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Analysis of Coastal Geomorphic Features and Influence Factors of Environmental Evolution in Beilun Estuary
Author(s): CHEN Bo, DONG De-xin, QIU Shao-fang, HAN Shu-yi
Pages: 88-
91
Year: 2011
Issue:
1
Journal: Guangxi Sciences
Keyword: 海岸; 地貌; 环境演变; 影响因素;
Abstract: 北仑河口的地形地貌在近几十年来发生了较大改变,深槽、沙嘴、拦门沙等地形在形态、大小和布局上发生了较大的变化,主航道中心线明显向北侧偏移.这主要是由自然因素与人为作用两个方面造成的,自然因素主要为风、浪、潮及径流的共同作用,人为因素主要为海岸植被减少、沙洲围垦与人挖沙以及海岸防护设施年久失修等,两大类因素相互作用,促进北仑河口的岸滩演变.北仑河口海岸需要增高和加固海堤,修筑丁坝和离岸堤等促淤保滩工程...
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