微地震震前热异常活动现象研究
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摘要
2009年3月间,在中国境内共发生三次4级微地震,本文利用NCEP(www.ncep.noaa.gov)遥感数据依据天体引潮力变化周期提取异常增温信息对其进行分析。结果表明:依据天体引潮力变化周期获得的增温图像呈现出震前异常增温经历:起始→高峰→衰减→再升温→平静的演变过程,该过程反映地震构造由初始微动破裂→扩张破裂→结构调整→地震爆发→平静的一般过程。从引潮力的改变就是温度开始变化的起点,表明天体引潮力对地震构造活动具有一定的影响,但这种影响不是突然的而是连续的,当达到临界点(温度由最高-下降点)就可能诱发地震。
The three micro-earthquakes(Ms<5) took place in China in March 2009 were studied with their NCEPs(www.ncep.noaa.gov) remote sensing temperature data and according to the cyclical changes in tidal force of celestial bodies to analyze their abnormal warming.The results indicate that the tidal force of celestial bodies has a triggering effect on the activity of tectonic.The temperature abnormal increase varied with the cycle calculated from changes in tidal force of celestial bodies:initial temperature rise→enhancement→reaching peak→attenuation→return to baseline.This evolution of changing indicated the fault activities under tectonics stress:tectonic movement extrusion→rock micro-breakage→rock breaking enhancement→energy accumulation→shaking→tranquil.Tidal force of celestial bodies has a certain influence on tectonic activity,the impact is not sudden but a continuous,when it reached a critical point(temperature from the highest to lowest point) it may induce an earthquake.
The three micro-earthquakes(Ms<5) took place in China in March 2009 were studied with their NCEPs(www.ncep.noaa.gov) remote sensing temperature data and according to the cyclical changes in tidal force of celestial bodies to analyze their abnormal warming.The results indicate that the tidal force of celestial bodies has a triggering effect on the activity of tectonic.The temperature abnormal increase varied with the cycle calculated from changes in tidal force of celestial bodies:initial temperature rise→enhancement→reaching peak→attenuation→return to baseline.This evolution of changing indicated the fault activities under tectonics stress:tectonic movement extrusion→rock micro-breakage→rock breaking enhancement→energy accumulation→shaking→tranquil.Tidal force of celestial bodies has a certain influence on tectonic activity,the impact is not sudden but a continuous,when it reached a critical point(temperature from the highest to lowest point) it may induce an earthquake.
引文
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[16]Kalnay.E,Kanamitsu.M,Kistler.R,et al.The NCEP/NCAR 40 years reanalysis project[J].Bulletin of the AmericanMeteorological Society,1996,77(3):1996,437-471.
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[2]S.Kilston,L.Knopoff.Lunar-solar periodicities of large earthquakes in southern California[J].Nature 304,1983(07):21-25.
[3]马宗晋,傅征祥,张珍,等.1966-1976年中国九大地震[M].北京:地震出版社,1982.
[4]吴立新,刘善军,吴育华.遥感-岩石力学引论[M].北京:科学出版社,2006:234-235.
[5]Gorny V I,Salman A G,Tronin A A,et al.The earth outgoing IR radiation as an indicator of seismic activity[J].Aka-demiia Nauk SSSR,Doklady(ISSN 0002-3264),1988,301(1):67-69.
[6]孔令昌,强祖基.台湾海峡7.3级强震前的热红外增温异常[J].地震学刊,1997(3):34-37.
[7]吕琪琦,丁鉴海,崔承禹.1998年1月10日张北6.2级地震前可能的卫星热红外异常现象[J].地震学报,2000,22(2):183-188.
[8]李茂玮,扬忠东.卫星遥感资料在地震预报中的应用研究(以1991年柯坪6.5级地震为例)[J].内陆地震,1996,10(4):296-303.
[9]强祖基,孔令昌,郭满江.卫星热红外增温机制的实验研究[J].地震学报,1997,19(2):197-201.
[10]Qiang Zuiji,Dian Changgong,Li Lingzhi,et al.Satellite thermal infrared brightness temperature anomaly image-short-term and impending earthquake precursors[J].Earsel Newsletter,2001(47):21-26.
[11]强祖基,赁常恭,李玲芝.卫星热红外图像亮温异常———临震前兆[J].中国科学(D辑),1998,28(6):564-573.
[12]武安绪,张晓东,张永仙,等.定量提取固体潮异常信息[J].国际地震动态,2008(11):57.
[13]S.R.Mcnutt,R.J.Beavan.Volcanic earthquakes at Pavlof volcano correlated with the earth tide[J].Nature 294,1981(17):615-618.
[14]Ma Weiyu.A preliminary study on the use of NCEP temperature images and Astro-Tidal-Triggering to forecast short-impending earthquake[J].Earthquake Research in China,2007,21(1):85-93.
[15]Ma Weimin,Ma Weiyu,Zhao Hu,Li Hongwei.Temperature changing process of the Hokkaido(Japan)earthquake on 25September 2003[J].Natural Hazards and Earth System Sciences,2008(8):985-989.
[16]Kalnay.E,Kanamitsu.M,Kistler.R,et al.The NCEP/NCAR 40 years reanalysis project[J].Bulletin of the AmericanMeteorological Society,1996,77(3):1996,437-471.
[17]吴立新,刘善军,许向红,等.遥感-岩石力学(Ⅲ):交汇断层黏滑的热红外辐射与声发射规律及其构造地震前兆意义[J].岩石力学与工程学报,2004,23(3):401-407.
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