Conference Papers

Newchurch, M., A. Biazar, D. Bowdle, K. Doty, K. Fuller, N. Gillani, D. McNider, B. Norris, V. Srivastava, M. Ayoub, S. Kuang, X. Liu, J. Song, D. Sun, and Y. Yu, Atmospheric Chemistry at UAH, Physics Department, UAH, Huntsville, AL, January 25, 2003.

Bowdle, D.A., High-Performance Fourier Transform Infrared Spectrometer: A Versatile Modular Interdisciplinary Instrument in the Regional Atmospheric Profiling Center for Discovery, NASA/UAH Atmospheric Science "Brown Bag" Seminar, Huntsville, AL, December 4, 2002.

Liu, X., Ozone Retrieval Errors Associated with Clouds in Total Ozone Mapping Spectrometer (TOMS) Data, Ph.D. Dissertation Defense, Huntsville, AL, November 15, 2002.

Newchurch, M., M. Ayoub, S. Oltmans, B. Johnson, F. Schmidlin, Vertical Distribution of Ozone at Four Sites in the United States, Aura Validation Meeting, Boudler, CO, September 17, 2002.

Liu, X., M. Newchurch, J. Kim, Lower-tropospheric Ozone Derived from TOMS V7 Level-2 Data, Aura Validation Meeting, Boulder, CO, September 17, 2002.

Liu, X., M. Newchurch, J. Kim, TOMS Accuracy over High Convective Cloudy Areas, Aura Validation Meeting, Boulder, CO, September 17, 2002.

Liu X., M. Newchurch, R. Loughman, P. K. Bhartia, TOMS Ozone Retrieval Sensitivity to Assumption of Lambertian Cloud Surface (II), Aura Validation Meeting, Boulder, CO, September 17, 2002.

Liu X., M. Newchurch, R. Loughman, P. K. Bhartia, TOMS Ozone Retrieval Sensitivity to Assumption of Lambertian Cloud Surface (I), Aura Validation Meeting, Boulder, CO, September 17, 2002.

Newchurch M., D. Sun, X. Liu, J. H. Kim, R.V. Martin, D. Jacob, J. Logan, K. Han, S. Na, Critical Assessment of TOMS-derived Tropospheric Ozone: Comparisons with Other Measurements and Model Evaluation of Controlling Processes, Aura Validation Meeting, Boulder, CO, September 17, 2002.

Newchurch, M., D. Bowdle, Regional Atmospheric Profiling Center for Discovery (RAPCD) at the Global Hydrology and Climate Center: Status and Plans, Working Group on Space-Based Lidar Winds to be held in North Conway, New Hampshire, July 15-18, 2002.

Newchurch, M.J., X. Liu, D. Sun, M. Ayoub, R. Martin, J.H. Kim, Tropical Tropospheric Ozone from TOMS, Sondes, GOME, and Models: How well do we understand?, invited talk, Harvard University, May 17, 2002.

Liu, X., R. Loughman, P.K. Bhartia, TOMS Ozone Retrieval Errors Associated with Clouds, Harvard-Smithsonian Center for Astrophysics, Cambridge, April 18-19, 2002.

Newchurch, M., M. Ayoub, S. Oltmans, B. Vasel, B. Johnson, R. McNider, Ozonesondes During TexAQS 2000, 82nd Annual AMS Spring Meeting, January 2002.

Ayoub, M., M. J. Newchurch, S. Oltmans, B. Vasel, B. Johnson, R. McNider, Daily Variability in Tropospheric Ozone Profiles at TexAQS Within the Context of a  US Tropospheric Ozone Climatology, 82nd Annual AMS Spring Meeting, January 2002.

Liu, X., M. Newchurch, R. Laughman, P.K. Bhartia, TOMS Ozone Retrieval of Lambertian Cloud Surface Part 1. Scattering Phase Function, TOMS Science Meeting, Greenbelt, MD, October, 2001.

Liu, X., M. Newchurch, R. Laughman, P.K. Bhartia, TOMS Ozone Retrieval of Lambertian Cloud Surface Part 2. In-cloud Multiple Scattering, TOMS Science Meeting, Greenbelt, MD, October, 2001.

