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Chinese Science Bulletin

, Volume 50, Issue 21, pp 2493–2504 | Cite as

Identifying paleoflood deposits archived in Zhongba Site, the Three Gorges reservoir region of the Yangtze River, China

  • Cheng Zhu
  • Chaogui Zheng
  • Chunmei Ma
  • Zhibin Sun
  • Guangyao Zhu
  • Huilin Wang
  • Huazhong Gao
  • Pengling Wang
  • Run Huang
Articles

Abstract

Based on the principle that the present is the key to the past, detailed analyses, such as AMS14C dating, grain size, component and morphology of heavy minerals, micro-morphology of zircon, Rb/Sr, magnetic susceptibility and total organic carbon (TOC), were conducted to identify paleoflood sediments archived in Zhongba Site. The results indicate that the plaeoflood sediments bear great similarities with modern flood sediments in the following aspects: (1) probability cumulative curves mainly show a pattern of 3–4 segments; (2) grain-size distribution of suspended matter ranges between 3 and 10Φ; (3) the sediments are well-sorted, most of which are suspended matter (>50%); (4) the same species, quantity and morphology of heavy minerals; (5) scanning electronic microscope images show that shapes of zircon are mainly oval and nearly spheral, rounded due to long-distance transport; (6) higher Rb/Sr values (0.55 –0.66)than those of sediments from cultural layers (0.03 –0.26); (7) magnetic susceptibility values (133.73–433.05 10−6m3/kg) are lower than those of sediments from cultural layers (959.25–2442.44 10−6 m3/kg); (8) TOC (0.14%–0.33%) are lower than those of sediments from cultural layers (1.13%–2.95%). Our results demonstrate that, except for the 1981 flood, there are at least six paleoflood events that occurred during the Qing Dynasty, the middle of Song Dynasty, the early Warring States (400BC–350BC), the West Zhou Dynasty (920BC–900BC), the Xia Dynasty (2070BC–600BC), and the late Neolithic Age (3000BC–2300BC), respectively.

Keywords

Zhongba Site identification of paleoflood deposits shape of zircon Rb/Sr magnetic susceptibility geochemistry indexes 

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References

  1. 1.
    Sun Zhibin, Luo Longhong, Zhonba Site in Zhongxian County, in One Hundred Archaeological Discoveries During a Decade in China (ed. Li Wenru) (in Chinese), Beijing: Cultural Relic Press, 2002, 264–268.Google Scholar
  2. 2.
    Sheffer, N. A., Enzel, Y., Benito, G., Paleofloods in southern France — the Ardeche River, Palaeofloods, historical floods and climatic variability: applications in flood risk assessment, in Proc. of the PHEFRA International Workshop, Barcelona (eds. V. R. Thorndycraft, G. Benito, M. Barriendos, M. C.), 2003, 25–31.Google Scholar
  3. 3.
    Kochel, R. C., Baker, V. R., Paleoflood Hydrology, Science, 1982, 215: 353–361.CrossRefGoogle Scholar
  4. 4.
    Sarah, L. B., Paul, R. B., Andrea, L. et al., 10000 yr record of extreme hydrologic events, Geology, 2000, (28)4: 335–338.Google Scholar
  5. 5.
    Gale, A. N., Charles, G. G., The world’s largest floods, past and present: their causes and magnitudes, Geological Survey Circular, U.S. (ed. O’Connor J. E., Costa J. E.), 2004, 1254(13): 1–10.Google Scholar
  6. 6.
    Yang Dayuan, Xie Yuebo, A preliminary study on paleoflood Deposit and is Level in Yellow River Valley near Xiaolangdi Village, Journal of Hohai University (in Chinese), 1997, 25(3): 86–89.Google Scholar
  7. 7.
    Xie Yuebo, Liu Jintao, Shen Qipeng, Paleoflood Deposits on Xiaolangdi Reach of YellowRiver, Journal of Hohai University (in Chinese), 2001, 29(4): 27–30.Google Scholar
  8. 8.
    Xia Zhengkai, Wang Zhanhong, Zhao Qingchun, Extreme flood events and climate change around 3500 aBP in the Central Plains of China, Science in China, Ser. D, 2004, 47(7): 599–606.Google Scholar
  9. 9.
    Pan Fengying, Yuan Ding, Floodwater depositional marks of lake facies deposit in Wujindang lake within Xinhua City, Journal of Nanjing Normal University (Natural Science) (in Chinese), 1996, 19(3): 78–84.Google Scholar
  10. 10.
    Zhu Cheng, Song Jian, You Kunyuan et al., Research on the reasons of culture interruption in Maqiao Site, Chinese Science Bulletin (in Chinese), 1996, 41(2): 148–152.Google Scholar
  11. 11.
    Zhu Cheng, Zheng Chaogui, Ma Chunmei et al., On the Holocene sea-level highstand along the Yangtze Delta and Ningshao Plain, East China, Chinese Science Bulletin, 2003, 48(24): 2672–2683.Google Scholar
  12. 12.
    Zhu Cheng, Yu Shiyong, Shi Wei, Holocene deposits and paleo-floods on the north bank of the Yangtze River, Nanjing area, Geographical Research (in Chinese), 1997, 16(4): 23–30.Google Scholar
  13. 13.
    Zhu Cheng, Yu Shiyong, Lu Chuncheng, Archaeology and extreme flood disaster in the Three Gorges of the Yangtze River, Acta Geographica Sinica (in Chinese), 1997, 52(3): 268–278.Google Scholar
  14. 14.
    Yu Shiyong, Zhu Cheng and Qu Weizheng, Role of climate in the rise and fall of Neolithic cultures on the Yangtze Delta, BOREAS, 2000, 29(2): 157–165.CrossRefGoogle Scholar
  15. 15.
    Yu Shiyong, Zhu Cheng and Wang Fubao, Radiocarbon constraints on the Holocene flood deposits of the Ning-Zhen Mountains, Lower Yangtze River area of China, Journal of Quaternary Science, 2003, 18(6): 521–525.CrossRefGoogle Scholar
  16. 16.
    Chen Jun, Qiu Gang, Lu Huayu et al., The geochemical evidence of monsoonal changes in Rb, Sr in Loess Plateau since 130kaBP, Chinese Science Bulletin, 1996, 41(21): 1963–1966.Google Scholar

Copyright information

© Science in China Press 2005

Authors and Affiliations

  • Cheng Zhu
    • 1
    • 2
  • Chaogui Zheng
    • 1
    • 3
  • Chunmei Ma
    • 1
  • Zhibin Sun
    • 4
  • Guangyao Zhu
    • 5
  • Huilin Wang
    • 1
  • Huazhong Gao
    • 1
  • Pengling Wang
    • 1
  • Run Huang
    • 1
  1. 1.Department of Urban and Resources SciencesNanjing UniversityNanjingChina
  2. 2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth EnvironmentChinese Academy of SciencesXi’anChina
  3. 3.Department of GeographyChuzhou CollegeChuzhouChina
  4. 4.Institute of Cultural Relics and ArchaeologyChengduChina
  5. 5.Department of Humanity and Social SciencesBengbu CollegeBengbuChina

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