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Pregled bibliografske jedinice broj: 945683

Časopis

Autori: Verbanac, Giuliana; Bandić, Mario; Pierrard, Viviane; Cho, Junghee
Naslov: MLT Plasmapause Characteristics: Comparison Between THEMIS Observations and Numerical Simulations
( MLT Plasmapause Characteristics: Comparison Between THEMIS Observations and Numerical Simulations )
Izvornik: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS (2169-9380) 123 (2018), 3; 2000-2017
Vrsta rada: članak
Ključne riječi: plasmapause characteristics, THEMIS observations, numerical simulations
( plasmapause characteristics, THEMIS observations, numerical simulations )
Sažetak:
We perform a statistical comparison of the global behavior of the THEMIS observed and simulated plasmapause in the geomagnetic equatorial plane. Simulation is based on the interchange instability mechanism. Analyzing plasmapause positions ( L PP s) from the period July 2008 to December 2012, we derived formation and propagation characteristics of the main plasmapause, which reflect the most probable global plasmapause behavior. The results suggest a global eastward azimuthal plasmapause propagation and a radial plasmapause motion limited to the 21–07 MLT sector. The formation of the plasmapause takes place with the highest probability at postmidnight. It is likely that the erosion occurs in a range of MLTs simultaneously. On the dayside, the plasmapause moves almost entirely azimuthally. We suggest that the plasmapause propagates azimuthally with a mean angular velocity close to the corotation speed at all MLTs, at least during periods of lower geomagnetic activity. The results also show that the experimental plasmapause characteristics are in accordance with the interchange instability mechanism. Along with the proposed suggestions for future works, this study contributes to making a further step toward resolving some of the long-lasting, unresolved issues related to plasmapause dynamics.
Izvorni jezik: eng
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika,Geofizika
URL Internet adrese: https://doi.org/10.1002/2017JA024573
Broj citata:
Altmetric:
DOI: 10.1002/2017JA024573
URL cjelovitog teksta:
Google Scholar: MLT Plasmapause Characteristics: Comparison Between THEMIS Observations and Numerical Simulations
Upisao u CROSBI: Giuliana Verbanac (verbanac@irb.hr), 2. Srp. 2018. u 12:47 sati



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