Newchurch, M., et al., Regional Atmospheric Profiling Center for Discovery (RAPCD): Validating EOS Satellite Ozone Measurements, EOS IWG, San Antonio, TX, October, 2001.

Newchurch, M., X. Liu, J.H. Kim, P.K. Bhartia, Accuracy of TOMS Retrievals over Cloudy Regions, October, 2001.

Newchurch, M., D. Sun, X. Liu, J.H. Kim, R.V. Martin, D. Jacob, J. Logan, K. Han, S. Na, Critical Assessment of TOMS-derived Tropospheric Ozone: Comparisons with Other Measurements and Model Evaluation of Controlling Processes, TOMS Science Team Meeting, Greenbelt, MD, October, 2001.

Newchurch, M., M. Ayoub, A. Biazar, D. Bowdle, S. Christopher, K. Fuller, N. Gillani, Q. Han, K. Knupp, X. Liu, D. McNider, D. Sun, J. Fix, M. Jarzembski, B. Lapenta, J. Rothermel, P.K. Bhartia, T. McGee, M. Hardesty, V. Srivastava, Regional Atmospheric Profiling Center for Discovery (RAPCD), National Space Science and Technology Center, Huntsville, AL, October 2001.

J.H. Kim, S.M. Na, M.J. Newchurch, Distribution of Tropospheric ozone using Scan-Angle-Geometry Method, Korean Met. Soc., 2001.

Ayoub, M., M. J. Newchurch, B. Vasel, B. Johnson, S. Oltmans, R. McNider, Vertical Ozone Profiles at TexAQS 2000, Texas 2000 Air Quality Study (TexAQS 2000) Science Team Meeting, August 7-10, 2001.

M. Newchurch, D. Sun, X. Liu, L. Emmons, D. Kinnison, X. X. Tie, L. Horowitz, J. H. Kim, K. Han, S. Na, G. Brasseur, D. Jacob, J. Logan, R.V. Martin, Tropical Tropospheric Ozone: Global Measurements and Modeling, measurement/model comparison seminar at NCAR, Boulder, CO, July 20, 2001.

M. Newchurch, et. al., Regional Atmospheric Profiling Center for Discovery (RAPCD): Request for community critique, measurement/model comparison seminar at NCAR, Boulder, CO, July 20, 2001.

M. Newchurch, D. Sun, X. Liu, L. Emmons, L. Horowitz, J. H. Kim, D. Kinnison, G. Brasseur, D. Jacob,J. Logan, R.V. Martin, K. Han, S. Na, Critical Assessment of TOMS-derived Tropospheric Ozone: Comparisons with Other Measurements and Model Evaluation of Controlling Processes, Eos. Trans. AGU, 82 (20), Spring Meet. Suppl., Abstract A52A-09, 2001.

Cunnold, D.M., J.M. Zawodny, L.W. Thomason, E. Yang, M. Newchurch, Ozone validation and trends near the tropopause from SAGE V6.0 observations, Eos. Trans. AGU, 82 (20), Spring Meet. Suppl., Abstract A52A-12, 2001.

Cunnold, D.M., H. Wang, E. Yang, M.J. Newchurch, Investigation of upper-stratospheric ozone trends and hemispheric asymmetries in SAGE II version 6.0, Eos. Trans. AGU, 82 (20), Spring Meet. Suppl., Abstract A52B-04, 2001.

Kim, J.H., M.J. Newchurch, and K. Han, Distribution of tropical tropospheric ozone directly determined from TOMS scan angle geometry, Proceedings of the Quadrennial Ozone Symposium, Sapporo, 2000.

Kim, J.H., M.J. Newchurch, and K. Han, Distribution of tropical tropospheric ozone directly determined from TOMS measurements, Proceeding of Atmospheric Science and Application to Air Quality, Taipei, 2000.

