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Abstrakty
The airglow hydroxyl temperature record from Longyearbyen, Svalbard, is updated with data from the last seven seasons (2005/20062011/2012). The temperatures are derived from ground-based spectral measurements of the hydroxyl airglow layer, which ranges from 76 to 90 km height. The overall daily average mesospheric temperature for the whole temperature record is 206 K. This is by 3 K less than what Dyrland and Sigernes (2007) reported in their last update on the temperature series. This temperature difference is due to cold winter seasons from 2008 to 2010. 2009/2010 was the coldest winter season ever recorded over Longyearbyen, with a seasonal average of 185 K. Temperature variability within the winter seasons is investigated, and the temperature difference between late December (local minimum) and late January (local maximum) is approximately 8 K.
Wydawca
Czasopismo
Rocznik
Tom
Strony
302--315
Opis fizyczny
Bibliogr. 43 poz.
Twórcy
autor
- The University Centre in Svalbard, Longyearbyen, Norway
autor
- Birkeland Centre for Space Science, Bergen, Norway
autor
- University of Tromsø – The Arctic University of Norway, Tromsø Geophysical Observatory, Tromsø, Norway
Bibliografia
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- Sigernes, F., N. Shumilov, C.S. Deehr, K.P. Nielsen, T. Svenøe, and O. Havnes (2003), Hydroxyl rotational temperature record from the auroral station in Adventdalen, Svalbard (78°N, 15°E), J. Geophys. Res. 108, A9, 1342, DOI: 10.1029/2001JA009023.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-e50e1537-6f30-4343-aad5-98621ce7ae46