Browsing by Subject Faecal indicator organism

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  • Authors: Buckerfield, S.J.;  Advisor: -;  Participants: Quilliam, R.S.; Waldron, S.; Naylo, L.A.; Li, S.; Oliver, D.M. (2019)

  • During the wet season, hourly water sampling was undertaken throughout five storm events to characterise in high detail E. coli emergence with resulting flow across multiple sites of varying catchment area, stream order, and land-use. E. coli concentration was found to increase by 1–3 orders of magnitude following rainfall events. Maximum E. coli concentration and speed of E. coli recession were influenced by rainfall (amount, intensity), timing of agricultural activities, and position in the hydrological system. For high intensity events ∼90% of the cumulative E. coli export occurred within 48 h. E. coli concentration increased with increasing discharge at all sites. E. coli concentr...