气候变化领域集成服务门户(CCPortal): Declining water resources in the Anduña River Basin of Western Pyrenees: Land abandonment or climate variability?

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DOI	10.1016/j.ejrh.2024.101771
	Declining water resources in the Anduña River Basin of Western Pyrenees: Land abandonment or climate variability?
	Bilbao-Barrenetxea, Nerea; Jimeno-Saez, Patricia; Segura-Mendez, Francisco Jose; Castellanos-Osorio, Gerardo; Faria, Sergio Henrique; Lopez-Ballesteros, Adrian; Senent-Aparicio, Javier
发表日期	2024
EISSN	2214-5818
起始页码	53
卷号	53
英文摘要	Study Region: Mountains play a crucial role in supplying water for consumption, irrigation, and hydroelectric power. However, they are highly vulnerable to climate change. The Pyrenees exemplify a mountainous region undergoing significant changes, notably in land-use practisces, with a significant shift towards forest cover. Study Focus: We use the SWAT model, to analyse in depth two factors that most influence the hydrological cycle: land-use change and climate variability. The model is calibrated and validated using daily streamflow for the periods 1992-2004 and 2005- 2018. The following results were obtained for both periods: an NSE of 0.51, an R2 of 0.72, and a PBIAS of -12.67 % for the calibration period and an NSE of 0.55, an R2 of 0.75, and a PBIAS of -16.49 % for the validation period, indicating that the model accurately represented the daily streamflow. Subsequently, we designed three scenarios based on combinations of historical data to quantify the contribution of each factor. New Hydrological Insights for the Region: Comparing the scenarios confirms the downward trend of streamflow in the region and provides quantitative information on the influence of each factor on this decline. Notably, that land-use changes account for 41.4 % almost as much as the climate variability. Furthermore, we observed an increase in the frequency and magnitude of floods with an increase in flood parameters of about 40%. The alteration of these parameters is slightly mitigated by reforestation, leading to a decrease of 5%.
英文关键词	Land abandonment; Reforestation; Climate variability; SWAT; Pyrenees; Water resources
语种	英语
WOS研究方向	Water Resources
WOS类目	Water Resources
WOS记录号	WOS:001226595500001
来源期刊	JOURNAL OF HYDROLOGY-REGIONAL STUDIES
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/299263
作者单位	Basque Centre for Climate Change (BC3); Universidad Catolica de Murcia; Basque Foundation for Science; University of Basque Country
推荐引用方式 GB/T 7714	Bilbao-Barrenetxea, Nerea,Jimeno-Saez, Patricia,Segura-Mendez, Francisco Jose,et al. Declining water resources in the Anduña River Basin of Western Pyrenees: Land abandonment or climate variability?[J],2024,53.
APA	Bilbao-Barrenetxea, Nerea.,Jimeno-Saez, Patricia.,Segura-Mendez, Francisco Jose.,Castellanos-Osorio, Gerardo.,Faria, Sergio Henrique.,...&Senent-Aparicio, Javier.(2024).Declining water resources in the Anduña River Basin of Western Pyrenees: Land abandonment or climate variability?.JOURNAL OF HYDROLOGY-REGIONAL STUDIES,53.
MLA	Bilbao-Barrenetxea, Nerea,et al."Declining water resources in the Anduña River Basin of Western Pyrenees: Land abandonment or climate variability?".JOURNAL OF HYDROLOGY-REGIONAL STUDIES 53(2024).