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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:J. Park, H. Lühr, Claudia StolleORCiDGND, G. Malhotra, J. B. H. Baker, S. Buchert, R. Gill
URN:urn:nbn:de:kobv:517-opus4-408417
DOI:https://doi.org/10.25932/publishup-40841
ISSN:1866-8372
Parent Title (English):Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe
Series (Serial Number):Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe (503)
Document Type:Postprint
Language:English
Date of first Publication:2019/01/17
Year of Completion:2015
Publishing Institution:Universität Potsdam
Release Date:2019/01/17
Tag:ionosphere; plasma convection
Issue:503
Pagenumber:7
Source:Annales Geophysicae 33 (2015), pp. 829-835 DOI: 10.5194/angeo-33-829-2015
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 550 Geowissenschaften
Peer Review:Referiert
Publication Way:Open Access
Grantor:Copernicus
Licence (German):License LogoCreative Commons - Namensnennung, 4.0 International
Notes extern:Bibliographieeintrag der Originalveröffentlichung/Quelle