Short- and long-term sediment transport in western Bohai Bay and coastal areas

Huan Feng; Weiguo Zhang; Li Jia; Michael P. Weinstein; Qiufeng Zhang; Dekui Yuan; Jianhua Tao; Lizhong Yu

doi:10.1007/s00343-010-9099-x

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Short- and long-term sediment transport in western Bohai Bay and coastal areas

OriginalPaper | Updated：2023-05-16

- Short- and long-term sediment transport in western Bohai Bay and coastal areas
- Short- and long-term sediment transport in western Bohai Bay and coastal areas
- 海洋湖沼学报（英文） 2010年28卷第3期页码：583-592
- Affiliations：
  
  1. Department of Earth and Environmental Studies Montclair State University
  2. State Key Laboratory of Estuarine and Coastal Research East China Normal University
  3. Institute for Sustainability Studies Montclair State University
  4. Marine Environmental Monitoring and Forecasting Center
  5. Department of Mechanics Tianjin University
- Author bio：
- Funds：
  
  Supported by the New Jersey Sea Grant (No. 6560-0000, H. Feng) and the Tianjin Science and Technology Committee (No. 06YFGHHZ01500)
- DOI：10.1007/s00343-010-9099-x
  中图分类号：
- 网络首发：2010-05-20，
  
  纸质出版：2010
- Accepted：
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Short- and long-term sediment transport in western Bohai Bay and coastal areas[J]. 海洋湖沼学报（英文）, 2010,28(3):583-592.

Feng, H., Zhang, W., Jia, L. et al. Short- and long-term sediment transport in western Bohai Bay and coastal areas., Chin. J. Ocean. Limnol. 28, 583–592 (2010). https://doi.org/10.1007/s00343-010-9099-x
Short- and long-term sediment transport in western Bohai Bay and coastal areas[J]. 海洋湖沼学报（英文）, 2010,28(3):583-592. DOI： 10.1007/s00343-010-9099-x.

Feng, H., Zhang, W., Jia, L. et al. Short- and long-term sediment transport in western Bohai Bay and coastal areas., Chin. J. Ocean. Limnol. 28, 583–592 (2010). https://doi.org/10.1007/s00343-010-9099-x DOI：

摘要

Abstract

Sediment cores (∼40–100 cm) were collected at 12 locations in the western Bohai Bay

the Haihe River estuary

the Yongding River estuary and the Tianjin Harbor

China

during 24–26 July 2007

and analyzed for 7Be and 210Pb activities. Due to localized hydrodynamic patterns and frequent disturbance from dredging activities

steady-state sedimentation features were not observed in this study. As demonstrated in the 7Be and 210Pb profiles

the temporal and spatial variations of these radionuclides support a non-steady state depositional environment in the study area. By comparing 7Be and 210Pb inventories in the sediments with those of the atmospheric source

we found that: 1) sediments dredged from the Tianjin Harbor or eroded from nearby estuarine and coastal areas are retained in the western Bohai Bay for relatively short intervals (several months)

as reflected in the relatively high 7Be inventories in the western Bohai Bay; 2) over the long-term (years to decades)

210Pb inventories in the sediments imply that there is a net on-shore transport of sediments

and the sediments are mass-balanced in the entire study area. Overall

our results suggest that the sediments are retained in the estuaries and the western Bohai Bay despite local variability in sediment dynamics and disturbance due to human activities.

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references

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