Publications making use of MkIV data or analysis software

Krysztofiak, G.; Catoire, V.; Dudok de Wit, T.; Kinnison, D.E.; Ravishankara, A.R.; Brocchi, V.; Atlas, E.; Bozem, H.; Commane, R.; D'Amato, F.; et al. N2O Temporal Variability from the Middle Troposphere to the Middle Stratosphere Based on Airborne and Balloon-Borne Observations during the Period 1987-2018. Atmosphere 2023, 14, 585. https://doi.org/10.3390/atmos14030585

A. Perrin, L. Manceron, R. Armante, F. Kwabia-Tchana, P. Roy, G.C. Toon, Part 2:Validation for line lists generated for nitric acid (H14N16O3) for the v1 band and its first two associated hot bands (v1+v9-v9, v1+v7-v7) in the 2.8 um region, the v1-v9, v1+v9 and v1+v7 bands at 3.2 um, 2.5 um and 2.4 um, respectively, Journal of Molecular Spectroscopy, Volume 392, 2023, https://doi.org/10.1016/j.jms.2023.111740.

A. Perrin, L. Manceron, R. Armante, F. Kwabia-Tchana, P. Roy, G.C. Toon, First investigation of the v1, v1-v9, v1+v9, and v1+v7 absorption bands of nitric acid (1H14N16O3) at 3551.766 cm-1, 3092.708 cm-1, 4006.974 cm-1, and 4127.782 cm-1, respectively, Journal of Molecular Spectroscopy, Volume 392, 2023, https://doi.org/10.1016/j.jms.2023.111741.

Brendan L. Steffens, Keeyoon Sung, Michael J. Malaska, Rosaly M.C. Lopes, Geoffrey C. Toon, Conor A. Nixon, Mid-infrared cross-sections and pseudoline parameters for trans-2-butene (2-C4H8), Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 310, 2023, https://doi.org/10.1016/j.jqsrt.2023.108730.

I.E. Gordon, L.S. Rothman, et al., The HITRAN2020 molecular spectroscopic database, JQSRT, 277, 2022, 107949, ISSN 0022-4073, https://doi.org/10.1016/j.jqsrt.2021.107949.

Xinchuan Huang, Keeyoon Sung, Geoffrey C. Toon, David W. Schwenke, Timothy J. Lee, A collaborative 14NH3 IR spectroscopic analysis at 6000 cm-1, Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 280, 2022, https://doi.org/10.1016/j.jqsrt.2022.108076.

Toon, G. C., Blavier, J.-F. L., Sung, K., Yu K. Spectrometric Measurements of Atmospheric Propane, Atmos. Chem. Phys., 21, 10727-10743, 2021 https://doi.org/10.5194/acp-21-10727-2021

Takeda, M., Nakajima, H., Murata, I., Nagahama, T., Morino, I., Toon, G.C., Weiss, R.F., Mühle, J., Krummel, P.B., Fraser, P.J. and Wang, H.J., 2021. First ground-based Fourier transform infrared (FTIR) spectrometer observations of HFC-23 at Rikubetsu, Japan, and Syowa Station, Antarctica. Atmospheric Measurement Techniques, 14(9), pp.5955-5976.

E.V. Karlovets, I.E. Gordon, L.S. Rothman, R. Hashemi, R.J. Hargreaves, G.C. Toon, A. Campargue, V.I. Perevalov, P. Cermak, M. Birk, G. Wagner, J.T. Hodges, J. Tennyson, S.N. Yurchenko, The update of the line positions and intensities in the line list of carbon dioxide for the HITRAN2020 spectroscopic database, Journal of Quantitative Spectroscopy and Radiative Transfer, 276, 2021, 107896, ISSN 0022-4073, https://doi.org/10.1016/j.jqsrt.2021.107896.

The 5.8um absorption bands for nitric acid (H14N16O3): line positions and intensities for the v2 band at 1709.567 cm-1 and for its first associated hot bands (v2+v9-v9, v2+v7-v7, v2+v6-v6), A. Perrin, L. Manceron, R. Armante, F. Kwabia-Tchana, P. Roy, D. Doizi, G.C.Toon, Article: e1998931 | Received 28 Jul 2021, Accepted 20 Oct 2021, Published online: 13 Nov 2021 https://doi.org/10.1080/00268976.2021.1998931

Jacob K. Hedelius, Geoffrey C. Toon, Laura T. Iraci, James R. Podolske, Coleen M. Roehl, Paul O. Wennberg, Helen M. Worden, and Debra Wunch, Regional scale trends in column CO dominate over most urban scale trends over 16 years, JGR, 126, 2021 https://doi.org/10.1029/2020JD033967

Keeyoon Sung, Brendan Steffens, Geoffrey C. Toon, Deacon J. Nemchick, Mary Ann H. Smith, Pseudoline parameters to represent n-butane (n-C4H10) cross-sections measured in the 7-15 µm region for the Titan atmosphere, Journal of Quantitative Spectroscopy and Radiative Transfer, 251, 2020, 107011, https://doi.org/10.1016/j.jqsrt.2020.107011.

Mahdi Yousefi, Peter F Bernath, Chris D Boone, Geoffrey C Toon, Global measurements of atmospheric carbonyl sulfide (OCS), OC³⁴S and O¹³CS, Journal of Quantitative Spectroscopy and Radiative Transfer, 238, 2019, 106554, https://doi.org/10.1016/j.jqsrt.2019.06.033.

Prignon, M.; Chabrillat, S.; Minganti, D.; O'Doherty, S.; Servais, C.; Stiller, G.; Toon, G.C.; Vollmer, M.K.; Mahieu, E. (2019). Improved FTIR retrieval strategy for HCFC-22 (CHClF₂), comparisons with in situ and satellite datasets with the support of models, and determination of its long-term trend above Jungfraujoch, Atmospheric Chemistry and Physics, Vol. 19, Issue 19, 12309-12324, DOI: 10.5194/acp-19-12309-2019.

K.S. Olsen, C.D. Boone, G.C. Toon, F. Montmessin, A.A. Fedorova, O. Korablev, A. Trokhimovskiy, Validation of the HITRAN 2016 and GEISA 2015 line lists using ACE-FTS solar occultation observations, Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 236, 2019

Zeng, Z.-C., Natraj, V., Xu, F., Pongetti, T. J., Shia, R.-L., Kort, E. A., et al. (2018). Constraining aerosol vertical profile in the boundary layer using hyperspectral measurements of oxygen absorption. Geophysical Research Letters, 45, 10,772-10,780. https://doi.org/10.1029/2018GL079286

Vigouroux, C., Bauer Aquino, C. A., Bauwens, M., Becker, C., Blumenstock, T., De Maziere, M., Garcia, O., Grutter, M., Guarin, C., Hannigan, J., Hase, F., Jones, N., Kivi, R., Koshelev, D., Langerock, B., Lutsch, E., Makarova, M., Metzger, J.-M., Muller, J.-F., Notholt, J., Ortega, I., Palm, M., Paton-Walsh, C., Poberovskii, A., Rettinger, M., Robinson, J., Smale, D., Stavrakou, T., Stremme, W., Strong, K., Sussmann, R., Te, Y., and Toon, G.: NDACC harmonized formaldehyde time series from 21 FTIR stations covering a wide range of column abundances, Atmos. Meas. Tech., 11, 5049-5073, https://doi.org/10.5194/amt-11-5049-2018, 2018.

Keeyoon Sung, Geoffrey C. Toon, Brian J. Drouin, Arlan W. Mantz, Mary Ann H. Smith, FT-IR measurements of cold propene (C3H6) cross-sections at temperatures between 150 and 299 K, Journal of Quantitative Spectroscopy and Radiative Transfer, 213, 2018, 119-132, https://doi.org/10.1016/j.jqsrt.2018.03.011.

A.V.Nikitin, X.Thomas, L.Daumont, M.Rey, K.Sung, G.C.Toon, M.A.H.Smith, A.W.Mantz, A.E.Protasevich, S.A.Tashkuna, Vl.G.Tyuterev, Assignment and modelling of 12CH4 spectra in the 5550-5695, 5718-5725 and 5792-5814 cm-1 regions, Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 219, Pages 323-332, 2018 https://doi.org/10.1016/j.jqsrt.2018.08.006

J.-M. Hartmann, R. Armante, G. C. Toon, N. Scott, H. Tran, C. Crevoisier, A. Chédin V. Capelle, Indirect Influence of Humidity on Atmospheric Spectra Near 4 μ, Geophysical Research Letters, Volume 45, Issue 22, 2018 https://doi.org/10.1029/2018GL079582

Hartmann, Jean-Michel, Ha Tran, Raymond Armante, Christian Boulet, Alain Campargue, Francois Forget, Livio Gianfrani, Iouli Gordon, Sandrine Guerlet, Magnus Gustafsson, Joseph T. Hodges, Samir Kassi, Daniel Lisak, Franck Thibault, Geoffrey C. Toon, Recent advances in collisional effects on spectra of molecular gases and their practical consequences, Journal of Quantitative Spectroscopy and Radiative Transfer, 213, 2018, 178-227

Toon, G. C., Blavier, J.-F. L., and Sung, K.: Atmospheric carbonyl sulfide (OCS) measured remotely by FTIR solar absorption spectrometry, Atmos. Chem. Phys., 18, 1923-1944, https://doi.org/10.5194/acp-18-1923-2018, 2018

Emmanuel Mahieu, Emily V. Fischer, Zitely A. Tzompa-Sosa, Bruno Franco, Maxime Prignon, Christian Servais, James W. Hannigan, Ivan Ortega, Mathias Palm, Justus Notholt, and Geoffrey C. Toon, Attempting to retrieve peroxyacetyl nitrate from ground-based infrared solar spectra Geophysical Research Abstracts Vol. 20, EGU2018-8001-1, 2018 EGU General Assembly 2018

Toon, G. C., Blavier, J.-F., Sung, K., Measurements of atmospheric ethene by solar absorption FTIR spectrometry, Atmos. Chem. Phys., 18 5075-5088, 2018, https://doi.org/10.5194/acp-18-5075-2018

A.V. Nikitin, Y.A. Ivanova, M. Rey, S.A. Tashkun, G.C. Toon, K. Sung, Vl.G. Tyuterev, Analysis of PH3 spectra in the Octad range 2733–3660cm−1, Journal of Quantitative Spectroscopy and Radiative Transfer, 203, 2017, 472-479, https://doi.org/10.1016/j.jqsrt.2017.04.032

A.V. Nikitin, X. Thomas, L. Daumont, M. Rey, K. Sung, G.C. Toon, M.A.H. Smith, A.W. Mantz, S.A. Tashkun, Vl.G. Tyuterev, Measurements and modeling of long-path 12CH4 spectra in the 5300-5550 cm^-1 region, Journal of Quantitative Spectroscopy and Radiative Transfer, 202, 2017, 255-264, https://doi.org/10.1016/j.jqsrt.2017.07.030.

