Impacts of coastal stormwater pond nitrogen cycling on downstream water quality Public Deposited

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  • March 20, 2019
Creator
  • Gold, Adam
    • Affiliation: College of Arts and Sciences, Curriculum in Environment and Ecology
Abstract
  • This thesis investigates the impacts of stormwater pond nitrogen cycling on downstream water quality by using long-term stream water quality monitoring data and nitrogen cycling data from within stormwater ponds collected on Marine Corps Base Camp Lejeune in North Carolina. A comparison of water quality before and after watershed development and stormwater wet pond implementation showed that wet ponds did not mitigate the negative effects of development on water quality. Additionally, wet ponds were shown to be sources of suspended solids and algae and sinks for nitrate. Summer measurements of net N2 fluxes from the sediment-water interface from a chronosequence of pond sediments showed net nitrogen fixation throughout the summer. Also, the response of net sediment N2 fluxes to nitrate loading was negatively correlated with pond age.
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  • In Copyright
Advisor
  • Piehler, Michael
  • Cable, Jaye
  • Band, Lawrence
Degree
  • Master of Science
Degree granting institution
  • University of North Carolina at Chapel Hill Graduate School
Graduation year
  • 2017
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