ChinaduststormsisaseasonalmeteorologicalphenomenonwhichaffectsmuchofEastAsiaduringthespringtimemonths.ThedustbeginsinthedesertsofMongoliaandnorthernChinaandKazakhstanwherehigh-speedsurfacewindsandintenseduststormskickupdensecloudsoffine,drysoilparticles.ThesecloudsarethencarriedeastwardbyprevailingwindsandpassoverChina,NorthandSouthKorea,andJapan,aswellaspartsoftheRussianFarEast.

　　Inthelastdecadeorso,ithasbecomeaseriousproblemduetoindustrialpollutantsandintensifieddesertificationinChina,Theonlywaytopreventduststormsistoprotectouragriculturalsuchasgrassandtreesinthedesertsregion.

　　答案补充

　　沙尘暴是一种季节性的地理现象.在每年春季影响中国的东部的大部份地区.它源于蒙古沙漠和中国北方信哈萨克斯坦.在这些地方风速很大,把干燥的土壤卷起像云团一样,它们穿过中国,到朝鲜,韩国到日本,甚至到更远的俄国

　　在过去的十年中,它成为一个严重的问题,解决之道就是在沙漠种草