| 河北张北M6.2地震前怀来4井水汞短期异常特征 |
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| 引用本文： | 宋晓冰,张常慧,李海孝.河北张北M6.2地震前怀来4井水汞短期异常特征[J].山西地震,2005(2):13-14. |
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| 作者姓名： | 宋晓冰 张常慧 李海孝 |
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| 作者单位： | 河北省地震局怀来地震台,河北,怀来,075400 |
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| 摘 要： | 采用旬变化率新方法分析了河北怀来4井水汞观测资料。结果表明，河北张北M6．2地震前怀来。井出现了明显的水汞短期异常变化。用旬变化率新方法对怀来4井水汞短期异常的特征作了分析。认为，水汞的短期异常显示是有普遍性的，在判定异常时必须采用合适的数学分析方法方能奏效。
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| 关 键 词： | 短期异常 水汞 变化率 |
| 文章编号： | 1000-6265(2005)02-0013-02 |
| 修稿时间： | 2004年8月15日 |
Study on Characteristics of Short-term Anomaly in Mercury in Groundwater from Well No.4 in Huailai before Zhangbei Earthquake of M6.2,Hebei |
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| SONG Xiao-bing,ZHANG Chang-hui,LI Hai-xiao.Study on Characteristics of Short-term Anomaly in Mercury in Groundwater from Well No.4 in Huailai before Zhangbei Earthquake of M6.2,Hebei[J].Earthquake Research in Shanxi,2005(2):13-14. |
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| Authors: | SONG Xiao-bing ZHANG Chang-hui LI Hai-xiao |
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| Abstract: | Observed data of mercury in groundwater from the well No.4 in Huailai,Hebei,is analyzed by using a new ten-day rate of change method.The result shows that obvious short-term anomaly in mercury in groundwater from well No.4 in Huailai turned up before Zhangbei earthquake of M6.2,Hebei.Characteristics of short-term anomaly in mercury in groundwater from well No.4 in Huailai are analyzed by using the new ten-day rate of change method. The authors think that short-term anomaly in mercury in groundwater will generally turn up.To judge such kind of anomaly,some suitable mathematical method must be taken. |
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| Keywords: | Short-term anomaly Mercury in groundwater Rate of change |
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