| 黄河口水下底坡微地貌及其成因探讨 |
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| 引用本文： | 陈卫民,杨作升,D.B.Prior.黄河口水下底坡微地貌及其成因探讨[J].中国海洋大学学报(自然科学版),1992(1). |
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| 作者姓名： | 陈卫民 杨作升 D.B.Prior |
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| 作者单位： | 青岛海洋大学河口海岸带研究所
(陈卫民，杨作升)，加拿大地质调查局大西洋地学中心(D.B.Prior) |
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| 摘 要： | 高分辨率的回声测深、旁侧声纳及浅地层剖面记录首次直观地揭示了黄河口水下底坡上发育有大量形态不同的微地貌类型。据其形态特征和规模的差异,将它们划分为平滑海底、凹坑与洼地、冲沟、残留岗丘及扰动复合海底等五种类型。这些微地貌分布在不同水深条件下的不同水下三角洲单元上,并存在着相互联系和相互转化。黄河口海域特殊的沉积环境和复杂的动力条件是导致水下底坡微地貌形成发育的主要机制。
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| 关 键 词： | 黄河口 水下底坡 微地貌 高分辨率 冲沟 |
THE CLASSIFICATION AND ANALYSIS OF SEAFLOOR MICROMORPHOLOGY ON THE HUANGHE RIVER (YELLOW RIVER) SUBAQUEOUS SLOPE |
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| Chen Weimin Yang Zuosheng.THE CLASSIFICATION AND ANALYSIS OF SEAFLOOR MICROMORPHOLOGY ON THE HUANGHE RIVER (YELLOW RIVER) SUBAQUEOUS SLOPE[J].Periodical of Ocean University of China,1992(1). |
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| Authors: | Chen Weimin Yang Zuosheng |
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| Abstract: | There are so many types of bottom features on the Huanghe River subaqueous slope revealed by the high-resolution acoustic data.The main types of the seafloor micromorphology include the smooth seafloor,the hollow and depression,the gully,the remained scarp and the textured seafloor They appeared and developed on the different subaqueous slope units accompanying with different water depths.The principal causative factors of the seafloor micromor-phology include the special depositions environment and the complex outer dynamical conditions in this region.This paper attempts to describe the appearance and distribution of the micromor-phology on the Huanghe River subaqueous slope and to analyze the causes forming these bottom features. |
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| Keywords: | the Huanghe river mouth subaqueous slope high-resolution gully micromor-phology |
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