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ANGEO | Articles | Volume 38, issue 1
Ann. Geophys., 38, 163–177, 2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 38, 163–177, 2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Regular paper 05 Feb 2020

Regular paper | 05 Feb 2020

Equatorial plasma bubbles developing around sunrise observed by an all-sky imager and global navigation satellite system network during storm time

Kun Wu et al.

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Cited articles

Aa, E., Huang, W., Yu, S., Liu, S., Shi, L., Gong, J., Chen, Y., and Shen, H.: A regional ionospheric tec mapping technique over china and adjacent areas on the basis of data assimilation, J. Geophys. Res., 120, 5049–5061,, 2015. 
Aa, E., Huang, W., Liu, S., Ridley, A., Zou, S., Shi, L., Chen, Y., Shen, H., Yuan, T., Li, J., and Wang, T.: Midlatitude plasma bubbles over China and adjacent areas during a magnetic storm on 8 September 2017, Adv. Space Res., 16, 321–331,, 2018. 
Abdu, M. A.: Outstanding problems in the equatorial ionosphere–thermosphere electrodynamics relevant to spread f, J. Atmos. Sol.-Terr. Phys., 63, 869–884,, 2001. 
Abdu, M. A.: Magnetospheric disturbance induced equatorial plasma bubble development and dynamics: A case study in Brazilian sector, J. Geophys. Res., 108, 1449,, 2003. 
Basu, S., Basu, S., MacKenzie, E., Bridgwood, C., Valladares, C. E., Groves, K. M., and Carrano, C.: Specification of the occurrence of equatorial ionospheric scintillations during the main phase of large magnetic storms within solar cycle, Radio Sci., 45, RS5009,, 2010. 
Publications Copernicus
Short summary
An equatorial plasma bubble (EPB) event, emerging near dawn and developing after sunrise, was simultaneously observed by an all-sky imager and the global navigation satellite system (GNSS) network. The observed EPBs showed westward drifts, different from post-sunset EPBs. The EPBs occurred in the recovery phase of a geomagnetic storm, possibly playing a key role in initializing their developments. The results provide a new perspective of EPBs, enriching our knowledge of ionospheric irregularity.
An equatorial plasma bubble (EPB) event, emerging near dawn and developing after sunrise, was...