EDI convection measurements at 5-6 RE in the post-midnight region

J. M Quinn; G Paschmann; N Sckopke; V. K Jordanova; H Vaith; O. H Bauer; W Baumjohann; W Fillius; G Haerendel; S. S Kerr; C. A Kletzing; K Lynch; C. E Mcilwain; R. B Torbert; E. C Whipple

doi:10.1007/s005850050875

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EDI convection measurements at 5-6 RE in the post-midnight region

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EDI convection measurements at 5-6 RE in the post-midnight region

J. M Quinn, G Paschmann, N Sckopke, V. K Jordanova, H Vaith, O. H Bauer, W Baumjohann, W Fillius, G Haerendel, S. S Kerr, …

Annales geophysicae (1988), Vol.17(12), pp.1503-1512

1999

DOI: 10.1007/s005850050875

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Abstract

We present the first triangulation measurements of electric fields with the electron drift instrument (EDI) on Equator-S. We show results from five high-data-rate passes of the satellite through the near-midnight equatorial region, at geocentric distances of approximately 5?6 RE, during geomagnetically quiet conditions. In a co-rotating frame of reference, the measured electric fields have magnitudes of a few tenths of mV/m, with the E × B drift generally directed sunward but with large variations. Temporal variations of the electric field on time scales of several seconds to minutes are large compared to the average magnitude. Comparisons of the "DC" baseline of the EDI-measured electric fields with the mapped Weimer ionospheric model and the Rowland and Wygant CRRES measurements yield reasonable agreement.

Earth Sciences

Ocean, Atmosphere

Sciences of the Universe

Details

Title: Subtitle: EDI convection measurements at 5-6 RE in the post-midnight region
Creators: J. M Quinn - Space Science Center [Durham]
G Paschmann - Max Planck Institute for Extraterrestrial Physics
N Sckopke - Max Planck Institute for Extraterrestrial Physics
V. K Jordanova - Space Science Center [Durham]
H Vaith - Max Planck Institute for Extraterrestrial Physics
O. H Bauer - Max Planck Institute for Extraterrestrial Physics
W Baumjohann - Max Planck Institute for Extraterrestrial Physics
W Fillius - Center for Astrophysics and Space Sciences [La Jolla]
G Haerendel - Max Planck Institute for Extraterrestrial Physics
S. S Kerr - Center for Astrophysics and Space Sciences [La Jolla]
C. A Kletzing - Department of Physics and Astronomy [Iowa City]
K Lynch - Space Science Center [Durham]
C. E Mcilwain - Center for Astrophysics and Space Sciences [La Jolla]
R. B Torbert - Space Science Center [Durham]
E. C Whipple - Geophysics Program
Resource Type: Journal article
Publication Details: Annales geophysicae (1988), Vol.17(12), pp.1503-1512
DOI: 10.1007/s005850050875
ISSN: 0992-7689
eISSN: 1432-0576
Publisher: European Geosciences Union
Language: English
Date published: 1999
Academic Unit: Physics and Astronomy
Record Identifier: 9984199794502771

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