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| 河口/近海区域低氧形成的物理机制研究进展 | |
| 引用本文： | 王海龙,丁平兴,沈健.河口/近海区域低氧形成的物理机制研究进展[J].海洋科学进展,2010,28(1). |
| 作者姓名： | 王海龙 丁平兴 沈健 |
| 作者单位： | 1. 广东省电力设计研究院,广东,广州,510663 2. 华东师范大学,河口海岸学国家重点实验室,上海,200062 3. Virginia Institute of Marine Science,The College of William & Mary,Gloucester Point VA 23062,USA |
| 基金项目： | 国家重点基础发展规划中荷战略联盟项目——河口海岸区域物理与生态过程之间相互作用(973-2004CB720505) |
| 摘 要： | 低氧/缺氧已成为严重威胁河口/近海与陆架浅海生态系统安全的要素之一。生物地球化学过程大量耗氧与水体分层限制表、底层水体交换是河口/近海低氧/缺氧问题的直接原因;而河口/近海和陆架海的各种物理过程控制了营养盐和有机质输运、水体层化,成为导致低氧/缺氧发生的根本原因之一。先讨论了近几年来国内外主要大河河口/近海和陆架浅海低氧现象发生的物理机制:径流冲淡水、潮汐、风、环流对低氧的影响,以及低氧对海-气大尺度变化和气候变化的响应等。再以长江口为例,重点分析了水动力过程对长江口夏季底层低氧的具体影响,同时对溶解氧统计模型和动力学模型的研究工作进行了阐述。最后对各种研究方法的优缺点进行总结,对长江口外海夏季底层低氧的研究工作进行了展望。 |
| 关 键 词： | 河口/近海 陆架海 低氧/缺氧 层化 物理机制 |
Advances in the Study on Physical Mechanism of Hypoxia Formation in Estuary and Coastal Sea |
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| WANG Hai-long,DING Ping-xing,SHEN Jian.Advances in the Study on Physical Mechanism of Hypoxia Formation in Estuary and Coastal Sea[J].Advances in Marine Science,2010,28(1). | |
| Authors: | WANG Hai-long DING Ping-xing SHEN Jian |
| Institution: | 1.Guangdong Electric Power Design Institute;Guangzhou 510663;China;2.State Key Laboratory of Estuarine and Coastal Research;East China Normal University;Shanghai 200062;3.Virginia Institute of Marine Science;The College of William & Mary;Gloucester Point VA 23062;USA |
| Abstract: | Hypoxia/anoxia is one of the most important factors that has exerted seriously affacting to the ecosystem safety in the estuary/coastal sea.The hypoxia in the estuary/coastal sea is considered to be directly related to the large amount of oxygen comsumption caused by biogeochemical processes and the restriction of surface-bottom water exchange due to water stratification,but the essential reason for leading to the formation of hypoxia/anoxia in the estuary,coastal and shelf seas is the controlling of variou... |
| Keywords: | estuary/coastal sea shelf sea hypoxia/anoxia stratification physical mechanism |
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