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SAID: A turbulent plasmaspheric boundary layer
- 1.0357112 - ÚFA 2011 RIV US eng J - Článek v odborném periodiku
Mishin, E. V. - Puhl-Quinn, P. A. - Santolík, Ondřej
SAID: A turbulent plasmaspheric boundary layer.
Geophysical Research Letters. Roč. 37, - (2010), L07106/1-L07106/4. ISSN 0094-8276. E-ISSN 1944-8007
Grant CEP: GA ČR GAP205/10/2279
Výzkumný záměr: CEZ:AV0Z30420517
Klíčová slova: subauroral ion drifts * SAID * Cluster * DMSP * Polar
Kód oboru RIV: BL - Fyzika plazmatu a výboje v plynech
Impakt faktor: 3.505, rok: 2010
This paper presents novel features of subauroral ion drifts (SAID) observed from a unique conjunction of the Cluster, DMSP, and Polar satellites, including the discovery of SAID-related plasma waves. These observations confirm and expand on our proposed concept of the SAID channel being a turbulent boundary layer, formed via a short circuit of the substorm-injected plasmoid by the plasmasphere. We show that SAID formation is related to enhanced lower hybrid/fast magnetosonic waves. Their excitation leads to anomalous circuit resistivity and magnetic diffusion, similar to the well-documented plasmoid-magnetic barrier problem, including impulsive penetration at the magnetopause.
Trvalý link: http://hdl.handle.net/11104/0195458
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