globalchange  > 气候变化与战略
DOI: 10.5194/hess-23-3683-2019
论文题名:
Water restrictions under climate change: A Rhône-Mediterranean perspective combining bottom-up and top-down approaches
作者: Sauquet E.; Richard B.; Devers A.; Prudhomme C.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2019
卷: 23, 期:9
起始页码: 3683
结束页码: 3710
语种: 英语
Scopus关键词: Agriculture ; Decision making ; Drought ; Runoff ; Agricultural activities ; Bottom-up and top-down ; Decision making process ; Intrinsic sensitivity ; Performance assessment ; Precipitation change ; Risk based approaches ; Temperature changes ; Climate change ; bottom-up approach ; climate change ; climate conditions ; compensation ; decision making ; drought ; legal system ; mountain region ; precipitation (climatology) ; risk assessment ; top-down control ; water use ; Auvergne-Rhone-Alpes ; France ; Mediterranean Sea ; Rhone
英文摘要: Drought management plans (DMPs) require an overview of future climate conditions for ensuring long-term relevance of existing decision-making processes. To that end, impact studies are expected to best reproduce decision-making needs linked with catchment intrinsic sensitivity to climate change. The objective of this study is to apply a risk-based approach through sensitivity, exposure and performance assessments to identify where and when, due to climate change, access to surface water constrained by legally binding water restrictions (WRs) may question agricultural activities. After inspection of legally binding WRs from the DMPs in the Rhône-Mediterranean (RM) district, a framework to derive WR durations was developed based on harmonized low-flow indicators. Whilst the framework could not perfectly reproduce all WR ordered by state services, as deviations from sociopolitical factors could not be included, it enabled the identification of most WRs under the current baseline and the quantification of the sensitivity of WR duration to a wide range of perturbed climates for 106 catchments. Four classes of responses were found across the RM district. The information provided by the national system of compensation to farmers during the 2011 drought was used to define a critical threshold of acceptable WR that is related to the current activities over the RM district. The study finally concluded that catchments in mountainous areas, highly sensitive to temperature changes, are also the most predisposed to future restrictions under projected climate changes considering current DMPs, whilst catchments around the Mediterranean Sea were found to be mainly sensitive to precipitation changes and irrigation use was less vulnerable to projected climatic changes. The tools developed enable a rapid assessment of the effectiveness of current DMPs under climate change and can be used to prioritize review of the plans for those most vulnerable basins. © 2019 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162902
Appears in Collections:气候变化与战略

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作者单位: Sauquet, E., UR RiverLy, Irstea, 5 Rue de la Doua CS20244, Villeurbanne Cedex, 69625, France; Richard, B., UR RiverLy, Irstea, 5 Rue de la Doua CS20244, Villeurbanne Cedex, 69625, France, UMR G-EAU, Water Resource Management, Actors and Uses Joint Research Unit, Campus Agropolis, Irstea, 361 Rue Jean-François Breton, Montpellier Cedex 5, 34196, France; Devers, A., UR RiverLy, Irstea, 5 Rue de la Doua CS20244, Villeurbanne Cedex, 69625, France; Prudhomme, C., European Centre for Medium-range Weather Forecast, Shinfield Road, Reading, RG2-9AX, United Kingdom, Department of Geography, Loughborough University, Loughborough, LE11-3TU, United Kingdom, NERC Centre for Ecology-and-Hydrology, Maclean Building, Benson Lane, Crowmarsh-Gifford, Wallingford, Oxon, OX10-8BB, United Kingdom

Recommended Citation:
Sauquet E.,Richard B.,Devers A.,et al. Water restrictions under climate change: A Rhône-Mediterranean perspective combining bottom-up and top-down approaches[J]. Hydrology and Earth System Sciences,2019-01-01,23(9)
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