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https://hdl.handle.net/2440/12541
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Type: | Journal article |
Title: | Collision frequencies in the D-region |
Author: | Vuthaluru, R. Vincent, R. Holdsworth, D. Reid, I. |
Citation: | Journal of Atmospheric and Solar: Terrestrial Physics, 2002; 64(18):2043-2054 |
Publisher: | Pergamon-Elsevier Science Ltd |
Issue Date: | 2002 |
ISSN: | 1364-6826 |
Statement of Responsibility: | R. Vuthaluru, R. A. Vincent, D. A. Holdsworth and I. M. Reid |
Abstract: | Partial reflection differential absorption and differential phase observations have been used to systematically study collision frequencies (ν) in D-region of the lower ionosphere. The observations made with the large MF radar located at Buckland Park (35°S, 138°E) near Adelaide in the period September 1996–December 2000 show ν values larger than predicted by previously used models. The new estimates are compared with values calculated using new collision frequency momentum cross-sections for N₂(σ) measured in the laboratory. The two types of measurements are found to be in good agreement, with a moderate seasonal variation of ν at a constant height. No change due to solar cycle variations is found. |
Keywords: | D-region Collision frequencies Collision Cross-sections Differential absorption Differential phase |
DOI: | 10.1016/S1364-6826(02)00220-1 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/211/description#description |
Published version: | http://dx.doi.org/10.1016/s1364-6826(02)00220-1 |
Appears in Collections: | Aurora harvest 2 Physics publications |
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