Nutrient Concentrations and Loads and Escherichia coli Densities in Tributaries of the Niantic River Estuary, Southeastern Connecticut, 2005 and 2008?

ISBN-13: 9781500265694 / Angielski / Miękka / 2014 / 36 str.

John R. Mullaney

Opis

Nutrient concentrations and loads and Escherichia coli (E. coli) densities were studied in 2005 and from 2008 through 2011 in water-quality samples from tributaries of the Niantic River Estuary in southeastern Connecticut. Data from watershed in June 2005 were used to determine the range of total nitrogen concentrations (0.09 to 2.4 milligrams per liter), instantaneous loads (less than 1 to 62 pounds per day) and the yields of total nitrogen ranging from 0.02 to 11.2 pounds per square mile per day (less than 1 to 7.2 kilograms per hectare per year) from basin segments. Nitrogen yields were positively correlated with the amount of developed land in 15N) 18O) ranged from 3.9 to 9.4 per mil and 0.7 to 4.1 per mil, respectively, indicating that likely sources of sewage or animal waste, or a mixture of these sources.

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