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首页> 外文期刊>Oceanology >Sedimentation Particularities during the Tsunami of December 26,2004,in Northern Indonesia:Simelue Island and the Medan Coast of Sumatra Island
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Sedimentation Particularities during the Tsunami of December 26,2004,in Northern Indonesia:Simelue Island and the Medan Coast of Sumatra Island

机译:2004年12月26日印度尼西亚北部海啸期间的泥沙特殊性:Simelue岛和苏门答腊岛的棉兰海岸

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摘要

Sediments deposited during the tsunami of December 26,2004,in coastal areas that differ in then-structure and orientation relative to the tsunami front are studied with denning of the factors controlling particular features of the sedimentation under different wave intensities.The lithology of tsunami-related deposits and data on various fossils(diatoms,foraminifers,and mollusks)are analyzed.It is established that the tsunami resulted in the accumulation of sediments of various composition,which is explained by the features of the transformation of the wave as well as by the structure of the underwater coastal slope,the flooded zone,and the provenance.Variably oriented coseismic motions are one of the factors influencing the sedimentation patterns.The paleotsunami deposits discovered are compared with their recent counterparts.
机译:研究了2004年12月26日海啸期间沉积物的沉积物,该沉积物在当时结构和取向相对于海啸锋面的沿海地区有所不同,并确定了在不同波浪强度下控制沉积特征​​的因素。分析了各种化石(硅藻,有孔虫和软体动物)的相关沉积物和数据。确定了海啸导致了各种组成的沉积物的积累,这可以通过波浪的转变特征以及各种方向的同震运动是影响沉积模式的因素之一。将发现的古海啸沉积物与最近的沉积物进行了比较。

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