人工岛与海岸整治工程下波流动力响应特征
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摘要
针对秦皇岛洋河口至戴河口海岸整治工程,采用数值模拟方法研究该区域潮流和波浪对人工岛及海岸整治工程的响应特征,发现人工岛与海岸整治工程共同存在时对潮流的影响并非二者单独作用的线性叠加,而是存在着非线性的关系,而常浪对人工岛和海岸整治工程的响应基本上为对二者单独作用响应的线性叠加.同时建立海岸整治工程时预留潮汐通道有助于保证工程海域的水体交换,减小对周边环境的影响.这些结果对相似海岸动力的海滩整治工程可提供科学参考.
Based on the beach nourishment project between the Yanghe Estuary and the Daihe Estuary,the numerical simulation method is adopted to study wave-current coupled hydrodynamic responses to artificial island and beach nourishment projects.It can be found that changes in tidal current caused by the combination of artificial island and beach nourishment projects are not linear superposition of differences induced by artificial island project and beach nourishment project respectively,however,the changes in wave field have a linear superposition relationship.Reserving tidal channel in beach nourishment project is necessary for good water exchange, which benefits alleviating its influence to surrounding environment.The findings can provide a reference for beach nourishment under similar conditions.
Based on the beach nourishment project between the Yanghe Estuary and the Daihe Estuary,the numerical simulation method is adopted to study wave-current coupled hydrodynamic responses to artificial island and beach nourishment projects.It can be found that changes in tidal current caused by the combination of artificial island and beach nourishment projects are not linear superposition of differences induced by artificial island project and beach nourishment project respectively,however,the changes in wave field have a linear superposition relationship.Reserving tidal channel in beach nourishment project is necessary for good water exchange, which benefits alleviating its influence to surrounding environment.The findings can provide a reference for beach nourishment under similar conditions.
引文
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[2]英晓明,贾后磊,曹玲珑,等.海南儋州人工岛建设对海床冲淤影响数值模拟[J].海洋通报,2014,16(2):37.YING Xiaoming,JIA Houlei,CAO Linglong,et al.Numerical modeling of seabed morphological effects from the construction of artificial islands in Danzhou,Hainan[J].Marine Science Bulletin,2014,16(2):37.
[3]张志明,刘连生,钱立明,等.海上大型人工岛设计关键技术研究[J].水运工程,2011(9):1.ZHANG Zhiming,LIU Liansheng,QIAN Liming,et al.On key design technology for large offshore man-made island[J].Port&Waterway Engineering,2011(9):1.
[4]VAN RIJN LC.Coastal erosion and control[J].Ocean&Coastal Management,2011,54(12):867.
[5]MUJABAR P S,CHANDRASEKAR N.Coastal erosion hazard and vulnerability assessment for southern coastal Tamil Nadu of India by using remote sensing and GIS[J].Natural Hazards,2013,69(3):1295.
[6]张明慧,孙昭晨,梁书秀,等.海岸整治修复国内外研究进展与展望[J].海洋环境科学,2017,36(4):635.ZHANG Minghui,SUN Zhaochen,LIANG Shuxiu,et al.Progress of coastal environment repairing and cleaning engineering research and its prospect[J].Marine Environmental Science,2017,36(4):635.
[7]朱嘉,刘建辉,蔡晓琼.珠江口外伶仃岛海滩修复研究[J].海洋开发与管理,2014(11):36.ZHU Jia,LIU Jianhui,CAI Xiaoqiong.Study on the beach renovation on the Nei Lingding Island in Zhujiang Estuary[J].Ocean Development and Management,2014(11):36.
[8]CHARLIER R H,De MEYER C P.Coastal defense and beach renovation[J].Ocean and Shoreline Management,1989,12(5):525.
[9]匡翠萍,冒小丹,顾杰,等.海域水动力对老虎石海滩养护响应关系分析[J].同济大学学报(自然科学版),2014,42(5):689.KUANG Cuiping,MAO Xiaodan,GU Jie,et al.Analysis of hydrodynamic response to beach nourishment at Tiger-Rock Beach[J].Journal of Tongji University:Natural Science,2014,42(5):689.
[10]王晓纯.数值模拟人工岬角对海岸演变的控制作用[D].大连:大连理工大学,2004.WANG Xiaochun.Numerical simulation of man-made headland on shore evolution control[D].Dalian:Dalian University of Technology,2004.
[11]张伟,吴建政,朱龙海,等.威海湾岸滩整治工程冲淤趋势[J].海洋湖沼通报,2009(2):137.ZHANG Wei,WU Jianzheng,ZHU Longhai,et al.The erosion and deposition trend for the sand beach regulation projects in the south area of Weihai Bay[J].Transactions of Oceanology and Limnology,2009(2):137.
[12]季荣耀,徐群,莫思平,等.港珠澳大桥人工岛对水沙动力环境的影响[J].水科学进展,2012,23(6):829.JI Rongyao,XU Qun,MO Siping,et al.Effects on the hydrodynamics and sediment environment by artificial islands of the Hong Kong-Zhuhai-Macao Bridge[J].Advances in Water Science,2012,23(6):829.
[13]Danish Hydraulic Institute.MIKE 21&MIKE 3 flow model hydrodynamics and transport module science documentation[M].[S.l.]:DHI Water&Environment,2014.
[14]Danish Hydraulic Institute.MIKE 21 spectral wave module scientific documentation[M].Denmark:DHI Water&Environment,2014.
[15]刘浩.仙螺岛建设可行性及其对环境影响的研究[D].青岛:中国海洋大学,2000.LIU Hao.Research on the feasibility of an artificial island construction and its influences on environments[D].Qingdao:Ocean University of China,2000.
[16]王中起,韩志远,严冰.秦皇岛海域水文泥沙特征分析[J].水道港口,2010,31(4):247.WANG Zhongqi,HAN Zhiyuan,YAN Bing.Hydrographic and sediment characteristics in Qinhuangdao sea area[J].Journal of Waterway and Harbor,2010,31(4):247.
[17]安永宁,杨鲲,王莹,等.MIKE21模型在海洋工程研究中的应用[J].海岸工程,2013,32(3):1.AN Yongning,YANG Kun,WANG Ying,et al.Application of MIKE21 model into marine engineering research[J].Coastal Engineering,2013,32(3):1.
[18]ISLAM M M,IQBAL M S,LEEMANS R,et al.Modelling the impact of future socio-economic and climate change scenarios on river microbial water quality[J].International Journal of Hygiene and Environmental Health,2018,221(2):283.
[19]ZHANG Shenming,XU Zhenghe,KE Kong.Simulation and analysis on flow and pollutant of Jinan Queshan Reservoir[C]∥Advances in Computer Science,Intelligent System and Environment.Guangzhou:Springer Publishing Company,2011:693-699.
[20]白莹.黄河突发性水污染事故预警及生态风险评价模型研究[D].南京:南京大学,2013.BAI Ying.Water pollution accident warning model development and ecological risk assessment research along Yellow River Basin[D].Nanjing:Nanjing University,2013.
[21]WILLMOTT C J.On the validation of models[J].Physical Geography,1981,2(2):184.
[22]PAN Y,KUANG C,GU J,et al.Assessment of a measure for water exchange strengthening of artificial headland bays based on shoreline change and flushing time[J].Journal of Coastal Research,2014,30(3):615.