气象条件对安康瀛湖水质影响研究

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中图分类号：X524文献标志码：B

Impact of Meteorological Conditions on Water Quality of Ying Lakein Ankang

He Jiali1，AnBin1，²，WangLankai³，Xiao Weiwei 1，2

（1.EngineringTchnologyResearchCenterforWaterResourceProtectionandUlzationofHanjangRiver，Ankang75O，Cina; 2.School of Chemistry and Environment，Ankang College，Ankang 72500o，China; 3.Collgeof Geography and Remote Sensing Sciences，Xinjiang University，Urumqi830017，China）

Abstract：Basedonthemonthlywaterqualityandmeteorologicalmonitoringdatafrom217to2O23inYingLake，theevolutionpat terofwaterqualityanditsrelationshipwithmeteorologicalfactorswereanalyzedTeresultsndicatethat：From2O7to2，thean nual average permanganate index（ CODMn ），total nitrogen（TN），and Secchi disk depth（SD）in Ying Lakeall showed fluctuating downward trends，while total phosphorus（TP）and ammonia nitrogen（ NH3-N ）exhibited significant increasing trends.Chlorophyll-a （Chl-a）remaiedelativelystable，andthevariatiosintsesixwaterqualityindicatorsdemonstrateddierencesacrossmultipletie scales.ThenualaverageTrophicLevelIndex（T）ofYingLkeehibitedatrendoffrstecreasingandthenincreasing，osstetly falling within the mesotrophic state，primarily influenced by TP ， Chl-a ，and SD.The average TLI was highest in autumn，lowest in spring，andslightlyhigherduringtheainysasoncomparedtothedryseasonTheimpactofmeteorologicalconditionsonwaterquality indicators in YingLakeis highly complex and exhibitsa time lag ，with most indicators being significantly influenced by preceding precipitation and temperature.

Keywords：meteorological conditions；water quality；eutrophication；trophic level index（TLI）；Ying Lake

前言

湖泊作为一种重要的自然资源，具有防洪、航运、供水、旅游、渔业和气候调节等多种功能。（剩余5705字）