琼北东寨港桥头村大桥沉没于海时间考与1605年琼州大震后东寨港缓慢下沉速率及机理

徐起浩

A study on the time of bridge sinking into the sea at Qiaotou village in Dongzhai port,northern Hainan Province and slow sinking rate and mechanism of Dongzhai port after Qiongzhou earthquake

XU Qihao

海面升高东寨港海岸被侵蚀 A—演丰区桥头村河岸逐年扩大,该村3位村民指着河岸说: 30年前长老榕树的地方,现在长红树林了,涨潮时海水淹到了。B—琼山县演海市曲口村涨潮时被冲刷的红树林海岸,海岸逐年后退。C—东寨港西岸下厂村的玄武岩风化土海蚀崖,崖壁上被侵蚀裸露的坟墓即将垮落到海滩。D—东寨港西岸下厂村东玄武岩风化土海蚀崖,泥土从崖壁上垮落到海滩上