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Liao KW, Thedy J, Tai CC. Fluvial flood adaptation using nature-based solutions: A comprehensive and effective assessment of hydro-meteorological risks. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169329. [PMID: 38101626 DOI: 10.1016/j.scitotenv.2023.169329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/11/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023]
Abstract
The growing prominence of Nature-based Solutions (NbS) for disaster risk reduction (DRR) has sparked increased interest. This study is motivated by the need to establish a quantifiable and standardized method for assessing the risks mitigated by NbS in engineering applications. The goal is to establish a comprehensive and effective system framework for assessing hydro-meteorological risks related to NbS in engineering applications. The proposed framework considers flood disaster mechanisms, uncertain factors, and ecosystem services, integrating them to comprehensively assess the benefits of NbS. Specifically, 2-D hydraulic analysis and an in-house adaptive Kriging-based reliability analysis are developed and applied to establish flood prevention standards for NbS. Additionally, the InVEST toolkit is utilized to evaluate ecosystem services. To demonstrate the applicability of the framework, the Baoli River Watershed located in Pingtung County of Taiwan is selected as a case study. It is found that NbS can effectively withstand a 25-year return period flood and reduce flooding on agricultural land by 46.03 %. Furthermore, the probability of flooding decreased from 100 % to 27 % for a 20-year return period flood. NbS was found to provide approximately NT$1.20-4.65 million more in total benefit value compared to the engineering governance strategy. The supporting source codes are available at https://github.com/johnthedy/Adaptive-Kriging-Using-PSO-HHs-in-HECRAS3D.git.
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Affiliation(s)
- Kuo-Wei Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan.
| | - John Thedy
- National Taiwan University, Taipei, Taiwan
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Enu KB, Zingraff-Hamed A, Boafo YA, Rahman MA, Pauleit S. Citizens' acceptability and preferred nature-based solutions for mitigating hydro-meteorological risks in Ghana. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 352:120089. [PMID: 38228045 DOI: 10.1016/j.jenvman.2024.120089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 12/30/2023] [Accepted: 01/08/2024] [Indexed: 01/18/2024]
Affiliation(s)
- Kirk B Enu
- School of Life Sciences, Chair for Strategic Landscape Planning and Management, Technical University of Munich, Emil-Ramann-Str. 6, 85354, Freising, Germany.
| | - Aude Zingraff-Hamed
- ENGEES National School for Water and Environmental Engineering, 1 cour des cigarières, CS 61039, 67070, Strasbourg, France; Université de Strasbourg, CNRS, ENGEES, UMR 7362 LIVE (Image, City, Environment Laboratory), 3 rue de l'Argonne, 67000, Strasbourg, France
| | - Yaw Agyeman Boafo
- Center for Climate Change and Sustainability Studies, College of Basic and Applied Science, University of Ghana, P.O. Box LG 25, Accra, Ghana
| | - Mohammad A Rahman
- School of Life Sciences, Chair for Strategic Landscape Planning and Management, Technical University of Munich, Emil-Ramann-Str. 6, 85354, Freising, Germany
| | - Stephan Pauleit
- School of Life Sciences, Chair for Strategic Landscape Planning and Management, Technical University of Munich, Emil-Ramann-Str. 6, 85354, Freising, Germany
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Anderson CC, Moure M, Demski C, Renaud FG. Risk tolerance as a complementary concept to risk perception of natural hazards: A conceptual review and application. RISK ANALYSIS : AN OFFICIAL PUBLICATION OF THE SOCIETY FOR RISK ANALYSIS 2024; 44:304-321. [PMID: 37259281 DOI: 10.1111/risa.14161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 05/02/2023] [Accepted: 05/12/2023] [Indexed: 06/02/2023]
Abstract
There is a longstanding assumption that if people perceive a risk as high, they will act to reduce it. In fact, research has shown a lack of consistently strong causal relations between risk perception (RP) and mitigative behavior-the so-called "risk perception paradox." Despite a recent increase in research on RP, individuals' risk tolerance (RT; or demand for risk reduction) only rarely appears as a consideration for explaining behavioral response to natural hazards. To address this research gap, we first systematically review relevant literature and find that RT has been directly assessed or operationalized using perceived thresholds related to costs and benefits of risk reduction measures, risk consequences, hazard characteristics, behavioral responses, or affective reactions. It is either considered a component or a result of RP. We then use survey data of individuals' RP, RT, and behavioral intention to assess relations among these variables. Comparing across three European study sites, "behavioral intention" is assessed as the public's willingness to actively support the implementation of nature-based solutions to reduce disaster risk. A series of tests using regression models shows RT significantly explains variance in behavioral intention and significantly contributes additional explanatory power beyond RP in all three sites. In two sites, RT is also a significant partial mediator of the relation between RP and behavior. Taken together, our findings demand further conceptual and empirical research on individuals' RT and its systematic consideration as a determinant for (in)action in response to natural hazards.
