| Study on Dissolved Trace Metals in Sea Surface Microlayer in Daya Bay |
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| 作者姓名： | 张正斌 刘春颖 刘莲生 于琳 王肇鼎 |
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| 作者单位： | [1]InstituteofMarineChemistry,OceanUniversityofChina,Qingdao,266003,China [2]SouthChinaSeaInstituteofOceanology,ChineseAcademyofScience,Guangzhou510301,China |
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| 基金项目： | ThisprojectwassupportedbytheNational“NinthFive YearPlan”ScientificResearchProject (No .97 92 6 0 4 0 3 )，NSFCNo .40 0 760 2 0，theResearchGrantforDoctoralProgramofHigherEducation (No .980 42 3 0 4)andProjectKZ95T 0 4 0 4 0 4Fund |
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| 摘 要： | Glass-plate sampling during 1988- 1999 in Daya Bay and suitable corresponding analytical methods were used for the measurement of dissolved trace metals, dissolved organic carbon, biological oxygen demand, chemical oxygen demand, salinity of the sea surface mierolayer and subsurface water. Apparent enrichment mechanism and diurnal variation have been revealed for dissolved trace metals in the microlayer in Daya Bay. The more dissolved organic matter was enriched in the sea surface microlayer, the more dissolved trace metals were enriched in the layer. The organic matter played an important role in the enrichment process. The diurnal variations of dissolved trace metals showed that their concentration was apparently inversely related to the tide activity that the concentration was low during rising tide, but high during falling tide. The behavior of dissolved trace metals expressed by the diurnal variation was clearly opposite to that of salinity.
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| 关 键 词： | 取样 测量 金属 溶解 碳 氧 生物学 大亚湾 |
| 收稿时间： | 24 December 2002 |
| 修稿时间： | 17 January 2003 |
Study on dissolved trace metals in sea surface microlayer in Daya Bay |
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| Zhang?Zhengbin,Liu?Chunying,Liu?Liansheng,Yu?Lin,Wang?Zhaoding.Study on Dissolved Trace Metals in Sea Surface Microlayer in Daya Bay[J].Chinese Journal of Oceanology and Limnology,2004,22(1):54-63. |
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| Authors: | Zhang Zhengbin Liu Chunying Liu Liansheng Yu Lin Wang Zhaoding |
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| Institution: | (1) Institute of Marine Chemistry, Ocean University of China, 266003 Qingdao, China;(2) South China Sea Institute of Oceanology, Chinese Academy of Science, 510301 Guangzhou, China |
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| Abstract: | Glass-plate sampling during 1988-1999 in Daya Bay and suitable corresponding analytical methods were used for the measurement of dissolved trace metals, dissolved organic carbon, biological oxygen demand, chemical oxygen demand, salinity of the sea surface microlayer and subsurface water. Apparent enrichment mechanism and diurnal variation have been revealed for dissolved trace metals in the microlayer in Daya Bay. The more dissolved organic matter was enriched in the sea surface microlayer, the more dissolved trace metals were enriched in the layer. The organic matter played an important role in the enrichment process. The diurnal variations of dissolved trace metals showed that their concentration was apparently inversely related to the tide activity that the concentration was low during rising tide, but high during falling tide. The behavior of dissolved trace metals expressed by the diurnal variation was clearly opposite to that of salinity. |
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| Keywords: | Daya Bay sea surface microlayer dissolved trace metals enrichment of trace metals |
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