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[ 19 ] 章光新, 邓伟, 邹立芝. 龙口市海水入侵动态系统分析与防治对策[ J]. 环境污染与防治, 2001(6):
317-319.
[ 20 ] 杨蕴, 吴剑锋, 林锦, 等. 控制海水入侵的地下水多目标模拟优化管理模型[J]. 水科学进展, 2015, 26
(4): 579-588.
[ 21 ] JAVADIA, HUSSAIN M, SHERIF M, et al. Multi-objective optimization of different management scenarios to
control seawater intrusion in coastal aquifers[J]. Water Resources Management, 2015, 29(6): 1843-1857.
[ 22 ] ROY D K, DATTA B. Multivariate adaptive regression spline ensembles for management of multilayered coastal aq⁃
uifers[J]. Journal of Hydrologic Engineering, 2017, 22(9): 04017031.
[ 23 ] LANGEVIN C D, THORNE JR D T, DAUSMAN A M, et al. SEAWAT Version 4: A Computer Program for Sim⁃
ulation of Multi-species Solute and Heat Transport[R]. Geological Survey (US), 2008.
[ 24 ] DEB K, PRATAP A, AGARWAL S, et al. A fast and elitist multiobjective genetic algorithm: NSGA-II[J].
IEEE Transactions on Evolutionary Computation, 2002, 6(2): 182-197.
[ 25 ] 沈媛媛, 蒋云钟, 雷晓辉, 等. 地下水数值模型在中国的应用现状及发展趋势[J]. 中国水利水电科学研
究院学报, 2009, 7(1): 57-61.
[ 26 ] 南统超, 潘硕, 张江江, 等. 基于随机行走的海岛地下水流替代模型构建方法[J]. 水利学报, 2023, 54
(6): 696-705.
Three-dimensional numerical simulation and mixed-integer multi-objective
optimization for preventing seawater intrusion using subsurface dams
1,2 1,2 1 3 4
YIN Jina , LU Chunhui , SHEN Chengji , CHEN Huawei , CHEN Lin
(1. The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210024, China;
2. Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210024, China;
3. Water Resources Research Institute of Shandong Province, Jinan 250013, China;
4. China Geological Survey Shenyang Geological Survey Center, Shenyang 110000, China)
Abstract: Coastal areas suffer from seawater intrusion due to over-exploitation of groundwater resources. Subsur⁃
face dam can prevent seawater intrusion, but a large amount of saline water will be trapped at the landside of the
dam. Due to unknown saltwater retreat mechanism, oversimplified models and single remediation strategy behind
subsurface dams under complex hydrogeological conditions, this study proposes a method coupling 3D numerical
simulation with multi-objective intelligent optimization for seawater intrusion control using subsurface dams. Taking
the Huangshuihe Reservoir area of Longkou City in Shandong Province as a case study, a 3D variable-density
groundwater flow and salt transport model was constructed using SEAWAT_V4. The SEAWAT_V4 model was then
coupled with an improved NSGA-II to establish a mixed-integer multi-objective intelligent optimization model to
control seawater intrusion, considering two conflicting objectives of reducing the total amount of groundwater extrac⁃
tion-injection as well as minimizing seawater intrusion. The results show that effectiveness of controlling saltwater
intrusion is remarkably affected by locations and lengths of the subsurface dam. Saltwater extraction and freshwater
injection can form a regional hydraulic barrier, effectively remediate saline water at the landside of the dam, and
significantly slow down the extent of seawater intrusion. The Pareto-optimal front obtained from the optimization
framework provides a widely spread optimal saltwater extraction and freshwater injection strategies, which can meet
different management needs of decision makers.
Keywords: subsurface dam; seawater intrusion; groundwater numerical simulation; multi-objective optimization;
saltwater extraction and freshwater injection
(责任编辑: 李 娜)
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