Analysis of Atmospheric Turbidity in Clear Skies at Wuhan, Central China

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摘要 The?ngstr?mturbiditycoefficient(β)andLinketurbidityfactor(T_L)areusedtostudytheatmosphericconditionsinWuhan,CentralChina,usingmeasureddirectsolarradiationduring2010–2011inthisstudy.Theresultsshowthatannualmeanβvaluesgenerallyincreasefrom0.28inthemorningto0.35atnoon,andthendecreaseto0.1inthelateafternoonduringtheday;annualmeanT_Lgenerallyvariesfrom3to7inCentralChina.Bothturbiditycoefficientshavemaximumvaluesinspringandsummer,whileminimumvaluesareobservedinwintermonths.Italsorevealsthatβvaluesshowpreponderance(52.8%)between0.15and0.35,78.1%ofT_Lvaluesarebetween3.3and7.7,whichcanbecomparedwithothersitesaroundtheworld.Relationshipbetweenturbiditycoefficientsandmainmeteorologicalparameters(humidity,temperatureandwinddirection)havebeenfurtherinvestigated,itisdiscoveredthatthelocalaerosolconcentrations,dusteventsinnorthernChinaandSouthwestMonsoonfromtheIndianOceaninfluencestheβvaluesinthestudyarea.
机构地区 不详
出版日期 2017年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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