Dammers, E., Shephard, M., Palm, M., Cady-Pereira, K., Capps, S., Lutsch, E., Strong, K., Hannigan, J. W., Ortega, I., Toon, G. C., Stremme, W., Grutter, M., Jones, N., Smale, D., Siemons, J., Hrpcek, K., Tremblay, D., Schaap, M., Notholt, J. & Erisman, J. Willem. (2017). Validation of the CrIS fast physical NH3 retrieval with ground-based FTIR. Atmospheric Measurement Techniques, 10 (7), 2645-2667.

Mahieu, Emmanuel, Bernard Lejeune, Benoit Bovy, Christian Servais, Geoffrey C. Toon, Peter F. Bernath, Christopher D. Boone, Kaley A. Walker, Stefan Reiman, Martin K. Vollmer, Simon O'Doherty, Retrieval of HCFC-142b (CH3CClF2) from ground-based high-resolution infrared solar spectra: Atmospheric increase since 1989 and comparison with surface and satellite measurements, Journal of Quantitative Spectroscopy and Radiative Transfer, 186, 2017, 96-105

Hartmann, J.-M., C. Boulet and G. C. Toon, Collision-induced absorption by N2 near 2.16 um: Calculations, model and consequences for atmospheric remote sensing Journal of Geophysical Research: Atmospheres, 122, 2017 https://doi.org/10.1002/2016JD025677

I.E. Gordon, L.S. Rothman, C. Hill et al., The HITRAN2016 Molecular Spectroscopic Database, J. Quant. Spectrosc. Radiat. Transfer 203, 3-69 (2017)

Minqiang Zhou, Corinne Vigouroux, Bavo Langerock, Pucai Wang, Geoff Dutton, Christian Hermans, Nicolas Kumps, Jean-Marc Metzger, Geoff Toon, and Martine De Maziere, CFC-11, CFC-12 and HCFC-22 ground-based remote sensing FTIR measurements at Reunion Island and comparisons with MIPAS/ENVISAT data, Atmos. Meas. Tech., 9, 5621-5636, 2016 www.atmos-meas-tech.net/9/5621/2016/doi:10.5194/amt-9-5621-2016

Toon, G.C., J.-F. Blavier, K. Sung, L.S. Rothman, I. Gordon, HITRAN spectroscopy evaluation using solar occultation FTIR spectra, J. Quant. Spectrosc Radiat Transfer (2016), https://dx.doi.org/10.1016.j,jqsrt.2016.05.21

Wunch, D., Toon, G. C., Hedelius, J., Vizenor, N., Roehl, C. M., Saad, K. M., Blavier, J.-F. L., Blake, D. R., and Wennberg, P. O.: Quantifying the Loss of Processed Natural Gas Within California's South Coast Air Basin Using Long-term Measurements of Ethane and Methane, Atmos. Chem. Phys. 16, 14091-14105, https://doi.org/10.5194/acp-16-14091-2016, 2016.

Chirkov, M., Stiller, G. P., Laeng, A., Kellmann, S., von Clarmann, T., Boone, C. D., Elkins, J. W., Engel, A., Glatthor, N., Grabowski, U., Harth, C. M., Kiefer, M., Kolonjari, F., Krummel, P. B., Linden, A., Lunder, C. R., Miller, B. R., Montzka, S. A., Muhle, J., O'Doherty, S., Orphal, J., Prinn, R. G., Toon, G., Vollmer, M. K., Walker, K. A., Weiss, R. F., Wiegele, A., and Young, D.: Global HCFC-22 measurements with MIPAS: retrieval, validation, global distribution and its evolution over 2005-2012, Atmos. Chem. Phys., 16, 3345-3368, doi:10.5194/acp-16-3345-2016, 2016.

Mahieu, Emmanuel, Bernard Lejeune, Benoit Bovy, Christian Servais, Geoffrey Toon, Peter Bernath, Chris Boone, Kaley Walker, Stefan Reimann, Martin Vollmer, Simon O'Doherty, Retrieval of HCFC-142b (CH3CClF2) from ground-based high-resolution infrared solar spectra: atmospheric increase since 1989 and comparison with surface and satellite measurements, JQSRT, 2016, doi.10.1016/j.jqsrt.2016.03.017

Olsen, K. S., Toon, G. C., Boone, C. D., and Strong, K.: New temperature and pressure retrieval algorithm for high-resolution infrared solar occultation spectroscopy: analysis and validation against ACE-FTS and COSMIC, Atmos. Meas. Tech., 9, 1063-1082, doi:10.5194/amt-9-1063-2016, 2016.

Dammers, E., Palm, M., Van Damme, M., Vigouroux, C., Smale, D., Conway, S., Toon, G. C., Jones, N., Nussbaumer, E., Warneke, T., Petri, C., Clarisse, L., Clerbaux, C., Hermans, C., Lutsch, E., Strong, K., Hannigan, J. W., Nakajima, H., Morino, I., Herrera, B., Stremme, W., Grutter, M., Schaap, M., Wichink Kruit, R. J., Notholt, J., Coheur, P.-F., and Erisman, J. W.: An evaluation of IASI-NH3 with ground-based Fourier transform infrared spectroscopy measurements, Atmos. Chem. Phys., 16, 10351-10368, https://doi.org/10.5194/acp-16-10351-2016, 2016.

Franco, B., W. Bader, G.C. Toon, C. Bray, A. Perrin, E.V. Fischer, K. Sudo, C.D. Boone, B. Bovy, B. Lejeune, C. Servais, E. Mahieu, Retrieval of ethane from ground-based FTIR solar spectra using improved spectroscopy: Recent burden increase above Jungfraujoch, Journal of Quantitative Spectroscopy and Radiative Transfer, 160, 2015, 36-49

Perrin, Agnes; Toon, Geoffrey; Orphal, Johannes Detection of atmospheric (NO2)-N-15 in the nu(3) spectral region (6.3 mu m) JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 154, 91-97, 2015

A. Laeng, J. Plieninger, T. von Clarmann, U. Grabowski, G. Stiller, E. Eckert, N. Glatthor, F. Haenel, S. Kellmann, M. Kiefer, A. Linden, S. Lossow, L. Deaver, A. Engel, M. Hervig, I. Levin, M. McHugh, S. Noël, G. Toon, and K. Waler, Validation of MIPAS IMK/IAA methane profiles, Atmos. Meas. Tech. Discuss., 8, 5565-5590, 2015, www.atmos-meas-tech-discuss.net/8/5565/2015/doi:10.5194/amtd-8-5565-2015

A. Laeng, U. Grabowski, T. von Clarmann, G. Stiller, N. Glatthor, M. Hopfner, S. Kellmann, M. Kiefer, A. Linden, S. Lossow, V. Sofieva, I. Petropavlovskikh, D. Hubert, T. Bathgate, P. Bernath, C. D. Boone, C. Clerbaux, P. Coheur, R. Damadeo, D. Degenstein, S. Frith, L. Froidevaux, J. Gille, K. Hoppel, M. McHugh, Y. Kasai, J. Lumpe, N. Rapoe, G. Toon, T. Sano, M. Suzuki, J. Tamminen, J. Urban, K. Walker, M. Weber, and J. Zawodny, Validation of MIPAS IMK/IAA V5R_O3_224 ozone profiles, Atmos. Meas. Tech., 7, 3971-3987, 2014 www.atmos-meas-tech.net/7/3971/2014/doi:10.5194/amt-7-3971-2014

Kleinboehl, A., M. Khosravi, J. Urban, T. Canty, R. J. Salawitch, G. C. Toon, H. Kullmann, and J. Notholt (2014), Constraints for the photolysis rate and the equilibrium constant of ClO-dimer from airborne and balloon-borne measurements of chlorine compounds, J. Geophys. Res. Atmos., 119, 6916-6937, doi:10.1002/2013JD021433.

Gisele Krysztofiak, Yao Veng Te, Valery Catoire, Gwenael Berthet, Geoffrey C. Toon, Fabrice Jegou, Pascal Jeseck & Claude Robert, Carbonyl Sulphide (OCS) Variability with Latitude in the Atmosphere, DOI: 10.1080/07055900.2013.876609, ATMOSPHERE-OCEAN, 53, 89-101, 2015

D. Fu, T. J. Pongetti, J.-F. L. Blavier, T. J. Crawford, K. S. Manatt, G. C. Toon, K. W. Wong, and S. P. Sander, Near-infrared remote sensing of Los Angeles trace gas distributions from a mountaintop site, Atmos. Meas. Tech. Discuss., 6, 8807-8854, 2013 doi:10.5194/amtd-6-8807-2013

E. Mahieu, R. Zander, G.C. Toon, M. K. Vollmer, S. Reimann, J. Muhle, W. Bader, B. Bovy, B. Lejeune, C. Servais, P. Demoulin, G. Roland, P.F. Bernath, C.D. Boone, K.A. Walker, and P. Duchatelet, Spectrometric monitoring of atmospheric carbon tetrafluoride (CF4) above the Jungfraujoch station since 1989: evidence of its continued increase but at a slowing rate, Atmos. Meas. Tech., 7, 333-344, 2014, doi:10.5194/amt-7-333-2014

Keeyoon Sung, Geoffrey C. Toon, Arlan W. Mantz, Mary Ann H. Smith, FT-IR measurements of cold C3H8 cross sections at 7-15 um for Titan atmosphere, Icarus, 226, 2013, Pages 1499-1513

L.S. Rothman, I.E. Gordon, ...... G.C. Toon, Vl.G. Tyuterev, G. Wagner, The HITRAN2012 molecular spectroscopic database, Journal of Quantitative Spectroscopy & Radiative Transfer, 130, 4-50, 2013

Stiller, GP, Kiefer, M, Eckert R, von Clarmann T, Kellman S, …Toon G, et al., Validation of MIPAS IMK/IAA temperature, water vapor, and ozone profiles with MOHAVE-2009 campaign measurements, ATMOSPHERIC MEASUREMENT TECHNIQUES, 5, 289-320, 10.5194/amt-5-289-2012, 2012

Harrison, J. J., C. D. Boone, A. T. Brown, N. D. C. Allen, G. C. Toon, and P. F. Bernath (2012), First remote sensing observations of trifluoromethane (HFC-23) in the upper troposphere and lower stratosphere, J. Geophys. Res., 117, D05308, doi:10.1029/2011JD016423, 2012

Abad, G., Allen, N. D. C., Bernath, P. F., Boone, C. D., McLeod, S. D., Manney, G. L., Toon, G. C., Carouge, C., Wang, Y., Wu, S., Barkley, M. P., Palmer, P. I., Xiao, Y., and Fu, T. M., Ethane, ethyne and carbon monoxide concentrations in the upper troposphere and lower stratosphere from ACE and GEOS-Chem: a comparison study, Atmos. Chem. Phys., 11, 9927-9941, doi:10.5194/acp-11-9927-2011, 2011.

