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Article Navigation >  Acta Sedimentologica Sinica  > 2016  >  34(3): 516-522

ZONG Xian, SHI XueFa, GE ChenDong, ZOU JianJun, Sergey Gorbarenko, QIAO ShuQing, DONG Zhi. Sedimentation Rate and Implications of Sediment Grain Size of Japan Sea during the Last Hundred Years[J]. Acta Sedimentologica Sinica, 2016, 34(3): 516-522. doi: 10.14027/j.cnki.cjxb.2016.03.009
Citation: ZONG Xian, SHI XueFa, GE ChenDong, ZOU JianJun, Sergey Gorbarenko, QIAO ShuQing, DONG Zhi. Sedimentation Rate and Implications of Sediment Grain Size of Japan Sea during the Last Hundred Years[J]. Acta Sedimentologica Sinica, 2016, 34(3): 516-522. doi: 10.14027/j.cnki.cjxb.2016.03.009
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Sedimentation Rate and Implications of Sediment Grain Size of Japan Sea during the Last Hundred Years

doi: 10.14027/j.cnki.cjxb.2016.03.009
  • 1.

    Key Laboratory of Coast and Island Development, Ministry of Education, Key Laboratory of Coast and Island Development of Jiangsu Province, Nanjing University, Nanjing 210023, China;

  • 2.

    Key Laboratory of Marine Sedimentology and Environment Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao, Shandong 266061, China;

  • 3.

    Qingdao National Laboratory for Marine Science and Technology, Function Laboratory for Marine Geology and Environment, Qingdao, Shandong 266061, China;

  • 4.

    V.I. Il'ichev Pacific Oceanological Institute, Russian Academy of Science, Vladivostok 690041, Russia

Funds:  Special Project on Global Change and Ocean-Atmosphere Interations, No. GAST-GEOGE-03; National Natural Science Foundation of China, No. 41420104005,40710069004; Taishan Scholars Program of Shandong
  • Received Date: 2015-08-24
  • Rev Recd Date: 2016-01-19
  • Publish Date: 2016-06-10
  • Both of the 210Pb and sediment grain size in four deep-water multicore sediments which are located in the middle, north and west of Japan Sea are analyzed. The result shows that the sediments mainly consist of silt and clayey silt in the Yamato Ridge, northern part and western slope of Japan Sea over the last 100 years. There is a significant biological disturbance phenomenon of surface sediments in Yamato Ridge and the northern part of the Japan Sea, which does not exist in the western slope. According to the model of Constant Rate of Supply (CRS), we determined the age mode and calculated the sedimentation rate in four multicores. The modern average sedimentation rate in the Japan Sea varied between 0.19~0.42 cm/a, with a lowest value in Yamato Ridge. The mean sediment grain size of four cores showed different vertical patterns, but they simultaneously varied at about 1940 and 1980. We think such simultaneous change is closely related to the variations of Pacific Decadal Oscillation (PDO) and East Asian Summer Monsoon over the last 100 years.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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  • Received:  2015-08-24
  • Revised:  2016-01-19
  • Published:  2016-06-10

Sedimentation Rate and Implications of Sediment Grain Size of Japan Sea during the Last Hundred Years

doi: 10.14027/j.cnki.cjxb.2016.03.009
  • 1. Key Laboratory of Coast and Island Development, Ministry of Education, Key Laboratory of Coast and Island Development of Jiangsu Province, Nanjing University, Nanjing 210023, China;
  • 2. Key Laboratory of Marine Sedimentology and Environment Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao, Shandong 266061, China;
  • 3. Qingdao National Laboratory for Marine Science and Technology, Function Laboratory for Marine Geology and Environment, Qingdao, Shandong 266061, China;
  • 4. V.I. Il'ichev Pacific Oceanological Institute, Russian Academy of Science, Vladivostok 690041, Russia
Funds:  Special Project on Global Change and Ocean-Atmosphere Interations, No. GAST-GEOGE-03; National Natural Science Foundation of China, No. 41420104005,40710069004; Taishan Scholars Program of Shandong
  • Received Date: 2015-08-24
  • Rev Recd Date: 2016-01-19
  • Publish Date: 2016-06-10

Abstract: Both of the 210Pb and sediment grain size in four deep-water multicore sediments which are located in the middle, north and west of Japan Sea are analyzed. The result shows that the sediments mainly consist of silt and clayey silt in the Yamato Ridge, northern part and western slope of Japan Sea over the last 100 years. There is a significant biological disturbance phenomenon of surface sediments in Yamato Ridge and the northern part of the Japan Sea, which does not exist in the western slope. According to the model of Constant Rate of Supply (CRS), we determined the age mode and calculated the sedimentation rate in four multicores. The modern average sedimentation rate in the Japan Sea varied between 0.19~0.42 cm/a, with a lowest value in Yamato Ridge. The mean sediment grain size of four cores showed different vertical patterns, but they simultaneously varied at about 1940 and 1980. We think such simultaneous change is closely related to the variations of Pacific Decadal Oscillation (PDO) and East Asian Summer Monsoon over the last 100 years.

ZONG Xian, SHI XueFa, GE ChenDong, ZOU JianJun, Sergey Gorbarenko, QIAO ShuQing, DONG Zhi. Sedimentation Rate and Implications of Sediment Grain Size of Japan Sea during the Last Hundred Years[J]. Acta Sedimentologica Sinica, 2016, 34(3): 516-522. doi: 10.14027/j.cnki.cjxb.2016.03.009
Citation: ZONG Xian, SHI XueFa, GE ChenDong, ZOU JianJun, Sergey Gorbarenko, QIAO ShuQing, DONG Zhi. Sedimentation Rate and Implications of Sediment Grain Size of Japan Sea during the Last Hundred Years[J]. Acta Sedimentologica Sinica, 2016, 34(3): 516-522. doi: 10.14027/j.cnki.cjxb.2016.03.009
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