The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

www.uv-vis-spectral-atlas-mainz.org

Hannelore Keller-Rudek1, Geert K. Moortgat2, Rolf Sander2, Rüdiger Sörensen1

1Satellite Group

2Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany


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When referring to the Spectral Atlas, please cite our publication:

Keller-Rudek, H., Moortgat, G. K., Sander, R., and Sörensen, R.: The MPI-Mainz UV/VIS spectral atlas of gaseous molecules of atmospheric interest, Earth Syst. Sci. Data, 5, 365–373, (2013), DOI: 10.5194/essd-5-365-2013


Cross Sections / Alkanes+alkyl radicals / Alkanes / CH4 / Fink(1977)_297K_440-1036nm

DATAFILE: CH4_Fink(1977)_297K_440-1036nm.txt
NAME: methane
FORMULA: CH4
AUTHOR(YEAR): Fink(1977)
T: 297K
λ: 440-1036nm
BIBLIOGRAPHY: U. Fink, D.C. Benner, and K.A. Dick, "Band model analysis of laboratory methane absorption spectra from 4500 to 10500 Å", J. Quant. Spectrosc. Radiat. Transfer 18, 447-457 (1977); DOI: 10.1016/0022-4073(77)90077-2
COMMENTS: Absorption measurements using a one-meter Ebert-Fastie spectrophotometer, photomultiplier detectors with Ag-O-Ca photocathodes for the near IR, and tri-alkali photocathodes for the visible spectral region, and an argon-filled concentrated arc zirconium lamp as a light source

Absorption coefficients in km-1 amagat-1 (base e) listed at 1-nm intervals in Table I have been converted to absorption cross sections (conversion factor 3.72×10-25)

The data for the 440-480-nm region were derived from the equivalent widths and the shapes of the bands published by

B.L. Lutz, T. Owen and R.D. Cess, Laboratory band strengths of methane and their application to the atmospheres of Jupiter, Saturn, Uranus, Neptune, and Titan, Astrophys. J. 283 (1976) 541-551; DOI: 10.1086/154110

Description of the measurements by

K.A.Dick and U. Fink, Photoelectric absorption spectra of methane (CH4), methane and hydrogen (H2) mixtures, and ethane (C2H6), J. Quant. Spectrosc. Radiat. Transfer 18, 433-446 (1977); DOI: 10.1016/0022-4073(77)90076-0

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