Numerical simulation and analysis of saltwater intrusion to Modaomen waterway

LIU Zufa; DING Bo; GUAN Shuai; CHEN Jichen; ZHANG Yonghua; YU Haixia

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Numerical simulation and analysis of saltwater intrusion to Modaomen waterway

更新时间：2023-12-11

- Numerical simulation and analysis of saltwater intrusion to Modaomen waterway
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 55, Issue 6, Pages: 1-9(2016)
- 作者机构：
  
  中山大学水资源与环境研究中心∥华南地区水循环与水安全广东省普通高校重点实验室,广东,广州,510275
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016，
  
  Published Online：25 November 2016，
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LIU Zufa, DING Bo, GUAN Shuai, et al. Numerical simulation and analysis of saltwater intrusion to Modaomen waterway. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 55(6):1-9(2016)
DOI：

LIU Zufa, DING Bo, GUAN Shuai, et al. Numerical simulation and analysis of saltwater intrusion to Modaomen waterway. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 55(6):1-9(2016) DOI：

摘要

根据磨刀门水道2006年11月和2007年1月的实测水位、盐度等资料，利用MIKE3对该地区咸潮上溯进行数值模拟。经率定验证后，水位与盐度模拟结果与实测值契合度较高，两者的拟合效果检测指标均较好。对数值模拟结果进行分析，结果表明：盐度的层化受地形、分流比及潮汐涨落变化等因素的影响，且由分层带来的盐度差造成水体密度差，进而产生垂向环流致使盐度出现异常变化；潮通量与盐通量的变化具有良好的相关性，反映出潮水运动的物质运输载体功能。

Abstract

Saline water intrusions at Modaomen waterway were numerically simulated by using MIKE3 based on measured water levels and salinities in November 2006 and January 2007. Calibrated and validated model showed good fitness for both water level and salinity in case of prediction and observation with good detection indexes. The results indicated that salinity stratification

influenced by topography

diversion ratio and other factors such as tidal fluctuation change

resulted in water density difference and then produced extraordinary change in salinity vertical circulation. The change of salt flux is relative to the tidal flux

suggesting that tide is the carrier of brine.

关键词

数值模拟咸潮磨刀门特征分析

Keywords

MIKE3saline water intrusionModaomen waterwaycharacteristic analysis

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Related Institution

Key Laboratory of Virtual Geographic Environment for the Ministry of Education, Nanjing Normal University

School of Geography and Tourism, Anhui Normal University／ Engineering Technology Research Center of Resources Environment and GIS

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State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University

Key Laboratory of Water Conservation and Water Resources of Anhui Province, Water Resources Research Institute of Anhui Province and Huaihe River Basin

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