Spectroscopy
Contact: Brian Drouin
Summary
Spectroscopy provides the fundamental data that are required to interpret MLS measurements in terms of atmospheric constituent abundances and temperature. The spectroscopic data include frequecies, strengths, and widths of individual spectral lines, and other parameters (such as temperature dependencies) needed to calculate the signals measured by MLS.
The spectroscopy data are used in the MLS "forward model" that does the atmospheric radiative transfer calculation of MLS signals for a specified atmospheric "state". The forward model is, in turn, used in retrieval algorithms that produce an atmospheric "state" that optimally fits the MLS measurements.
Much of the spectroscopic data for MLS is produced by the JPL Molecular Spectroscopy group, who maintain a Submillimeter, Millimeter, and Microwave Spectral Line Catalog. The spectroscopy data are publicly available from the JPL Molecular Spectroscopy web site.
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Recent Results
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MLS-related spectroscopy publications
2004
- Drouin, B.J., "Temperature Dependent Pressure Induced Lineshape of the HCl J = 1 <- 0 Rotational Transition in Nitrogen and Oxygen", vol 83, num Issues 3-4, pgs. 321-331, 2004. Reprint Summary
- Drouin, B.J., J. Fischer, R.R. Gamache, "Temperature dependent pressure induced lineshape of O3 rotational transitions in air", vol 83, num Issue 1, pgs. 63-83, 2004. Reprint Summary
- Drouin, B.J., J.L. Fry, C.E. Miller, "Rotational Spectrum of cis-cis HOONO", vol 120, num Issue 12, pgs. 63-81, 2004. Reprint Summary
2003
- Yamada, M.M., M. Kobayashi, H. Habara, T. Amano, B.J. Drouin, "Submillimeter-wave Measurements of the Pressure Broadening of BrO", vol 82, num Issue 1-4, pgs. 391-399, 2003. Reprint Summary
2001
- Drouin, B.J., C.E. Miller, H S.P. Muller, E.A. Cohen, "The rotational spectra, isotopically independent parameters, and interatomic potentials for the X1 2Pi3/2 and X2 2Pi1/2 states of BrO", vol 205, pgs. 128-138, 2001. Reprint Summary
- Drouin, B.J., C.E. Miller, E.A. Cohen, G. Wagner, M. Birk, "Further investigations of the ClO rotational spectrum", vol 207, pgs. 4-9, 2001. Reprint
1999
- Pumphrey, H.C., S. Buehler, R.S. Harwood, "Instrumental and spectral parameters: their effect on and measurement by microwave limb sounding of the atmosphere", vol 64, pgs. 421-437, 1999. Reprint
1994
- Oh, J.J., E.A. Cohen, "Pressure broadening of ClO by N2 and O2 near 204 and 649 GHz and new frequency measurements between 632 and 725 GHz", vol 54, pgs. 151-156, 1994.
1993
- Shippony, Z., W.G. Read, "A very accurate algorithm for the Voigt profile", vol 50, pgs. 635-646, 1993.
1992
- Pickett, H.M., R.L. Poynter, E.A. Cohen, "Submillimeter, millimeter and microwave spectral line catalog", vol 80-23, 1992.
- Oh, J.J., E.A. Cohen, "Pressure broadening of ozone lines near 184 and 206 GHz by nitrogen and oxygen", vol 48, pgs. 405-408, 1992.
- Waters, J.W., "Submillimeter-Wavelength Heterodyne Sectroscopy and Remote Sensing of the Upper Atmosphere", vol 80, pgs. 1679-1701, 1992.
- Waters, J.W., "Submillimeter Heterodyne Spectroscopy and Remote Sensing of the Upper Atmosphere", 1992.
1991
- Waters, J.W., "Submillimeter heterodyne remote sensing of upper atmospheric gases", vol 4, pgs. 2-6, 1991.
1985
- Poynter, R.L., H.M. Pickett, "Submillimeter, millimeter, and microwave spectral line catalog", vol 24, pgs. 2235-2240, 1985.
1981
- Pickett, H.M., D.E. Brinza, E.A. Cohen, "Pressure broadening of ClO by nitrogen", vol 86, pgs. 7279-7282, 1981. Reprint
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