Measurement of the stratospheric hydrogen peroxide concentration profile using far infrared thermal emission spectroscopy | Zendy

Chance K. V. | Zendy; Johnson D. G. | Zendy; Traub W. A. | Zendy; Jucks K. W. | Zendy

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Measurement of the stratospheric hydrogen peroxide concentration profile using far infrared thermal emission spectroscopy

Author(s) -

Chance K. V.,

Johnson D. G.,

Traub W. A.,

Jucks K. W.

Publication year - 1991

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 - 10.1029/91gl01224

Subject(s) - stratosphere , mixing ratio , spectroscopy , hydrogen peroxide , infrared , fourier transform spectroscopy , fourier transform infrared spectroscopy , infrared spectroscopy , far infrared , analytical chemistry (journal) , thermal emission , volume (thermodynamics) , materials science , thermal , physics , atmospheric sciences , optics , chemistry , meteorology , astronomy , organic chemistry , quantum mechanics , chromatography

We have made the first unequivocal measurement of hydrogen peroxide in the stratosphere, a concentration profile obtained from a balloon platform using Fourier transform thermal emission spectroscopy in the far infrared. Measurements were made using the 112 cm −1 R Q 5 branch of the rotational‐torsional spectrum, with some confirmation from the 94 cm −1 R Q 4 branch. The atmospheric spectra were obtained from a balloon flight on September 26–27, 1989, launched from Fort Sumner, NM.The volume mixing ratio of H 2 O 2 is 1.6 × l0 −10 at 38.4 km, decreasing to 0.6 × l0 −10 at 23.8km, with uncertainties of about 16% (1σ). Our measurements are compared to a recent stratospheric model calculation.

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