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2023 Vol.10, Issue 2

Original Article

Natural, Nature-based Features (NNbF) – A Comparative Analysis with Nature-based Solutions (NbS) and Assessment of Its Applicability to Korea

자연/자연기반 특징(NNbF) - 자연기반해법(NbS)과 비교분석 및 국내적용성 평가

Hyoseop Woo1*
우 효섭1*
1Professor, Department of Civil and Environmental Engineering, Sejong University, Seoul 05006, Korea
1세종대학교 건설환경공학부 산학교수
*Corresponding Author
30 June 2023. pp. 31-39
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Abstract

NNbF is a newly emerging approach to reduce flood risk in coastal and fluvial areas using natural features or engineered nature-based features with the expectation of co-benefits of provisional, regulating, and socio-cultural services provided by the ecosystem. NNbF is not quite different from existing, related terms based on nature, such as NbS, Eco-DRR, NI, GI, EwN, and BwN, for all these terms include expectation of benefits for human societies by directly utilizing or mimicking nature’s ecological functions. If we focus on the comprehensiveness of each term’s subject and object, we can say that NbS > NNbF > (Eco-DRR, NI/GI). Among the 18 measures introduced in the NNbF International Guideline in the river and floodplain management category, it was found that measures of wash lands and floodplain restoration, including levee setback/removal and side-channel restoration, seemed to be the most applicable to rivers in Korea. These selected measures could be more effective when river managers purchase riparian lands along river courses by relevant laws for river water-quality protection.

Keywords
Eco-DRR
EwN
Flood risk management
Floodplain restoration
Green infra
NbS
NNbF
Wash land

NNbF는 자연 (경관) 자체나 자연 (과정)을 모방한 경관특징을 이용하여 해안이나 하천에서 홍수위험 저감 편익을 기대하고, 동시에 생태계가 주는 공급, 조절, 사회문화 서비스를 공동편익으로 기대하는 방법론이다. NNbF는 우리말로 간단히 ‘자연·자연기반 특징’이라 쓸 수 있을 것이다. NNbF 이전에 대두된 NbS를 포함하여 Eco-DRR, NI, GI, EwN, BwN 등 유사 개념들은 자연을 직접 이용하거나, 자연과정을 모방하여 인간사회에 편익을 기대한다는 점에서 사실상 서로 크게 다르지 않다. 다만 행위 주체와 목표의 포괄성 면에서, NbS > NNbF > (Eco-DRR, NI/GI)로 정리할 수 있다. NNbF 국제가이드라인에서 하도와 홍수터 관리 범주에서 제시된 총 18개 항목 중 국내하천 여건을 고려하면 천변저류지와 홍수터 복원 (제방 후퇴/철거, 샛강복원 등) 등의 적용성이 높아 보인다. 이 결과는 2022년 별도로 수행된 저자의 다른 연구성과와 일치한다. 특히 현재 시행중인 하천수질 보호를 위한 수변토지 매수정책과 병행하면 그 적용성은 더 높아질 수 있을 것이다.

키워드
Eco-DRR
EwN
홍수위험관리
홍수터복원
그린인프라
NbS
NNbF
천변저류지
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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 10
  • No :2
  • Pages :31-39
  • Received Date : 2023-04-04
  • Revised Date : 2023-04-24
  • Accepted Date : 2023-04-24
  • DOI :https://doi.org/10.17820/eri.2023.10.2.031
Journal Informaiton Ecology and Resilient Infrastructure Ecology and Resilient Infrastructure
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