The DOI matches its Crossref record.
Ionization frequencies for major thermospheric constituents as a function of solar cycle 21
Abstract
Increases in the solar ultraviolet flux (λ < 1250Å) over the past five years of rising solar activity have been larger than anticipated. This increase in UV flux dramatically affects the production of ionization of the various constituents in the thermosphere. In this paper we use measurements of the solar UV flux by the Atmosphere Explorer satellites to determine ionization frequencies for the major thermospheric species for various dates exhibiting notably different levels of solar activity. For the convenience of users of such dataa reduced set of cross section and flux data is presented for the wavelength range below 1027Åcomprising 37 wavelength intervals.
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Citations
Cited by
Zahnle, K. J. (1986) · Journal of Geophysical Research: Atmospheres · doi:10.1029/jd091id02p02819 · Cited by 276
Energetics of the Mesosphere and Thermosphere
Roble, R. G. (2013) · Geophysical Monograph Series · doi:10.1029/gm087p0001 · Cited by 253
Structure, luminosity, and dynamics of the Venus thermosphere
Fox, J. L., & Bougher, S. W. (1991) · Space Science Reviews · doi:10.1007/bf00177141 · Cited by 98
Metadata
- Authors
- Torr, M. R., Torr, D. G., Ong, R. A., & Hinteregger, H. E.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 1979-10
- Volume
- 6
- Issue
- 10
- Pages
- 771-774
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2012479771
- Cited by
- 349
- References
- 0
- FWCI
- 21.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Ionization frequencies for major thermospheric constituents as a function of solar cycle 21. https://app.cochat.ai/papers/10.1029/gl006i010p00771
- The paper
- Torr, M. R., Torr, D. G., Ong, R. A., & Hinteregger, H. E. (1979). Ionization frequencies for major thermospheric constituents as a function of solar cycle 21. Geophysical Research Letters. https://doi.org/10.1029/gl006i010p00771
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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