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DOI10.1016/j.crm.2022.100406
Towards climate resilient municipal water supply in Bangkok: A collaborative risk informed analysis
Koh R.; Babel M.S.; Shinde V.R.; Mendoza G.
发表日期2022
ISSN2212-0963
卷号35
英文摘要Typical top-down approaches to climate change adaptation in the water sector rely on climate models to inform the adaptation design. In view of the inherent uncertainty associated with these models, this study uses a combined top-down and bottom-up approach called Collaborative Risk Informed Decision Analysis (CRIDA). Using the case of the Metropolitan Waterworks Authority, Bangkok, this study demonstrates the application of the approach, which includes (a) identifying critical thresholds that impact the system's performance, (b) unearthing the system vulnerabilities through a stress test (scenario analysis), and (c) identifying feasible adaptation interventions. Through a stakeholder consultation process, it was found that streamflow, salinity, and turbidity are the key performance metrics of the water supply system. A series of stress tests to the system was conducted by adjusting input variables assuming a wide range of possible future climatic conditions. Frequency curves of the various input variables were developed to facilitate stakeholders’ planning for impending risks and for improving the overall robustness of the water supply system. Based on the stress test results and past studies of the study area, the raw water source of the Metropolitan Waterworks Authority is expected to be more saline in the future with more frequent and severe low flow conditions, for which a number of adaptation actions were formulated and proposed. It is suggested to develop adaptation pathways that can address a range of expected impacts of future climatic conditions on the Bangkok water supply system. The methodology presented is useful for study areas where a model of the system is unavailable, and data limitation is a challenge. © 2022 The Author(s)
英文关键词Bangkok; Climate change adaptation; Climate risk assessment; CRIDA; Water supply system
语种英语
来源期刊Climate Risk Management
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/256082
作者单位Pillar of Engineering Systems and Design, Singapore University of Technology and Design, 8 Somapah Rd, Singapore, 487372, Singapore; Water Engineering and Management, Asian Institute of Technology, P.O. Box 4, Klong Luang, Pathum Thani, 12120, Thailand; National Institute of Urban Affairs, New Delhi, India; United States Army Corps of Engineers Institute for Water Resources, Washington, United States
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Koh R.,Babel M.S.,Shinde V.R.,et al. Towards climate resilient municipal water supply in Bangkok: A collaborative risk informed analysis[J],2022,35.
APA Koh R.,Babel M.S.,Shinde V.R.,&Mendoza G..(2022).Towards climate resilient municipal water supply in Bangkok: A collaborative risk informed analysis.Climate Risk Management,35.
MLA Koh R.,et al."Towards climate resilient municipal water supply in Bangkok: A collaborative risk informed analysis".Climate Risk Management 35(2022).
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