Yao Y B, Chen P, Wu H, et al. 2012. Analysis of Ionospheric anomalies before the 2011 Ms9.0 Japan earthquake. Chin. Sci. Bull., 57(5): 355-365.
[2]
Yu T, Mao T,Wang Y G, et al. 2009. Study of the Ionospheric anomaly before the Wencuan earthquake. Chin. Sci. Bull., 54(4): 493-499.
[3]
Yu T, Mao T, Wang Y G, et al. 2009. Study of the Ionospheric anomaly before the Wenchuan earthquake. Chinese Science Bulletin, 54(6): 1080-1086.
[4]
Yu R, Wang W X,Liu L B, et al. 2009. A global Ionospheric TEC perturbation index. Chinese J. Geophys.(in Chinese), 52(9): 2189-2194.
[5]
Zhang H B, Ou M,Zhen W M, et al. 2011. Ionospheric anomalies analysis of Eastern Japan great earthquake based on comprehensive observed data from the space and the ground. Chinese Journal of Radio Science (in Chinese), 26(3): 486-493.
[6]
Zhao Y, Zhang X H , Liu J N. 2010. Perturbation analysis of the Ionospheric TEC before and after the Wenchuan earthquake. Progress in Geophys.(in Chinese), 25(2): 447-453.
[7]
Akhoondzadeh M, Parrot M, Saradjian M R. 2010. Electron and ion density variations before strong earthquakes (M>6.0) using DEMETER and GPS data. Nat. Hazards Earth Syst. Sci., 10(1): 7-18.
[8]
Akhoondzadeh M. 2012. Anomalous TEC variations associated with the powerful Tohoku earthquake of 11 March 2011. Nat. Hazards Earth Syst. Sci., 12(5): 1453-1462.
[9]
Barbe K, Pintelon R, Schoukens J. 2010. Welch method revisited: nonparametric power spectrum estimation via circular overlap. Signal Processing, 58(2): 553-565.
[10]
Du A M, Tsurutani B T, Sun W. 2011. Solar wind energy input during prolonged, intense Northward interplanetary magnetic fields: A new coupling function. Journal of Geophysical Research, 116: A12215, doi: 10.1029/2011JA016718.
[11]
Ding Z H, Wu J, Sun S J,et al. 2010. The variation of ionosphere on some days before the Wenchuan Earthquake. Chinese J. Geophys.(in Chinese), 53(1): 30-38.
[12]
Freund F A, Takeuchi A, Lau B W S, et al. 2004. Stress-induced changes in the electrical conductivity of igneous rocks and the generation of ground currents. Terrestrial Atmospheric and Oceanic Sciences, 15(3): 437-468.
[13]
Han P, Huang Q H, Xiu J G,et al. 2009. Principal component analysis of geomagnetic diurnal variation associated with earthquakes: case study of the M6.1 Iwate-ken Nairku Hokubu earthquake. Chinese J. Geophys.(in Chinese), 52(6): 1556-1563.
[14]
Hen Y F, Yang D M,Chen H R,et al. 2009. SNR changes of VLF radio signals detected onboard the DEMETER satellite and their possible relationship to the Wenchuan earthquake. Science in China Series D: Earth Sciences,39(4): 403-412.
[15]
Kakinami Y S, Liu J Y, Tsai L C, et al. 2010. Ionospheric electron content anomalies detected by a FORMOSAT-3/COSMIC empirical model before and after the Wenchuan Earthquake. International Journal of Remote Sensing, 31(13): 3571-3578.
[16]
Le H, Liu J Y, Liu L. 2011. A statistical analysis of ionospheric anomalies before 736 M6.0+ earthquakes during 2002-2010. J. Geophys. Res., 116: A02303, doi: 10.1029/2010JA015781.
[17]
Lin J, Wu Y, Zhu F Y, et al.. 2009. Wenchuan earthquake ionosphere TEC anomaly detected by GPS. Chinese J. Geophys.(in Chinese), 52(1): 297-300.
[18]
Liperovsky V A, Pokhotelov O A, Meister C V, et al. 2008. Physical models of coupling in the lithosphere-atmosphere-ionosphere system before earthquakes. Geomagnetism and Aeronomy, 48(6): 795-806.
[19]
Liu J Y, Chen Y I, Chen C H, et al. 2009. Seismoionospheric GPS total electron content anomalies observed before the 12 May 2008 Mw7.9 Wenchuan earthquake. Journal of Geophysical Research, 114: A04320, doi: 10.1029/2008JA013698.
[20]
Liu J Y, Chen C H, Chen Y I, et al. 2010. A statistical study of ionopheric earthquake precursors monitored by using equatorial ionization anomaly of GPS TEC in Taiwan during 2001-2007. Journal of Asian Earth Sciences, 39(1-2): 76-80.
[21]
Ma X X, Lin Z,Chen H R, et al. 2013. Ionosphere anomaly before the Wenchuan Ms8.0 earthquake detected by COSMIC occultation data. Acta Seismologica Sinica (in Chinese), 35(6): 848-855.
[22]
Namgaladza A A, Zolotov O V, Karpov M, et al. 2012. Manifestations of the earthquake preparations in the ionosphere total electron content variations. Natural Science, 4(11): 848-855.
[23]
Pulinets S, Ouzounov D. 2011. Lithosphere-Atmosphere-Ionosphere Coupling (LAIC) model-An unified concept for earthquake precursors validation. Journal of Asian Earth Sciences, 41(4): 371-382.
[24]
Pulinets S A, Boyarchuk K A, Hegai V V, et al. 2000. Quasielectrostatic model of Atmosphere-Thermosphere-Ionosphere coupling. Adv. Space Res., 26(8): 1209-1218.
[25]
Pulinets S A, Gaivoronska T B, Leyva C A, et al. 2004. Correlation analysis technique revealing ionospheric precursors of earthquakes. Nat. Hazards Earth Syst. Sci., 4(5-6): 697-702.
[26]
Wu Y, Fu N B, Lin J, et al. 2011. Research on TEC anomalies before Ms8.0 Wenchuan earthquake by using Kalman filtering. Journal of Geodesy and Geodynamics (in Chinese), 31(2): 23-27.
[27]
Zhang X M, Li M, Guan H P. 2009a. Anomaly analysis of earth resistivity observations before the Wenchuan earthquake. Earthquake (in Chinese), 29(1): 108-115.
[28]
Zhang X M, Ding J H, Shen X H. 2009b. Electromagnetic perturbations before Wenchuan M8 earthquake and stereo electromagnetic observation system. Chinese Journal of Radio Science (in Chinese), 24(1): 1-8.
[29]
Zhu T, Wang L W. 2011. LF electric field anomalies related to Wenchuan earthquake observed by DEMETER satellite. Chinese J. Geophys.(in Chinese), 54(3): 717-727.
[30]
Zhao B, Wang M, Yu T, et al. 2008. Is an unusual large enhancement of Ionospheric electron density linked with the 2008 great Wenchuan earthquake? Journal of Geophysical Research, 113: A11304, doi: 10.1029/2008JA013613.
[31]
Xiong J, Zhou Y,Wu Y, et al. 2010. Ionospheric VTEC anomaly detected by ground-based GNSS before Ms7.1 Yushu earthquake. Journal of Geodesy and Geodynamics (in Chinese), 30(5): 24-27.
[32]
Zhang H P. 2006. Research on monitoring and delay correction of ionosphere using ground-based GPS data in Chinese region[Ph. D. thesis]. Shanghai: Shanghai Astronomical Observatory, Chinese Academy of Sciences.
