摘要
Shandonghasmorethan70%ofnaturalcoastsareundererosion.Coastalerosionstartedfromthe1970'sandbecameaveryseriousproblemat1990's.Thedramaticdecreaseofsedimentsuppliesfromriverscausedrapiderosionatthedeltaandestuaryareas,especiallyintheabandonedYellowRiverDelta.MostsandycoastsalongthePeninsulawereerodedduetolackofsandsupplyandinterruptionofalongshoresedimentdrift,sanddredgingfromthebeachortheoffshoreareacausedseriouserosionduringshorttime.Sea-levelrisecausesslowbutconstantshorelineretreatsandbecameamoreseriousthreat.DifferenttypesofhardsolutionsforcoastalprotectionagainsterosionwereusedinShandong.Seawallsaremostwidelyused,especiallyattheYellowRiverDeltaandcitycenterwaterfront.Groynes,jettiesandbreakwaterareusedonthenorthandeastsandycoastofthePeninsula.Hardapproachesareeffectivetoprotectthecoasterosionbutnotchangetheerosioncausesandledsecondaryimpactonthecoast.Softengineeringsolutionorthecombinedsolutionsaretakenintoacts.Beachnourishmentismostlyconsideredasthebettersoftsolution,especiallytothosetouristsattractingsandybeachesalongtheShandongcoast.Longtermmonitoringandcontinuouslessonslearningfromthecoastalerosionmanagementwillbeadaptiveforbettercoastsolutioninthefuture.
出版日期
2018年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)