陆水河崇阳段水质变化特征及影响因素分析

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中图分类号：X524 文献标识码：A 文章编号：1008-9500（2025）08-0144-03

DOI： 10.3969/j.issn.1008-9500.2025.08.043

Analysis of Water Quality Changes and Influencing Factors in the Chongyang Section of Lushui River

HANLiyu'，CHENCheng² （1.Chongyang County Ecological Environment Monitoring Station，Chongyang 4375oo，China; 2.Environmental Emergency Services and Information Centerof Xian'an District，Xianning437ooo，China）

Abstract：BasedontheenvironmentalqualitymonitoringdataofChongyang countyfrom2O22to2O24，asystematicanalysis isconductedonthecharacteristicsof waterqualitychangesandtheirinfluencingfactors intheChongyang sectionof the LushuiRiver.Research has found that theoverall waterqualityof theChongyang sectionof theLushuiRiverremainsat Class Il level，amongthe main monitoring sections，the water qualityconditions ofsections suchas the1O6Bridge （upstream entrysection），FuiBridge（exitsction），andHongxiaHydrologicalStation（downstreamexitsction）aregod.Fro22 to 2024，theoveralltrendofammonianitrogencontentisdecreasing，andthedissolvedoxygencontentisbasicallstable， indicating thatwaterqualityisgraduallimproving.Themainfactorsaffecting waterqualityincludeindustrial pollution， domesticsewage，andchanges inhydrologicalconditions，amongthem，outdatedindustrialsewage treatmentfacilitiesand low collection rates of urban and rural domestic sewage are the key factors affecting water quality.

Keywords： Chongyang sectionof Lushui River;water qualitycondition; water qualitycategory; pollution sources

陆水河为长江中游南岸重要支流。（剩余3010字）