Modelling of composition changes during F-region storms: a reassessment

T. J. Fuller-Rowell; D. Rees; H. Rishbeth; A. G. Burns; T. L. Killeen; R. G. Roble

doi:10.1016/0021-9169(91)90081-H

Modelling of composition changes during F-region storms: a reassessment

T. J. Fuller-Rowell, D. Rees, H. Rishbeth, A. G. Burns, T. L. Killeen, R. G. Roble

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Abstract

A recalculation of the global changes of thermospheric gas composition, resulting from strong heat inputs in the auroral ovals, shows that (contrary to some previous suggestions) widespread increases of mean molecular mass are produced at mid-latitudes, in summer and at equinox. Decreases of mean molecular mass occur at mid-latitudes in winter. Similar results are given by both the 'UCL' and 'NCAR TIGCM' three-dimensional models. The computed composition changes now seem consistent with the local time and seasonal response observed by satellites, and can broadly account for 'negative storm effects' in the ionospheric F2-layer at mid-latitudes.

Original language	English (US)
Pages (from-to)	541-550
Number of pages	10
Journal	Journal of Atmospheric and Terrestrial Physics
Volume	53
Issue number	6-7
DOIs	https://doi.org/10.1016/0021-9169(91)90081-H
State	Published - 1991
Externally published	Yes

ASJC Scopus subject areas

General Environmental Science
Geophysics
General Engineering
Atmospheric Science
General Earth and Planetary Sciences

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10.1016/0021-9169(91)90081-H

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title = "Modelling of composition changes during F-region storms: a reassessment",

abstract = "A recalculation of the global changes of thermospheric gas composition, resulting from strong heat inputs in the auroral ovals, shows that (contrary to some previous suggestions) widespread increases of mean molecular mass are produced at mid-latitudes, in summer and at equinox. Decreases of mean molecular mass occur at mid-latitudes in winter. Similar results are given by both the 'UCL' and 'NCAR TIGCM' three-dimensional models. The computed composition changes now seem consistent with the local time and seasonal response observed by satellites, and can broadly account for 'negative storm effects' in the ionospheric F2-layer at mid-latitudes.",

author = "Fuller-Rowell, {T. J.} and D. Rees and H. Rishbeth and Burns, {A. G.} and Killeen, {T. L.} and Roble, {R. G.}",

note = "the SERC Cray XMP at the Rutherford Appleton Laboratory. The work at UCL and Southampton is supported by the U.K. Science and Engineering Research Council (grants GR/{\textquoteleft}E 58007 and GR/E 73956, respectivelyT).h e National Center for Atmospheric Research is sponsored by the U.S. National Science Foundation.",

year = "1991",

doi = "10.1016/0021-9169(91)90081-H",

language = "English (US)",

volume = "53",

pages = "541--550",

journal = "Journal of Atmospheric and Terrestrial Physics",

issn = "0021-9169",

publisher = "Elsevier Ltd",

number = "6-7",

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TY - JOUR

T1 - Modelling of composition changes during F-region storms

T2 - a reassessment

AU - Fuller-Rowell, T. J.

AU - Rees, D.

AU - Rishbeth, H.

AU - Burns, A. G.

AU - Killeen, T. L.

AU - Roble, R. G.

N1 - the SERC Cray XMP at the Rutherford Appleton Laboratory. The work at UCL and Southampton is supported by the U.K. Science and Engineering Research Council (grants GR/‘E 58007 and GR/E 73956, respectivelyT).h e National Center for Atmospheric Research is sponsored by the U.S. National Science Foundation.

PY - 1991

Y1 - 1991

N2 - A recalculation of the global changes of thermospheric gas composition, resulting from strong heat inputs in the auroral ovals, shows that (contrary to some previous suggestions) widespread increases of mean molecular mass are produced at mid-latitudes, in summer and at equinox. Decreases of mean molecular mass occur at mid-latitudes in winter. Similar results are given by both the 'UCL' and 'NCAR TIGCM' three-dimensional models. The computed composition changes now seem consistent with the local time and seasonal response observed by satellites, and can broadly account for 'negative storm effects' in the ionospheric F2-layer at mid-latitudes.

AB - A recalculation of the global changes of thermospheric gas composition, resulting from strong heat inputs in the auroral ovals, shows that (contrary to some previous suggestions) widespread increases of mean molecular mass are produced at mid-latitudes, in summer and at equinox. Decreases of mean molecular mass occur at mid-latitudes in winter. Similar results are given by both the 'UCL' and 'NCAR TIGCM' three-dimensional models. The computed composition changes now seem consistent with the local time and seasonal response observed by satellites, and can broadly account for 'negative storm effects' in the ionospheric F2-layer at mid-latitudes.

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JO - Journal of Atmospheric and Terrestrial Physics

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IS - 6-7

ER -

Modelling of composition changes during F-region storms: a reassessment

Abstract

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