The SEEK chemical release experiment: Observed neutral wind profile in a region of sporadic E

M. F. Larsen; S. Fukao; M. Yamamoto; R. Tsunoda; K. Igarashi; T. Ono

doi:10.1029/98gl00986

The SEEK chemical release experiment: Observed neutral wind profile in a region of sporadic E

M. F. Larsen, S. Fukao, M. Yamamoto, R. Tsunoda, K. Igarashi, T. Ono

SCI - Geophysics

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

68 Citations (Scopus)

Abstract

Wind measurements made with the chemical release technique during a sporadic E layer event are presented. The data were obtained as part of the Sporadic E Experiment over Kyushu (SEEK) sounding rocket campaign. The winds show a strong maximum in the lower E region approaching 150 m s^-1 near 105-km altitude and a large shear below the maximum. The large shear was within a few kilometers altitude of the peak in the electron densities measured on the downleg of the rocket trajectory. Calculations of the Richardson numbers for the wind profile show that the altitude range near the layer was highly unstable.

Original language	English
Pages (from-to)	1789-1792
Number of pages	4
Journal	Geophysical Research Letters
Volume	25
Issue number	10
DOIs	https://doi.org/10.1029/98gl00986
Publication status	Published - 1998 Jun 1

ASJC Scopus subject areas

Geophysics
Earth and Planetary Sciences(all)

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abstract = "Wind measurements made with the chemical release technique during a sporadic E layer event are presented. The data were obtained as part of the Sporadic E Experiment over Kyushu (SEEK) sounding rocket campaign. The winds show a strong maximum in the lower E region approaching 150 m s-1 near 105-km altitude and a large shear below the maximum. The large shear was within a few kilometers altitude of the peak in the electron densities measured on the downleg of the rocket trajectory. Calculations of the Richardson numbers for the wind profile show that the altitude range near the layer was highly unstable.",

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AU - Larsen, M. F.

AU - Fukao, S.

AU - Yamamoto, M.

AU - Tsunoda, R.

AU - Igarashi, K.

AU - Ono, T.

PY - 1998/6/1

Y1 - 1998/6/1

N2 - Wind measurements made with the chemical release technique during a sporadic E layer event are presented. The data were obtained as part of the Sporadic E Experiment over Kyushu (SEEK) sounding rocket campaign. The winds show a strong maximum in the lower E region approaching 150 m s-1 near 105-km altitude and a large shear below the maximum. The large shear was within a few kilometers altitude of the peak in the electron densities measured on the downleg of the rocket trajectory. Calculations of the Richardson numbers for the wind profile show that the altitude range near the layer was highly unstable.

AB - Wind measurements made with the chemical release technique during a sporadic E layer event are presented. The data were obtained as part of the Sporadic E Experiment over Kyushu (SEEK) sounding rocket campaign. The winds show a strong maximum in the lower E region approaching 150 m s-1 near 105-km altitude and a large shear below the maximum. The large shear was within a few kilometers altitude of the peak in the electron densities measured on the downleg of the rocket trajectory. Calculations of the Richardson numbers for the wind profile show that the altitude range near the layer was highly unstable.

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The SEEK chemical release experiment: Observed neutral wind profile in a region of sporadic E

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