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Extreme Poleward Expanding Super Plasma Bubbles Over Asia-Pacific Region Triggered By Tonga Volcano Eruption During the Recovery-Phase of Geomagnetic Storm

التفاصيل البيبلوغرافية
العنوان: Extreme Poleward Expanding Super Plasma Bubbles Over Asia-Pacific Region Triggered By Tonga Volcano Eruption During the Recovery-Phase of Geomagnetic Storm
المؤلفون: P. K. Rajesh, C. C. H. Lin, J.T. Lin, C. Y. Lin, J. Y. Liu, T. Matsuo, C. Y. Huang, M. Y. Chou, J. Yue, M. Nishioka, H. Jin, J.M. Choi, S.P. Chen, Marty Chou, H. F. Tsai
المصدر: Geophysical Research Letters. 49(15)
بيانات النشر: United States: NASA Center for Aerospace Information (CASI), 2022.
سنة النشر: 2022
مصطلحات موضوعية: Space Sciences (General)
الوصف: The Tonga volcano eruption of 15 January 2022 unleashed a variety of atmospheric perturbations, coinciding with the recovery-phase of a geomagnetic storm. The ensuing thermospheric variations created rare display of extreme poleward-expanding conjugate plasma bubbles seen in the rate of total electron content index over 100–150°E, reaching ∼40°N geographic latitude. This is associated with fluctuations in FORMOSAT-7/COSMIC-2 (F7/C2) ion-density measurements and spread-F in ionograms. Preceding to this, an unusually strong pre-reversal enhancement (PRE) occurred in the global ionospheric specification (GIS) electron density profiles derived from F7/C2 observations. The GIS also revealed a decrease of equatorial ionization anomaly (EIA) crest density due to the storm impact. Reduced E-region conductivity by volcano-induced waves and enhanced F-region wind, further accelerated by reduced ion-drag over the EIA, apparently intensified the PRE. Accompanied with the strong PRE, volcano-induced seed perturbations triggered the super plasma bubble activity.
نوع الوثيقة: Report
اللغة: English
تدمد: 1944-8007
0094-8276
DOI: 10.1029/2022GL099798
URL الوصول: https://ntrs.nasa.gov/citations/20230001102
ملاحظات: 80NSSC20K0628

HQ-NASA-HPAC

80NSSC21M0180
رقم الأكسشن: edsnas.20230001102
قاعدة البيانات: NASA Technical Reports
الوصف
تدمد:19448007
00948276
DOI:10.1029/2022GL099798