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招远砂质海岸岸滩演化特征 预览

EVOLUTIONARY FEATURES OF THE ZHAOYUAN SANDY BEACH
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摘要 基于表层沉积物、卫星影像和水深地形等资料,结合岸滩演化数学模型、表层沉积物起动流速等方法,对招远砂质海岸的岸滩演化特征和控制因素进行了初步研究。结果表明,由于受春雨码头和人工岛群建设影响,界河口附近海域由侵蚀转为淤积状态,春雨码头附近海域侵蚀程度加剧。波浪控制着研究区表层沉积物分布和泥沙运动,人工构筑物建设是造成研究区海岸冲淤变化的主要原因。潜堤建设能有效减少波浪对堤后海岸的影响,对蚀退岸线保护效果明显。 This paper is devoted to the evolutionary features of the sandy beach in Zhaoyuan in order to reveal its controlling factors,using the methods of surficial sampling,satellite imaging,numerical simulation of coastal evolution and calculation of the incipient velocity for sediment movement.The results show that the construction of the complex of Chunyu harbor and artificial island has greatly changed the scouring and silting environment of the study area,and then caused significant changes of the coastal area near the Jie river from erosion to siltation,and the increase in erosion around the Chunyu harbor.Wave is the main force that affects the distribution of surface sediments and sediment movement.The construction of artificial structures is obviously the main reason for the change in coastal scouring and silting regime in the study area.The submerged breakwater has effectively reduced the wave action on the coast and contributed greatly to coastal protection.
作者 伊善堂 尹东晓 朱龙海 胡日军 YI Shantang1,2 , YIN Dongxiao1 , ZHU Longhai1,3 , HU Rijun1,3 (1 College of Marine Geosciences, Ocean University of China, Qingdao 266100, China ; 2 Key Laboratory of Marine Mineral Resources, MLR, Guangzhou 510760, China; 3 Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Ocean University of China, Qingdao 266100, China)
出处 《海洋地质前沿》 CSCD 2017年第9期47-52,共6页 Marine Geology Letters
关键词 砂质海岸 岸滩演化 控制因素 潜堤 sandy coast evolution of shore beach controlling factors submerged breakwater
作者简介 伊善堂(1989-),男,硕士,主要从事海洋地质方面的研究工作.E-mail:yishantang1990@126.com
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