oxygen ion uplift and satellite drag effects during the 30 october 2003 daytime superfountain event

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ID: 242034
2007
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Abstract
The prompt penetration of interplanetary electric fields (IEFs) to the dayside low-latitude ionosphere during the first ~2 h of a superstorm is estimated and applied to a modified NRL SAMI2 code for the 30 October 2003 event. In our simulations, the dayside ionospheric O+ is convected to higher altitudes (~600 km) and higher latitudes (~±25° to 30°), forming highly displaced equatorial ionospheric anomaly (EIA) peaks. This feature plus others are consistent with previously published CHAMP electron (TEC) measurements and with the dayside superfountain model. The rapid upward motion of the O+ ions causes neutral oxygen (O) uplift due to ion-neutral drag. It is estimated that above ~400 km altitude the O densities within the displaced EIAs can be increased substantially over quiet time values. The latter feature will cause increased drag for low-altitude satellites. This newly predicted phenomenon is expected to be typical for superstorm/IEF events.
Reference Key
tsurutani2007annalesoxygen Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;B. T. Tsurutani;B. T. Tsurutani;O. P. Verkhoglyadova;O. P. Verkhoglyadova;A. J. Mannucci;T. Araki;A. Sato;T. Tsuda;K. Yumoto
Journal journal of food measurement and characterization
Year 2007
DOI
10.5194/angeo-25-569-2007
URL
https://www.ann-geophys.net/25/569/2007/angeo-25-569-2007.pdf
Keywords
cosmic physics sciencephysicsgeophysics

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