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Near-Earth bursty bulk flows and AE index
Zhang, L. Q.; Shi, J. K.; Liu, Z. X.; Baumjohann, W.; Ma, Z. W.; Dunlop, M. W.; Carr, C.; Reme, H.; 北京8701信箱
Source PublicationScience in China Series E-Technological Sciences
KeywordBbf Near-earth Ae Index Substorm Onset Central Plasma Sheet Geomagnetic Tail Substorms Instrument
AbstractWith the 4-s resolution data of the magnetometer and the ion plasma analyzer on TC-1 from June to November of each year during the period of 2004-2006, we statistically analyzed the occurrence rate of both convective and field-aligned bursty flows (FABFs). A near-Earth bursty bulk flow (NEBBF) occurred during both the quiet time and substorm process. In general, the magnetic field and the plasma density began oscillating with the appearance of the NEBBF associated with a distinct increase of the AE index. The increase of AE index during the NEBBF was more than 100 nT in both quiet time and substorm process. The statistical analysis indicated that the occurrence rates of the FABFs were nearly the same in the different stages of the AE index, but the occurrence rate of the NEBBFs was much higher in the growth stage of the AE index, indicating that the NEBBFs were directly related to the growth and expansion phases of the substorm. The observations suggested that the quite large number of BBFs from the mid magnetotail could enter into the near-Earth tail and play important role in triggering the substorm onset.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Zhang, L. Q.,Shi, J. K.,Liu, Z. X.,et al. Near-Earth bursty bulk flows and AE index[J]. Science in China Series E-Technological Sciences,2008,51(10):1704-1712.
APA Zhang, L. Q..,Shi, J. K..,Liu, Z. X..,Baumjohann, W..,Ma, Z. W..,...&北京8701信箱.(2008).Near-Earth bursty bulk flows and AE index.Science in China Series E-Technological Sciences,51(10),1704-1712.
MLA Zhang, L. Q.,et al."Near-Earth bursty bulk flows and AE index".Science in China Series E-Technological Sciences 51.10(2008):1704-1712.
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