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Title: Solar magnetic flux influences on the dynamics of the winter middle atmosphere
Authors: Arnold, Nell F.
Robinson, Terry R.
First Published: 15-Jun-2001
Publisher: American Geophysical Union
Citation: Geophysical Research Letters, 2001, 28 (12), pp. 2381-2384
Abstract: A number of observational studies have reported a connection between various lower atmospheric parameters and a range of geomagnetic and solar coronal indices. The bulk of the Sun's magnetised plasma energy is absorbed in the high-latitude upper atmosphere, far removed from the troposphere and the stratosphere, so a physical mechanism which accounts for these correlations has proved elusive. In this paper, a mechanistic three-dimensional model of the atmosphere between 10 and 130 km has been developed to demonstrate that high energy particles from the solar wind can perturb the winter stratosphere significantly. Planetary waves provide an effective means of coupling solar-induced changes in the thermosphere down to the stratosphere. A qualitatively similar response to forcing by increasing solar ultraviolet radiation was obtained even though there was no in situ forcing in the stratosphere.
DOI Link: 10.1029/2000GL012825
ISSN: 0094-8276
eISSN: 1944-8007
Version: Publisher Version
Status: Peer-reviewed
Type: Article
Rights: Copyright © 2001, American Geophysical Union. Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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