Noctilucent clouds observed from the UK and Denmark – trends and variations over 43 years

The combined UK/Denmark record of noctilucent cloud (NLC) observations over the period 1964–2006 is analysed. This data set is based on visual observations by professional and voluntary observers, with around 40 observers each year contributing reports. Evidence is found for a signific...

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Bibliographic Details
Main Authors: S. Kirkwood, P. Dalin, A. Réchou
Format: Article
Language:English
Published: Copernicus Publications 2008-05-01
Series:Annales Geophysicae
Online Access:https://www.ann-geophys.net/26/1243/2008/angeo-26-1243-2008.pdf