Leblanc, T. D. Walsh, I. S. McDermid, G. C. Toon, J.-F. Blavier, et al., Measurements of Humidity in the Atmosphere and Validation Experiments (MOHAVE)-2009: overview of campaign operations and results, Atmos. Meas. Tech. Discuss., 4, 3277-3336, 2011

Mahieu, E., Harrison, Bernath, Toon, et al, First retrievals of methyl chloride from ground-based high-resolution FTIR solar observations, EGU 2011

Iouli E. Gordon, Laurence S. Rothman, Geoffrey C. Toon, Revision of spectral parameters for the B- and g-bands of oxygen and their validation against atmospheric spectra, Journal of Quantitative Spectroscopy & Radiative Transfer, 2011

Paulot F.; Wunch D.; Crounse J. D.; Toon G. C.; et al., Importance of secondary sources in the atmospheric budgets of formic and acetic acids, ATMOSPHERIC CHEMISTRY AND PHYSICS, 11, 1989-2013, DOI: 10.5194/acp-11-1989-2011, 2011

Agnes Perrin, Jean Demaison and Geoffrey Toon, The v1, v2, and v3 bands of carbonyl chlorofluoride (COFCl) at 5.3, 9.1, and 13.1 µm: position and intensity parameters and their use for atmospheric studies, Journal of Quantitative Spectroscopy and Radiative Transfer, 112, 1266-1279, 2011

Voltaire A. Velazco, Geoffrey C. Toon, Jean-Francois L. Blavier, Armin Kleinbohl, Gloria L. Manney, William H. Daffer, Peter F. Bernath, Kaley A. Walker, and Chris Boone, Validation of the Atmospheric Chemistry Experiment by noncoincident MkIV balloon profiles, JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 116, D06306, doi:10.1029/2010JD014928, 2011

M. Schneider, G. C. Toon, J.-F. Blavier, F. Hase, and T. Leblanc, H2O and delta D profiles remotely-sensed from ground in different spectral infrared regions, ATMOSPHERIC MEASUREMENT TECHNIQUES, 3, 1599-1613, DOI: 10.5194/amt-3-1599-2010

M. Schneider, F. Hase, J.-F. Blavier, G.C. Toon, T. Leblanc, An empirical study on the importance of a speed-dependent Voigt line shape model for tropospheric water vapor profile remote sensing, JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 112, 465-474, 2011

Gordon, I., S. Kassi, A. Campargue, G. C. Toon, First identification of the a1 g-X3?-g electric quadrupole transitions of oxygen in solar and laboratory spectra, JQSRT (2010), doi:10.1016/j.jqsrt.2010.01.008

Notholt J, Toon GC, Fueglistaler S, et al., Trend in ice moistening the stratosphere - constraints from isotope data of water and methane, ATMOSPHERIC CHEMISTRY AND PHYSICS, 10, 201-207, 2010

Wunch, D Wennberg, PO Toon, GC Keppel-Aleks, G and Yavin, YG, Emissions of greenhouse gases from a North American megacity, GEOPHYSICAL RESEARCH LETTERS, 10.1029/2009GL039825, 2009

Allen, NDC Bernath, PF Boone, CD Chipperfield, MP Fu, D Manney, GL Oram, DE Toon, GC Weisenstein, DK Global carbon tetrachloride distributions obtained from the Atmospheric Chemistry Experiment (ACE), ATMOSPHERIC CHEMISTRY AND PHYS-ICS, 7449-7459, 2009

Hartmann, J.-M., Tran, H., and Toon, G. C. Influence of line mixing on the retrievals of atmospheric CO2 from spectra in the 1.6 and 2.1 um regions, ACP, 9, 7303-7312, 2009

Abad, AF, G. Gonzalez, Bernath, P. F Boone, C. D. McLeod, S. D. Manney, G. L. Toon, G. C., Global distribution of upper tropospheric formic acid from the ACE-FTS, ACP, 9, 8039-8047, 2009

Popp, P.J., T.P. Marcy, R.S. Gao, L.A. Watts, D .W. Fahey, E.C. Richard, S.J. Oltmans, M.L. Santee, N.J. Livesey, L. Froidevaux, B. Sen, G.C. Toon, K.A. Walker, C.D. Boone, P.F. Bernath, The stratospheric correlation between nitric acid and ozone, JGR 10.1029/2008JD010875, 2009

Wilson, J.C., S.-H. Lee, J. M. Reeves, C. A. Brock, H. H. Jonsson, B. G. Lafleur, M. Loewens-tein, J. Podolske, E. Atlas, K. Boering, G. Toon, D. Fahey, T. P. Bui, G. Diskin, and F. Moore, Steady-state aerosol distributions in the extra-tropical, lower stratosphere and the processes that maintain them, Atmos. Chem. Phys., 8, 6617-6626, 2008

Mahieu E, Duchatelet P, Demoulin P, K. A. Walker, E. Dupuy, L. Froidevaux, C. Randall, V. Catoire, K. Strong, C. D. Boone, P. F. Bernath, J.-F. Blavier, T. Blumenstock, M. Coffey, M. De Mazière, D. Griffith, J. Hannigan, F. Hase, N. Jones, K. W. Jucks, A. Kagawa, Y. Kasai, Y. Mebarki, S. Mikuteit, R. Nassar, J. Notholt, C. P. Rinsland, C. Robert, O. Schrems, C. Senten, D. Smale, J. Taylor, C. Tétard, G. C. Toon, T. Warneke, S. W. Wood, R. Zander, and C. Servai, Validation of ACE-FTS v2.2 measurements of HCl, HF, CCl3F and CCl2F2 using space-, balloon- and ground-based instrument observations, ATMOSPHERIC CHEMISTRY AND PHYSICS, 8, 6199-6221, 2008

Santee, M.L., A. Lambert, W.G. Read, N.J. Livesey, G.L. Manney, R.E. Cofield, D.T. Cuddy, W.H. Daffer, B.J. Drouin, L. Froidevaux, R.A. Fuller, R.F. Jarnot, B.W. Knosp, V.S. Perun, W.V. Snyder, P.C. Stek, R.P. Thurstans, P.A. Wagner, J.W. Waters, B. Connor, J. Urban, D. Murtagh, P. Ricaud, B. Barrett, A. Kleinboehl, J. Kuttippurath, H. Kullmann, M. von Hobe, G.C. Toon, and R.A. Stachnik, "Validation of the Aura Microwave Limb Sounder ClO Measurements," J. Geophys. Res. 113, D15S22, doi:10.1029/2007JD008762, 2008.

Froidevaux, L., Y.B. Jiang, A. Lambert, N.J. Livesey, W.G. Read, J.W. Waters, R.A. Fuller, T.P. Marcy, P.J. Popp, R.S. Gao, D.W. Fahey, K.W. Jucks, R.A. Stachnik, G.C. Toon, L.E. Christensen, C.R. Webster, P.F. Bernath, C.D. Boone, K.A. Walker, H.C. Pumphrey, R.S. Harwood, G.L. Manney, M.J. Schwartz, W.H. Daffer, B.J. Drouin, R.E. Cofield, D.T. Cuddy, R.F. Jarnot, B.W. Knosp, V.S. Perun, W.V. Snyder, P.C. Stek, R.P. Thurstans, and P.A. Wagner, "Validation of Aura Microwave Limb Sounder HCl measurements," J. Geophys. Res. 113, D15S25, doi:10.1029/2007JD009025, 2008.

Froidevaux, L., Y.B. Jiang, A. Lambert, N.J. Livesey, W.G. Read, J.W. Waters, E.V. Browell, J.W. Hair, M.A. Avery, T.J. McGee, L.W. Twigg, G.K. Sumnicht, K.W. Jucks, J.J. Margitan, B. Sen, R.A. Stachnik, G.C. Toon, P.F. Bernath, C.D. Boone, K.A. Walker, M.J. Filipiak, R.S. Harwood, R.A. Fuller, G.L. Manney, M.J. Schwartz, W.H. Daffer, B.J. Drouin, R.E. Cofield, D.T. Cuddy, R.F. Jarnot, B.W. Knosp, V.S. Perun, W.V. Snyder, P.C. Stek, R.P. Thurstans, and P.A. Wagner, "Validation of Aura Microwave Limb Sounder stratospheric ozone measurements," J. Geophys. Res. 113, D15S20, doi:10.1029/2007JD008771, 2008.

Bekker Dmitriy, Jean-Francois L. Blavier, Geoffrey C. Toon, Christian Servais, An FPGA-Based Data Acquisition and Processing System for the MATMOS FTIR Instrument, IEEEAC Paper #1233, Version 3, Updated December 15, 2008

Connor BJ, Boesch H, Toon G, et al. Orbiting carbon observatory: Inverse method and prospective error analysis JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 113, D05305, 2008

Santee ML, Lambert A, Read WG, Livesey NL, Toon GC, et al., Validation of the Aura Microwave Limb Sounder HNO3 measurements, JOURNAL OF GEOPHYSICAL RESEARCH, 112, D24S40, 2007

A. Lambert et al., Validation of the Aura Microwave Limb Sounder middle atmosphere water vapor and nitrous oxide measurements, JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 112, D24S36, doi:10.1029/2007JD008724, 2007

Wang, D. Y., Höpfner, M., Mengistu Tsidu, G., Stiller, G. P., von Clarmann, T., Fischer, H., Blumenstock, T., Glatthor, N., Grabowski, U., Hase, F., Kellmann, S., Linden, A., Milz, M., Oelhaf, H., Schneider, M., Steck, T., Wetzel, G., López-Puertas, M., Funke, B., Koukouli, M. E., Nakajima, H., Sugita, T., Irie, H., Urban, J., Murtagh, D., Santee, M. L., Toon, G., Gunson, M. R., Irion, F. W., Boone, C. D., Walker, K., and Bernath, P. F.: Validation of nitric acid retrieved by the IMK-IAA processor from MIPAS/ENVISAT measurements, Atmos. Chem. Phys., 7, 721-738, 2007

Kovalenko, L.J., K.W. Jucks, R.J. Salawitch, G.C. Toon, J-F. Blavier, D.G. Johnson, D. , N.J. Livesey, J.J. Margitan, H.M. Pickett, M.L. Santee, B. Sen, R.A. Stachnik, and J.W. Waters, "Observed and Modeled HOCl Profiles in the Midlatitude Stratosphere: Implication for Ozone Loss," Geophys. Res. Lett. 34, L19801, doi:10.1029/2007GL031100, 2007.

