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 / Nitrogen oxides / N2O / RontuCarlon(2010)_350K_184.950-228.802nm

DATAFILE: N2O_RontuCarlon(2010)_350K_184.950-228.802nm.txt
NAME: nitrous oxide
FORMULA: N2O
AUTHOR(YEAR): RontuCarlon(2010)
T: 350K
λ: 184.950-228.802nm
BIBLIOGRAPHY: N. Rontu Carlon, D.K. Papanastasiou, E.L. Fleming, C.H. Jackman, P.A. Newman, and J.B. Burkholder, "UV absorption cross sections of nitrous oxide (N2O) and carbon tetrachloride (CCl4) between 210 and 350K and the atmospheric implications", Atmos. Chem. Phys. 10, 6137-6149 (2010); DOI: 10.5194/acp-10-6137-2010
COMMENTS: Single wavelength absorption cross sections for the atomic lines at 185 nm (Hg), 203, 206, 214 nm (Zn) and 229 nm (Cd) at temperatures between 210 and 350 K

The absorption cross sections decreased with decreasing temperature at each wavelength with the change in cross section being greater at longer wavelengths

Precision of the measurements at the 2σ (95% confidence) level

The N2O absorption cross section at 184.95 nm, which is commonly used in laboratory studies and instrument calibration, is given by the expression

σ(T) = 1.0033×10-19 + 6.1561×10-23 × T + 2.6583×10-25 × T2

with σ(298 K) = 1.4×10-19 cm2 molecule-1 at 184.95 nm and an absolute uncertainty of 2%

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