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Influential factors on the exchange rate of dissolved inorganic nutrients at the sediment-water interface in Jiaozhou Bay,China

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【作者】 王修林； 蒋凤华； 石晓勇； 祝陈坚； 韩秀荣；

【Author】 WANG Xiulin, JIANG Fenghua, SHI Xiaoyong, ZHU Chenjian, HAN Xiurong (College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China) (The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China)

【机构】 College of Chemistry and Chemical Engineering Ocean University of China； The First Institute of Oceanography State Oceanic Administration； College of Chemistry and Chemical Engineering Ocean University of China； Qingdao 266003 China； Qingdao 266061； China；

【摘要】 Incubation experiments are carried out to study the exchange rates of dissolved inorganic nutrients including silicate, phosphate, ammonium, nitrite, and nitrate (vSiO3-Si, vPO4-P, vNH4-N, vNO2-N and vNO3-N) at the sediment-water interface in the Jiaozhou Bay. Major factors influencing the exchange rates are discussed in detail, which include the dissolved inorganic nutrient concentrations in porewater (Cpw), water and clay contents, and grain size of the sediments (CH2O, Cclay and GSsed). The results may provide insight into the dynamics of nutrient transport and the environmental capacity of nutrients in Jiaozhou Bay, and should be beneficial to solving the problems caused by excessive nutrient input this area.

【Abstract】 Incubation experiments are carried out to study the exchange rates of dissolved inorganic nutrients including silicate, phosphate, ammonium, nitrite, and nitrate (vSiO3-Si, vPO4-P, vNH4-N, vNO2-N and vNO3-N) at the sediment-water interface in the Jiaozhou Bay. Major factors influencing the exchange rates are discussed in detail, which include the dissolved inorganic nutrient concentrations in porewater (Cpw), water and clay contents, and grain size of the sediments (CH2O, Cclay and GSsed). The results may provide insight into the dynamics of nutrient transport and the environmental capacity of nutrients in Jiaozhou Bay, and should be beneficial to solving the problems caused by excessive nutrient input this area.

【关键词】 influential factor； exchange rate； dissolved inorganic nutrients； sediment-water interface； Jiaozhou Bay；
【Key words】 influential factor； exchange rate； dissolved inorganic nutrients； sediment-water interface； Jiaozhou Bay；
【基金】 This research was partially supported by the National Natural Science Foundation of China (Nos 40136020 and 49976027);the Key Project of Chinese Ministry of Education (No.01110).
  • 【文献出处】 Chinese Journal of Oceanology and Limnology ,中国海洋湖沼学报(英文版) , 编辑部邮箱 ,2007年03期
  • 【分类号】P734.44
  • 【被引频次】3
  • 【下载频次】81
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