Wang, D. Y., Höpfner, M., Blom, C. E., Ward, W. E., Fischer, H., Blumenstock, T., Hase, F., Keim, C., Liu, G. Y., Mikuteit, S., Oelhaf, H., Wetzel, G., Cortesi, U., Mencaraglia, F., Bianchini, G., Redaelli, G., Pirre, M., Catoire, V., Huret, N., Vigouroux, C., De Mazière, M., Mahieu, E., Demoulin, P., Wood, S., Smale, D., Jones, N., Nakajima, H., Sugita, T., Urban, J., Murtagh, D., Boone, C. D., Bernath, P. F., Walker, K. A., Kuttippurath, J., Kleinböhl, A., Toon, G., and Piccolo, C.: Validation of MIPAS HNO3 operational data, Atmos. Chem. Phys., 7, 4905-4934, 2007

Müller, R., Tilmes S, Grooss JU, Engel A, Oelhaf H, Wetzel G, Huret N, Pirre M, Catoire V, Toon G, Nakajima H, Impact of mesospheric intrusions on ozone-tracer relations in the stratospheric polar vortex, J. Geophys. Res., 112, D23307, doi:10.1029/2006JD008315, 2007

M. Hopfner, T. von Clarmann, H. Fischer, B. Funke, N. Glatthor, U. Grabowski, S. Kellmann, M. Kiefer, A. Linden, M. Milz, T. Steck, G. P. Stiller, P. Bernath, C. E. Blom, Th. Blumenstock, C. Boone, K. Chance, M. T. Coffey, F. Friedl-Vallon, D. Griffith, J. W. Hannigan, F. Hase, N. Jones, K. W. Jucks, C. Keim, A. Kleinert, W. Kouker, G. Y. Liu, E. Mahieu, J. Mellqvist, S. Mikuteit, J. Notholt, H. Oelhaf, C. Piesch, T. Reddmann, R. Ruhnke, M. Schneider, A. Strandberg, G. Toon, K. A. Walker, T. Warneke, G. Wetzel, S. Wood, and R. Zander, Validation of MIPAS ClONO2 measurements, ATMOSPHERIC CHEMISTRY AND PHYSICS, 7, 257-281, 2007

T. Warneke, J. F. Meirink, P. Bergamaschi, J.-U. Groos J. Notholt, G. C. Toon, V. Velazco, A. P. H. Goede, and O. Schrems, Seasonal and latitudinal variation of atmospheric methane: A ground-based and ship-borne solar IR spectroscopic study, GEOPHYSICAL RESEARCH LETTERS, VOL. 33, L14812, doi:10.1029/2006GL025874, 2006

Armin Kleinboehl, Geoffrey C. Toon, Bhaswar Sen, Jean-Francois L. Blavier, Debra K. Weisenstein, Rafal S. Strekowski, J. Michael Nicovich, Paul H. Wine, and Paul O. Wennberg, On the stratospheric chemistry of hydrogen cyanide, GEOPHYSICAL RESEARCH LETTERS, VOL. 33, L11806, doi:10.1029/2006GL026015, 2006

Lumpe J, Bevilacqua R, Randall C, Nedoluha G, Hoppel K, Russell J, Harvey VL, Schiller C, Sen B, Taha G, Toon G, Vomel H, Validation of Polar Ozone and Aerosol Measurement (POAM) III version 4 stratospheric water vapor, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 111, D11301, 2006

Hase F, Demoulin P, Sauval AJ, Toon GC, Bernath PF, Goldman A, Hannigan JW, Rinsland CP, An empirical line-by-line model for the infrared solar transmittance spectrum from 700 to 5000 cm-1 JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 102, 450-463, 2006

R.A. Washenfelder, G.C. Toon, J-F. Blavier, Z. Yang, N.T. Allen, P.O. Wennberg, S.A. Vay, D.M. Matross, B.C. Daube, Carbon dioxide column abundances at the Wisconsin Tall Tower site, in press JGR, 2006

Froidevaux L, Livesey NJ, Read WG, Jiang YBB, Jimenez C, Filipiak MJ, Schwartz MJ, Santee ML, Pumphrey HC, Jiang JH, Wu DL, Manney GL, Drouin BJ, Waters JW, Fetzer EJ, Bernath PF, Boone CD, Walker KA, Jucks KW, Toon GC, Margitan JJ, Sen B, Webster CR, Christensen LE, Elkins JW, Atlas E, Lueb RA, Hendershot R, Early validation analyses of atmospheric profiles from EOS MLS on the Aura satellite, IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 44, 1106-1121, 2006

Davies, S., Mann, G. W., Carslaw, K. S., Chipperfield, M. P., Remedios, J. J., Allen, G., Waterfall, A. M., Spang, R., and Toon, G. C.: Testing our understanding of Arctic denitrification using MIPAS-E satellite measurements in winter 2002/2003, Atmos. Chem. Phys., 6, 3149-3161, 2006

Notholt J, Toon G, Jones N, et al. Spectral line finding program for atmospheric remote sensing using full radiation transfer JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 97: 112-125, 2006

Irie H, Sugita T, Nakajima H, Yokota T, Oelhaf H, Wetzel G, Toon GC, Sen B, Santee ML, Terao Y, Saitoh N, Ejiri MK, Tanaka T, Kondo Y, Kanzawa H, Kobayashi H, Sasano Y , Validation of stratospheric nitric acid profiles observed by Improved Limb Atmospheric Spectrometer (ILAS)-II, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 111 (D11): Art. No. D11S03 MAR 29 2006

Nakajima H, Sugita T, Irie H, Saitoh N, Kanzawa H, Oelhaf H, Wetzel G, Toon GC, Sen B, Blavier JF, Traub WA, Jucks K, Johnson DG, Yokota T, Sasano Y, Measurements of ClONO2 by the Improved Limb Atmospheric Spectrometer (ILAS) in high-latitude stratosphere: New products using version 6.1 data processing algorithm, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 111, D11S09, 2006

Ejiri MK, Terao Y, Sugita T, Nakajima H, Yokota T, Toon GC, Sen B, Wetzel G, Oelhaf H, Urban J, Murtagh D, Irie H, Saitoh N, Tanaka T, Kanzawa H, Shiotani M, Aoki S, Hashida G, Machida T, Nakazawa T, Kobayashi H, Sasano Y, Validation of the improved limb atmospheric spectrometer-II (ILAS-II) version 1.4 nitrous oxide and methane profiles, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 111, D22S90, 2006

Haverd V, Toon GC, Griffith DWT Evidence for altitude-dependent photolysis-induced O-18 isotopic fractionation in stratospheric ozone GEOPHYSICAL RESEARCH LETTERS 32 (22): Art. No. L22808 NOV 29 2005

Kleinbohl A, Toon GC, Sen B, et al. Infrared measurements of atmospheric CH3CN GEOPHYSICAL RESEARCH LETTERS 32 (23): Art. No. L23807 DEC 6 2005

Gross JU, Gunther G, Muller R, Konopka P, Bausch S, Schlager H, Voigt C, Volk CM, Toon GC, Simulation of denitrification and ozone loss for the Arctic winter 2002/2003, Atmos. Chem. Phys., 5, 1437-1448, 2005

Warneke T, Yang Z, Olsen S, Korner S, Notholt J, Toon GC, Velazco V, Schulz A, Schrems O, Seasonal and latitudinal variations of column averaged volume-mixing ratios of atmospheric CO2, Geophys. Res. Lett., 32, Art. No. L03808, 2005

Feng W, Chipperfield MP, Davies S, Sen B, Toon G, Blavier JF, Webster CR, Volk CM, Ulanovsky A, Ravegnani F, von der Gathen P, Jost H, Richard EC, Claude H Three-dimensional model study of the Arctic ozone loss in 2002/2003 and comparison with 1999/2000 and 2003/2004, Atmos. Chem. Phys., 5, 139-152, 2005.

Yang Z., P.O.Wennberg, R.P.Cageao, T.J.Pongetti, G.C.Toon, and S.P.Sander, Ground-based photon path measurements from solar absorption spectra of the O2 A-band, JQSRT, 90, 309-321, 2005.

Khosrawi F., R. Muller, H. Irie, A. Engel, G. C. Toon, B. Sen, S. Aoki, T. Nakazawa, W. A. Traub, K. W. Jucks, D. G. Johnson, H. Oelhaf, G. Wetzel, T. Sugita, H. Kanzawa, T. Yokota, H. Nakajima, and Y. Sasano, Validation of CFC-12 measurements from the Improved Limb Atmospheric Spectrometer (ILAS) with the version 6.0 retrieval algorithm, J. Geophys. Res., 109(D6), D06311, doi:10.1029/2003JD004325, 2004.

Konopka P., H.M. Steinhorst, J.U. Grooss, G. Gunther, R. Muller, J.W. Elkins, J.H. Jost, E. Richard, U. Schmidt, G. Toon, D.S. McKenna, Mixing and ozone loss in the 1999-2000 Arctic vortex: Simulations with the three-dimensional Chemical Lagrangian Model of the Stratosphere (CLaMS), J. Geophys. Res., 109(D2), D02315, doi:10.1029/2003JD003792, 2004.

van Aalst, M.K., M.M.P. van den Broek, A. Bregman, C. Bruhl, B. Steil, G.C. Toon, S. Garcelon, G.M. Hansford, R.L. Jones, T.D. Gardiner, G.J. Roelofs, J. Lelieveld, P.J. Crutzen, Trace gas transport in the 1999/2000 Arctic winter: comparison of nudged GCM runs with observations, Atmos. Chem. Phys., 4, 81-93, 2004.

Poole, L.R., C.R. Trepte, V.L. Harvey, G.C. Toon, R.L. VanValkenburg, SAGE III observations of Arctic polar stratospheric clouds - December 2002, Geophys. Res. Lett., 30(23), 2216, doi:10.1029/2003GL018496, 2003.

