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大灰厂井水位上升异常及其震兆意义
The earthquake omen significance of raised abnormity of Beijing Fengtai station Dahuichang water level
【摘要】 分析了大灰厂水位多年变化趋势及其影响因素的基础上,确认2003年10月9日开始出现的水位上升异常,把该异常与本台的地形变异常、邻近的另一口井水位变化对比分析后认为异常是构造运动引起的,不是干扰异常,通过震例研究,进一步认为该异常具有震兆意义。
【Abstract】 Authors have confirmed the rise abnormity of well water level appeared in October 9,2003 based on analyzing the years variety trend of Dahuichang well water level and affected factor.After the rise abnormity had been analyzed by contrast with a nearby well water level and the ground strain in same station,we consider that the rise abnormity is results of structure activity,but not disturbance.We think this rise abnormity contain earthquake precursory meaning through research earthquake cases.
【基金】 北京市“十五”基金课题《北京及邻区中等以上地震中短期、短临异常判定指标体系研究》资助
- 【文献出处】 地震地磁观测与研究 ,Seismological and Geomagnetic Observation and Research , 编辑部邮箱 ,2005年02期
- 【分类号】P315.723
- 【被引频次】10
- 【下载频次】104