Identifying water resources management strategies in adaptation to climate change under uncertainty

J. Sun, Y. P. Li (), X. W. Zhuang, S.W. Jin, G. H. Huang and R. F. Feng
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J. Sun: North China Electric Power University
Y. P. Li: Beijing Normal University
X. W. Zhuang: North China Electric Power University
S.W. Jin: North China Electric Power University
G. H. Huang: University of Regina
R. F. Feng: Canadian Light Source Inc.

Mitigation and Adaptation Strategies for Global Change, 2018, vol. 23, issue 4, No 5, 553-578

Abstract: Abstract In this study, an integrated simulation-based allocation modeling system (ISAMS) is developed for identifying water resources management strategies in response to climate change. The ISAMS incorporates global climate models (GCMs), a semi-distributed land use-based runoff process (SLURP) model, and a multistage interval-stochastic programming (MISP) approach within a general framework. The ISAMS can not only handle uncertainties expressed as probability distributions and interval values but also reveal climate change impacts on water resources allocation under different projections of GCMs. The ISAMS is then applied to the Kaidu-kongque watershed with cold arid characteristics in the Tarim River Basin (the largest inland watershed basin in China) for demonstrating its efficiency. Results reveal that different climate change models corresponding to various projections (e.g., precipitation and temperature) would lead to changed water resources allocation patterns. Variations in water availability and demand due to uncertainties could result in different water allocation targets and shortages. A variety of decision alternatives about water allocations adaptive to climate change are generated under combinations of different global climate models and ecological water release plans. These findings indicate that understanding the uncertainties in water resources system, building adaptive methods for generating sustainable water allocation patterns, and taking actions for mitigating water shortage problems are key adaptation strategies responding to climate change.

Keywords: Adaptation management; Climate change; Ecology; Hydrology; Uncertainty; Water resources (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s11027-017-9749-9

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