Tilmes, S., R. Muller, J.U. Grooss, M. Hopfner, G.C. Toon, J.M. Russell, Very early chlorine activation and ozone loss in the Arctic winter 2002-2003, Geophys. Res. Lett., 30(23), 2201, doi:10.1029/2003GL018079, 2003.

van den Broek, M.M.P., M.K. van Aalst, A. Bregman, M. Krol, J. Lelieveld, G.C. Toon, S. Garcelon, G.M. Hansford, R.L. Jones, T.D. Gardiner, The impact of model grid zooming on tracer transport in the 1999/2000 Arctic polar vortex, Atmos. Chem. Phys., 3, 1833-1847, 2003.

Vogel, B., R. Muller, T. Deshler, J.U. Grooss, J. Karhu, D.S. McKenna, M. Muller, D. Toohey, G.C. Toon, F. Stroh, Vertical profiles of activated ClO and ozone loss in the Arctic vortex in January and March 2000: In situ observations and model simulations, J. Geophys. Res., 108(D22), 8334, doi:10.1029/2002JD002564, 2003.

Notholt, J., Z. Kuang, C. P. Rinsland, G. C. Toon, M. Rex, N. Jones, T. Albrecht, H. Deckelmann, J. Krieg, C. Weinzierl, H. Bingemer, R. Weller, O. Schrems, Enhanced upper tropical tropospheric COS: Impact on the stratospheric aerosol layer, Science , 300, 307-310, 2003.

Washenfelder, R.A., P.O. Wennberg, G.C. Toon, Tropospheric methane retrieved from ground-based near-IR solar absorption spectra, Geophys. Res. Lett., 30(23), 2226, doi:10.1029/2003GL017969, 2003.

Kanzawa, H., T. Sugita, H. Nakajima, G.E. Bodeker, H. Oelhaf, M. Stowasser, G. Wetzel, A. Engel, U. Schmidt, I. Levin, G.C. Toon, B. Sen, J.F. Blavier, S. Aoki, H. Nakajima, K.W. Jucks, D.G. Johnson, W.A. Traub, C. Camy-Peret, S. Payan, P. Jeseck, I. Murata, H. Fukunishi, M. Von Konig, H. Bremer, H. Kullmann, J.H. Park, L. Pan, T. Yokota, M. Suzuki, M. Shiotani, and Y. Sasano, Validation and data characteristics of nitrous oxide and methane profiles observed by the Limb Atmospheric Spectrometer (ILAS) and processed with Version 5.20 algorithm, J. Geophys. Res., 108(D16), 8003, doi:10.1029/2002JD002458, 2003.

Sugita T, Yokota T, Nakajima H, Kanzawa H, Nakane H, Gernandt H, Yushkov V, Shibasaki K, Deshler T, Kondo Y, Godin S, Goutail F, Pommereau JP, Camy-Peyret C, Payan S, Jeseck P, Renard JB, Bosch H, Fitzenberger R, Pfeilsticker K, von Konig M, Bremer H, Kullmann H, Schlager H, Margitan JJ, Stachnik B, Toon GC, Jucks K, Traub WA, Johnson DG, Murata I, Fukunishi H, Sasano Y, Validation of ozone measurements from the improved limb atmospheric spectrometer (ILAS), J. Geophys. Res., 107 (D24): art. no. 8212 SEP-OCT 2002

Steele, H.M., A.M. Eldering, B. Sen, and G. C. Toon, Retrieval of Stratospheric Aerosol Size and Composition Information from Solar Infrared Transmission Spectra, Appl. Opt., 42(12), 2140-2154, 2003.

Rinsland, C.P., E. Mahieu, R. Zander, N.B. Jones, M.P. Chipperfield, A. Goldman, J. Anderson, J.M. Russell III, P. Demoulin, J. Notholt, G.C. Toon, J.-F.Blavier, B. Sen, R. Sussmann, S.W. Wood, A. Meier, D.W.T. griffith, L.S. Chiou, F.J. Murcray, T.M. Stephen, F. Hase, S. Mikuteit, A. Schulz, and T. Blumenstock, Long-term trends of inorganic chlorine from ground-based infrared solar spectra: Past increases and evidence of stabilization, J. Geophys. Res., 108(D8), 4252, doi:10.1029/2002JD003001, 2003.

Proffitt, M.H., K. Aikin, A.F. Tuck, M. Loewenstein, T.P. Bui, J.J. Margitan, C.R. Webster, G.C. Toon, and J.W. Elkins, Seasonally averaged ozone in the Northern hemisphere lower stratosphere using a conserved tracer as a reference, J. Geophys. Res., 108(D3), 4110, doi:10.1029/2002JD002657, 2003.

Kuang, Z., G.C. Toon, P.O. Wennberg, Y.L. Yung, Measured HDO/H2O ratios across the tropical tropopause, Geophys. Res. Lett., 30(7), 1372, DOI:10.1029/2003GL017023, 2003.

Herman, R.L., K. Drdla, J.R. Spackman, D.F. Hurst, P.J. Popp, C.R. Webster, P.A. Romashkin, J.W. Elkins, E.M. Weinstock, B.W. Gandrud, G.C. Toon, M.R. Schoeberl, H. Jost, E.L. Atlas, and T.P. Bui, Hydration, dehydration, and the total hydrogen budget of the 1999-2000 winter Arctic stratosphere, J. Geophys. Res., 108(D5), 8320, doi:10.1029/2001JD001257, 2002.

Pierce, R.B, J. Al-Saadi, T.D. Fairlie, M. Natarajan, V.L. Harvey, W.L. Grose, J.M. Russell, R. Bevilacqua, S. Eckerman, D. Fahey, R.-S. Gao, G.C. Toon, E. Richard, R. Stimpfle, C.R. Webster, and J. Elkins, Large scale chemical evolution of the Arctic vortex during the 1999-2000 winter: HALOE/POAM3 Lagrangian Photochemical modeling for the SOLVE campaign, J. Geophys. Res., 108(D5), 8317, doi:10.1029/2001JD001063, 2002.

Plumb, R.A., W. Heres, J.L. Neu, N.M. Mahowald, J. del Corral, G.C. Toon, J.W. Elkins, and S. Strahan, Global tracer modeling during SOLVE: High latitude descent and mixing, J. Geophys. Res., 108(D5), 8309, doi:1029/2001JD001023, 2002.

Coffey, M.T., W.G. Mankin, J.W. Hannigan, and G.C. Toon, Airborne spectroscopic observations of chlorine activation and denitrification of the 1999/2000 winter arctic stratosphere during SOLVE, J. Geophys. Res., 108(D5), 8303, doi:1029/2001JD001085, 2002.

Muller, R, S. Tilmes, J.-U Gross, D.S. McKenna, M. Muller, U. Schmidt, G.C. Toon, R.A Stachnik, J.J. Margitan, J.W. Elkins, J. Arvelius, and J.M. Russell III, Chlorine activation and chemical ozone loss deduced from HALOE and balloon measurements in the Arctic during the winter of 1999-2000, J. Geophys. Res., 108(D5), 8302, doi:10.1029/2001JD001423, 2002.

Michelsen, H.A., G.L. Manney, F.W. Irion, G.C. Toon, M.R. Gunson, C.P. Rinsland, R. Zander, E. Mahieu, M.J. Newchurch, P.N. Purcell, E.E. Remsberg, J.M. Russell, C. Pumphrey, J.W. Waters, R.M. Bevilacqua, K.K. Kelly, E.J. Hintsa, E.M. Weinstock, E.W. Chiou, W.P. Chu, M.P. McCormick, and C.R. Webster, ATMOS Version 3 water vapor measurements: Comparisons with observations from two ER-2 Lyman-alpha hygrometers, MkIV, HALOE, SAGE II, MAS, and MLS, J. Geophys. Res., 107(D3), doi:10.1029/2001JD000587, 2002.

Greenblatt, J.B., J.J. Jost, M. Loewenstein, J.R. Podolske, D.F. Hurst, J.W. Elkins, S.M. Schauffler, E.L. Atlas, R.L. Herman, C.R. Webster, T.P. Bui, F.L. Moore, E.A. Ray, S. Oltmans, H. Vomel, J.-F. Blavier, B. Sen, R. A. Stachnik, G.C. Toon, A. Engle, M. Muller, U. Schmidt, H. Bremer, R.B. Pierce, B.-M. Sinnhuber, M. Chipperfield, and F. Lefevre, Tracer-based determination of vortex descent in the 1999-2000 Arctic winter, J. Geophys. Res., 107(D20), 8279, doi:10.1029/2001JD000937, 2002.

Northway, M.J., R.S. Gao, P.J. Popp, J.C. Holecek, D.W. Fahey, K.S. Carslaw, M.A. Tolbert, S. Dhaniyala, P.O. Wennberg, L.R. Lait, M.J. Mahoney, R.L. Herman, G.C. Toon, and T.P. Bui, An analysis of large HNO3-containing particles sampled in the Arctic stratosphere during the winter of 1999-2000, J. Geophys. Res., 107(D20), 8298, doi:10.1029/2001JD001079, 2002.

Lumpe, J.D., M. Fromm, K. Hoppel, R.M. Bevilacqua, C.E. Randall, E.V. Browell, W.B. Grant, T. McGee, J. Burris, L. Twigg, E.C. Richard, G.C. Toon, J.J. Margitan, B. Sen, K. Pfeilsticker, H. Boesch, R. Fitzenberger, F. Goutail, J.-P. Pommereau, Comparison of POAM III ozone measurements with correlative aircraft and balloon data during SOLVE, J. Geophys. Res., 108(D5), 8316, doi:10.1029/2001JD000472, 2002.

Randall, C.E., J.D. Lumpe, R.M. Bevilacqua, K.W. Hoppel, E.P. Shettle, D.W. Rusch, L.L. Gordley, K. Kreher, K. Pfeilsticker, G.C. Toon, and F. Goutail, Validation of POAM III NO2, J. Geophys. Res., 107(D20), 4432, doi:10.1029/2001JD001520, 2002.

Salawitch, R.J., J.J. Margitan, B. Sen, G.C. Toon, G.B. Osterman, M. Rex, J.W. Elkins, E.A. Ray, F.L. Moore, D.F. Hurst, P.A. Romashkin, R.M. Bevilacqua, K. Hoppel, E.C. Richard, and T.P. Bui, Chemical loss of ozone during the Arctic winter of 1999-2000: An analysis based on balloon borne observations, J. Geophys. Res., 107(D20),, 8269, doi:10.1029/2001JD000620, 2002.

