华南岬间砂质海岸稳定性研究  

Study of headland-bay sandy coast stability in South China

作　　者：于吉涛[1] 陈子燊[1] 

机构地区：[1]中山大学地理科学与规划学院水资源与环境系,广东广州510275

出　　处：《海洋工程》2010年第2期110-116,共7页The Ocean Engineering

基　　金：国家自然科学基金资助项目(40576041)

摘　　要：岬间海湾平衡平面形态规律在海岸长期侵蚀演变预测方面有着广泛的应用,已成为国外研究砂质海岸演变与稳定的重要课题。首先回顾了三种比较典型的经验岬湾形态方程,然后运用当前确定岬间海湾静态平衡形态最广泛使用的经验关系—抛物线关系,对华南31个岬间海湾的稳定状况进行了预测、分类。同时,采用数字岸线分析系统,计算了1990-2000年前后华南岬湾海滩的岸线进退速率,进一步分析、探讨了华南岬间海湾岸滩的稳定状况。The research of headland-bay beach equilibrium planform has been extensively applied to forecast long-term coastal erosion evolvement and has been a crucial problem of sandy coast evolvement and stabilization abroad.This paper first reviews three typical empirical bay shape equations,then applies parabolic bay shape relationship which is widely adopted to determine headland-bay beach static equilibrium planform to predict and classify 31 headland-bay beaches in South China.At the same time,using digital shoreline analysis system,the authors calculate the advancement and recession rate of headland-bay beaches during the period from 1990 to 2000,and further analyze and discuss headland-bay beaches stability in South China.

关 键 词：岬间海湾 抛物线形态方程 数字岸线分析系统 终点速率 

分 类 号：P737[天文地球—海洋地质]