Interaction and influence of two creeks on Escherichia coli concentrations of nearby beaches: exploration of predictability and mechanisms.
作者： Meredith B. Nevers , Richard L. Whitman , Walter E. Frick , Zhongfu Ge
DOI: 10.2134/JEQ2007.0025
关键词: Water quality 、 Environmental science 、 Pollution 、 Outfall 、 Predictability 、 Current (stream) 、 Hydrology 、 Wave period 、 Wave height
摘要: The impact of river outfalls on beach water quality depends numerous interacting factors. delivery contaminants by multiple creeks greatly complicates understanding the source contributions, especially when pollution might originate up- or down-coast beaches. We studied two beaches along Lake Michigan that are located between creek to determine hydrometeorologic factors influencing near-shore microbiologic and relative creeks. creel's continuously delivered with high concentrations Escherichia coli Michigan, direction transport these bacteria was affected current direction. Current reversals were associated elevated E. at Central Avenue beach. Rainfall, barometric pressure, wave height, period, specific conductance significantly related concentration parameters used in predictive models best described variation Multiple inputs analysis relationship sources but affords opportunities for showing how complex interact yield collective individual effects quality.
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