山东半岛以东的近岸潮流沙脊
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摘要
根据浅地层地震剖面和海底表层沉积物的分析,对山东半岛东部近岸潮流沙脊的形态、形成条件、物质来源及沙脊的形成时代进行了初步研究,认为潮流沙脊形成于全新世中期(约6.3～4.0kaBP)海平面相对稳定时期,沙脊的物质主要来源于强潮流对近岸基岩的侵蚀、搬运和再沉积。
Based on the shallow seismic profile and the analysis of sediment from surface of the seabed, the tidal sand ridges offshore the eastern Shandong Peninsula have been preliminarily studied on the configuration, formation condition, sediment source and formation age. We think the tidal sand ridge formed in the middle of Holocene (about 6.3~4.0 kaBP) when the sea level was comparatively stable, and the materials of the tidal sand ridge mainly came from strong current eroded rock near the shore, and were redeposited in the study area.
Based on the shallow seismic profile and the analysis of sediment from surface of the seabed, the tidal sand ridges offshore the eastern Shandong Peninsula have been preliminarily studied on the configuration, formation condition, sediment source and formation age. We think the tidal sand ridge formed in the middle of Holocene (about 6.3~4.0 kaBP) when the sea level was comparatively stable, and the materials of the tidal sand ridge mainly came from strong current eroded rock near the shore, and were redeposited in the study area.
引文
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[16] KimGD,ParkYA.Sedimentationandphysicalprop ertiesofinnershelfsedmentsSouthSeaofKorea[J].J.Geol.Soc.Keorea,1992(28):604614.
[17] LiuZhenxia,XiaDongXing,BernS,etal.Tidal deposi tionalsystemsofChina'scontinentalshelf,withspecial referencetotheeasternBohaiSea[J].MarineGeology,1998,145(34):225253.
[18] 杨子赓,王圣洁,张光威,等.冰消期海侵进程中南黄海潮流沙脊的演化模式[J].海洋地质与第四纪地质,2001,21(3):110.
[19] LiuJP,MillimanJD,GaoS,ChengP.Holocenede velopmentoftheYellowRiver'ssubaqueousdelta,NorthYellowSea.MarineGeology,2004,209:4567.
[2] 印萍.东海陆架冰后期潮流沙脊地貌与内部结构特征[J].海洋科学进展,2003,21(2):181187.
[3] SwiftDJP.TidalsandridgesandShoalretreatmassifs[J].MarineGeology,1975,18:105134.
[4] CastonVND,StrideAH.Tidalsandmovementbe tweensomelinearsandbanksinthenortheastNorfolk[J].MarineGeology,1970,9:3842.
[5] CastonGF.Potentialgainandlossofsandbanksinthe SouthernBightoftheNorthSea[J].MarineGeology,1981,41:239250.
[6] 杨文达.东海海底沙脊的结构及沉积环境[J].海洋地质与第四纪地质,2002,22(1):915.
[7] 朱玉荣.南黄海辐射状沙脊成因研究的新进展[J].海洋地质与第四纪地质,1998,18(3):113118.
[8] 金翔龙,喻普之.北黄海的构造轮廓[A].黄东海地质[C].北京:科学出版社,1982:2338.
[9] LiuJP,MillimanJD,GaoS.TheShandongmud wedgeandpost glacialsedimentaccumulationinthe YellowSea[J].Geo MarLett,2002(21):212218.
[10] 杨子赓.海洋地质学[M].济南:山东教育出版社,2004:123204.
[11] 秦蕴珊,李凡.黄河入海泥沙对渤海和黄海沉积作用的影响[C].海洋科学集刊,1986,27:125135.
[12] 吴加学.沙坝和沙脊的形成机制与理论模型[J].海洋地质动态,2002,18(7):69.
[13] SergeBern啨,PierreVagner.Pleistoceneforcedregres sionsandtidalsandridgesintheEastChinaSea[J].MarineGeology,2002,(188):293315.
[14] Chang ShuYang.Activemoribundandburiedtidal sandridgesintheEastChinaSeaandtheSouthern YellowSea[J].MarineGeology,1989(88):97116.
[15] 刘振夏,余华.东海和凯尔特海潮流沙脊的对比研究[J].海洋科学进展,2005,23(1):3542.
[16] KimGD,ParkYA.Sedimentationandphysicalprop ertiesofinnershelfsedmentsSouthSeaofKorea[J].J.Geol.Soc.Keorea,1992(28):604614.
[17] LiuZhenxia,XiaDongXing,BernS,etal.Tidal deposi tionalsystemsofChina'scontinentalshelf,withspecial referencetotheeasternBohaiSea[J].MarineGeology,1998,145(34):225253.
[18] 杨子赓,王圣洁,张光威,等.冰消期海侵进程中南黄海潮流沙脊的演化模式[J].海洋地质与第四纪地质,2001,21(3):110.
[19] LiuJP,MillimanJD,GaoS,ChengP.Holocenede velopmentoftheYellowRiver'ssubaqueousdelta,NorthYellowSea.MarineGeology,2004,209:4567.
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