泰安地震台重力异常信息提取初步分析  

Preliminary Analysis of the Factors of Tai'an Seismic Gravity Anomaly Information Extraction and Influence

作　　者：孟建国 李惠玲 李峰 卢双苓 张明 韩博 

机构地区：[1]山东省泰安基准地震台,泰安市罗汉崖路2号271000 [2]潍坊市地震局,潍坊市东风东街6396号261061

出　　处：《大地测量与地球动力学》2017年第5期526-530,共5页Journal of Geodesy and Geodynamics

基　　金：山东省地震局科研基金(14Y54);中国地震局"监测;预报;科研"三结合课题(161502)~~

摘　　要：介绍了泰安台PET重力仪不同运行状态的情况,通过对比甚宽频带数字地震仪对掉格异常进行初步判断,同时对观测数据的主要干扰因素进行剔除,提取相对客观的重力观测趋势信息。结果发现,泰安地震台重力仪在2013-09~12、2014-02~04两个时间段存在趋势漂移负值异常。In this paper, the situation of different operation states of Tai＇an PET gravimeter is introduced, and the anomaly of the grid is judged by comparison with the very wide band digital seismograph. At the same time, the main interference factors of the observation data are eliminated, and the relative objective gravity observation trend information is extracted. It is found that there is a negative trend drift of the gravity meter in Tai＇an seismic station from 2013-09~12 and 2014-02~04.

关 键 词：PET重力仪 趋势转变 异常 漂移量 

分 类 号：P312[天文地球—固体地球物理学]