Rex, M., R.J. Salawitch, N.R.P. Harris, P.von der Gathen, G.O. Braathen, A. Schultz, H. Deckelman, M. Chipperfield, B.-M. Sinnhuber, E. Reimer, R. Alfier, R. Bevilacqua, K. Hoppel, M. Fromm, J. Lumpe, H. Kuhlmann, A. Kleinbohl, H. Bremer, M. von Konig, K. Kunzi, D. Toohey, H. Vomel, E. Richard, K. Aikin, H. Jost, J.B. Greenblatt, M. Loewenstein, J.R. Podolske, C.R. Webster, G.J. Flesch, D.C. Scott, R.L. Herman, J.W. Elkins, E.A. Ray, F.L. Moore, D.F. Hurst, P. Romashkin, G.C. Toon, B. Sen, J.J. Margitan, P.O. Wennberg, R. Neuber, M. Allart, B.R. Bojkov, H. Claude, J. Davies, W. Davies, H. De Backer, H. Dier, V. Dorokhov, H. Fast, Y. Kondo, E. Kyro, Z. Litynska, I.S. Mikkelson, M.J. Molyneux, E.Moran, T. Nagai, H. Nakane, C. Parrondo, F. Ravegnani, P. Skrivankova, P. Viatte, and V. Yushkov, Chemical Loss of Arctic Ozone, J. Geophys. Res., 107(D20), 8276, doi:10.1029/2001JD000533, 2002.

Toon, G.C., B. Sen, J.F. Blavier, Y. Sasano, T. Yokota, H. Kanzawa, T. Ogawa, M. Suzuki, and K. Shibasaki, Comparison of ILAS and MkIV profiles of atmospheric trace gases measured above Alaska in May 1997, J. Geophys. Res., 107(D24), 8211, doi:10.1029/2001JD000640, 2002.

Irie, H., Y. Kondo, M. Koike, C. Camy-Peret, S. Payan, J.P. Pommereau, F. Goutail, H. Oelhaf, G. Wetzel, G.C. Toon, B. Sen, R.M. Bevilacqua, J.M. Russell III, J.B. Renard, H. Kanzawa, H. Nakajima, T. Yokota, T. Sugita, and Y. Sasano, Validation of NO2 and HNO3 measurements from the Improved Limb Atmospheric Spectrometer (ILAS) with the version 5.20 retrieval algorithm, J. Geophys. Res., 107(D24), 8206, doi:10.1029/2001JD001304, 2002.

Kanzawa, H., C. Schiller, J. Ovarlez, C. Camy-Peyret, S. Payan, P. Jeseck, H. Oelhaf, M. Stowasser, W.A. Traub, K.W. Jucks, D.G. Johnson, G.C. Toon, B. Sen, J.-F. Blavier, J.H. Park, G.E. Bodeker, L.L. Pan, T. Sugita, H. Nakajima, T. Yokota, M. Suzuki, M. Shiotani, and Y. Sasano, Validation and data characteristics of water vapor profiles observed by the Improved Limb Atmospheric Spectrometer (ILAS) and processed with the Version 5.20 algorithm, J. Geophys. Res., 107(D24), 8217, doi:10.1029/2001JD000881, 2002.

Kleinboehl, A., H. Bremer, M. von Koenig, H. Kuellmann, K.F. Kuenzi, A.P.H. Goede, E.V. Browell, W.B. Grant, G.C. Toon, T. Blumenstock, B. Gallle, B.-M. Sinnhuber, and S. Davies, Vortexwide denitrification of the Arctic polar stratosphere in winter 1999/2000 determined by Remote Observations, J. Geophys. Res., 108(D5),, 8305, 10.1029/2001JD001042, 2002.

Mellqvist, J., B. Galle, T. Blumenstock, F. Hase, D. Yaschov, J. Notholt, B. Sen, G.C.Toon, and M.Chipperfield, Ground-based FTIR observations of chlorine activation and ozone depletion inside the Arctic vortex during the winter of 1999/2000, J. Geophys. Res., 107(D20), doi:10.1029/2001JD001080, 2002.

Northway, M.J., P.J. Popp, R.S. Gao, D.W. Fahey, G.C. Toon, and T.P. Bui, Relating observed HNO3 flux values to the denitrification of the 1999-2000 Arctic vortex, Geophys. Res. Lett., 29(16), doi:10.1029/2002/GL015000, 2002.

Christensen, L.E., M. Okumura, S.P. Sander, R.J. Salawitch, G.C. Toon, B. Sen, J.-F. Blavier, and K.W. Jucks, Kinetics of HO2+HO2 --> H2O2+O2: Implications for stratospheric H2O2, Geophys. Res. Lett., 29(9), doi:10.1029/2001GL014525, 2002.

Salawitch, R.J., P.O. Wennberg, G.C. Toon, B. Sen, and J.F. Blavier, Near IR photolysis of HO2NO2: Implications for HOx, Geophys. Res. Lett., 29(16), doi:10.1029/2002GL015006, 2002.

Leung F.Y.T., A.J. Colussi, M.R. Hoffmann, G.C. Toon, Isotopic fractionation of carbonyl sulfide in the atmosphere: Implications for the source of background stratospheric sulfate aerosol, Geophys. Res. Lett., 29(10), doi:10.1029/2001GL013955, 2002.

Yang, Z., G.C. Toon, J.S. Margolis, P.O. Wennberg, Atmospheric CO2 retrieved from ground-based near IR spectra, Geophys. Res. Lett., 29(9), doi:10.1029/2001GL014537, 2002.

Kuang, Z., J.S. Margolis, G.C. Toon, D. Crisp, and Y.L. Yung, Spaceborne measurements of atmospheric CO2 by high resolution NIR spectrometry of reflected sunlight: An introductory study, Geophys. Res. Lett., 29(15), doi:10.1029/2001GL014298, 2002.

Irion, F.W., M.R. Gunson, G.C. Toon, A.Y. Chang, A. Eldering, E. Mahieu, G.L. Manney, H.A. Michelsen, E.J. Moyer, M.J. Newchurch, G.B. Osterman, C.P. Rinsland, R.J. Salawitch, B. Sen, Y.L. Yung, and R. Zander, Atmospheric Trace Molecule Spectroscopy (ATMOS) Experiment Version 3 data retrievals, Appl. Opt., 41(33), 6968-6979, 2002.

Toon, G.C., J.-F. Blavier, B.Sen, and B.J. Drouin, Atmospheric COCl2 measured by balloon borne solar absorption spectrometry, Geophys. Res. Lett., 28, 2835-2838, 2001.

Manney G.L., H.A. Michelsen, R.M. Bevilacqua, M.R. Gunson, F.W. Irion, N.J. Livesey, J. Oberheide, M. Riese, J.M. Russell, G.C. Toon, and J.M. Zawodny, Comparison of satellite ozone observations in coincident air masses in early November 1994, J. Geophys. Res., 106, 9923-9943, 2001.

Richard, E.C., K. Aikin, A. Andrews, B.C. Daube, C. Gerbig, S.C. Wofsy, P.A. Romashkin, D.F. Hurst, J.W. Elkins, E.A. Ray, F.L. Moore, T. Deshler, and G.C. Toon, Severe chemical ozone loss inside the arctic polar vortex during winter 1999-2000 inferred from in-situ measurements, Geophys. Res. Lett., 28, 2197-2200, 2001.

Gao, R.S., E.C. Richard, P.J. Popp, G.C. Toon, D.F. Hurst, P.A. Newman, J.C. Holecek, M.J. Northway, D.W. Fahey, M.Y. Danilin, B. Sen, K. Aikin, P.A. Romashkin, J.W. Elkins, C.R. Webster, S.M. Schauffler, J.B. Greenblatt, C.T. McElroy, L.R. Lait, T.P. Bui, and D. Baumgardner, Observational evidence for the role of denitrification in Arctic stratospheric ozone loss, Geophys. Res. Lett., 28, 2879-2882, 2001.

Popp, P.J., M.J. Northway, J.C. Holecek, R.S. Gao, D.W. Fahey, J.W. Elkins, D.F. Hurst, P.A. Romashkin, G.C. Toon, B. Sen, S.M. Schauffler, R.J. Salawitch, C.R. Webster, R.L. Herman, H. Jost, T.P. Bui, P.A. Newman, and L.R. Lait, Severe and extensive denitrification in the 1999-2000 Arctic winter stratosphere, Geophys. Res. Lett., 28, 2875-2878, 2001.

Rosenlof, K.H., S.J. Oltmans, D. Kley, J.M. Russell, E.E. Chiou, W.P. Chu, D.G. Johnson, K.K. Kelly, H.A. Michelsen, G.E. Nedoluha, E.E. Remsberg, G.C. Toon, and M.P. McCormick, Stratospheric water vapor increases over the past half-century, Geophys. Res. Lett., 28, 1195-1198, 2001.

Koike, M., Y. Kondo, H. Irie, F.J. Murcray, J. Williams, P. Fogal, R. Blatherwick, C. Camy-Peyret, S. Payan, H. Oelhaf, G. Wetzel, W. Traub, D. Johnson, K. Jucks, G.C. Toon, B. Sen, J.-F. Blavier, H. Schlager, H. Zeireis, N. Toriyama, M.Y. Danilin, J.M. Rodriguez, H. Kanzawa, and Y. Sasano, A comparison of Arctic HNO3 profiles measured by the ILAS spectrometer and balloon-borne sensors, J. Geophys. Res., 105, 6761-6771, 2000.

Webster, C.R., H.A. Michelson, R.D. May, D.C. Scott, R.L. Herman, E.J. Moyer, J.J. Margitan, G.C. Toon, B. Sen, M.R. Gunson, K.W. Jucks, D.G. Johnson, K.V. Chance, W.A. Traub, and J.M. Russell III, Response of lower stratospheric HCl/Cly to volcanic aerosol: Observations from aircraft, balloon, space shuttle, and satellite instruments, J. Geophys. Res., 105, 11711-11719, 2000.

Griffith, D.W.T., G.C. Toon, B. Sen, J.-F. Blavier, and R.A. Toth, Vertical profiles of nitrous oxide isotopomer fractionation measured in the stratosphere, Geophys. Res. Lett., 26, 2485-2488, 2000.

Bonne, G.P., R.M. Stimpfle, R.C. Cohen, P.B. Voss, K.K. Perkins, J.G. Anderson, R.J. Salawitch, J.W. Elkins, G.S. Dutton, K.W. Jucks, and G.C. Toon, An examination of the inorganic chlorine budget in the lower stratosphere, J. Geophys. Res., 105, 1957-1971, 2000.

