| Study on Short-Term Abnormal Characteristics of Geoelectric and Geomagnetic Data before Strong Earthquakes in the North China Region |
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| 作者姓名： | Tian Shan |
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| 作者单位： | Tian Shan 1)，Guan Huaping 2)，Wu Guoyou 1) and Liu Yunxiu 1) 1)Earthquake Administration of Tianjin Municipality，Tianjin 300201，China 2)Center for Analysis and Prediction，China Earthquake Administration，Beijing 100036，China |
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| 基金项目： | Theresearch,entitled“EvolutionalCharacteristicsandRecognitionIndicatorsofShort TermElectromagneticAnomalyPriortoStrongEarthquake” ,issupportedasasub projectoftheNationalKeyScienceandTechnologyResearchProjecton“TechniquesforShort TermPredictionofStrong |
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| 摘 要： | INTRODUCTIONStrongearthquakeactivityrepresentsalarge scalecrustaltectonicmovementprocess .Intheprocessofearthquakepreparation ,thedistributionofthegeophysicalparametersintheearthquakepreparationareahasthecharacteroftemporalcontinuityandspatialdependencewithdifferentgeologicalstructures ,andhenceaseismicprecursoryfieldisformed .Affectedbythetectonicstressfieldandthestressfieldinthefocalarea ,theearthresistivityinthesourceanditssurroundingareaswillchangeintheprocessofearthquakepreparation .…
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Study on Short-Term Abnormal Characteristics of Geoelectric and Geomagnetic Data before Strong Earthquakes in the North China Region |
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| Tian Shan.Study on Short-Term Abnormal Characteristics of Geoelectric and Geomagnetic Data before Strong Earthquakes in the North China Region[J].Earthquake Research in China,2004,18(3):271-280. |
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| Authors: | Tian Shan |
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| Institution: | Tian Shan 1),Guan Huaping 2),Wu Guoyou 1) and Liu Yunxiu 1) 1)Earthquake Administration of Tianjin Municipality,Tianjin 300201,China 2)Center for Analysis and Prediction,China Earthquake Administration,Beijing 100036,China |
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| Abstract: | |
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| Keywords: | Strong earthquake Earth resistivity Vertical component of geomagnetic field Spatial linearity Short-term seismic anomaly |
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