globalchange  > 气候变化与战略
CSCD记录号: CSCD:5888385
论文题名:
围垦工程影响下的淤涨型潮滩演化:以江苏弶港潮滩为例
其他题名: The geomorphologic response of accreting intertidal flat to reclamation:a case fromJianggang, Jiangsu
作者: 李明亮1; 杨磊1; 龚绪龙1; 薛文勇2; 杨旸3; 石勇4; 汪亚平3
刊名: 海洋通报
ISSN: 1001-6392
出版年: 2016
卷: 35, 期:6, 页码:217-221
语种: 中文
中文关键词: 围垦工程 ; 淤涨型潮滩 ; 沉积物输运 ; 沉积速率 ; 潮滩剖面
英文关键词: Reclamation engineering ; accreting intertidal flat ; sediment transportation ; sedimentation rate ; intertidal profile
WOS学科分类: OCEANOGRAPHY
WOS研究方向: Oceanography
中文摘要: 通过对受到围垦工程影响的江苏弶港海岸两条潮滩剖面的多期高精度实测高程及沉积物粒度数据进行分析,探讨淤涨型潮滩剖面对围垦工程的响应特征及剖面演化模式。结果表明,在物源充足的淤涨型潮滩围垦,可导致沉积物在围垦堤附近海域快速堆积、沉积物粒径变细;离海堤越远,沉积速率及沉积物粒度参数的变化越不显著。围垦堤附近海域是潮滩低能区,沉积物在此汇聚,造成潮滩剖面凸点的向岸迁移及双凸型剖面的塑造。另外,大型潮沟及其迁移也是影响剖面发育的重要因素。未来需结合海平面变化,研究围垦背景下的长周期潮滩演化趋势。
英文摘要: On the basis of the high-resolution elevation and grain size data collected from intertidal flats at Jianggang (Jiangsu) coast, we distinguish the geomorphic response of accreting intertidal flat to reclamation, and also proposed a conceptual model. The results show that reclamation at upper accreting intertidal flat with sufficient sediment supply could result in fast fine sediment accumulation outside the sea wall. However, sedimentation rates and sediment grain size parameters change none significant far from the sea wall. The upper intertidal flat changes into low energy status due to the sea wall construction, which results in sediment accumulation with a maximum sedimentation rate. Thus, the convex point of tidal flat profile would move towards sea wall and then a dual convex profile could develop. In addition, large-scale tidal creeks and their migration are important factors changing the profile shape of intertidal flat. In the future, the long-term evolution of intertidal flat due to sea level changes is required the long-term climate change study.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/150940
Appears in Collections:气候变化与战略

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作者单位: 1.江苏省地质调查研究院, 国土资源部地裂缝地质灾害重点实验室, 南京, 江苏 210018, 中国
2.江苏省地质调查研究院, 南京, 江苏 210018, 中国
3.南京大学地理与海洋科学学院, 南京, 江苏 210023, 中国
4.国家海洋技术中心, 天津 300112, 中国

Recommended Citation:
李明亮,杨磊,龚绪龙,等. 围垦工程影响下的淤涨型潮滩演化:以江苏弶港潮滩为例[J]. 海洋通报,2016-01-01,35(6):217-221
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