Evaluating nutrient impacts in urban watersheds: Challenges and research opportunities

Richard O. Carey, George J. Hochmuth, Christopher J. Martinez, Treavor Boyer, Michael D. Dukes, Gurpal S. Toor, John L. Cisar

Research output: Contribution to journalReview article

87 Citations (Scopus)

Abstract

This literature review focuses on the prevalence of nitrogen and phosphorus in urban environments and the complex relationships between land use and water quality. Extensive research in urban watersheds has broadened our knowledge about point and non-point pollutant sources, but the fate of nutrients is not completely understood. For example, it is not known how long-term nutrient cycling processes in turfgrass landscapes influence nitrogen retention rates or the relative atmospheric contribution to urban nitrogen exports. The effect of prolonged reclaimed water irrigation is also unknown. Stable isotopes have been used to trace pollutants, but distinguishing sources (e.g.; fertilizers, wastewater, etc.) can be difficult. Identifying pollutant sources may aid our understanding of harmful algal blooms because the extent of the relationship between urban nutrient sources and algal blooms is unclear. Further research on the delivery and fate of nutrients within urban watersheds is needed to address manageable water quality impacts.

Original languageEnglish (US)
Pages (from-to)138-149
Number of pages12
JournalEnvironmental Pollution
Volume173
DOIs
StatePublished - Feb 2013
Externally publishedYes

Fingerprint

Watersheds
Nutrients
Food
Nitrogen
Water Quality
Research
Water quality
Harmful Algal Bloom
Eutrophication
Fertilizers
Waste Water
Irrigation
Land use
Isotopes
Phosphorus
Wastewater
Water

Keywords

  • Isotopic analyses
  • Non-point source
  • Point source
  • Reclaimed water
  • Septic systems
  • Stormwater
  • Wastewater treatment facilities

ASJC Scopus subject areas

  • Pollution
  • Health, Toxicology and Mutagenesis
  • Toxicology

Cite this

Carey, R. O., Hochmuth, G. J., Martinez, C. J., Boyer, T., Dukes, M. D., Toor, G. S., & Cisar, J. L. (2013). Evaluating nutrient impacts in urban watersheds: Challenges and research opportunities. Environmental Pollution, 173, 138-149. https://doi.org/10.1016/j.envpol.2012.10.004

Evaluating nutrient impacts in urban watersheds : Challenges and research opportunities. / Carey, Richard O.; Hochmuth, George J.; Martinez, Christopher J.; Boyer, Treavor; Dukes, Michael D.; Toor, Gurpal S.; Cisar, John L.

In: Environmental Pollution, Vol. 173, 02.2013, p. 138-149.

Research output: Contribution to journalReview article

Carey, Richard O. ; Hochmuth, George J. ; Martinez, Christopher J. ; Boyer, Treavor ; Dukes, Michael D. ; Toor, Gurpal S. ; Cisar, John L. / Evaluating nutrient impacts in urban watersheds : Challenges and research opportunities. In: Environmental Pollution. 2013 ; Vol. 173. pp. 138-149.
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