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其他题名: Spatial characteristics and formation mechanisms of bottom hypoxia zone in the Bohai Sea during summer
作者: 张华; 李艳芳; 唐诚; 邹涛; 于靖; 郭凯
刊名: 科学通报
ISSN号: 0023-074X
出版日期: 2016-05-20
卷号: 61, 期号:14, 页码:1612-1620
关键词: 渤海 ; 低氧 ; 层化 ; 有机质 ; 生态灾害
DOI: 10.1360/N972015-00915
产权排序: 中国科学院烟台海岸带研究所;
通讯作者: 张华,中国科学院烟台海岸带研究所 海岸带环境过程与生态修复重点实验室,
作者部门: 中科院海岸带环境过程与生态修复重点实验室
中文摘要: 近海低氧区的发生是影响海洋生态系统健康的重要因素,也是海洋科学的研究热点.通过对2014年渤海夏季(8月末)航次观测数据的深入分析及与春(4月末)、秋(11月)两季观测的对比,研究了半封闭的渤海底层低氧区的分布特征、形成机制、及其与温盐结构的关系.结果表明,春季和秋季渤海底部溶解氧(DO)>8 mg/L,但在夏季出现大范围底部DO低值区,其中DO<7.8).冷水区稳定的沉积...
英文摘要: Formation of hypoxia zone in coast seas is a critical factor influencing the health of marine ecosystem and has becoming a focus of ocean science. The Bohai Sea in northeastern China is a semi-enclosed shallow sea receiving tremendous amount of terrestrial input of nutrients and sediments from several large rivers as well as coastal municipalities and has suffered serious eutrophication in the last two decades. Seasonal hypoxia has been reported on some locations in the Bohai Sea but relative few studies have been carried out to reveal its physical and biological mechanisms. Based on analysis of observation data from cruises conducted in the Bohai Sea in spring (May), summer (August), and autumn (November) of year 2014, this study investigated the spatial characteristics, formation mechanisms of bottom hypoxia zone in the Bohai Sea and its relationship with the seasonal thermocline. The results demonstrated that bottom dissolved oxygen (DO) was > 8 mg/L in Spring and Autumn of the Bohai Sea, but a large zone with low bottom DO appeared in Summer, among which are hypoxia zones (DO
项目资助者: 中国科学院战略性先导专项(XDA11020305),中国科学院重点部署项目(KZZD-EW-14) ; 青年“千人计划”项目资助
文章类型: 期刊论文
收录类别: CSCD
语种: 中文
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内容类型: 期刊论文
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作者单位: 中国科学院烟台海岸带研究所

Recommended Citation:
张华,李艳芳,唐诚,等. 渤海底层低氧区的空间特征与形成机制[J]. 科学通报,2016,61(14):1612-1620.
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