NUMERICAL COMPUTATION OF THE TRANSIENT SALINITY DISTRIBUTION IN A MACRO-TIDAL ESTUARY

被引：0
|
作者：
Lee, Seung Oh [1 ]
Song, Chang Geun [2 ]
机构：
[1] Hongik Univ, Sch Urban & Civil Engn, Seoul, South Korea
[2] Incheon Natl Univ, Dept Safety Engn, Incheon, South Korea
来源：
JOURNAL OF MARINE SCIENCE AND TECHNOLOGY-TAIWAN | 2017年 / 25卷 / 06期
关键词：
macro-tidal estuary; flow reversal; salinity distribution; hydrodynamic model; advection-dispersion model; saline length; DISPERSION;
D O I：
10.6119/JMST-017-1226-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, the flow reversal and salinity distribution associated with tidal effects were investigated at a macro-tidal estuary located in tidal range of the Yellow Sea in South Korea. A 2-D hydrodynamic model (RMA-2) and a 2D advection-dispersion model (RAM4) were employed to simulate flow behavior and salinity distribution, respectively. The results showed that reverse flow occurred five times over 3-day period and the maximum reverse flow extended over 32.9 km upstream. Salinity distribution was obtained by estimating the salinity input with analytical solution of advection-dispersion equation. The total length of the saline wedge calculated from numerical simulation was in agreement with that obtained from an empirical formula.
引用
收藏
页码：666 / 670
页数：5
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