표제지
목차
I. 서론 8
1. 연구배경 및 목적 8
2. 연구동향 11
II. 이론적 배경 14
1. 비점오염원 14
1.1 비점오염원의 정의 14
1.2 비점오염원의 일반적 특징 15
2. 비점오염물질 17
3. 도시지역의 비점오염원 21
3.1 토지이용별 비점오염 24
3.2 강우시 CSOs의 특성 27
III. 연구내용 및 방법 31
1. 조사대상 지역 31
2. 조사시기 및 방법 33
3. 분석방법 37
IV. 결과 및 고찰 38
1. 강우사상 38
2. 합류식하수관거 월류수 유출특성 41
2.1 건기하수의 유출특성 41
2.2 강우강도에 따른 강우유출수 특성 43
2.3 EMC 및 농도변화분석 51
2.4 월류수와 오염부하량과의 관계 53
2.5 오염물질별 부하량 산정 57
V. 결론 59
참고문헌 61
Abstract 64
감사의 글 65
Table 2-1. The characteristics of point source and non-point source 16
Table 2-2. Bateria Con. on runoff in Ottawa 20
Table 2-3. The characteristics of runoff in urban area 23
Table 2-4. Non-point source of land use type in urban area 25
Table 2-5. The characteristic of SMC and COV 26
Table 2-6. The characteristic of CSO at dry and wet 30
Table 4-1. Classification of rain events 39
Table 4-2. Description of storm event at site 40
Table 4-3. Water quality analysis result in search area 44
Table 4-4. EMC values of the each rainfall events 52
Table 4-5. Regression cofficient of CSO and loading 54
Table 4-6. Pollutant mass loading per watershed area 58
Table 4-7. Pollutant mass loading per rainfall duration 58
Fig. 2-1. Idea of pollution source in urban 22
Fig. 3-1. Sewer map of study area 32
Fig. 4-1. Hydrograph on time type at study area 42
Fig. 4-2. Pollutograph of the sewer in study area 42
Fig. 4-3. Variation of CSOs and rainfall intensity(E-1) 44
Fig. 4-4. Variation of CSOs and rainfall intensity(E-2) 45
Fig. 4-5. Variation of CSOs and rainfall in tensity(E-3) 45
Fig. 4-6. Variation of CSOs and rainfall in tensity(E-4) 46
Fig. 4-7. Variation of CSOs and rainfall intensity(E-5) 46
Fig. 4-8-1. Variation of CSOs and rainfall in tensity(E-6) 47
Fig. 4-8-2. Variation of CSOs and rainfall in tensity(E-7) 47
Fig. 4-9. Variation of CSOs and rainfall in tensity(E-8) 48
Fig. 4-10. Variation of CSOs and rainfall intensity(E-9) 48
Fig. 4-11. Variation of CSOs and rainfall in tensity(E-10) 49
Fig. 4-12. Variation of CSOs and rainfall in tensity(E-11) 49
Fig. 4-13. Variation of CSOs and rainfall in tensity(E-12) 50
Fig. 4-14. Variation of CSOs and rainfall in tensity(E-13) 50
Fig. 4-15. Correlation of CSO and pollutants loading rate 56