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腾格里沙漠南缘不同规格草沙障防风固沙效益研究 Title:AStudyontheWindproofandSandFixationBenefitsofGrass-SandWindbreaksofDifferentSizesattheSouthernEdgeoftheTenggerDesert Abstract: Thispaperaimstoexploretheeffectivenessofgrass-sandwindbreaksofdifferentsizesintermsofwindproofandsandfixationbenefitsatthesouthernedgeoftheTenggerDesert.TheTenggerDesert,locatedinnorthernChina,isoneofthelargestandmostactivedesertsinthecountry.Itposessignificantchallengestolocalecologicalsystemsandhumansettlementsduetoitsstrongwindsandshiftingsanddunes.Establishingeffectivewindbreaksiscrucialformitigatingtheadverseeffectsofdesertification.Thisresearchinvestigatestheinfluenceofvariousgrass-sandwindbreaksizesontheircapacitytocontrolwinderosionandstabilizesanddunes. Introduction: Desertificationisaglobalenvironmentalissuethatthreatensecosystemsandhumancommunitiesalike.Oneofthekeyfactorscontributingtodesertificationiswinderosion,whichisparticularlyprevalentinaridandsemiaridregions.InChina,theTenggerDesertpresentsaformidablechallengeduetoitsproximitytohighlypopulatedareas.Itis,therefore,importanttodevelopeffectivemethodsforsandfixationandwindproofingtoprotectagainstdesertificationinthisregion. Methodology: ThisstudyconductedafieldexperimentinthesouthernedgeoftheTenggerDesert.Severalgrass-sandwindbreaksofdifferentsizesanddimensionswereconstructedandmonitoredforaperiodoftime.Dataonwindspeed,sanddeposition,andsanderosionwerecollectedandanalyzedtodeterminetheeffectivenessofthewindbreaks. Results: Theresultsofthestudyshowedthatgrass-sandwindbreaksofdifferentsizessignificantlyreducedwindspeedandeffectivelytrappedandfixedsand.Theefficiencyofwinderosioncontrolandsandfixationwasfoundtovarywiththesizeandheightofthewindbreaks.Largerwindbreaksweremoreeffectiveinreducingwindspeed,whileshorterwindbreaksweremoreefficientintrappingsand.Itwasalsoobservedthattherewasacriticalheightandwidthatwhichthewindbreaksprovidedmaximumprotectionagainsterosion. Discussion: Thefindingsofthisstudyhaveimportantimplicationsfordesertificationcontroleffor
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