城市活断层探测中的反射地震数据采集和处理技术  

SEISMIC DATA COLLECTION AND PROCESSING IN THE ACTIVE FAULT DETECTATION OF URBAN AREAS

作　　者：柴铭涛[1] 高景华[2] 

机构地区：[1]中国地质大学,北京100083 [2]中国地质科学院地球物理地球化学勘查研究所,河北廊坊065000

出　　处：《物探与化探》2007年第4期365-369,共5页Geophysical and Geochemical Exploration

摘　　要：随着国民经济的快速发展,对市区活断层的勘查正在各大中城市中逐步开展。作为一种主要手段,地震勘查能够查明基岩埋深,根据基岩断层向第四系地层内部的延伸可研究断层的活动性。在城市中进行地震勘查,无论是随机干扰,还是规则干扰,都十分强烈,通过对各种干扰进行分析,从中找出相应的对策;通过采用适合的数据采集方法和更有效的数据处理方法,能够有效地压制干扰,提高地震记录的信噪比。With the rapid economic development, exploration of active faults is being in progress in most cities. As a main method, seismic exploration can determine the depths of basement rocks and investigate the fault activity according to the extension of the fault in Quaternary layers. Either random or regular noises are very strong during the urban seismic exploration. This paper analyzes various sorts of noises and puts forward the relevant countermeasures. Interference can be suppressed and S/N ratio of seismic data can be improved through appropriate data collection and effective data processing.

关 键 词：城市地震反射勘探 活断层探测 数据采集与处理 

分 类 号：P631.4[天文地球—地质矿产勘探]