Notholt, J., G.C. Toon, B. Sen, N.B. Jones, C.P. Rinsland , R. Lehmann, and M. Rex, Variations in the tropical uplift following the Pinatubo eruption studied by infrared solar absorption spectrometry, Geophys. Res. Lett., 27, 2609-2612, 2000.

Notholt J., G.C. Toon, C.P. Rinsland, N.S. Pougatchev, N.B. Jones, B.J. Connor, R. Weller, M. Gautrois, and O. Schrems, Latitudinal variations of trace gas concentrations in the free troposphere measured by solar absorption spectroscopy during a ship cruise, J. Geophys. Res., 105, 1337-1349, 2000.

Manney, G.L., H.A. Michelsen, F.W. Irion, G.C. Toon, M.R. Gunson, and A.E. Roche, Lamination and polar vortex development in fall from ATMOS long-lived trace gases observed during November 1994, J. Geophys. Res., 105, 29023-29038, 2000.

Michelsen, H.A., F.W. Irion, G.L. Manney, G.C. Toon, and M.R. Gunson, Features and trends in Atmospheric Trace Molecule Spectroscopy (ATMOS) version 3 stratospheric water vapor and methane measurements, J. Geophys. Res., 105, 22713-22724, 2000.

Johnson, D.G., K.W. Jucks, W.A. Traub, K.V. Chance, G.C. Toon, J.W. Russell III, and M.P. McCormick, Stratospheric age spectra derived from observations of water vapor and methane, J.Geophys.Res., 104, 21,595-21,602, 1999.

Toon, G.C., J.-F. Blavier, B. Sen, J.J. Margitan, C.R. Webster, R.D. May, D.W. Fahey, R. Gao, L. Del Negro, M. Proffitt, J. Elkins, P.A. Romashkin, D.F. Hurst, S. Oltmans, E. Atlas, S. Schauffler, F. Flocke, T.P. Bui, R.M. Stimpfle, G.P. Bonne, P.B. Voss, and R.C. Cohen, Comparison of MkIV balloon and ER-2 aircraft profiles of atmospheric trace gases, J. Geophys. Res., 104, 26,779-26,790, 1999.

Toon, G.C., J.-F. Blavier, B. Sen, R.J. Salawitch, G.B. Osterman, J. Notholt, M. Rex, C.T. McElroy, and J.M. Russell III, Ground-based observations of Arctic ozone loss during spring and summer 1997, J. Geophys. Res., 104, 26,497-26,510, 1999.

Rex, M., R.J. Salawitch, G.C. Toon, B. Sen, J.J. Margitan, G.B. Osterman, J.-F. Blavier, R.S. Gao, S. Donnelly, E. Keim, J. Neuman, D.W. Fahey, C.R. Webster, D.C. Scott, R.L. Herman, R.P. May, E.J. Moyer, M.R. Gunson, F.W. Irion, A.Y. Chang, C.P. Rinsland, and T.P. Bui, Subsidence, mixing and denitrification of Arctic polar vortex air measured during POLARIS, J. Geophys. Res., 104, 26,611-26,623, 1999.

Lloyd, S., W.H. Swartz, T. Kusterer, D. Anderson, C.T. McElroy, C. Midwinter, R. Hall, K. Nassim, D. Jaffe, W. Simpson, J. Kelley, D. Griffin, B. Johnson, R. Evans, D. Quincy, S. Oltmans, P. Newman, R. McPeters, G. Labow, L. Moy, C. Seftor, G.C. Toon, B. Sen, and J.-F. Blavier, Intercomparison of total ozone observations at Fairbanks, Alaska, during POLARIS, J. Geophys. Res., 104, 26,767-26,778, 1999.

Goldman, A., C. Paton-Walsh, W. Bell, G.C. Toon, J.-F. Blavier, B. Sen, M.T. Coffey, J.W. Hannigan, and W.G. Mankin, Network for the Detection of Stratospheric Change Fourier transform infrared intercomparison at Table Mountain Facility, November, 1996, J. Geophys. Res., 104, 30,481-30,503, 1999.

Koike, M., Y. Kondo, H. Irie, F.J. Murcray, J. Williams, P. Fogal, R. Blatherwick, C. Camy-Peyret, S. Payan, H. Oelhaf, G. Wetzel, W. Traub, D. Johnson, K. Jucks, G.C. Toon, B. Sen, J.-F. Blavier, H. Schlager, H. Zeireis, N. Toriyama, M.Y. Danilin, J.M. Rodriguez, H. Kanzana, and Y. Sasano, A comparison of Arctic HNO3 profiles measured by ILAS and balloon-borne sensors, J. Geophys. Res., 105(D5), 6761-6771, 1999.

Sen, B., G.B. Osterman, R.J. Salawitch, G.C. Toon, J.J. Margitan, J.-F. Blavier, A.Y. Chang, R.D. May, C.R. Webster, R.M. Stimpfle, G.P. Bonne, P.B. Voss, K.K. Perkins, J.G. Anderson, R.C. Cohen, J.W. Elkins, G.S. Dutton, D.F. Hurst, P.A. Romashkin, E.L. Atlas, S.M. Schauffler, M. Loewenstein, The budget and partitioning of stratospheric chlorine during the 1997 Arctic summer, J. Geophys. Res., 104(D21), 26653-26665 1999.

Osterman, G.B., B. Sen, G.C. Toon, R.J. Salawitch, J.J. Margitan, J.-F. Blavier, D.W. Fahey, and R.-S. Gao, Partitioning of reactive nitrogen species in the Arctic stratosphere, Geophys. Res. Lett., 26(8), 1157-1160, 1999.

Pougatchev, N.S., N.B. Jones, B.J. Connor, C.P. Rinsland, E. Becker, M.T. Coffey, V.S. Connors, Ph. Demoulin, A.V. Dzhola, H. Fast, E.I. Grechko, J.W. Hannigan, M. Koike, Y. Kondo, E. Mahieu, W.G. Mankin, R.L. Mittermeier, J. Notholt, H.G. Reichle Jr., B. Sen, L.P. Steele, G.C. Toon, L.N. Yurganov, R. Zander, and Y. Zhao, Ground-based infrared solar spectroscopic measurements of carbon-monoxide during 1994 Measurement of Air Pollution From Space flight,J. Geophys. Res., 103(D15), 19317-19325, 1998.

Herman, R.L., D.C. Scott, C.R. Webster, R.D. May, E.J. Moyer, R.J. Salawitch, Y.L. Yung, G.C. Toon, B. Sen, J.J. Margitan, K.H. Rosenlof, H.A. Michelsen, and J.W. Elkins, Tropical entrainment time scales inferred from stratospheric N2O and CH4 observations, Geophys. Res. Lett., 25(15), 2781-2784, 1998.

Sen, B., G.C. Toon, G.B. Osterman, J.-F. Blavier, J.J. Margitan, R.J. Salawitch, and G.K. Yue, Measurements of reactive nitrogen in the stratosphere, J. Geophys. Res., 103(D3), 3571-3585, 1998.

Chipperfield, M.P., M. Burton, W. Bell, C. Paton-Walsh, Th. Blumenstock, M. Coffey, B. Galle, E. Mahieu, R. Zander, J. Notholt, B. Sen, and G.C. Toon, On the use of HF as a reference for stratospheric observations, J. Geophys. Res., 102(D11), 12901-12919, 1997.

Notholt, J., G.C. Toon, R. Lehmann, B. Sen, and J.-F. Blavier, Comparrison of Arctic and Antarctic trace gas column abundances from ground-based FTIR spectrometry, J. Geophys. Res., 102(D11), 12863-12869, 1997.

Notholt, J., G.C. Toon, F. Stordal, S. Solberg, N. Schmidbauer, A. Meier, E. Becker, and B. Sen, Seasonal variations of atmospheric trace gases in the high Arctic at 79° N, J. Geophys. Res., 102(D11), 12855-12861, 1997.

Osterman, G.B., R.J. Salawitch, B. Sen, R.A. Stachnik, H.M. Pickett, G.C. Toon, J.J. Margitan, J.-F. Blavier, and D.B. Peterson, Balloon-borne measurements of stratospheric radicals and their precursors: Implications for the production and loss of ozone, Geophys. Res. Lett., 24(9), 1107-1110, 1997.

Jaeglé, L., Y.L. Yung, G.C. Toon, B. Sen, and J.-F. Blavier, Balloon observations of organic and inorganic chlorine in the stratosphere: The role of HClO4 production on sulfate aerosols, Geophys. Res. Lett., 23(14), 1749-1752, 1996.

Johnson, D.G., J. Orphal, G.C. Toon, K.V. Chance, W.A. Traub, K.W. Jucks, G. Guelachvili, and M. Morillon-Chapey, Measurement of chlorine nitrate in the stratosphere using the nu4 and nu5 bands, Geophys. Res. Lett., 23(14), 1745-1748, 1996.

Park, J.H., J.M. Russell, III, LL. Gordley, S.R. Drayson, D.C. Benner, J.M. McInerney, M.R. Gunson, G.C. Toon, B. Sen, J.-F. Blavier, C.R. Webster, E.C. Zipf, P. Erdman, U. Schmidt, and C. Schiller, Validation of Halogen Occultation Experiment CH4 measurements from the UARS, J. Geophys. Res., 101(D6), 10183-10203, 1996.

Russell III, J.M., L.E. Deaver, M. Luo, R.J. Cicerone, J.H. Park, L.L. Gordley, G.C. Toon, M.R. Gunson, W.A. Traub, D.G. Johnson, K.W. Jucks, R. Zander, and I.G. Nolt, Validation of hydrogen fluoride measurements made by the Halogen Occultation Experiment from the UARS platform, J. Geophys. Res., 101(D6), 10163-10174, 1996.

Russell III, J.M., L.E. Deaver, M. Luo, J.H. Park, L.L. Gordley, A.F. Tuck, G.C. Toon, M.R. Gunson, W.A. Traub, D.G. Johnson, K.W. Jucks, D.G. Murcray, R. Zander, I.G. Nolt, and C.R. Webster, Validation of hydrogen chloride measurements made by the Halogen Occultation Experiment from the UARS platform, J. Geophys. Res.,101(D6), 10151-10162, 1996.

L.L. Gordley, A.F. Tuck, G.C. Toon, M.R. Gunson, W.A. Traub,Nightingale, R.W., A.E. Roche, J.B. Kumer, J.L. Mergenthaler, J.C. Gille, S.T. Massie, P.L. Bailey, D.P. Edwards, M.R. Gunson, G.C. Toon, B. Sen, J.-F. Blavier, and P.S. Connell, Global CF2Cl2 measurements by UARS CLAES: Validation of correlative data and a model, J. Geophys. Res., 101(D6), 9711-9736, 1996.

