제1장 서론·················································································1 1. 연구의 배경 및 목적····························································· 1 2. 연구 방법 및 내용································································· 2 1) 연구 방법·········································································· 2 2) 연구 내용·········································································· 3 3. 연구 추진체계········································································· 4 제2장 물순환 여건··································································5 1. 물순환의 개념········································································· 5 1) 물순환················································································ 5 2) 도시화로 인한 물순환 과정 변화··································· 6 2. 물순환 관련 정책··································································· 9 1) 국가 정책·········································································· 9 2) 지방자치단체 시책························································· 18 3. 부산지역 물순환 여건························································· 26 1) 물순환 왜곡의 원인······················································· 26 2) 물순환 왜곡의 결과······················································· 31 제3장 온천천유역 자연적 물순환량···································39 1. 온천천 유역 특성································································· 39 1) 유역 현황········································································ 39 2) 온천천유역 불투수면 변화············································ 40 2. 수문모형 구축······································································· 42 1) SWMM-LID 모형··························································· 42 2) 모형의 보･검정······························································· 47 3. 자연적 물순환량 산정························································· 50 1) 2016년 자연적 물순환량··············································· 50 2) LID 시설 적용전･후 자연적 물순환량························ 51 제4장 물순환 회복을 위한 제도 개선방안························57 1. 물순환 회복 기본방향 및 과제·········································· 57 2. 물순환 회복 체계 마련······················································· 59 1) 도시 물순환 관리계획 수립·········································· 59 2) 물순환 회복 조례 제정·················································· 60 3) 그린인프라 점진적 설치················································ 62 3. 제도적 시행 기반 구축······················································· 63 1) 저영향개발 사전협의제도·············································· 63 2) 물순환 통합관리 협업 행정시스템 구축····················· 64 4. 정책 추진 거버넌스 강화···················································· 66 1) 민간 참여 활성화··························································· 66 2) 물순환관리위원회 운영·················································· 66 제5장 결론 및 정책 제언·····················································69 1. 결론························································································ 69 2. 정책 제언·············································································· 72 참고문헌 ··················································································77 Abstract ····················································································79

<표 Ⅱ-1> 물순환 관련 국토교통부 소관 법령 및 지침········ 12 <표 Ⅱ-2> 물순환 관련 환경부 소관 법령 및 지침················ 15 <표 Ⅱ-3> 물순환 관련 행정안전부 소관 법령 및 지침········ 17 <표 Ⅱ-4> 지방자치단체 물순환 관련 조례 제정 현황·········· 19 <표 Ⅱ-5> 서울시 건강한 물순환 도시 추진 노력·················· 22 <표 Ⅱ-6> 부산시 물순환 관련 시설 현황······························· 25 <표 Ⅱ-7> 부산지역 토지피복도 대분류 항목 면적 변화······· 26 <표 Ⅱ-8> 부산지역 상수도 시설 현황····································· 30 <표 Ⅱ-9> 부산지역 공공하수처리시설 현황··························· 31 <표 Ⅱ-10> 부산지역 집중호우 피해액 및 복구액 현황········ 33 <표 Ⅱ-11> 부산지역 지하수함양량 변화································· 34 <표 Ⅱ-12> 하수처리구역 내 하천수･계곡수 유입 현황········ 35 <표 Ⅱ-13> 하천유지용수 공급 하천········································ 36 <표 Ⅱ-14> 부산지역 일부 도시하천 수질 현황····················· 37 <표 Ⅲ-1> 부산지역 토지피복도 대분류 항목 면적 변화······· 40 <표 Ⅲ-2> 물순환 분석 수문모형 비교····································· 42 <표 Ⅲ-3> SWMM 모형의 특성················································· 43 <표 Ⅲ-4> 온천천유역 소유역별 지형정보 및 수문학적 특성 46 <표 Ⅲ-5> 온천천유역 소유역별 토지피복 분류······················ 47 <표 Ⅲ-6> 2016년 온천천유역 자연적 물순환량····················· 50 <표 Ⅲ-7> 온천천유역 시나리오별 LID 시설 면적················· 52 <표 Ⅲ-8> 온천천유역 21.3㎜ 강우시 자연적 물순환량········ 53 <표 Ⅲ-9> 온천천유역 40.7㎜ 강우시 자연적 물순환량········ 54 <표 Ⅳ-1> 물순환 개념 도입 계획 및 사업 추진 현황·········· 59 <표 Ⅳ-2> 주요 지방자치단체 물순환 조례 주요내용············ 61 <표 Ⅳ-3> 서울시 저영향개발 사전협의 실적························· 63

<그림 Ⅰ-1> 연구 추진체계도······················································ 4 <그림 Ⅱ-1> 물순환 개념도·························································· 5 <그림 Ⅱ-2> 도시지역의 물순환 개념도····································· 6 <그림 Ⅱ-3> 도시화가 물순환에 미치는 영향···························· 7 <그림 Ⅱ-4> 우리나라 물순환 관련 법령··································· 9 <그림 Ⅱ-5> 부산지역 토지피복 변화······································· 27 <그림 Ⅱ-6> 부산지역 대지화 면적 변화································· 28 <그림 Ⅱ-7> 부산지역 상수도 공급구역도······························· 29 <그림 Ⅱ-8> 부산지역 하수처리 구역도··································· 30 <그림 Ⅱ-9> 부산지역 강수량 경년 변화································· 32 <그림 Ⅱ-10> 하수처리구역 내 하천수･계곡수 유입지점도··· 35 <그림 Ⅲ-1> 온천천유역 토지피복 변화··································· 41 <그림 Ⅲ-2> SWMM 모의 해석과정········································· 44 <그림 Ⅲ-3> 온천천유역 소유역 구분······································· 45 <그림 Ⅲ-4> SWMM-LID 모형의 보정····································· 48 <그림 Ⅲ-5> SWMM-LID 모형의 검정····································· 49 <그림 Ⅳ-1> 부산시 물순환 회복 기본방향 및 과제·············· 57