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The Impact Of Stream-Groundwater Exchange On Seasonal Nitrate Loads In An Urban Stream, Julio I. Beltran
The Impact Of Stream-Groundwater Exchange On Seasonal Nitrate Loads In An Urban Stream, Julio I. Beltran
Theses - ALL
Urbanization negatively impacts water quality in streams by reducing stream-groundwater interactions, which reduces the stream’s ability to naturally attenuate nitrate. Meadowbrook Creek, a first order urban stream in Syracuse, New York, has a negative urbanization gradient that results in urbanized headwaters that are disconnected from the floodplain, and downstream reaches that have intact riparian floodplains and connection to riparian aquifers. This system allows us to assess how stream-aquifer interactions in urban streams impact the net sources and sinks of nitrate at the reach scale. We used continuous (15-minute) streamflow measurements, along with weekly grab samples at three gauging stations positioned …