Large horizontal electric fields measured at balloon heights of the Brazilian magnetic anomaly and association to local energetic particle precipitation

W. D. Gonzalez; A. E.C. Pereira; A. L.C. Gonzalez; I. M. Martin; S. L.G. Dutra; O. Pinto; J. Wygant; F. S. Mozer

doi:10.1029/GL009i005p00567

Large horizontal electric fields measured at balloon heights of the Brazilian magnetic anomaly and association to local energetic particle precipitation

W. D. Gonzalez, A. E.C. Pereira, A. L.C. Gonzalez, I. M. Martin, S. L.G. Dutra, O. Pinto, J. Wygant, F. S. Mozer

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

During a stratospheric balloon flight on April 9, 1980, large scale electric fields have been measured, for the first time, at the Brazilian Magnetic Anomaly with a double‐probe detector. We report here the results of this flight performed during a time interval with fair weather at the observing region and enhanced geomagnetic activity. These results suggest that a BAND of precipitating energetic particles, moving equatorwards with respect to the balloon, could have produced a conductivity enhancement down to the middle atmosphere, distorting the vertical atmospheric electric field and giving rise to the type of horizontal fields observed.

Original language	English (US)
Pages (from-to)	567-570
Number of pages	4
Journal	Geophysical Research Letters
Volume	9
Issue number	5
DOIs	https://doi.org/10.1029/GL009i005p00567
State	Published - May 1982

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10.1029/GL009i005p00567

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Gonzalez, W. D., Pereira, A. E. C., Gonzalez, A. L. C., Martin, I. M., Dutra, S. L. G., Pinto, O., Wygant, J., & Mozer, F. S. (1982). Large horizontal electric fields measured at balloon heights of the Brazilian magnetic anomaly and association to local energetic particle precipitation. Geophysical Research Letters, 9(5), 567-570. https://doi.org/10.1029/GL009i005p00567

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abstract = "During a stratospheric balloon flight on April 9, 1980, large scale electric fields have been measured, for the first time, at the Brazilian Magnetic Anomaly with a double‐probe detector. We report here the results of this flight performed during a time interval with fair weather at the observing region and enhanced geomagnetic activity. These results suggest that a BAND of precipitating energetic particles, moving equatorwards with respect to the balloon, could have produced a conductivity enhancement down to the middle atmosphere, distorting the vertical atmospheric electric field and giving rise to the type of horizontal fields observed.",

author = "Gonzalez, {W. D.} and Pereira, {A. E.C.} and Gonzalez, {A. L.C.} and Martin, {I. M.} and Dutra, {S. L.G.} and O. Pinto and J. Wygant and Mozer, {F. S.}",

year = "1982",

month = may,

doi = "10.1029/GL009i005p00567",

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AU - Gonzalez, W. D.

AU - Pereira, A. E.C.

AU - Gonzalez, A. L.C.

AU - Martin, I. M.

AU - Dutra, S. L.G.

AU - Pinto, O.

AU - Wygant, J.

AU - Mozer, F. S.

PY - 1982/5

Y1 - 1982/5

N2 - During a stratospheric balloon flight on April 9, 1980, large scale electric fields have been measured, for the first time, at the Brazilian Magnetic Anomaly with a double‐probe detector. We report here the results of this flight performed during a time interval with fair weather at the observing region and enhanced geomagnetic activity. These results suggest that a BAND of precipitating energetic particles, moving equatorwards with respect to the balloon, could have produced a conductivity enhancement down to the middle atmosphere, distorting the vertical atmospheric electric field and giving rise to the type of horizontal fields observed.

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Large horizontal electric fields measured at balloon heights of the Brazilian magnetic anomaly and association to local energetic particle precipitation

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