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Especially due to the increasing environmental problems there is a need to collect as many data as possible in the upper atmosphere. This book serves as a general multidisciplinary guide and introduction for a more effective use of the large amount of now available data from the Earth's atmosphere. It also shows the problems of the use of large amounts of time series data - for basic science as well as for environmental monitoring - and the related information systems. The book is aimed for scientists and students interested in the Earth's atmosphere which is vital for the understanding of environmental changes in the global system Earth.
The temperature of the upper atmosphere, as observed by satellite-drag analysis, lags the maximum of the 27-day variation in solar decimeter flux by about 1 day. This time lag is now generally interpreted to be an atmospheric reaction time in response to the varying solar extreme ultraviolet (EUV) heating. The EUV flux has been observed from satellites to be closely proportional to the decimeter flux. A reexamination of Roemer's time-lag data from six satellites indicates that the apparent dependence on local time seen by Roemer is probably not significant in view of the large uncertainties. The present analysis examines the theoretical evidence for a 1.4-day time lag. This is accomplished by means of a simple analytic solution of the heat conduction equation in a suitably averaged atmospheric model. (Author).
Issue for Fiscal year 1954 accompanied by separately published section with title: Projects listed by agencies.