榆树沟洞体应变观测质量及干扰因素浅析  

Analysis of the Quality and Interference Factors of Strain Observation in Yushugou Cave

作　　者：毛玉剑 翟世龙[1] 李奎 贾路 木拉提江·阿不来提 MAO Yujian;ZHAI Shilong;LI Kui;JIA Lu;Mulatijiang Abulaiti(Earthquake Agency of Xinjiang Uygur Autonomous Region,Urumqi,Xinjiang 830011,China)

机构地区：[1]新疆维吾尔自治区地震局,新疆乌鲁木齐830011

出　　处：《山西地震》2024年第2期25-31,共7页Earthquake Research in Shanxi

基　　金：新疆地震局青年科学基金课题(202314)。

摘　　要：选取榆树沟洞体应变2018—2022年的观测数据,分析日变、年变形态及影响数据质量的因素。采用连续率、完整率、年零漂、噪声水平和潮汐因子相对中误差等指标评价数据质量,分析气压、水位等自然因素及人为因素对数据的影响。研究结果表明,榆树沟洞体应变仪运行连续率、完整率较高,年零漂较小,噪声水平较低,数据精度较高;NS和NE分量精度优于EW分量;影响榆树沟洞体应变仪观测数据质量的因素主要有气压、水位、大风、仪器故障等。Selecting observation data of Yushugou cave body strain from 2018 to 2022,this paper analyzes the daily and annual variation patterns and factors affecting data quality.Evaluate data quality using indicators such as continuity rate,integrity rate,annual zero drift,noise level,and relative mean square error of tidal factors,and analyze the impact of natural factors such as air pressure and water level,as well as human factors on the data.The research results indicate that the Yushugou tunnel strain gauge has high continuity and integrity,small annual zero drift,low noise level,and high data accuracy.The accuracy of the NS and NE components is better than that of the EW component.The main factors that affect the quality of the observation data of the Yushugou Cave strain gauge include air pressure,water level,strong winds,and instrument failures.

关 键 词：干扰因素 洞体应变仪 数据质量 

分 类 号：P315.63[天文地球—地震学]