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  • formaldehyde  (1)
  • Springer  (1)
  • 1995-1999  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Journal of atmospheric chemistry 22 (1995), S. 251-269 
    ISSN: 1573-0662
    Keywords: formaldehyde ; background troposphere ; concentration distribution ; aircraft ; sampling technique ; methane oxidation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract A series of 149 measurements of the HCHO mixing ratio were made between 0 and 10 km altitude and 70° N to 60° S latitude during TROPOZ II. The data show a vertical decrease of the HCHO mixing ratio with altitude at all latitudes and a broad latitudinal maximum in the HCHO mixing ratio between 30° N and 30° S at all altitudes. The measured mixing ratios of HCHO are considerably higher than those expected from CH4 oxidation alone, but agree broadly with the average latitude by altitude distribution of HCHO derived by a 2D model including emissions of C1–C7 hydrocarbons. A number of the regional scale deviations of the measured HCHO distribution from the average modelled one can be explained in terms of the local wind field.
    Type of Medium: Electronic Resource
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