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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/npg-2017-33
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
19 Jul 2017
Review status
This discussion paper is a preprint. A revision of this manuscript was accepted for the journal Nonlinear Processes in Geophysics (NPG) and is expected to appear here in due course.
Satellite drag effects due to uplifted oxygen neutrals during super magnetic storms
Gurbax S. Lakhina1 and Bruce T. Tsurutani2 1Indian Institute of Geomagnetism, New Panvel (W), Navi Mumbai , India
2Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Abstract. During intense magnetic storms, prompt penetration electric fields (PPEFs) through E×B forces near the magnetic equator uplift the dayside ionosphere. This effect has been called the “dayside superfountain effect”. Ion-neutral drag forces between the upward moving O+(oxygen ions) and oxygen neutrals will elevate the oxygen atoms to higher altitudes. This paper gives a linear calculation indicating how serious the effect may be during an 1859-type (Carrington) superstorm. It is concluded that the oxygen neutral densities produced at low-Earth-orbiting (LEO) satellite altitudes may be sufficiently high to present severe satellite drag. It is estimated that with a prompt penetrating electric field of ~ 20 mV/m turned on for 20 min, the O atoms and O+ ions are uplifted to 850 km where they produce about 40 times more satellite drag per unit mass than normal. Stronger electric fields will presumably lead to greater uplifted mass.

Citation: Lakhina, G. S. and Tsurutani, B. T.: Satellite drag effects due to uplifted oxygen neutrals during super magnetic storms, Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2017-33, in review, 2017.
Gurbax S. Lakhina and Bruce T. Tsurutani
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
 
RC1: 'Review', Anonymous Referee #1, 21 Aug 2017 Printer-friendly Version 
 
RC2: 'Review', Yasuhito Narita, 08 Sep 2017 Printer-friendly Version 
 
RC3: 'specific comments', Anonymous Referee #3, 14 Sep 2017 Printer-friendly Version 
 
AC1: 'Reply to the comments by the Referees', Gurbax S. Lakhina, 30 Oct 2017 Printer-friendly Version Supplement 
Gurbax S. Lakhina and Bruce T. Tsurutani
Gurbax S. Lakhina and Bruce T. Tsurutani

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Short summary
A preliminary estimate of the drag force per unit mass on typical low Earth orbiting satellites moving through the ionosphere during Carrington-type super magnetic storms is calculated by a simple first-order model which takes into account the ion-neutral drag between the upward moving oxygen ions and O neutral atoms. It is shown that oxygen ions and atoms can be uplifted to 850 km altitude where they produce about 40 times more satellite drag per unit mass than normal.
A preliminary estimate of the drag force per unit mass on typical low Earth orbiting satellites...
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