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Hall & Cannon 2002
Hall, C.M. and Cannon, P.S. (2002). Trends in foF2 above Tromsø (69°N 19°E). Geophysical Research Letters 29: doi: 10.1029/2002GL016259. issn: 0094-8276.

Regular ionosonde observations from Troms¿ (69¿N 19¿E) date from 1935 and the dataset thus represents one of the longest in existence. Trends in the critical frequency of the ionospheric F2 layer are determined and found to be negative. Our results lend support to a causative mechanism which includes greenhouse cooling.

BACKGROUND DATA FILES

Abstract

Keywords
Ionosphere, Auroral ionosphere, Global Change, Atmosphere (0315, 0325), Radio Science, Ionospheric propagation
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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