Herwehe, J. A., R. T. McNider, and M. J. Newchurch, A numerical study of the effects of large eddies on photochemistry in the convective boundary layer. In Preprints of the AMS 14^th Symposium on Boundary Layers and Turbulence, 7-11 August 2000, Aspen, Colorado, 2000.

Newchurch, M.J., J. H. Kim, D. Sun, X. Liu, A. Thompson, Tropical Tropospheric Ozone from a Variety of TOMS-derived Techniques and Ozonesondes, AGU Spring Meeting, Washington DC, 29 March – 2 June, 2000.

Kim, J., M.J. Newchurch, K. Han, Distribution of Tropospheric Ozone Column Determined Directly from TOMS Measurements, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Liu, X., M.J. Newchurch, J.H. Kim, Lower-tropospheric Ozone Derived from TOMS V7 Level-2 Data, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Liu, X., M.J. Newchurch, D. Sun, J.H. Kim, TOMS Accuracy over High Convective Cloudy Areas, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Liu, X., M.J. Newchurch, J.H. Kim, Occurrence of TOMS V7 Level-2 Ozone Anomalies over Cloudy Areas, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Newchurch, M.J., M. Ayoub, B. Johnson, S. Oltmans, Huntsville, Alabama Ozonesonde Station, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Newchurch, M.J., X. Liu, D. Sun, J.H. Kim, Report to the TOMS Science Team, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Sun, D., M.J. Newchurch, J.H. Kim, The Stratospheric Ozone Wave in Tropical Area, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Sun, D., M.J. Newchurch, X. Liu, J.H. Kim, Tropical Tropospheric Ozone Using Clear-Cloudy Pairs (CCP) of TOMS Measurements, TOMS Meeting, Huntsville, AL 3-5 May, 2000.

Ayoub, M., M.J. Newchurch, D. McNider, Variations in Upper-atmospheric Ozone as Seen with the Daily Ozonesondes, SOS Data Analysis Workshop, Research Triangle Park, NC 8-10 March, 2000.

Newchurch, M.J., M. Ayoub, D. McNider, Conjectures on processes controlling measured ozone profiles in Nashville 1999, Weather Research and Forecasting Model Workshop, NCAR, Boulder, CO, 6-8 March, 2000.

Newchurch, M.J., Umkehr Ozone Validation Considerations, Umkehr Review Meeting, World Ozone and Ultraviolet Data Center, Toronto, Canada, 17 November, 1999.

Newchurch, M.J., Tropical Tropospheric Ozone Observations, invited talk, GHCC, Huntsville, AL, October 13, 1999.

Newchurch, M.J., Ozone Profiles and Trends; NO₂ Comparisons, Report to the SAGE II Science Team, Hampton, VA, 16-17 August, 1999.

Newchurch, M. J. and D. A. Bowdle, Particulate Retrievals from ATMOS Solar Occultation Spectra, ATMOS Science Team Meeting, Pasadena, CA, 27 May, 1999.

Newchurch, M. J. and L. Emmons, ATMOS, MOZART and Data Composites, ATMOS Science Team Meeting, Pasadena, CA, 27 May, 1999.

Newchurch, M. J., ATMOS-SAGE NO2 Comparisons, ATMOS Science Team Meeting, Pasadena, CA, 27 May, 1999.

Newchurch, M. J., X. Liu, D. Sun, Jae Kim, Report to the TOMS Science Team, GSFC, Greenbelt, MD, 7-8 April, 1999.

Newchurch, M.J., Dobson and Brewer Umkehr Ozone-profile Measurements, Workshop by USGCRP Ozone/Atmospheric Chemistry Group and OFCM Working Group on Monitoring the Stratosphere Maintaining Continuity in Space-Based Ozone Data in 2000-2003 Time Frame, invited talk, World Weather Building, Camp Springs, MD, 4 February, 1999.

Newchurch, M. J., and J.H. Kim, Biomass-burning Influence on Tropical Tropospheric Ozone AGU Fall Meeting, San Francisco, CA, 8 December 1998

Newchurch, M.J., et al., Stratospheric Ozone Trends: Results from the IOC/SPARC Ozone Trends Assessment and the WMO/UNEP 1998 Assessment, invited talk, GHCC, Huntsville, AL, November 1998.

