判别地下水异常的干扰性与前兆性的原则及其应用实例

英文篇名：Principles on distinguishing interference from seismic precursor of underground water variation and its application
中文刊名：地震学报
英文刊名：Acta Seismologica Sinica
作者：车用太 ; 鱼金子 ; 刘成龙 ; 徐桂明 ; 郑益铭
英文作者：Che Yongtai~1) Yu Jinzi~1) Liu Chenglong~1) Xu Guiming~2) Zheng Yiming~3) 1) Institute of Geology ; China Earthquake Administration ; Beijing 100029 ; China 2) Earthquake Administration of Jiangsu Province ; Nanjing 210014 ; China 3) Administration of Protecting Against and Mitigating Earthquake Disasters of Qionglai City Sichuan Province ; Qionglai 611530 ; China
中文关键词：地下水 ; 干扰异常 ; 地震前兆异常
英文关键词：underground water ; interference anomaly ; earthquake precursory anomaly
出版日期：2011-11-15
机构：中国地震局地质研究所;江苏省地震局;四川省邛崃市防震减灾局;
年：2011
期：06
出版单位：地震学报

摘要

提出了地下水干扰异常识别与排除的4个"相关性"原则,即成因上的相关性、空间上的相关性、时间上的相关性与强度上的相关性;提出了地下水前兆异常确认的4个判据,即首先是非干扰性异常,其次是有震例与理论模式的支持,再次是已有前兆映震理论或模式的支持,最后是有其它测项与学科异常的配套.还介绍了利用上述原则与判据排除江苏省宿迁市大面积地下水干扰异常,与确认四川省邛崃川22井2007年12月—2008年4月断流为汶川地震的前兆性异常的实践检验实例.
In this paper four principles to follow in distinguishing interference from observations of underground water variation are presented.The principles are the correlation of contributing factors,the correlation of spatial variations,the correlation of temporal variations and the correlation of signal intensities.Besides,three criteria for identifying precursory anomalies of underground water variation are also proposed.Firstly the anomalies must have been distinguished from interferences;then there must be observations and theoretical model supporting the correlation between observed anomalies and earthquakes;finally there must be corresponding observed anomalies from other scientific observations.Two inspection cases in using above-mentioned principles and criteria are presented.The first case is the distinguishing and removing of the interference anomalies of underground water appeared in Suqian city,Jiangsu province.The second is the conformation of a precursory anomaly that the underground water flow in the Chuan 22 well,in Qionglai city of Sichuan,had shut down during December 2007 to April 2008 before the Wenchuan earthquake.

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