1976年唐山7.8级地震地电阻率和地下水前兆综合物理机制研究①

地震 ›› 1998, Vol. 18 ›› Issue (S1): 1-9.

• • 下一篇

1976年唐山7.8级地震地电阻率和地下水前兆综合物理机制研究^①

钱家栋¹⁾, 曹爱民²⁾

1) 中国北京 100036 中国地震局分析预报中心;
2) 中国河北 101601 防灾技术高等专科学校

收稿日期:1998-06-16 修回日期:1998-07-28 出版日期:1998-10-20 发布日期:2022-09-30
作者简介:钱家栋,男,1940年12月出生,研究员,主要从事电磁预报地震方法.前兆机理、孕震过程数值模拟等研究工作。
基金资助:
①地震科学联合基金资助项目(95-07-431)

RESEARCH ON COMPREH ENSIVE MECHANISM OF PRECURSORS IN APPA RENT RESISTIVITY AND WATER TABLE ASSOCIATED WITH 1976 TANGSHAN EARTHQUAKE (M=7. 8)

Qian Jiadong¹⁾, Cao Aimin²⁾

1) Center for Analysis and Prediction, CSB, Beijing 100036,China;
2) Cotlege of Disaster Prevention Technology, Yanjiao 101601, China

Received:1998-06-16 Revised:1998-07-28 Online:1998-10-20 Published:2022-09-30

摘要/Abstract

摘要： 在长期观测资料的基础上,通过对1976年唐山7.8级地震震例的分析,对地电阻率和地下水前兆的综合物理机制问题作了进一步研究,解决了长期以来尚未解决的以下问题:①地下水位的下降应引起地电阻率的上升,而震例中的地电阻率却是下降的;②宝坻地电台(距震中77km)震前无年变化而震后出现明显的年变化,形成强烈反差。

关键词: 地电阻率, 地下水位, 真电阻率, 承压水层, 潜水层

Abstract: Based on the long-term observation, this paper deals with the new progresses in re-searching the comprehensive mechanism of precursors in apparent resistivity and water table associated with 1976 Tangshan earthquake （M=7. 8), and gives better understand-ing to some puzzling questions in the case study of Tangshan earthquake. The questions are as follows: ①The descending changes both in apparent resistivity and water table in the case study seem to be a“conflict" physical explanation;②the fact of sharp contrast in the seasonal changes in Baodi station (77 km away from Tangshan) before and after Tang-shan earthquake needs to be explained.

Key words: Apparent resistivity, Water table, True resistivity, Aquifer, Ground-water

钱家栋, 曹爱民. 1976年唐山7.8级地震地电阻率和地下水前兆综合物理机制研究^①[J]. 地震, 1998, 18(S1): 1-9.

Qian Jiadong, Cao Aimin. RESEARCH ON COMPREH ENSIVE MECHANISM OF PRECURSORS IN APPA RENT RESISTIVITY AND WATER TABLE ASSOCIATED WITH 1976 TANGSHAN EARTHQUAKE (M=7. 8)[J]. EARTHQUAKE, 1998, 18(S1): 1-9.

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1976年唐山7.8级地震地电阻率和地下水前兆综合物理机制研究^①

RESEARCH ON COMPREH ENSIVE MECHANISM OF PRECURSORS IN APPA RENT RESISTIVITY AND WATER TABLE ASSOCIATED WITH 1976 TANGSHAN EARTHQUAKE (M=7. 8)

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