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作 者:林于渟 邵铁政[2] 刘鹏 左书华[3] 张义丰 郑斌鑫 LIN Yuting;SHAO Tiezheng;LIU Peng;ZUO Shuhua;ZHANG Yifeng;ZHENG Binxin(Third Institute of Oceanography,MNR,Xiamen 361005,China;CCCC Water Transportation Consultants Co.Ltd.,Beijing 100007,China;Tianjin Research Institute for Water Transport Engineering,National Engineering Research Center of Port Hydraulic Construction Technology,Key Laboratory of Engineering Sediment,Ministry of Transport,Tianjin 300456,China;College of Harbour,Coastal and Offshore Engineering,Hohai University,Nanjing 210098,China)
机构地区:[1]自然资源部第三海洋研究所,厦门361005 [2]中交水运规划设计院有限公司,北京100007 [3]交通运输部天津水运工程科学研究所港口水工建筑技术国家工程研究中心工程泥沙交通行业重点实验室,天津300456 [4]河海大学港口海岸与近海工程学院,南京210098
出 处:《水道港口》2024年第6期859-868,共10页Journal of Waterway and Harbor
基 金:国家自然科学基金项目(51779112);中央级公益性科研院所科研创新基金项目(TKS180405)。
摘 要:海南岛海口湾西海岸海滩在短期内连续受到多次台风影响,基于台风前后海滩剖面实测资料和现场调查,研究了海滩动态变化对连续台风的响应。结果表明:海滩剖面以侵蚀为主,侵蚀下切,滩面坡度变陡是海滩剖面对连续台风动力过程的基本响应;不同位置海滩对台风的响应特征有所不同;假日海滩区受风暴作用后形成了典型的风暴剖面,水下沙坝分布明显,而其他剖面该特征则不明显;假日海滩剖面的台风响应强度最小,五源河口东侧与长滨北五路岸段海滩剖面则局部侵蚀较为严重;各海滩沉积物略有粗化,分选性有所减弱。台风作用下的海滩动态响应机制复杂,近岸地质地貌、台风动力过程和海岸工程等均对海滩的风暴响应产生一定影响。The beach on the west coast of HaikoUBay in Hainan Island is continuously affected by multiple typhoons in a short period of time.Based on the measured beach profile data and field investigation before and after typhoons,the response of beach to continuous typhoons was studied in the paper.The results showed that beach profiles eroded in general,the basic response characteristics of the beach profile to continuous typhoons were the erosion of the beach profile and the increase in beach slope steepness.The response characteristics of beaches at different locations to typhoons were different.A typical storm profile was formed after the post-storm action in the Holiday Beach area,and the distribution of underwater sand bars was obvious,which was absent in other sections.The typhoons′response intensity of the Holiday Beach was the least,while the local erosion of the beach profiles of the east side of Wuyuan Estuary and Changbin North Five Road was more serious.Surficial sediments at each beach were slightly coarsened and the sorting was weakened.The dynamic response mechanism of the beach under continuous typhoons is complex,influenced by nearshore geology and geomorphology,typhoon dynamics,and coastal engineering.
分 类 号:U652[交通运输工程—港口、海岸及近海工程]
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