Source Identification of Nutrient Impairment in North Biscayne Bay, Florida, USA

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The limiting nutrient in North Biscayne Bay identified using the Redfield ratio does not correspond to a significant quantitative relation between measured concentrations of the identified nutrient and chlorophyll a. Strategies for reducing chlorophyll a could focus on the nutrients that are significantly correlated with chlorophyll a. To identify the terrestrial sources of nutrient loads, a novel application of the load-duration curve (LDC) is shown to effectively differentiate between surface runoff and groundwater sources of nutrients in urban drainage canals. It is shown that septic tanks and stormwater-management exfiltration trenches can yield comparable nutrient loadings to groundwater, which might subsequently impact nutrient concentrations in the adjacent bay.

Original languageEnglish (US)
Article number04020101
JournalJournal of Environmental Engineering (United States)
Issue number9
StatePublished - Sep 1 2020
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Engineering
  • Civil and Structural Engineering
  • Environmental Chemistry
  • Environmental Science(all)


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