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Preventingsandstorms目錄ThedefinitionandimpactofstormsThecausesandpreventionofstormsMonitoringandearlywarningofstormsCaseanalysisofstormsSummaryandOutlook01ThedefinitionandimpactofstormsAsandstormisanaturalphenomenonthatreferstostrongwindsblowingupdustandsandontheground,makingtheairturbidandthehorizontalvisibilitylessthan1kilometer.DefinitionofsandstormTheformationofsandstormsrequirescertainmeteorologicalconditions,suchasstrongwinds,unstableatmosphericstructures,andstronglow-levelairflowconvergence.FormationconditionsDefinitionofstormsWhensandstormsoccur,theconcentrationofsuspendedparticulatematterintheairincreasessharply,seriouslypollutingtheairandaffectinghumanhealth.AirqualitydeteriorationDuststormshavelowvisibility,seriouslyaffectingtrafficsafetyandeasilyleadingtotrafficaccidents.TrafficsafetythreatDuststormscanacceleratesoilerosionanddesertification,causingseriousdamagetotheecologicalenvironment.EcologicaldamageSandstormscancausevaryingdegreesofeconomiclossestovariousindustriessuchasagriculture,construction,andtransportation.EconomiclossesTheimpactofstorms02ThecausesandpreventionofstormsNaturalfactorsTopography:FlatorgentlyunderlyinglandscapeswithlittlevegetationcovercanfacilitatethemovementofsandparticlesDryclimate:Dryclimatewithlowrainfallandhighevolutionratescanleadtosoildepletionandstrongwinds,creatingidealconditionsforstormsThecausesofstormsThecausesofstormsHumanactivities02Landdegradation:Overdrawing,deferral,andinappropriatelandusepracticescanleadtosoilerosionanddescription,whichinturncantriggerstorms03Dueemissionsfromconstructionsitesandminingoperations01Measurestopreventstorms01Restoringandpreservingnaturalvegetation02Plantingtrees,shrubs,andgrapestostabilizedunesandpreventerosionEncodingsustainablelandusepracticessuchascroprotationandcontrolledgraphing03Measurestopreventstorms01Regulatinghumanactivities02Implementingstrictlawsandpoliciestocontroldefenseandillegallanduse03Educatingthepublicontheimportanceofsoilandwaterconservation010203BuildingbarriersConstructingdams,levels,andotherbarrierstopreventsandfrommovingUsinggeotextilesandothererosioncontrolmeasuresatconstructionsitesMeasurestopreventstormsMeasurestopreventstormsMonitoringandforecastingEstablishingamonitoringnetworktotracksandmovementsandforecaststormoccurrencesDevelopingearlywarningsystemstoalertcommunitiesofurgentstorms03MonitoringandearlywarningofstormsUseofsatellitesSatellitesareusedtomonitorsandstormsbytrackingduecloudsandmeasuringtheirsize,direction,andspeedGroundbasedobservationsGroundbasedstationscollectdataonweatherconditions,windspeedanddirection,andduelevelsintheatmosphereRemotesensingRemotesensingtechniques,suchasradarandlidar,areusedtomeasureduelevelsandtracktheirmovement010203MonitoringofstormsWarningofsandstormsEducatingthepubliconthesignsofastormandtheimportanceoftakingpreventivemeasuresisessentialforpreventingharmPubliceducationMeteorologicalagenciesissueforecastsforstorms,advisingthepubliconexpectedduelevelsandanypotentialimpactondailyactivitiesIssuingforecastsAlertsystemsaresetuptonotifyspecificgroups,suchasfarmersorconstructionworkers,whenastormisurgentAlertsystems04CaseanalysisofstormsDomesticstormcasesCase1Case2Case3Gansusandstormin2013InnerMongoliasandstormin2017Beijingsandstormin200803Case3DuestormsintheMiddleEast01Case1AfricanSaharaduestories02Case2KalahariduststormsInternationalsandstormcases05SummaryandOutlookThesandstormproblemisacomplexenvironmentalchallengethatrequiresamultifacetedapproachtoaddressPreventingstormsrequiresacombinationoflongtermandshorttermstrategies,includinglanduseplanning,soilconservation,andafforestationprogramsSuccessfulpreventionmeasurescanleadtosignificantimprovementsinairquality,reducesoilerosion,andenhancetheoverallecologicalhealthoftheregionSummary01Withcontinuedresearchandtechnologicaladvancements,wecandevelopmoreeffectivemethodstopreventstorms02Increasedpublicawarenessandparticipationinsandstormpreventioneffectscanl

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