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美国俄亥俄州中部大德尔比支流上游的水文、水质和恢复潜力研究(摘要)(英文)

四川林业科技 2007年第1期28卷 55-55页

作者：张立威廉.杰.米奇丹尼尔.弗.芬克 Olentangy River Wetland Research Park School of Natural Resources and Environmental Science Graduate Program352 W.Dodridge StreetThe Ohio State UniversityColumbusOH 43202

The restoration of riparian buffers as well as the creation and restoration of wetlands along streams are practices that can be used to control point and non-point source *** study provides hydrology and water quality data from 2000～2002 in anticipation of recommending restoration of the headwaters of the Big Darby Creek Watershed in central *** tributary of concern in the headwaters,Flat Branch,contributed 11% of the total river flow during April 2002 flooding and 56 and 88% of the flow in the headwater study area during non-growing(winter and early spring) and growing(summer and early fall)seasons,*** were significant differences in water chemistry,both temporally and spatially,at each sampling station within the upper *** Branch was seasonally or continuously higher in temperature,pH,and turbidity,and lower in dissolved ions and oxygen than Darby *** dissolved oxygen at dawn during the summer months caused by diurnal metabolism in the water column is also a concern in Darby *** propose the creation/restoration of riparian wetlands at the confluence of the Big Darby and Flat Branch as one solution to degrading water quality in the upper Big Darby *** pulses,particularly from the Flat Branch,Could be directed to riparian wetlands,which would minimize downstream erosion and capture the water exactly when several pollutants(sediments,nitrates,and so forth) are in higher *** restoration area could have flood control,habitat,and ecotourism values as well.

关键词：美国俄亥俄州中部上游水文水质 water quality dissolved oxygen water chemistry flood control water column quality data

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