潮汐循环影响下上覆水环境因子和氮营养盐的变化及其相关关系

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The influence of tidal cycle on the physical and chemical characters of overlying water is important for the variation of physical and chemical environmental parameters at the estuary. Based on the analysis of samples and environmental parameters taken from Chongming East Intertidal Flat and Donghai Beach, it is found that, in the intertidal flat, there were good relationships among these parameters. Except turbidity, other parameters represented the process with a “U” shaped variation; in Donghai Beach, the relationships among these parameters were weak. At the beginning of a flood in the intertidal flat, inorganic nitrogen was released rapidly; but in Donghai Beach, at the beginning, the NH4+N fell down quickly and NO3-N decreased slowly. In Chongming East Intertidal Flat or in Donghai Beach, significant negative relationship was observed between TIN and S (salinity).

Key words: tidal cycle, overlying water, environmental parameters, inorganic nitrogen

QU Fan,LIU Min,HOU Lijun,XU Shiyuan,LIU Qiaomei,OU Dongni. CHANGE OF ENVIRONMENTAL PARAMETERS AND INORGANIC NITROGEN IN OVERLYING WATER IN RELATION WITH TIDAL CYCLES[J].RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2007, 16(3): 345-345.

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CHANGE OF ENVIRONMENTAL PARAMETERS AND INORGANIC NITROGEN IN OVERLYING WATER IN RELATION WITH TIDAL CYCLES

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