重庆台倾斜潮汐形变干扰异常与震兆异常的识别
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
在系统清理重庆台十多年来的水平摆倾斜仪的记录图纸、观测数据与原始手簿后,分析总结了温度、降雨、抽水、载荷改变等强干扰的形态特征、干扰机理、影响量级等,确定了其识别方法和轨迹运行规律及排除方法;并对发生于距台站北67 km的统景5.4级地震(1989-11-20)前4天台站水平摆倾斜潮汐形变记录出现的异常现象作出了确属震兆异常图像的识别。
The observations of the horizonal penbulum tiltmeter at Chongqing station since over 10 years before are arranged systematically.The feature,mechanism and magnitude of disturbance of temperature,rainfall,dewatering and loading variation are analyzed and summerized.The acting law of disturbance,the recoginition and elimination methods are determined.The anormalies recorded by the horizontal pendulum tiltmeter at Chongqing station on the 4th day before the M5.4 earthquake(1989-11-20) occured in Tongjing about 67 km away from the station are recoginited as the earthquake precursor.
引文
1国家地震局.地倾斜台站观测规范[M].北京:地震出版社,1986.
    2陈德福.地壳形变动力学观测与研究[M].北京:海洋出版社,1993.
    3国家地震局预测预防司.地壳形变分析预报方法[M].北京:地震出版社,1998.
    4陈德福,等.地震地形变观测技术[M].北京:地震出版社,1995.
    5陈鹏,等.地下水位对定点形变观测干扰的抽水试验[J].大地测量与地球动力学,2004,24(3):79~83.
    6陈德福.潮汐形变短临异常图像及其时空特征[J].华南地震,2006,26(1):89~105.

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心