海底扩张的潮汐模式

被引:3
作者
杨学祥
机构
[1] 吉林大学地球探测科学与技术学院 长春中国科学院国家天文台
[2] 北京
关键词
潮汐; 火山; 地震; 海底扩张; 太平洋地壳; 跷跷板运动;
D O I
10.14075/j.jgg.2003.02.019
中图分类号
P731.2 [海洋动力学];
学科分类号
0707 ;
摘要
20 0 0年 6月底 ,东京以南的伊豆岛开始发生火山与地震活动。此后 ,在伊豆岛观测到异常的地壳变形 ,8月底 ,火山与地震活动达到高潮。对潮汐与火山和地震活动的关系进行了分析 ,认为 :地壳变形是由伊豆岛的岩脉侵入引起的 ,并且与强潮汐天文条件相对应。根据观测和计算数据提出了海底扩张的潮汐模式
引用
收藏
页码:77 / 80
页数:4
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