Estimation of enterococci input from bathers and animals on a recreational beach using camera images

John D. Wang, Helena M Solo-Gabriele, Amir M. Abdelzaher, Lora E. Fleming

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Enterococci, are used nationwide as a water quality indicator of marine recreational beaches. Prior research has demonstrated that enterococci inputs to the study beach site (located in Miami, FL) are dominated by non-point sources (including humans and animals). We have estimated their respective source functions by developing a counting methodology for individuals to better understand their non-point source load impacts. The method utilizes camera images of the beach taken at regular time intervals to determine the number of people and animal visitors. The developed method translates raw image counts for week days and weekend days into daily and monthly visitation rates. Enterococci source functions were computed from the observed number of unique individuals for average days of each month of the year, and from average load contributions for humans and for animals. Results indicate that dogs represent the larger source of enterococci relative to humans and birds.

Original languageEnglish
Pages (from-to)1270-1278
Number of pages9
JournalMarine Pollution Bulletin
Volume60
Issue number8
DOIs
StatePublished - Aug 1 2010

Fingerprint

Enterococcus
Beaches
cameras
beaches
Animals
beach
Cameras
animal
animals
Birds
Water quality
bird
water quality
methodology
dogs
birds
method

Keywords

  • Animal fecal load
  • Bather shedding
  • Enterococcus
  • Indicator microbe organism
  • Recreational water quality

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography
  • Pollution

Cite this

Estimation of enterococci input from bathers and animals on a recreational beach using camera images. / Wang, John D.; Solo-Gabriele, Helena M; Abdelzaher, Amir M.; Fleming, Lora E.

In: Marine Pollution Bulletin, Vol. 60, No. 8, 01.08.2010, p. 1270-1278.

Research output: Contribution to journalArticle

Wang, John D. ; Solo-Gabriele, Helena M ; Abdelzaher, Amir M. ; Fleming, Lora E. / Estimation of enterococci input from bathers and animals on a recreational beach using camera images. In: Marine Pollution Bulletin. 2010 ; Vol. 60, No. 8. pp. 1270-1278.
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