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Updated: Jul 16, 2026
05:45
Composition and Distribution Analysis of Bioaerosols Under Different Environmental Conditions
Published on: January 7, 2019
Duration curve analysis for the assessment of pathogen loading from diffuse sources.
1Department of Civil and Environmental Engineering, Hannam University, Daejeon, Korea. kimgh@hannam.ac.kr
Summary
Total coliform levels in the Geum River correlate with flow rate. Diffuse pollution sources, primarily from agricultural runoff, cause exceedances of water quality criteria for total coliform, impacting public health.
Area of Science:
- Environmental microbiology
- Water quality assessment
- Public health
Background:
- Surface water pathogen levels are critical for public health protection.
- Monitoring indicator organisms like total coliform, fecal coliform, and Escherichia coli is essential.
Purpose of the Study:
- To monitor pathogen indicator organisms in the Geum River, Korea.
- To analyze the microbial aspect of rainfall runoff from agricultural-forestry watersheds.
- To estimate total coliform loading and assess water quality compliance.
Main Methods:
- Monitoring of total coliform, fecal coliform, and Escherichia coli at six stations.
- Analysis of microbial content in rainfall runoff.
- Application of the duration curve method for total coliform loading estimation.
- Construction of a standard duration curve for water quality criteria compliance.
Main Results:
- Total coliform concentration in the Geum River showed a strong correlation with flow rate.
- The duration curve method was successfully applied to estimate total coliform loading.
- Water quality criteria for total coliform were frequently exceeded.
- Pollutants from diffuse sources were identified as the primary cause of exceedances.
Conclusions:
- Diffuse pollution significantly contributes to elevated total coliform levels in the Geum River.
- Flow rate is a key factor influencing total coliform concentration.
- Water quality management strategies should address diffuse pollution to protect public health.
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