摘要
断层气氡浓度探测是活动断层研究中的一种常用手段,但该方法在高原地区很少应用。在西藏日喀则市活动断层探测评价项目中,通过开展断层气探测,与浅层人工地震探测结果进行对比分析,揭示了本地区的断层氡气异常特征。研究表明,断层氡气测量是高原地区确定隐伏断层空间位置的有效方法,根据氡气浓度异常变化,结合其它探测手段,可对断层活动性进行初步判定。
Detection of the radon concentration in fault gas is the method commonly employed inthe study of active faults,but this method has been seldom applied in plateau areas. In the detec-tion and evaluation of the active faults in Shigatse City,Tibet,we determined the fault-gas ra-don anomaly characteristics by comparing the fault gas detection results with those from shallowartificial seismic detection. Our analysis results show the detection of radon gas to be an effective method for determining the location of buried faults in a plateau area,and that the fault activity could be preliminarily determined based on abnormal changes in the radon concentration in addi-tion to other exploration methods.
出处
《地震工程学报》
CSCD
北大核心
2017年第A01期35-42,共8页
China Earthquake Engineering Journal
基金
西藏自治区财政厅投资项目(藏财建字[2012]105号)
关键词
断层气
探测结果
活动性
初步判定
fault gas
detection result
activity
preliminary determination
