2022
DOI: 10.2166/wpt.2022.011
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Assessment of karst water quality and analysis of pollution sources with a projection pursuit algorithm in Jinan spring area, China

Abstract: Karst water is one of the main drinking water sources in North China. The single factor method and projection pursuit algorithm (PPA) are employed to assess the karst water quality of the Baotu spring area in Jinan. The water quality distribution pattern, its causes, and the main groundwater pollution sources are analyzed. The water quality evaluation results of the PPA model are more reliable than those of the single factor method because the PPA model comprehensively considers the weight and correlation of v… Show more

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Cited by 4 publications
(2 citation statements)
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“…Karst landscape degradation has escalated due to a variety of human activities, including extensive agricultural land use. Chemical-containing fertilizers and pesticides are used; rainwater leaches these substances and flows through sinkholes and ponors into subsurface river systems (Yu et al, 2022). The karst aquifer system's development naturally controls the occurrence of sinkholes and ponors.…”
Section: Introductionmentioning
confidence: 99%
“…Karst landscape degradation has escalated due to a variety of human activities, including extensive agricultural land use. Chemical-containing fertilizers and pesticides are used; rainwater leaches these substances and flows through sinkholes and ponors into subsurface river systems (Yu et al, 2022). The karst aquifer system's development naturally controls the occurrence of sinkholes and ponors.…”
Section: Introductionmentioning
confidence: 99%
“…In order to prevent it, it is necessary to periodically test the water quality of karst aquifer water sources (Merk et al, 2020;Marín et al, 2021;Yu et al, 2022). Unfortunately, the lack of awareness by policymakers regarding land management directives gradually increases the process of pollution in karst aquifer locations, even though groundwater susceptibility studies have been carried out on pollution in several karst aquifer locations (Ravbar and Šebela, 2015;Xanke et al, 2020;Pradana et al, 2022).…”
Section: Introductionmentioning
confidence: 99%