Estimating along-track plasma drift speed from electron density measurements by the three Swarm satellites

  • Plasma convection in the high-latitude ionosphere provides important information about magnetosphere-ionosphere-thermosphere coupling. In this study we estimate the along-track component of plasma convection within and around the polar cap, using electron density profiles measured by the three Swarm satellites. The velocity values estimated from the two different satellite pairs agree with each other. In both hemispheres the estimated velocity is generally anti-sunward, especially for higher speeds. The obtained velocity is in qualitative agreement with Super Dual Auroral Radar Network data. Our method can supplement currently available instruments for ionospheric plasma velocity measurements, especially in cases where these traditional instruments suffer from their inherent limitations. Also, the method can be generalized to other satellite constellations carrying electron density probes.

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Metadaten
Author details:J. Park, H. Lühr, Claudia StolleORCiDGND, G. Malhotra, J. B. H. Baker, Stephan Buchert, R. Gill
URN:urn:nbn:de:kobv:517-opus4-408417
DOI:https://doi.org/10.25932/publishup-40841
ISSN:1866-8372
Title of parent work (English):Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe
Publication series (Volume number):Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe (503)
Publication type:Postprint
Language:English
Date of first publication:2019/01/17
Publication year:2015
Publishing institution:Universität Potsdam
Release date:2019/01/17
Tag:ionosphere; plasma convection
Issue:503
Number of pages:7
Source:Annales Geophysicae 33 (2015), pp. 829-835 DOI: 10.5194/angeo-33-829-2015
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät
DDC classification:5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 550 Geowissenschaften
Peer review:Referiert
Publishing method:Open Access
Grantor:Copernicus
License (German):License LogoCC-BY - Namensnennung 4.0 International
External remark:Bibliographieeintrag der Originalveröffentlichung/Quelle
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