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  • 1980-1984  (3)
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Environmental science & technology 16 (1982), S. 607-609 
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Meteorology and atmospheric physics 33 (1983), S. 99-105 
    ISSN: 1436-5065
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung In dieser Arbeit wird die tägliche Summe der Globalstrahlung an wolkenlosen Tagen mit Hilfe von Transmissionsfaktoren als Funktion des Jahrestages und der Sichtweite bestimmt. Diese Faktoren wurden aus einer 20jährigen Meßreihe von Budapest durch numerische Integration berechnet. Die mittlere Differenz zwischen den berechneten und gemessenen täglichen Summen beträgt 6,9%. Es ergibt sich daraus, daß die Methode eine genügend genaue Formel zur Berechnung der Strahlung bei wolkenfreier Atmosphäre gibt.
    Notes: Summary In this investigation the daily amount of global radiation in cloudless days was determined using transmission factors which are function of the day of the year and the visibility. These parameters were obtained from measurements in a 20 years period in Budapest by numerical integration. The average difference between the calculated and measured daily sums was 6.9%. This fact indicates, that we have sufficiently correct method for calculation of clear-sky irradiance.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 119 (1980), S. 703-710 
    ISSN: 1420-9136
    Keywords: Electron density ; Upper atmospheric air density ; Geomagnetic disturbance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The variations of the upper atmosphere air density during geomagnetic disturbances have been investigated by many authors. According to the analysis of satellite orbits, in most cases an increase in the air density may be observed when the indexA phas a maximum. Having ionospheric data from stations in Europe, Asia and Australia we might be able to study the global behaviour of the electron density in theF 2 region during such geomagnetic disturbances when an increase of the air density had been observed. In these cases we found, that at the peak of the ionospheric layer, the electron density decreased 0–3 days later than theA pmaximum.
    Type of Medium: Electronic Resource
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