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辽宁滨岸沙坝—泻湖体系及其特征
THE COASTAL BARRIER-LAGOON SYSTEM IN LIAONING AND ITS FEATURES
【摘要】 <正> 沙坝—泻湖体系是海岸地貌和沉积重要而独特的单元。在我国广西、广东、浙江、上海、山东半岛和渤海湾北部沿岸分布的相当普遍,在辽宁沿岸地带也较常见。本文根据野外调查和室内分析资料,对辽宁滨岸沙坝—泻湖的分布、类型、沉积特征、形成时代以及发育过程作一初步探讨。
【Abstract】 Based on the data of shallow drillings, 14C dating, micropaleontology and field investigation, this paper preliminarily approaches the classification of the coastal barrier-lagoon system in Liaoning, and its distribution characteristics, sediment vertical structure, developing process and forming age. The coastal lagoons in Liaoning are classified into bay (estuary) lagoon, hemi-closed lagoon and closed lagoon, depending on the degree of closing. The depth of lagoon sediment mostly ranges from 2 to 4metrs. Most barrier-lagoon systems were formed during regression and relative coastline stable period in Mid-Holocene (6000-2500 years ago).
- 【文献出处】 海洋通报 ,Marine Science Bulletin , 编辑部邮箱 ,1986年04期
- 【被引频次】5
- 【下载频次】204