农业环境科学学报JournalofAgro⁃EnvironmentScience2023，42（6）:1338-13462023年6月杨学磊，赵心怡，刘雅慈.持续污染下洛克沙胂在土柱中的迁移转化及其风险评估[J].农业环境科学学报,2023,42（6）：1338-1346.YANGXL,ZHAOXY,LIUYC.Migrationandtransformationofroxarsoneinthesoilcolumnanditsriskassessmentundercontinuouspollution[J].JournalofAgro-EnvironmentScience,2023,42（6）：1338-1346.持续污染下洛克沙胂在土柱中的迁移转化及其风险评估杨学磊1，赵心怡2，刘雅慈3，4*（1.河北正润环境科技有限公司，石家庄050061；2.河北水文工程地质勘察院有限责任公司，石家庄050061；3.中国地质科学院水文地质环境地质研究所，石家庄050061；4.福建省水循环与生态地质过程重点实验室，福建厦门361000）MigrationandtransformationofroxarsoneinthesoilcolumnanditsriskassessmentundercontinuouspollutionYANGXuelei1,ZHAOXinyi2,LIUYaci3,4*（1.HebeiZhengrunEnvironmentalTechnologyCo.Ltd,Shijiazhuang050061,China;2.HebeiHydrologyEngineeringGeologicalSurveyInstituteCo.Ltd,Shijiazhuang050061,China;3.InstituteofHydrogeologyandEnvironmentalGeology,ChineseAcademyofGeologicalSciences,Shijiazhuang050061,China;4.FujianProvincialKeyLaboratoryofWaterCyclingandEco-GeologicalProcesses,Xiamen361000,China）Abstract：Poultrywasteistypicallydisposedintheopenwithoutseepageprevention,leadingtothefeedadditiveroxarsone（ROX）enteringtheenvironmentandcausinginorganicarsenic（As）pollution.Inthisstudy,157-dayone-dimensionalsoilcolumnsimulationwasconductedtoexplorethespatialandtemporalvariationsofAscompoundmorphologyandconcentrationintheverticalvadosezoneundercontinuousROXcontamination.Themicrobialresponseatdifferentdepthswasanalyzedusinghigh-throughputsequencingtechnology.Theresultsshowedthatduringthe157-daysimulationofcontinuousROXcontamination,thedegradationrateofROXwasveryhigh,beingsignificantlyhigherthanthemigrationrate.ThedegradationandadsorptionofROXoccurredintheshallowsoillayer（0–收稿日期：2022-11-22录用日期：2023-02-08作者简介：杨学磊（1987—），男，河北邯郸人，学士，研究方向为环境污染防治。E-mail：251248239@qq.com*通信作者：刘雅慈E-mail：li...
