时空分布特性的岩溶层地下水有机污染评估方法设计研究

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文章编号:1674-6139(2026)01-0178-06
中图分类号:X824文献标志码:B
Organic Pollution Assessment Method for Karst Groundwater Considering Spatiotemporal Distribution Characteristics
Yang Shaoyuan1,Zhou Jianshu1,Chi Yongfeng1,HuangWeikun² (1.Fujian Institute of Geotechnical Engineering Survey and Research Co.,Ltd.,Fuzhou 3501O8,China; 2.Fujian Yedi Hengyuan Construction Co.,Ltd.,Fujian 3501O8,China)
Abstract:Toaccuratelygraspthedistributionandpollutionleveloforanicpolutioninregionalgroudwater,anaessmentetod fororganicpoltioninastlyergroundwaterosideringsatiotemporaldistrbutionharacteisicsispropoedGoundwatersamples werecollectedfrom1OmonitoingellintheareaTeangesoforganicpoltantsovertimeeretrackedbyselectingtimepointparameters.Intespatialomain,multiplevectorcharacterzationparametersareutlzedtoclariftecharacteristicsofgroudwaterflow andpolutiondifusionndthespatioempraldistributioateqationisstablsedOnthisasisombinedwithegioalaso alchanges,thesinglefactortypeindexmetodisadoptedtoevaluatethedegeeofwaterpolution.Teresultsshowtatthecontentf volatileorgancompoundsincreassduringthewetsasonhileteontentsoftriclorometaneandseivolatileoanicoounds arerelativelyhighduringthdrysason.ThepolutioninmonitoringWellNo.9andNo.4wassevere,whilethatintherestwasrela tivelylow,which was consistent with the preset,verifying the effectiveness of this method.
Key words:Karst layer;ground water;spatiotemporal distribution;dichloromethane;tetrachloroethylene
前言
岩溶层地下水有机污染主要来源于工业废水排放、农业活动、生活污水、垃圾填埋场,由于岩溶地下水系统特殊的地质结构和地下水流动特性[1],使得有机污染物易于在地下水中迁移、富集,对水质构成严重威胁[2]。(剩余3681字)