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Hydrogen peroxide in air during winter over the south‐central United States
Author(s) -
Van Valin C. C.,
Ray J. D.,
Boatman J. F.,
Gunter R. L.
Publication year - 1987
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl014i011p01146
Subject(s) - air mass (solar energy) , hydrogen peroxide , trace gas , atmospheric sciences , latitude , altitude (triangle) , environmental science , ozone , climatology , meteorology , chemistry , geology , geography , physics , geodesy , geometry , mathematics , organic chemistry , boundary layer , thermodynamics
Hydrogen peroxide and other atmospheric trace gases were measured along the 91°30′ meridian from near the Iowa border to the Gulf of Mexico during February 1987. The measured H 2 O 2 values were within the range of <0.1 to 1.0 ppbv and an increase in concentration from north to south of 0.04‐0.05 ppbv per degree of latitude was observed on five of six flights. The concentration of H 2 O 2 appeared to be primarily dependent upon air mass history; concentration discontinuities were observed when the aircraft flew across air mass boundaries. H 2 O 2 measurements during flights in air masses of similar histories during daylight and night showed no significant difference in concentration. Neither was there a consistent dependence of the H 2 O 2 concentration upon altitude.
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