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《地震研究》[ISSN:1000-0666/CN:53-1062/P]

卷:

43

期数:

2020年01期

页码:

109-117

栏目:

出版日期:

2020-01-30

文章信息/Info

Title:

Experimental Analysis of Well Water Affected by Environment for the Tengchong Seismic Observation

作者:

段胜朝¹; 张 立²; 杨铭昌¹; 孙自刚¹

(1.云南省地震局 腾冲地震台,云南 腾冲 679100; 2.云南省地震局,云南 昆明 650224)

Author(s):

DUAN Shengchao¹; ZHANG Li²; YANG Mingchang¹; SUN Zigang¹

(1.Tengchong Seismic Station,Yunnan Earthquake Agency,Tengchong 679100,Yunnan,China)(2.Yunnan Earthquake Agency,Kunming 650224,Yunnan,China)

关键词:

腾冲台;  水位;  环境影响;  水化学;  地震前兆

Keywords:

Tengchong seismic observation wells;  water level;  the environmental impact;  water chemistry;  earthquake subsurface fluid precursor

分类号:

P315.723

DOI:

-

摘要:

腾冲地震台井水位常年多次出现大幅快速升降异常变化,考虑周边环境因素,通过对闫家塘放水、蓄水过程中腾冲地震台井水位变化进行跟踪监测,并结合观测井井水与闫家塘水水化学组分、氢氧稳定同位素等特征进行分析。结果表明:腾冲地震台井水位大幅快速升降变化主要受闫家塘放水、蓄水影响。对腾冲地震台井水位在近震前出现的高水位异常与地震的相关性分析,认为过量降雨的加载对该地区构造活动具有调制作用,该井水位变化能够提供一定的地震前兆异常信息,对台站附近地区的地下构造活动有一定的反映能力。

Abstract:

In this paper,the change of well water level in the Tengchong earthquake observation is scientifically and concretely analyzed and studied under the influence of surrounding environmental factors.The well water level of the Tengchong seismic station has many abnormal changes of large and fast rise and fall over these years.Through the experimental analysis of the changes in the water level of the Tengchong seismic station well affected by the water discharge and storage process of the Yanjiatang,we combined with the analysis of the hydrochemical composition and stable isotope of hydrogen and oxygen of well water in the Tengchong seismic station and Yanjiatang water.The results show that the large and rapid change of the well water level in the Tengchong seismic station is mainly affected by the water discharge and storage in Yanjiatang,and is the abnormal change caused by the water discharge and storage process in Yanjiatang.Based on the analysis of the abnormal water level of the Tengchong well water level before the near earthquake,it is considered that the loading of excessive rainfall in Tengchong has a modulating effect on the tectonic activity in this area,and the change of the well water level can provide certain earthquake precursor abnormal information and can reflect the underground tectonic activity in the area near the seismic station.When using the water level observation data of the Tengchong well,the factors affected by the environment should be fully considered,and the changes of the observation data should be objectively and correctly analyzed.

参考文献/References:

-

备注/Memo

备注/Memo:

收稿日期:2019-04-11
基金项目:云南省地震局科技人员“传帮带”项目(C2-201702)资助.

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更新日期/Last Update: 2020-01-30