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中国沿海的赤潮问题 被引量:59
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作者 梁松 钱宏林 齐雨藻 《生态科学》 CSCD 2000年第4期44-50,共7页
统计了中国沿海 1972~ 1998年的赤潮事件 360起 (香港、台湾省未统计在内 ) ,系统介绍了中国赤潮研究概况和研究机构与组织。对中国沿海的赤潮进行分海区分析。根据海洋学特征 ,中国赤潮可分为 :近岸型 (河口和内湾型 )、外海型 (外洋... 统计了中国沿海 1972~ 1998年的赤潮事件 360起 (香港、台湾省未统计在内 ) ,系统介绍了中国赤潮研究概况和研究机构与组织。对中国沿海的赤潮进行分海区分析。根据海洋学特征 ,中国赤潮可分为 :近岸型 (河口和内湾型 )、外海型 (外洋型 )、外来型 (外源型 )、养殖区型赤潮。根据中国近十多年来发生赤潮的现状 ,可归纳为 4个特点 :①频率增高 ;②持续时间长、范围广和危害增大 ;③新记录和有毒种类增多 ;④“双相型”赤潮有上升趋势、类型多样等。 展开更多
关键词 赤潮 区域特征 海洋学分型 历史回顾 中国沿海
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Hydroelasticity Analysis in Frequency Domain and Time Domain
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作者 Frank Lin 《Journal of Shipping and Ocean Engineering》 2016年第2期65-81,共17页
Hydroelasticity has been introduced in ship seakeeping assessment for more than three decades, and it finally becomes an essential tool in marine industry for design of some types of ship. In the 35 years of evolution... Hydroelasticity has been introduced in ship seakeeping assessment for more than three decades, and it finally becomes an essential tool in marine industry for design of some types of ship. In the 35 years of evolution, hydroelasticity methods applied in industry of marine and offshore energy grown up from two dimensional to three dimensional and now has analysis models of linear model in frequency domain and nonlinear model in time domain. In this paper, we present the three dimensional hydroelasticity theory model in frequency domain and time domain, show the difference in the approach, and discuss their applications in wave-structure interaction. 展开更多
关键词 HYDROELASTICITY SPRINGING frequency domain time domain boundary element method LINEAR nonlinear.
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