考虑波浪影响的警戒潮位核定规范在深圳沿海的应用
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摘要
以深圳沿海为例,对考虑波浪影响的《警戒潮位核定规范》在沿海警戒潮位核定工作中的应用进行了研究。为核定深圳市警戒潮位值,对深圳市沿海防潮能力、防潮重点区域及历史潮灾情况进行了调查梳理,建立了堤防能力和潮灾情况资料库。将深圳市沿海划分为4个核定岸段,确定了岸段等级,结合岸段保护目标的社会经济情况、水文气象要素特征等的统计分析结果,计算各岸段重现期潮位和波浪爬高等要素,确定警戒潮位核定修正值,最终得到深圳沿海4个核定岸段的四色警戒潮位值,为深圳市风暴潮灾害预警和防灾减灾提供支持。重点介绍了对波浪重现期要素和波浪爬高的计算,以供参考。
Application of"Specification for warning water level determination"was studied by the case of Shenzhen coastal warning water level determination. In order to determine the warning water level of Shenzhen coast, capacity of storm surge prevention, key areas of storm surge prevention and historical disasters of storm surge were investigated and analyzed, and database of defense capability of seawall and storm surge disasters was established. Coastline of Shenzhen was divided into four warning water level determination coasts, and the importance of each coast was ascertained. Considering the statistic and analysis result of socialized economic situation and the characteristic of hydrological and atmospheric factors of the protection targets in each coast, tide level with different return periods, wave run-up for each coast and the correction value of warning water level were calculated. Warning water level determination results of four colors(i.e. four grades) for each determination coast were determined, which would provide support for storm surge warnings and marine disaster prevention and reduction. The whole work was based on the "Specification for warning water level determination".Calculation of wave parameters with different return periods and wave run-up were mainly illustrated for reference, which was new in the determination specification.
Application of"Specification for warning water level determination"was studied by the case of Shenzhen coastal warning water level determination. In order to determine the warning water level of Shenzhen coast, capacity of storm surge prevention, key areas of storm surge prevention and historical disasters of storm surge were investigated and analyzed, and database of defense capability of seawall and storm surge disasters was established. Coastline of Shenzhen was divided into four warning water level determination coasts, and the importance of each coast was ascertained. Considering the statistic and analysis result of socialized economic situation and the characteristic of hydrological and atmospheric factors of the protection targets in each coast, tide level with different return periods, wave run-up for each coast and the correction value of warning water level were calculated. Warning water level determination results of four colors(i.e. four grades) for each determination coast were determined, which would provide support for storm surge warnings and marine disaster prevention and reduction. The whole work was based on the "Specification for warning water level determination".Calculation of wave parameters with different return periods and wave run-up were mainly illustrated for reference, which was new in the determination specification.
引文
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[4]曹兵,邬惠明,徐常三,等.警戒潮位核定规范的几个问题探讨[J].海洋预报,2016,33(5):70-77.
[5]李健,刘清容,连喜虎,等.警戒潮位核定中建立年极值水位序列的方法研究[J].海洋开发与管理,2017,34(6):77-80.
[6]李琪,李丕学,聂源.上海海域警戒潮位核定岸段选址研究[J].科技风,2013,(15):107,109.
[7]熊嘉才,冯朝材,朱万里,等.地形高程数据在警戒潮位核定合理性分析及应急决策中的应用[J].海洋预报,2016,33(4):17-25.
[8]李希彬,李杰,王鲁宁,等.天津市沿海警戒潮位核定研究[J].海洋预报,2015,32(3):73-77.
[9]顾家悦,储鏖,申云飞,等.芦潮港岸段警戒潮位研究[J].中国标准化,2017,(6):240-241.
[10]费岳军.宁波市沿海海洋灾害风险调查及警戒潮位核定[M].北京:海洋出版社,2015.
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[12]中国气象局.台风年鉴(1981-1988)和热带气旋年鉴(1989-2013)[M].北京:气象出版社,1981-2015.
[13]杨干然,陈良圭.妈湾港的波浪特征与台风浪推算[J].热带海洋,1987,6(1):66-72.
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