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1 March 2016 An Influence of Salinity on Resuspension of Cohesive Sediment
Kyunghoi Kim, Han-sam Yoon, In-Cheol Lee, Tadashi Hibino
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Kim, K.H.; Yoon, H.S., Lee, I.C. and Hibino, T., 2016. An influence of Salinity on Resuspension of Cohesive Sediment. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International Coastal Symposium (Sydney, Australia). Journal of Coastal Research, Special Issue, No. 75, pp. 68–72. Coconut Creek (Florida), ISSN 0749-0208.

Field observations were carried out at Tenma River which passes through Hiroshima City to investigate turbidity variations in various salinity conditions. And resuspension experiments with cohesive sediments were conducted using an unidirectional flow channel with varying salinity. Changes in the sediment strength due to the salinity variation were evaluated by using liquid limit test. It was found that turbidity varied in reverse proportion to the salinity in the Tenma River. Also, increases in salinity reduced the resuspension flux and enhanced the settling velocity of cohesive sediment by enhancing the cohesion between the particles. From the results obtained above, we concluded that salinity is an important factor in the transport of cohesive sediment in addition to shear stress and water content in estuaries and blackish rivers.

©Coastal Education and Research Foundation, Inc. 2016
Kyunghoi Kim, Han-sam Yoon, In-Cheol Lee, and Tadashi Hibino "An Influence of Salinity on Resuspension of Cohesive Sediment," Journal of Coastal Research 75(sp1), 68-72, (1 March 2016).
Received: 15 October 2015; Accepted: 15 January 2016; Published: 1 March 2016
blackish river
cohesive sedimenet
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