对数字形变观测过程中辽宁丹东地震台、营口地震台、抚顺地震台、朝阳地震台DSQ水管仪、SS-Y伸缩仪存在的自然干扰现象进行研究,对其机理和数据形态作了对比分析,为快速、准确地判别自然干扰提供了科学依据。
This paper studies the natural interference phenomena that have been existed for a long time in the digital deformation observations of DSQ water tube instruments and SS-Y extensometers at Dandong Seismic Station, Yingkou Seismic Station, Fushun Seismic Station, and Chaoyang Seismic Station. A comparative analysis is carried out between their mechanisms and morphological characteristics of the observations. The result provides a scientific reference for rapid and accurate discrimination of natural interferences and precursory anomalies.
2020,41(4): 148-156 收稿日期:2020-01-10
DOI:10.3969/j.issn.1003-3246.2020.04.021
基金项目:辽宁省地震局青年基金项目(项目编号:LZ201904)
作者简介:姚菲菲(1981-),男,工程师,主要从事地震监测工作与洞体形变观测工作。E-mail:1329631@qq.com
参考文献:
陈德福,聂磊. 液体静力水准仪及其应用[M]. 北京:地震出版社,2008:136.
冯琼松,杨玲英,杨艳珠. 昆明地震台形变观测干扰分析[J]. 地震地磁观测与研究,2015,36(5):64-68.
梁永信,姚菲菲,张群,等. 浅析山洞数字形变观测手段的干扰途径及解决方法[J]. 防灾减灾学报,2010,26(4):51-59.
张楠,王利波,吴迪. 石嘴山地震台DSQ水管倾斜仪干扰因素概括分析[J]. 防灾减灾学报,2013,29(3):54-59.