.Moreinnovativeapproachesandalternativestoaddressfloodproblembasedonregionaldevelopment,watermanagement,andenvironmentalimpactevaluationarerequired.MississippiRiverDeltaisthreatenedbyfloodsfromtheriverandstormsurgecausedbyhurricaneaswellastremendouscoastalerosion.AfterhurricaneKatrinain2005,sustainable,long-prehensivestrategyandbroaderandmoreintensivepartnershipandarepromotedandrequired,essofanyintegratedmanagementinthefloodcontrol.BasedoninvestigationonthesituationinMississippiRiverDeltaandanalysisoftheproblems,biningwithcoastalerosionprotection,including“Multiplelinesofdefense”strategy,innovativefloodprotectionstructure,landusemanagementandrelocationoffreshwaterandsediment,mendationsfollowed.Keywordsfloodrisk,coastalerosion,floodprotection,wetlandrestoration,landuse,MississippiRiverDelta