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Affiliation(s)
- Carl C Anderson
- School of Interdisciplinary Studies, University of Glasgow, Dumfries, Scotland, UK
- Institute of Geography, Ruhr University Bochum, Bochum, Germany
| | - Mar Moure
- Department of Food and Resource Economics, University of Copenhagen, Copenhagen, Denmark
| | - Christina Demski
- Department of Psychology and the Centre for Climate Change and Social Transformation (CAST), University of Bath, Bath, UK
| | - Fabrice G Renaud
- School of Interdisciplinary Studies, University of Glasgow, Dumfries, Scotland, UK
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Gonzalez-Ollauri A, Mickovski SB, Anderson CC, Debele S, Emmanuel R, Kumar P, Loupis M, Ommer J, Pfeiffer J, Panga D, Pilla F, Sannigrahi S, Toth E, Ukonmaanaho L, Zieher T. A nature-based solution selection framework: Criteria and processes for addressing hydro-meteorological hazards at open-air laboratories across Europe. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 331:117183. [PMID: 36634425 DOI: 10.1016/j.jenvman.2022.117183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 11/11/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Nature-based solutions (NbS) can be beneficial to help human communities build resilience to climate change by managing and mitigating related hydro-meteorological hazards (HMHs). Substantial research has been carried out in the past on the detection and assessment of HMHs and their derived risks. Yet, knowledge on the performance and functioning of NbS to address these hazards is severely lacking. The latter is exacerbated by the lack of practical and viable approaches that would help identify and select NbS for specific problems. The EU-funded OPERANDUM project established seven Open-Air Laboratories (OALs) across Europe to co-develop, test, and generate an evidence base from innovative NbS deployed to address HMHs such as flooding, droughts, landslides, erosion, and eutrophication. Herein, we detail the original approaches that each OAL followed in the process of identifying and selecting NbS for specific hazards with the aim of proposing a novel, generic framework for selecting NbS. We found that the process of selecting NBS was overall complex and context-specific in all the OALs, and it comprised 26 steps distributed across three stages: (i) Problem recognition, (ii) NbS identification, and (iii) NbS selection. We also identified over 20 selection criteria which, in most cases, were shared across OALs and were chiefly related to sustainability aspects. All the identified NbS were related to the regulation of the water cycle, and they were mostly chosen according to three main factors: (i) hazard type, (ii) hazard scale, and (iii) OAL size. We noticed that OALs exposed to landslides and erosion selected NbS capable to manage water budgets within the soil compartment at the local or landscape scale, while OALs exposed to floods, droughts, and eutrophication selected approaches to managing water transport and storage at the catchment scale. We successfully portrayed a synthesis of the stages and steps followed in the OALs' NbS selection process in a framework. The framework, which reflects the experiences of the stakeholders involved, is inclusive and integrated, and it can serve as a basis to inform NbS selection processes whilst facilitating the organisation of diverse stakeholders working towards finding solutions to natural hazards. We animate the future development of the proposed framework by integrating financial viability steps. We also encourage studies looking into the implementation of the proposed framework through quantitative approaches integrating multi-criteria analyses.
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Affiliation(s)
- Alejandro Gonzalez-Ollauri
- The BEAM Research Centre, School of Computing, Engineering and Built Environment, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK.
