| 九龙江河口湾区冬季海水二甲基硫浓度的分布特征 |
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| 引用本文： | 马奇菊,胡敏,刘玲莉,朱彤,戴民汉.九龙江河口湾区冬季海水二甲基硫浓度的分布特征[J].环境科学,2004,25(5):47-51. |
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| 作者姓名： | 马奇菊 胡敏 刘玲莉 朱彤 戴民汉 |
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| 作者单位： | 1. 北京大学环境学院环境科学系环境模拟与污染控制国家联合重点实验室,北京,100871
2. 厦门大学海洋环境实验室,厦门,361005 |
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| 基金项目： | 国家自然科学基金资助项目(20177002,20131160731,30230310) |
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| 摘 要： | 以九龙江河口湾区为研究区域探寻受人为干扰严重的河口湾区DMS排放规律.2001年冬季采样调查发现在九龙江河口和湾口区叶绿素、盐度和营养盐等环境因子呈现出区域差异,海水DMS也存在明显的空间分布特征,平均浓度分别为101.0和242.1 ng·L-1.随着海水盐度从低到高,DMS浓度出现先降低后升高的现象,DMS高值出现在九龙江最大浑浊带的河口峰面处.
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| 关 键 词： | 九龙江河口 二甲基硫 盐度 营养盐 河口最大浑浊带 |
| 文章编号： | 0250-3301(2004)05-0047-05 |
| 收稿时间： | 2003/11/6 0:00:00 |
| 修稿时间： | 2004/1/14 0:00:00 |
Spatial Distribution of Seawater Dimethylsulfide in Winter of Jiulong Jiang Estuary |
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| MA Qi ju,HU Min,LIU Ling li,ZHU Tong and DAI Min han.Spatial Distribution of Seawater Dimethylsulfide in Winter of Jiulong Jiang Estuary[J].Chinese Journal of Environmental Science,2004,25(5):47-51. |
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| Authors: | MA Qi ju HU Min LIU Ling li ZHU Tong and DAI Min han |
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| Institution: | State Key Joint Laboratory of Environmental Simulation and pollution Control, Department of Environmental Sciences, College of Environmental Sciences, Peking University, Beijing 100871, China. |
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| Abstract: | Cruise investigation of dimethylsulfide (DMS) emission in estuarine areas, heavily disturbed by human activities, was carried out in the winter of 2001 in Jiulong Jiang Estuary. The concentrations of chlorophyll, salinity and nutrients showed evidently spatial distribution in Jiulong Jiang Estuary, so did DMS concentrations in surface water. The average of seawater DMS was 101.0 and 242.1 ng·L-1 in river mouth area and gulf area, respectively. DMS concentrations decreased first with the increase of seawater salinity and then increased. The highest DMS concentration occurred at river plume front of maximum turbidity zone of the estuary. |
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| Keywords: | Jiulong Jiang Estuary dimethylsulfide salinity nutrients estuarine maximum turbidity zone |
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