甘肃天祝台阵地下流体观测资料及地震前兆监测效能分析  

ANALYSIS OF UNDERGROUND FLUID OBSERVATION DATA AND EATTHQUAKE PRECURSOR MONITORING EFFICACY IN GANSU TIANZHU STATION

作　　者：苏小芸 陈丽君 周卫东 范世宏 王韶鹏 

机构地区：[1]甘肃省地震局,甘肃兰州730000 [2]甘肃省地震局陇南地震台,甘肃陇南742500

出　　处：《内陆地震》2017年第1期45-54,共10页Inland Earthquake

基　　金：甘肃省地震局科技发展基金(2015Q03)

摘　　要：对甘肃天祝台阵地下流体观测资料的年、月、日动态特征和影响地下流体观测资料的主要因素进行了分析,多数观测数据连续、可靠,可以直接使用,部分资料经预处理后可用。影响天祝台阵地下流体资料的因素主要有供电电压不稳、传感器故障、长时间停电、通讯故障等。结合强震对天祝台阵地下流体观测资料进行分析,认为在强震前能记录到明显的同震效应,有的测点在震前出现明显的异常变化,说明天祝台阵地下流体观测能够记录到地球物理信息。This paper analyzed yearly, monthly and daily dynamic features of underground fluid observation data and its interference factors in Tianzhu station. It was clear that most of the observation data were reliable and can be used directly, and some of them were available after pretreatment. Main interference factors were supply voltage instability, sensor breakdown, long time power cut and communication breakdown. Analyzing underground fluid data in Tianzhu station via strong motion, it was found that significant coseismic effect was able to record before strong motion. Some observation stations boosted obvious abnormal changes before strong motion, which showed geophysical information can be recorded by underground fluid observation of Tianzhu station.

关 键 词：天祝台阵 流体观测 动态特征 监测效能 

分 类 号：P315.7[天文地球—地震学]