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地震 ›› 2002, Vol. 22 ›› Issue (4): 130-135.

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江苏地区数字地热正常动态及震例初步研究

徐桂明, 冯志生, 唐振芳   

  1. 江苏省地震局, 江苏南京 210014
  • 收稿日期:2002-07-08 修回日期:2002-07-19 发布日期:2021-12-21
  • 作者简介:徐桂明(1972-),男,河北承德人,助理研究员,主要从事地震地下流体分析预报研究。
  • 基金资助:
    “十五”国家科技攻关项目(01-04-02)

Study of normaldy namics and earthquakesamples of Jiangsu digital geothermal data

XU Gui-ming, FENG Zhi-shing, TANG Zhen-fang   

  1. Seismological Bureau of Jiangsu Province, Nanjing 210014, China
  • Received:2002-07-08 Revised:2002-07-19 Published:2021-12-21

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摘要： 地震地热前兆的观测与研究是一项具有特色的短临预报新方法,并在地震预报的实践中取得了一定的实效。江苏省地震局在“九五”期间建立了一批数字化地热综合观测台, 积累了丰富的观测资料并记录到数个地热异常震例。一年来在边观测边研究的过程中发现数字化地热观测资料具有信息量大、观测精度高、正常动态稳定、异常易于识别、映震灵敏等优点。并对数字地热资料进行了充分的使用和多种方法分析, 在研究正常动态特征和影响因素的基础上,总结异常识别和异常分析方法, 并通过对典型震例的研究探索地热异常与地震之间的关系。

关键词: 数字地热, 正常动态, 影响因素, 地热异常

Abstract: The re search on geothermal precursor is a characteristicshort-term prediction method that has a good effect in the earthquake prediction practic e. The Seismological Bureau of Jiangsu Province built up a set of digital geothermal synthetical observation stations during “the Ninth Five-Year Plan”, and accumulated plenty of observational data and some earthquakesamples of geothem. During re search and observation, we found that the digital geothermal data has many virtues suchas a bundant available information, high precision of observation, stable normaldy namics, easily judged anomaly, sensitiveresponse of earthquake, and soon. Digital geothermal data was well used and multi-analyzed in this paper. Basedon the study of normalcy characteristics and interferential factors, we summed up some methods in judging and analy zing the anomalies. The relation between geothermal anomalies and earthquakes arealso discussed by using typical earthquakesamples in this paper.

Key words: Geothermal anomaly, Digital observation, Normaldy namics, Interferential factor

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