期刊
HYDROLOGICAL SCIENCES JOURNAL
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02626667.2023.2219397
关键词
decision scaling; integrated water resources management; climate stress testing; climate change adaptation; agricultural demands; environmental flows
The Iberian Peninsula is a climate change hotspot, with temperature and precipitation changes having significant impacts on freshwater resources and aquatic ecosystems. This paper presents an extension of the eco-engineering decision scaling method to assess the effects of climate change on agricultural and ecological metrics and to design adaptation measures.
The Iberian Peninsula is a climate change hotspot, where the temperature is increasing faster than the global annual mean surface temperature, with the largest reduction of precipitation. Consequently, freshwater availability is expected to decrease substantially. In this context, freshwater systems are especially vulnerable in terms of meeting the water demands and ecosystem requirements we know today. In this paper, we present an extension of the eco-engineering decision scaling (EEDS) method to explore trade-offs in agricultural and ecologic metrics at the catchment scale across a range of unknown future hydrological and climate states. The extended EEDS method evaluates current water resource management rules focusing on agricultural and ecologic objectives, identifies climate hazards that make the system fail and assesses climate risk in three time horizons for the design of adaptation measures. The case study is the Serpis River basin, Spain, where 72% of available water is used for agricultural purposes.
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