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https://hdl.handle.net/2440/43598
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DC Field | Value | Language |
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dc.contributor.author | Reid, I. | - |
dc.contributor.author | Woithe, J. | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Advances in Space Research, 2007; 39(8):1237-1247 | - |
dc.identifier.issn | 0273-1177 | - |
dc.identifier.issn | 1879-1948 | - |
dc.identifier.uri | http://hdl.handle.net/2440/43598 | - |
dc.description | Copyright © 2007 Published by Elsevier Ltd. | - |
dc.description.abstract | The intensity of the OI 558 nm nightglow emission from heights near 97 km has been routinely measured since 1995 at Buckland Park (34.9°S, 138.6°E) near Adelaide, Australia. The intensity exhibits spring and autumn enhancements, bright nights and clear seasonal and inter-annual periodicities. Like many other mid-latitude observations, the autumn enhancement is greater than the spring enhancement. A Lomb periodogram analysis of the intensity indicates the presence of annual, semi-annual, and quasi-biennial oscillations. The annual and semi-annual oscillations have about equal intensity at this latitude, with amplitudes of between 17(±5)% and 14(±5)% of the mean intensity, respectively. This is consistent with Adelaide being a transitional latitude between a dominant semi-annual oscillation observed at low latitudes and the dominant annual oscillation observed at mid-latitudes. The annual oscillation is observed to peak in summer while the semi-annual oscillation takes maximum values near equinox. The quasi-biennial oscillation has a smaller amplitude at about 5(±1)% of the mean intensity and takes a maximum value near the autumnal equinox. There is evidence of a solar cycle dependence of the intensity, with nightglow intensity tracking the solar cycle. A harmonic fit to this period yields an amplitude of about 20(±15)% of the mean intensity, but naturally, this result needs to be treated with some caution, as there is only about one period present. | - |
dc.description.uri | http://www.elsevier.com/wps/find/journaldescription.cws_home/644/description#description | - |
dc.language.iso | en | - |
dc.publisher | Pergamon-Elsevier Science Ltd | - |
dc.source.uri | http://dx.doi.org/10.1016/j.asr.2007.01.061 | - |
dc.subject | Nightglow | - |
dc.subject | Intensity | - |
dc.subject | 558 nm | - |
dc.subject | Inter-annual | - |
dc.title | The variability of 558 nm OI nightglow intensity measured over Adelaide, Australia | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.asr.2007.01.061 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Reid, I. [0000-0003-2340-9047] | - |
Appears in Collections: | Aurora harvest Physics publications |
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