热带海洋学报 ›› 2012, Vol. 31 ›› Issue (2): 41-46.doi: 10.11978/j.issn.1009-5470.2012.02.006cstr: 32234.14.j.issn.1009-5470.2012.02.006

• 海洋地貌学 • 上一篇    下一篇

漠阳江入海口东侧海岸侵蚀现状及成因分析

张帆 1,2 , 詹文欢 1 , 姚衍桃 1 , 孙杰 1 , 詹美珍 1,2   

  1. 1. 中国科学院边缘海地质重点实验室 , 中国科学院南海海洋研究所 , 广东 广州 510301; 2. 中国科学院研究生院 , 北京 100049
  • 收稿日期:2010-10-20 修回日期:2010-12-24 出版日期:2012-06-05 发布日期:2012-06-05
  • 作者简介: 张帆 ( 1986— ), 女 , 山西省平遥县人 , 在读硕士研究生 , 主要从事海洋地质灾害研究。
  • 基金资助:
    广东省 近海海洋综合调查与评价 专项 ( GD 908-02-13 、 GD 908-01-06 ); 中国科学院南海海洋研究所青年人才领域前沿项目 ( SQ201012 )

Current situation and causes of coastal erosion in eastern Moyang River Estuary

ZHANG Fan1,2, ZHAN Wen-huan1, YAO Yan-tao1, SUN Jie1, ZHAN Mei-zhen1,2   

  1. 1. Key Laboratory of Marginal Sea Geology of Chinese Academy of Sciences , South China Sea Institute of Oceanology , Guangzhou 510301, China 2. Graduate University of Chinese Academy of Sciences , Beijing 100049, China
  • Received:2010-10-20 Revised:2010-12-24 Online:2012-06-05 Published:2012-06-05

摘要: 对漠阳江入海口东侧海岸的侵蚀情况进行了详细的野外调查 , 在 2 年的调查时间内对监测岸段的海岸线位置及海滩地形开展了 5 次重复测量。各次测量结果的对比表明 , 漠阳江入海口东侧海岸遭受了严重的侵蚀 , 岸线平均后退速率达 15m·a - 1 |海滩地形剖面的动态变化则显示 海岸侵蚀和淤积情况随季节而改变 , 在 2008 年台风 “ 黑格比 ” 登陆后 , 研究区岸线大幅后退 , 岸滩地形发生了深刻变化。通过对研究区海岸侵蚀特点的分析 , 认为砂质海岸的脆弱性和水动力作用是该区海岸侵蚀的基本条件 , 风暴潮是造成该区海岸严重侵蚀的重要因素|另外 , 人类活动也加剧了研究区的海岸侵蚀。

关键词: 海岸侵蚀, 海滩地形, 风暴潮, 漠阳江

Abstract: This paper deals with the coastal erosion problems around the eastern Moyang River Estuary. The changes of coastline and coastal landforms were studied by comparing old and new aerial photographs and topographic maps, as well as through repeated field observations and local measurements regarding erosion processes. From these studies, the coastline of eastern Moyang River Estuary subjects to serious coastal erosion at an average annual rate of 15 m. The dynamic change of the coastal landforms profiles shows that the erosion or deposition differs from season to season. After the landfall of Typhoon Hagupit, the coastline retreated dramatically and the topography was changed. Through the analysis of characters of costal erosion, it was concluded that the storm surge had serious implications for coastal erosion of this area, and that the condition of erosion or deposition responded to the change of seasons as well.

Key words: coastal erosion, coastal landform, storm, Moyang River

中图分类号: 

  • P737.1