oceanog Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou, Peoples R China
4.Minist Nat Resources MNR, Inst Oceanog 1, Key Lab Marine Geol & Metallogeny, Qingdao, Peoples R China
5.China Univ Geosci Wuhan, Hubei Key Lab Marine Geol Resources, Wuhan, Peoples R China
6.UCL, Inst Earth & Planetary Sci, London, England
7.Birkbeck Univ London, London, England
8.Lund Univ, Dept Phys Geog & Ecosyst Sci, Lund, Sweden
9.Univ Quebec Montreal, GEOTOP, Montreal, PQ, Canada
10.Russian Acad Sci, Far East Branch, VI Ilichev Pacific Oceanol Inst, Vladivostok, Russia
11.Sun Yat Sen Univ, Dept Earth Sci, Guangzhou, Peoples R China

Zhong, Yi,Liu, Yanguang,Gong, Xun,et al. Coupled Impacts of Atmospheric Circulation and Sea-Ice on Late Pleistocene Terrigenous Sediment Dynamics in the Subarctic Pacific Ocean[J]. GEOPHYSICAL RESEARCH LETTERS,2021,48(19).

Zhong, Yi.,Liu, Yanguang.,Gong, Xun.,Wilson, David J..,Lu, Zhengyao.,...&Liu, Qingsong.(2021).Coupled Impacts of Atmospheric Circulation and Sea-Ice on Late Pleistocene Terrigenous Sediment Dynamics in the Subarctic Pacific Ocean.GEOPHYSICAL RESEARCH LETTERS,48(19).

Zhong, Yi,et al."Coupled Impacts of Atmospheric Circulation and Sea-Ice on Late Pleistocene Terrigenous Sediment Dynamics in the Subarctic Pacific Ocean".GEOPHYSICAL RESEARCH LETTERS 48.19(2021).