| | - Slobodan B Mickovski
- The BEAM Research Centre, School of Computing, Engineering and Built Environment, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK
| | - Carl C Anderson
- School of Interdisciplinary Studies, University of Glasgow, Dumfries, DG1 4ZL, Scotland, UK; Institute of Geography, Ruhr University Bochum, Universitätsstraße 150, 44805, Bochum, Germany
| | - Sisay Debele
- Global Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - Rohinton Emmanuel
- The BEAM Research Centre, School of Computing, Engineering and Built Environment, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK
| | - Prashant Kumar
- Global Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, GU2 7XH, UK; Department of Civil, Structural & Environmental Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Michael Loupis
- Innovative Technologies Centre (ITC), Alketou 25, Athens, 11633, Greece; General Department, National & Kapodistrian University of Athens, Psachna, 15772, Greece
| | - Joy Ommer
- KAJO S.r.o., Sladkovicova 228/8, 01401, Bytca, Slovakia; Department of Geography and Environmental Science, University of Reading, Reading, UK
| | - Jan Pfeiffer
- Institute of Interdisciplinary Mountain Research, Austrian Academy of Sciences, Innrain 25, 6020, Innsbruck, Austria
| | - Depy Panga
- Innovative Technologies Centre (ITC), Alketou 25, Athens, 11633, Greece
| | - Francesco Pilla
- School of Architecture, Planning and Environmental Policy, University College Dublin Richview, Clonskeagh, Dublin, D14 E099, Ireland
| | - Srikanta Sannigrahi
- School of Architecture, Planning and Environmental Policy, University College Dublin Richview, Clonskeagh, Dublin, D14 E099, Ireland
| | - Elena Toth
- Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Bologna, Italy
| | - Liisa Ukonmaanaho
- Natural Resources Institute Finland (Luke), Latokartanonkaari 9, 00790, Helsinki, Finland
| | - Thomas Zieher
- Institute of Interdisciplinary Mountain Research, Austrian Academy of Sciences, Innrain 25, 6020, Innsbruck, Austria
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Han S, Bubeck P, Thieken A, Kuhlicke C. A place-based risk appraisal model for exploring residents' attitudes toward nature-based solutions to flood risks. RISK ANALYSIS : AN OFFICIAL PUBLICATION OF THE SOCIETY FOR RISK ANALYSIS 2023. [PMID: 36848683 DOI: 10.1111/risa.14118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 01/16/2023] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
Nature-based solutions (NBS) have gained popularity as a sustainable and effective way of dealing with increasing flood risks. One of the key factors that often hinders the successful implementation of NBS is residents' opposition to their implementation. In this study, we argue that the place where a hazard exists should be considered a critical contextual factor alongside flood risk appraisals and perceptions of NBS themselves. We have developed a theoretical framework-the "Place-based Risk Appraisal Model (PRAM)"-that draws on constructs inspired by theories of place and risk perception. A citizen survey (n = 304) was conducted in five municipalities in Saxony-Anhalt, Germany, where dike relocation and floodplain restoration projects have been conducted along the Elbe River. Structural equation modeling was adopted to test the PRAM. Attitudes toward the projects were assessed in terms of "perceived risk-reduction effectiveness" and "supportive attitude." With regard to risk-related constructs, well-communicated information and perceived co-benefits were consistently positive factors for both perceived risk-reduction effectiveness and supportive attitude. Trust in local flood risk management was a positive and threat appraisal a negative predictor of perceived risk-reduction effectiveness affecting "supportive attitude" only through "perceived risk-reduction effectiveness." Regarding place attachment constructs, place identity was a negative predictor of a supportive attitude. The study emphasizes that risk appraisal, pluralities of place contexts to each individual, and their relations are key for determining attitudes toward NBS. Understanding these influencing factors and their interrelationships enables us to provide theory- and evidence-based recommendations for the effective realization of NBS.
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Affiliation(s)
- Sungju Han
- Department of Urban and Environmental Sociology, Helmholtz Centre for Environmental Research GmbH-UFZ, Leipzig, Germany
- Institute of Environmental Science and Geography, University of Potsdam, Potsdam-Golm, Germany
| | - Philip Bubeck
- Institute of Environmental Science and Geography, University of Potsdam, Potsdam-Golm, Germany
| | - Annegret Thieken
- Institute of Environmental Science and Geography, University of Potsdam, Potsdam-Golm, Germany
| | - Christian Kuhlicke
- Department of Urban and Environmental Sociology, Helmholtz Centre for Environmental Research GmbH-UFZ, Leipzig, Germany
- Institute of Environmental Science and Geography, University of Potsdam, Potsdam-Golm, Germany
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Pre-Existing Interventions as NBS Candidates to Address Societal Challenges. SUSTAINABILITY 2022. [DOI: 10.3390/su14159609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The nature-based solutions (NBS) concept is an umbrella term that connects and organizes previous concepts from the ’green-concept family’. Therefore, interventions similar to NBS were used for a long time before this term was first introduced. Such pre-existing actions, to be considered as NBS, must meet the Global Standards formulated by the Union for Conservation of Nature Global Standards. One of these standards refers to the challenge-orientation of NBS. The aim of this study was to propose objective criteria that enable the assessment of the challenge-orientation of such interventions. To this end, a set of criteria referring to the seven societal challenges was presented. A Lublin city (Poland) case study was applied in relation to 24 types of interventions. The results showed that all of the analysed pre-existing actions met at least two of the challenges. The actions with the greatest challenge-orientation potential continuity for ecological networks are: protecting surface wetlands, public parks, allotment gardens, restoring waterbodies and maintaining floodplains, and the lowest potential are: creating nesting boxes for bats and insect hotels, installing apiaries and below-ground rainwater collection systems. The analysed interventions responded, to a greater extent, to challenges such as to human health, climate change adaptation and mitigation and ecosystem degradation/biodiversity loss, and, to the least extent, to food security and socioeconomic development Moreover, the study revealed that the scale of the pre-existing intervention type is too general to draw conclusions regarding its challenge-orientation: each piece of the intervention should be assessed separately in relation to the conditions in the local context.
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