Abstract
The motion of fluid mud is extremely complex, especially at the early stage after storm. To study the movement of storm-induced fluid mud, the vertical distribution of mud density was measured with the densitometer at several stations in Lianyun channel and Xuwei channel of Lianyungang Harbor, Jiangsu Province, China, after the Typhoon Damrey, and this measure was repeated every several days. With those data, some characteristics of fluid mud motion were analyzed, including the time variation of vertical density distribution of fluid mud, and the vertical average density value, and the thickness of fluid mud at each station. Further, the storm-induced fluid mud both in two waterways disappears after 9 days later since the storm landed. The main manner of motion was consolidation, and only about 20–30 % fluid mud was eroded, except two special segments where mainly due to bed slopes and hydrodynamic forces. The fluid mud consolidates fast in the early stages after forming, and then slows down gradually. The investigation of fluid mud motion was recommended to be arranged on the 1st, 2nd, 3rd, 5th, 7th, and 9th day. The time arrangement and methods might be references for subsequent field observation and study on fluid mud movement.
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Acknowledgments
This paper is funded by the National High Technology Research and Development Program(“863”Program) of China (2012AA112509).
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Qixiu, P., Ruibo, Z. (2014). In-Situ Fluid Mud Motion Investigation in Channel After Storm. In: Lollino, G., Manconi, A., Locat, J., Huang, Y., Canals Artigas, M. (eds) Engineering Geology for Society and Territory – Volume 4. Springer, Cham. https://doi.org/10.1007/978-3-319-08660-6_27
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DOI: https://doi.org/10.1007/978-3-319-08660-6_27
Publisher Name: Springer, Cham
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