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Return Volumes of Sudden Siltation Occurred in Outside Waterway of Huanghua Port

[+] Author Affiliations
Sheng Dong, Chunshuo Jiao, Shanshan Tao, Ri Zhang

Ocean University of China, Qingdao, China

Paper No. OMAE2017-61356, pp. V07AT06A028; 5 pages
doi:10.1115/OMAE2017-61356
From:
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 7A: Ocean Engineering
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5773-1
  • Copyright © 2017 by ASME

abstract

Strong wind often raises waves and result in the sediment siltation. The navigation of outside waterway of Huanghua Port is seriously influenced by sudden siltation induced by strong wind. Before outside waterway treatment, the return sudden siltation volumes must be determined previously. The point estimation of return values can be obtained by distribution curve fitting, meanwhile, interval estimation can provide ranges of return values under some fix confidence levels. Based on the sequences of annual maximum sudden siltation of Huanghua Port from 1979 to 2003, and by using curve fittings of lognormal distribution and maximum entropy distribution, and maximum likelihood interval estimation method, the point and interval estimations of return sudden siltation volumes are presented. The results given by the maximum entropy distribution have higher precision, so they can be applied as the reference of the treatment of sediment accumulation.

Copyright © 2017 by ASME

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