台风对舟山海域上升流和叶绿素分布的影响  

Impact of typhoon on the upwelling and chlorophyll distribution in the Zhoushan sea area

作　　者：杨伟 黄菊 于潭[1] YANG Wei;HUANG Ju;YU Tan(College of Marine Sciences,Shanghai Ocean University,Shanghai 201306,China;College of Marine Ecology and Environment,Shanghai Ocean University,Shanghai 201306,China;State Key Laboratory of Estuarine and Coastal Research,East China Normal University,Shanghai 200241,China)

机构地区：[1]上海海洋大学海洋科学学院,上海201306 [2]上海海洋大学海洋生态与环境学院,上海201306 [3]华东师范大学河口海岸学国家重点实验室,上海200241

出　　处：《厦门大学学报（自然科学版）》2020年第S01期24-31,共8页Journal of Xiamen University：Natural Science

基　　金：国家自然科学基金海洋科学基地野外实践能力提高项目(J1310037);国家自然科学基金(41906152);空间海洋遥感与应用研究重点实验室开放基金(201702002);中国科学院海洋环流与波动重点实验室开放基金(KLOCW1801)。

摘　　要：基于2015年7月和2016年7月对舟山海域的调查数据,分析该海域温度、盐度分布状况特征,探讨了该区域上升流及叶绿素的分布情况,研究了上升流生成的物理机制.结果表明:该海域2015年7月和2016年7月上升流所在区域海表温度较周围海域低,且2016年7月海水表层与底层温度之差普遍在4℃以上,海水层化程度较2015年同期海域高.受台风过境的影响,2015年7月海表温度较低,且上升流的强度较2016年同期强,台风对上升流具有加强作用.台风过境区域的海表叶绿素质量浓度有所提高,且这一变化有时间延迟.Based on the survey data in the Zhoushan sea area in July of 2015 and 2016,the characteristics of temperature and salinity distribution in this area were analyzed,and the distributions of upwelling and chlorophyll in this area were discussed.The results show that the sea surface temperature in the upwelling area in July of 2015 and 2016 was lower than that in the surrounding waters.In July,2016,the difference between the surface temperature and the bottom temperature was generally above 4℃.The stratification degree was greater in 2016 than in 2015.Affected by the typhoon transit,the sea surface temperature was lower in July,2015,and the intensity of the upwelling was greater than in 2016.The typhoon strengthened the upwelling.The chlorophyll mass concentration of the sea surface thcreased in the typhoon transit area,and the change was delayed.

关 键 词：舟山海域 台风 上升流 叶绿素 

分 类 号：P731.1[天文地球—海洋科学]