# Browse Abstracts & Presentations - 2014 International Symposium on Molecular Spectroscopy by Subject "Atmospheric science"

• (International Symposium on Molecular Spectroscopy, 2014-06-17)
An empirical line list has been constructed for “natural” water vapor at 296 K in the 5850 – 7920 \wn region. It was obtained by gathering separate line lists recently published on the basis of spectra recorded by high ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The optical frequency comb provided in the output of a femtosecond, mode-locked laser has been employed for many applications, including broadband spectroscopic measurements of trace gases using a variety of detection ...

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Microsoft PowerPoint 2007 (7MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
An estimated 10,000 to 100,000 different compounds have been measured in the atmosphere, each one undergoes many oxidation reactions that may or may not degrade air quality. To date, the fate of even some of the most ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The proliferation and increased abilities of remote sensing missions for the monitoring of planetary atmospheric gas species has spurred the need for complete and accurate spectroscopic reference standards. As a part of ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Rotationally resolved direct absorption spectra in the OH stretching mode were recorded using difference frequency generation infrared spectrometer and slit-jet supersonic discharge expansion source. The spectra are really ...

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Microsoft PowerPoint 2007 (31MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Fluorine- and chlorine-containing molecules in the atmosphere are very strong greenhouse gases, meaning that even small amounts of these gases contribute significantly to the radiative forcing of climate. Chlorofluorocarbons ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Several monoterpenes are biogenic volatile organic compounds (BVOCS) present in the atmosphere. They can react with \chem{OH}, \chem{O_3}, \chem{NO_x}, etc. to give rise to several oxydation and degradation products. We ...

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Microsoft PowerPoint 2007 (18MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Nearly 1000 line intensities of $^{16}$O$^{12}$C$^{17}$O between 4604 and 5126 \wn were measured using an isotopically-enriched mixture sample having 40 \% (determined by mass spectrometry). Spectra were recorded at ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Methacrolein, \chem{CH_2=C(CH_3)CHO} or MAC, is an important atmospheric molecule because it is a major product of the isoprene-OH reaction. Meanwhile the spectroscopic information on MAC is very scarse. \footnote{M. Suzuki ...

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Microsoft PowerPoint 2007 (27MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The isotopically invariant Dunham fit of O$_2$ was updated with newly reported literature transitions to derive (1) the energy levels, band-by-band molecular constants and RKR potentials for the $X^{3}\Sigma^{-}_{g}$, ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The oxygen A band is used for numerous atmospheric experiments, but spectral line parameters that sufficiently describe the spectrum to the level required by OCO2 and other high precision/accuracy experiments are lacking. ...

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• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Accurate modeling of atmospheric trace gases requires detailed knowledge of spectroscopic line parameters at temperatures and pressures relevant to the atmospheric layers where the spectroscopic signatures form. ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Due to its importance for atmospheric and astrophysical science, a spectroscopic investigation of the rotational spectrum of the singly deuterated water molecule (HDO) was performed, spanning a large frequency range: from ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Accurate knowledge of spectral line shape parameters is important for infrared transmission and radiance calculations in the terrestrial atmosphere. We report the self- and air-broadened Lorentz widths, shifts and ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
We performed rotational analyses of previously reported\footnote{R. Chhantyal-Pun and T. A. Miller, \textbf{TD03}, \textit{68$^{th}$ Molecular Spectroscopy Symposium}, Columbus, 2013} vibronic bands belonging to ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Since its discovery one century ago, a deep and unresolved controversy remains on the nature of the water vapor continuum. Several interpretations are proposed: accumulated effect of the distant wings of many individual ...

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Microsoft PowerPoint 2007 (13MB)