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High latitude artificial aurora from EISCAT: An unique phenomenon?

Research output: Contribution to conference - Without ISBN/ISSN Other

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High latitude artificial aurora from EISCAT: An unique phenomenon? / Kosch, M. J.; Rietveld, M. T.; Honary, F. et al.
2001. 7-10 28th Annual European Meeting on Atmospheric Studies by Optical Methods.

Research output: Contribution to conference - Without ISBN/ISSN Other

Harvard

Kosch, MJ, Rietveld, MT, Honary, F & Hagfors, T 2001, 'High latitude artificial aurora from EISCAT: An unique phenomenon?', 28th Annual European Meeting on Atmospheric Studies by Optical Methods, 1/01/00 pp. 7-10.

APA

Kosch, M. J., Rietveld, M. T., Honary, F., & Hagfors, T. (2001). High latitude artificial aurora from EISCAT: An unique phenomenon?. 7-10. 28th Annual European Meeting on Atmospheric Studies by Optical Methods.

Vancouver

Kosch MJ, Rietveld MT, Honary F, Hagfors T. High latitude artificial aurora from EISCAT: An unique phenomenon?. 2001. 28th Annual European Meeting on Atmospheric Studies by Optical Methods.

Author

Kosch, M. J. ; Rietveld, M. T. ; Honary, F. et al. / High latitude artificial aurora from EISCAT: An unique phenomenon?. 28th Annual European Meeting on Atmospheric Studies by Optical Methods.4 p.

Bibtex

@conference{c13e03329497464f87524d5a3132e55e,
title = "High latitude artificial aurora from EISCAT: An unique phenomenon?",
abstract = "The EISCAT HF-facility is capable of transmitting up to 210MW of effective radiated power into the ionosphere around 4 MHz. Beam swinging experiments have been undertaken with O- and X-mode transmissions. During O-mode pumping soon after sunset, F-region electrons were accelerated sufficiently to excite the oxygen atoms, resulting in observable optical emissions. It has been found that the O1D emission at 630 nm appears near the magnetic field aligned direction regardless of the HF transmitter beam pointing direction. This is not consistent with similar lower latitude observations. The strongest optical emission is produced when HF-pumping is approximately along the magnetic field line direction. This geometric phenomenon is presented for the first time and suggests that the magnetic field orientation is important for the mechanism of high-latitude artificial aurora. X-mode pumping does not produce an artificial aurora.",
keywords = "heating DCS-publications-id, inproc-287, DCS-publications-credits, dasi, iono-fa, DCS-publications-personnel-id, 7, 5, 56",
author = "Kosch, {M. J.} and Rietveld, {M. T.} and F. Honary and T. Hagfors",
year = "2001",
month = aug,
language = "English",
pages = "7--10",
note = "28th Annual European Meeting on Atmospheric Studies by Optical Methods ; Conference date: 01-01-1900",

}

RIS

TY - CONF

T1 - High latitude artificial aurora from EISCAT: An unique phenomenon?

AU - Kosch, M. J.

AU - Rietveld, M. T.

AU - Honary, F.

AU - Hagfors, T.

PY - 2001/8

Y1 - 2001/8

N2 - The EISCAT HF-facility is capable of transmitting up to 210MW of effective radiated power into the ionosphere around 4 MHz. Beam swinging experiments have been undertaken with O- and X-mode transmissions. During O-mode pumping soon after sunset, F-region electrons were accelerated sufficiently to excite the oxygen atoms, resulting in observable optical emissions. It has been found that the O1D emission at 630 nm appears near the magnetic field aligned direction regardless of the HF transmitter beam pointing direction. This is not consistent with similar lower latitude observations. The strongest optical emission is produced when HF-pumping is approximately along the magnetic field line direction. This geometric phenomenon is presented for the first time and suggests that the magnetic field orientation is important for the mechanism of high-latitude artificial aurora. X-mode pumping does not produce an artificial aurora.

AB - The EISCAT HF-facility is capable of transmitting up to 210MW of effective radiated power into the ionosphere around 4 MHz. Beam swinging experiments have been undertaken with O- and X-mode transmissions. During O-mode pumping soon after sunset, F-region electrons were accelerated sufficiently to excite the oxygen atoms, resulting in observable optical emissions. It has been found that the O1D emission at 630 nm appears near the magnetic field aligned direction regardless of the HF transmitter beam pointing direction. This is not consistent with similar lower latitude observations. The strongest optical emission is produced when HF-pumping is approximately along the magnetic field line direction. This geometric phenomenon is presented for the first time and suggests that the magnetic field orientation is important for the mechanism of high-latitude artificial aurora. X-mode pumping does not produce an artificial aurora.

KW - heating DCS-publications-id

KW - inproc-287

KW - DCS-publications-credits

KW - dasi

KW - iono-fa

KW - DCS-publications-personnel-id

KW - 7

KW - 5

KW - 56

M3 - Other

SP - 7

EP - 10

T2 - 28th Annual European Meeting on Atmospheric Studies by Optical Methods

Y2 - 1 January 1900

ER -