Influential factors on the exchange rate of dissolved inorganic nutrients at the sediment-water interface in Jiaozhou Bay, China |
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作者单位: | 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,College of Chemistry and Chemical Engineering Ocean University of China,College of Chemistry and Chemical Engineering Ocean University of China,Qingdao 266003 China,Qingdao 266061,China,Qingdao 266003 China,Qingdao 266003 China,Qingdao 266003 China |
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基金项目: | 国家自然科学基金;教育部重点计划项目 |
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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.
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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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Authors: | WANG Xiulin JIANG Fenghua SHI Xiaoyong ZHU Chenjian HAN Xiurong |
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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. |
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Keywords: | influential factor exchange rate dissolved inorganic nutrients sediment-water interface Jiaozhou Bay |
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