Numerical studying on the sedimentary processes at a mudflat near Yangtze River

Numerical studying on the sedimentary processes at a mudflat near Yangtze River
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长江沿岸滩涂沉积过程的数值研究

DOI:
10.2112/si85-241.1
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发表时间:
2018-05
影响因子:
--
通讯作者:
Yu Lili
Yu Lili
中科院分区:
地球科学4区
文献类型:
--
作者:
Xu Chunyang;Chen Yongping;Yu Lili

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摘要 徐春云;陈Y.P.,于L.L.,2018。长江沿岸滩涂沉积过程的数值研究。载于:Shim,J.-S.; Chun, I. 和 Lim, H.S. (编辑),2018 年国际海岸研讨会 (ICS) 论文集(韩国釜山)。沿海研究杂志,特刊第 85 号,第 1201-1205 页。椰子溪(佛罗里达),ISSN 0749-0208。提出了用于研究沉积过程的两相模型。两相模型中加入了简单的絮凝模型,​​以考虑絮凝对沉降速度的影响,从而考虑悬浮泥沙浓度的分布。该模型用于研究滩涂的沉积过程,并显示悬浮泥沙浓度并与测量数据进行比较。结果表明,在预测泥沙浓度垂直剖面时考虑絮凝效应非常重要。
ABSTRACT Xu, C.Y.; Chen, Y.P., and Yu, L.L., 2018. Numerical Studying on The Sedimentary Processes at A Mudflat Near Yangtze River. In: Shim, J.-S.; Chun, I., and Lim, H.S. (eds.), Proceedings from the International Coastal Symposium (ICS) 2018 (Busan, Republic of Korea). Journal of Coastal Research, Special Issue No. 85, pp. 1201–1205. Coconut Creek (Florida), ISSN 0749-0208. A two-phase model for studying the sedimentation processes is presented. The simple flocculation model is incorporated in the two-phase model to take account the flocculation effects on the settling velocity and thus the distribution of suspended sediment concentration. The model is applied to study the sedimentation processes at a mudflat and the suspended sediment concentration is presented and compared with measured data. The results show that it is important to include the flocculation effects in predicting the vertical profile of sediment concentration.
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