雾霾天气英语作文.docx

雾霾天气英语作文

第一篇：雾霾天气英语作文Lastwinter,BeijingiscompletelydominatedbythefogandhighlevelofPM2.5.what’smoreworse,manyprovincesinChinajoininthisteamoftheseverehazeweatherin2013,includingShandong,hebei,henan,wuhanandsoon.Foghazeweather,causingalargeareaoflowvisibilityconditioninthecity.Inthemorningoratnightwhenrelativehumidityislarger,formingfog;Risingtemperatures,humiditydropsduringtheday,graduallyintoahaze.Becausethehazeandmist,dust,flyingsand,dust,smoke,suchasaweatherphenomenon,floatingintheairforallthelargenumberofverysmalldustparticlesandsmokethateffectivehorizontalvisibilitytolessthan10km.Sometimesmakesmeteorologicalprofessionalsaredifficulttodistinguish.Mustbecombinedwiththeweatherbackground,aircondition,airhumidity,color,smellandotherfactors,suchassatellitemonitoringtocomprehensiveanalysisandjudgment,tocorrectconclusions,andfogandhazeweatherphenomenoncantransformeachothersometimes.Throughrefertoavarietyofdata,wegetthatthecausingofthehazehasthefollowingseveralaspects:First,TheJanuaryeffectisweakerinthesouthsideofthecoldairactivitiesinChina,thewindspeedissmall,stableatmosphericconditionsinmostregionsofmiddlefrequencysignificantly,easytocauseaccumulationofpollutantsinthesurfacelayer,resultinginhazeweatherhappens;Second,thefoghazeweathernearlystratumatmosphereismorestable,willaggravatethefoghazedevelopment,worsenairpollution.Third,involvedinurbanplanningofindustrialstructure.Coal,automobile,industrialdust,thesebigpollutionemissions,istherootcauseoftheseriouspollution.Foghazeweatherformationisnotonlyaffectedbyweatherconditions,butalsoassociatedwithincreasedatmosphericpollutants.Insuchaserioushazeweather,Wecantakemeasuresasfollows:Onehand,whenweencounterhazeweather,gooutwearingamasksothatwecaneffectivelypreventdustparticlesintothebody,andhazeweathernotadvocatingawindowventilated,reopenwindowisventilated,suchasthesuncameoutbest,wemayalsokeeplightdietdrinkmorewaterinthehazeweather.ontheotherhand,Wemustactivelytakemeasurestopreventthequalityofweatherbecomeworse.Acceleratingthe