Roche, A.E., J.B. Kumer, R.W. Nightingale, J.L. Mergenthaler, G.A. Ely, P.L. Bailey, S.T. Massie, J.C. Gille, D.P. Edwards, M.R. Gunson, M.C. Abrams, G.C. Toon, C.R. Webster, W.A. Traub, K.W. Jucks, D.G. Johnson, D.G. Murcray, F.H. Murcray, A. Goldman, and E.C. Zipf, Validation of CH4 and N2O measurements by the cryogenic limb array etalon spectrometer instrument on the Upper Atmospheric Research Satellite, J. Geophys. Res.,101(D6), 9679-9710, 1996.

Kumer, J.B., J.L. Mergenthaler, A.E. Roche, R.W. Nightingale, F. Zele, J.C. Gille, S.T. Massie, P.L. Bailey, M.R. Gunson, M.C. Abrams, G.C. Toon, B. Sen, J.-F. Blavier, S.E. Smith, and F.W. Taylor, Comparison of CLAES preliminary N2O5 data with correlative data and a model, J. Geophys. Res.,101(D6), 9657-9677, 1996.

Kumer, J.B., J.L. Mergenthaler, A.E. Roche, R.W. Nightingale, G.A. Ely, W.G. Uplinger, J.C. Gille, S.T. Massie, P.L. Bailey, M.R. Gunson, M.C. Abrams, G.C. Toon, B. Sen, J.-F. Blavier, R.A. Stachnick, C.R. Webster, R.D. May, D.G. Murcray, F.H. Murcray, and A. Goldman, W.A. Traub, K.W. Jucks, and D.G. Johnson, Comparison of correlative data with HNO3 version V0007 from the CLAES instrument deployed on the NASA Upper Atmosphere Research Satellite, J. Geophys. Res.,101(D6), 9621-9656, 1996.

Mergenthaler, J.L., J.B. Kumer, A.E. Roche, R.W. Nightingale, J.F. Potter, J.C. Gille, S.T. Massie, P.L. Bailey, D. Edwards, P.S. Connell, D.E. Kinnison, M.R. Gunson, M.C. Abrams, G.C. Toon, B. Sen, J.-F, Blavier, D.G. Murcray, F.H. Murcray, and A. Goldman, Validation of CLAES ClONO2 measurements, J. Geophys. Res.,101(D6), 9603-9620, 1996.

Sen, B., G.C. Toon, J.-F. Blavier, E.L. Fleming, and C.H. Jackman, Balloon-borne observations of mid-latitude fluorine abundance, J. Geophys. Res., 101(D4), 9045-9054, 1996.

Sen, B., G.C. Toon, J.-F. Blavier, J.T. Szeto, E.L. Fleming, and C.H. Jackman, Balloon-borne observations of mid-latitude hydrofluoric acid, Geophys. Res. Lett., 22(7), 835-838, 1995.

Toon, G.C., J.-F. Blavier and J.T. Szeto, Latitude variations of stratospheric trace gases, Geophys. Res. Lett., 21(23), 2599-2602, 1994.

Traub, W.A., K.W. Jucks, D.G. Johnson, M.T. Coffey, W.G. Mankin and G.C. Toon, Comparison of column abundances from three infrared spectrometers during AASE2, Geophys. Res. Lett., 21(23), 2591-2594, 1994.

Webster, C.R., R.D. May, L. Jaeglé, H. Hu, S.P. Sander, M.R. Gunson, G.C. Toon, J.M. Russell III, R.M. Stimpfle, J.P. Koplow, R.J. Salawitch, and H.A. Michelson, Hydrochloric acid and the chlorine budget of the lower stratosphere, Geophys. Res. Lett., 21(23), 2575-2578, 1994.

Abrams, M.C., G.C. Toon, and R.A. Schindler, A Practical Example of the Correction of Fourier Transform Spectra for Detector Non-linearity, Appl. Opt., 33(27), 6307-6314, 1994.

Irion, F.W., M. Brown, G.C. Toon, and M.R. Gunson, Increase in Atmospheric CHF2Cl (HCFC-22) over Southern California from 1985 to 1990, Geophys. Res. Lett., 21(16), 1723-1726, 1994.

Toon, O.B., E.V. Browell, B.L. Gary, L. Lait, P. Newman, R. Pueschel, P. Russell, M. Schoeberl, G.C. Toon, W. Traub, F. Valero, H. Selkirk, and J. Jordan, Heterogeneous Reaction Probabilities, Solubilities, and Physical State of Cold Volcanic Aerosols, Science, 261(5125), 1136-1140, 1993.

Russell, P.B., J.M. Livingston, R.F. Pueschel, J.A. Reagan, E.V. Browell, G.C. Toon, P.A. Newman, M.R. Schoeberl, L.R. Lait, L. Pfister, Q. Gao, and B.M. Herman, Post-Pinatubo Optical Depth Spectra vs. Latitude and Vortex Structure: Airborne Tracking Sunphotometer in AASEII, Geophys. Res. Lett., 20(22), 2571-2574, 1993.

Toon, G.C., J.-F. Blavier, J.N. Solario, and J.T. Szeto, Airborne Observations of the Composition of the 1992 Tropical Stratosphere by FTIR Solar Absorption Spectrometry, Geophys. Res. Lett., 20(22), 2503-2506, 1993.

Toon, G.C., J.-F. Blavier, J.N. Solario, and J.T. Szeto, Airborne Observations of the 1992 Arctic Winter Stratosphere by FTIR Solar Absorption Spectroscopy, SPIE Proceedings, 1715, 457-467, 1992.

Bruegge, C.J., J.E. Conel, R.O. Green, J.S. Margolis, R.G. Holm, and G.C. Toon, Water Vapor Column Abundance Retrievals during FIFE, J. Geophys. Res., 97(D17), 18759-18768, 1992.

Toon, G.C., C.B. Farmer, P.W. Schaper, L.L. Lowes, and R.H. Norton, Evidence for Subsidence in the 1989 Arctic Winter Stratosphere from Airborne Infrared Composition Measurements, J. Geophys. Res.,97(D8), 7963-7970, 1992 .

Toon, G.C., C.B. Farmer, P.W. Schaper, L.L. Lowes, and R.H. Norton, Composition Measurements of the 1989 Arctic Winter Stratosphere by Airborne Infrared Solar Absorption Spectroscopy, J. Geophys. Res.,97(D8), 7939-7961, 1992.

Toon, G.C., The JPL MkIV Interferometer, Opt. Photonics News, 2, 19-21, 1991.

Yatteau, J.H., S.C. Wofsy, R.J. Salawitch, M.B. McElroy, M.R. Schoeberl, L,R, Lait, P.A. Newman, A. Torres, T. Jorgensen, W.G. Mankin, M.T. Coffey, G.C. Toon, M. Loewenstein, J. Podolske, S.E. Strahan, K.R. Chan, and M.H. Proffitt, Effects of Atmospheric Transport on Column Abundances of Nitrogen and Chlorine Compounds in the Arctic Stratosphere, Geophys. Res. Lett., 17(4), 533-536, 1990.

Kaye, J.A., A.R. Douglass, R.B. Rood, R.S. Stolarski, M.R. Schoeberl, P.A. Newman, D.J. Allen, E.M. Larson, M.T. Coffey, W.G. Mankin, and G.C. Toon, Three Dimensional Simultation of Hydrogen Chloride and Hydrogen Fluoride during the Airborne Arctic Stratospheric Expedition, Geophys. Res. Lett., 17, 529-532, 1990.

Wofsy, S.C., J.H. Yatteau, R.J. Salawitch, M.B. McElroy, G.C. Toon, W.B. Mankin, and M.T. Coffey, Heterogeneous Conversion of COF2 to HF in Polar Stratospheric Clouds, Geophys. Res. Lett., 17(4), 461-464, 1990.

Rodriguez, J.M., M.K.W. Ko, N.D. Sze, S.D. Pierce, J.G. Anderson, D.W. Fahey, K. Kelly, C.B. Farmer, G.C. Toon, M.T. Coffey, L.E. Heidt, W.G. Mankin, K.R. Chan, W.L. Starr, J.F. Vedder, and M.P. McCormick, Nitrogen and Chlorine Species in the Spring Antarctic Stratosphere: Comparison of Models with AAOE Observations, J. Geophys. Res., 94(D15), 16683-16703, 1989.

Toon, G.C., C.B. Farmer, L.L. Lowes, P.W. Schaper, J.-F. Blavier, and R.H. Norton, Infrared Aircraft Measurements of Stratospheric Composition over Antarctica during September 1987, J. Geophys. Res., 94(D14), 16571-16596, 1989.

Margitan, J.J., G.A. Brothers, E.V. Browell, D. Carriole, M.T. Coffey, J.C. Farmen, C.B. Farmer, G.L. Gregory, J.W. Harder, D.J. Hoffman, W. Hypes, S. Ismail, R.O. Jacoubek, W. Komhyr, S. Kooi, A.J. Kruger, J.C. Larsen, W. Mankin, M.P. McCormick, G.H. Mount, M.H. Proffitt, A.R. Ravishankara, A.L. Schmeltekopf, W.L. Starr, G.C. Toon, A. Torres , A.F. Tuck, A. Wahner, and I. Watterson, Intercomparison of Ozone Measurements over Antarctica, J. Geophys. Res., 94(D14), 16557-16569, 1989.

Kinne, S., O.B. Toon, G.C. Toon, C.B. Farmer, E.V. Browell, and M.P. McCormick, Measurements of Size and Composition of Particles in Polar Stratospheric Clouds from Infrared Solar Absorption Spectra, J. Geophys. Res., 94(D14), 16481-16491, 1989.

Toon, G.C., and C.B. Farmer, Detection of HOCl in the Antarctic Stratosphere, Geophys. Res. Lett., 16(12), 1375-1377, 1989.

Toon, G.C., C.B. Farmer, P.W. Schaper, J.-F. Blavier, and L.L. Lowes, Ground-based Infrared Measurements of Tropospheric Source Gases over Antarctica during the 1986 Austral Spring, J. Geophys. Res., 94(D9), 11613-11624, 1989.

Farmer, C.B., G.C. Toon, P.W. Schaper, J.-F. Blavier, and L.L. Lowes, Stratospheric Trace Gases in the Spring 1986 Antarctic Atmosphere, Nature, 329(6135), 126-130, 1987.

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