NDLI: Spatial and temporal variability of fecal indicator bacteria in an urban stream under different meteorological regimes.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Cha, Sung Min Lee, Seung Won Park, Yong Eun Cho, Kyung Hwa Lee, Seungyoon Kim, Joon Ha
Spatial Coverage	Korea
Description	Country affiliation: South Korea Author Affiliation: Cha SM ( Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Buk-gu, Gwangju 500-712, South Korea.)
Abstract	As a representative urban stream in Korea, the Gwangju (GJ) stream suffers from chronic fecal contamination. In this study, to characterize levels of fecal pollution in the GJ stream, the monthly monitoring data for seven years (from 2001 to 2007) and the hourly monitoring data from two field experiments were examined with respect to seasonal/daily variations and spatial distribution under wet and dry weather conditions. This research revealed that concentrations of fecal indicator bacteria strongly varied depending on the prevalent meteorological conditions. That is, during the dry daytime, fecal indicator bacteria concentrations decreased due to inactivation from solar irradiation, but rapidly increased in the absence of sunlight, suggesting external source inputs. In addition, bacterial concentrations substantially increased during rainfall events, due probably to a major contribution from combined sewer overflow. The observations in this study can be useful for implementing fecal pollution management strategies and for predicting fecal contamination as a function of meteorological conditions.
File Format	HTM / HTML
ISSN	02731223
Issue Number	12
Volume Number	61
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2010-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Feces Microbiology Rivers Water Supply Standards Environmental Monitoring Methods Fresh Water Geologic Sediments Humans Korea Meteorology Time Factors Urban Population Waste Disposal, Fluid Water Microbiology Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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