气候变化领域集成服务门户(CCPortal): Reconstruction of Past Water Levels in Data-Deficient Karst Springs

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DOI	10.3390/w16081150
	Reconstruction of Past Water Levels in Data-Deficient Karst Springs
	Wen, Chunyan; Li, Jizhen; Sun, Dandan; Zhang, Yanwei; Zhao, Naifeng; Hu, Litang
发表日期	2024
EISSN	2073-4441
起始页码	16
结束页码	8
卷号	16 期号:8
英文摘要	Karst aquifers are crucial for providing fresh water worldwide but are also incredibly sensitive to human impact and climate change. This study aims to reconstruct the historical water levels of karst springs, despite the lack of data. By combining collected data, we have created a detailed numerical model to understand the complex behavior of karst aquifers. Our research reveals significant drops in the water levels at Longtan Spring, mainly due to the overuse of groundwater and inadequate water recharge, which is critical for the success of the Springs Resurgence project. We have also mapped out historical groundwater levels and identified the necessary conditions to get the spring flowing again. The model proved to be reliable during its calibration from 2000 to 2007, with an average Nash-Sutcliffe efficiency coefficient of 0.52 for the monitoring wells. For the period from 1960 to 2019, our model showed a strong correlation coefficient of over 0.97 when compared with data from the GRACE satellite mission, demonstrating its high accuracy. The approach we have taken in this study provides a feasible way to figure out historical water levels in karst springs, which is vital for protecting these essential fresh water sources. This work will provide a strong basis for policies to restore the spring.
英文关键词	karst aquifers; groundwater modeling; historical water level reconstruction; sustainable water management; Xishan region
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
WOS类目	Environmental Sciences ; Water Resources
WOS记录号	WOS:001210681000001
来源期刊	WATER
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/295531
作者单位	Beijing Normal University; Beijing Normal University
推荐引用方式 GB/T 7714	Wen, Chunyan,Li, Jizhen,Sun, Dandan,et al. Reconstruction of Past Water Levels in Data-Deficient Karst Springs[J],2024,16(8).
APA	Wen, Chunyan,Li, Jizhen,Sun, Dandan,Zhang, Yanwei,Zhao, Naifeng,&Hu, Litang.(2024).Reconstruction of Past Water Levels in Data-Deficient Karst Springs.WATER,16(8).
MLA	Wen, Chunyan,et al."Reconstruction of Past Water Levels in Data-Deficient Karst Springs".WATER 16.8(2024).