Newchurch, M.J., et al., Stratospheric Ozone Trends: Summary of the IOC/SPARC Ozone Trends Assessment, invited talk, NCAR, Boulder CO, June 1998.

Newchurch, M.J., et al., Trends in Upper-stratospheric Ozone, invited talk, AGU spring meeting, Boston, MA, 27 May 1998.

Newchurch, M.J., The ozone deficit, invited talk, NCAR, Boulder, CO, April 1998.

Newchurch, M. J., Report to the TOMS Science Team, GSFC, Greenbelt, MD, 20-22 April, 1998.

Newchurch, M. J., Report to the SAGE II Science Team: SAGE and Umkehr Ozone Profiles and Trends, Hampton University, Hampton, VA, 12 February, 1998.

Yang, Eun-Su and M. J. Newchurch, A Multivariate Auto-regressive Combined Harmonics (MARCH) Approach to Time Series Data, invited talk, NCAR, Boulder, CO, 6 February, 1988.

Kim, Jae Hwan, M. J. Newchurch, R. D. Hudson, and A. Thompson, On the Derivation of Tropospheric Ozone from TOMS Measurements, invited talk, NCAR, Boulder, CO, 2 February, 1998.

Newchurch, M. J. and J. H. Kim, Derivation of Tropospheric Ozone Climatology and Trends from TOMS Data, presented at Yonsei University, Seoul, Korea, 16 December 1997.

Newchurch, M. J. and J. H. Kim, Biomass-Burning Influence on TOMS-derived Tropospheric Ozone in the Tropics, AGU Fall Meeting, San Francisco, CA, 8 December 1997.

Newchurch, M. J. and E. S. Yang, Upper-stratospheric Ozone Trends, presented at SPARC/IOC Review Meeting on Trends in the Vertical Distribution of Ozone, Cosener's House, Abingdon, U.K., 14-16 October 1997.

Newchurch, M. J. and E. S. Yang, Stratospheric Ozone Trends Measured by Dobson/Umkehr, SAGE and SBUV, presented at POAM Science Team Meeting, Cool Font, West Virginia, 8-10 October, 1997.

Newchurch, M. J. , and J. H. Kim, Biomass-Burning influence on tropospheric ozone over New Guinea and South America, presented at the Gordon Research Conference on Atmospheric Chemistry, Newport, Rhode Island, June, 1997.

Newchurch, M. J. , and J. H. Kim, Biomass-Burning influence on tropospheric ozone over New Guinea and South America, presented at the IGAC-SPARC-GAW Conference on Global Measurement Systems for Atmospheric Composition, Toronto, Canada, May 20-22, 1997.

Newchurch, M. J., D. Cunnold, C. Mateer, J. Cao, Umkehr[64] and Umkehr[92] ozone profiles and time series compared to SAGE, presented at IGAC-SPARC-GAW Conference on Global Measurement Systems for Atmospheric Composition, Toronto, Canada,. May 20-22, 1997.

Newchurch, M. J., 67 years of Dobson Umkehr Observations: An Overview, presented at SPARC/IOC Meeting on Trends in the Vertical Distribution of Ozone, Observatoire de Haute Provence Saint Michel l'Observatoire, France, July 8-12, 1996.

Newchurch, M. J., D. Cunnold, and J. Cao, Umkehr and SAGE Ozone Profile Comparisons, presented at SPARC/IOC Meeting on Trends in the Vertical Distribution of Ozone, Observatoire de Haute Provence Saint Michel l'Observatoire, France, July 8-12, 1996.

Newchurch, M. J. and E. S. Yang, Some Considerations in Deriving Umkehr Ozone Trends, presented at SPARC/IOC Meeting on Trends in the Vertical Distribution of Ozone, Observatoire de Haute Provence Saint Michel l'Observatoire, France, July 8-12, 1996.

Newchurch, M. J., Umkehr and SAGE ozone: retrieval and a priori differences at 15 stations, paper presented at NOAA/CMDL annual meeting, Boulder, CO, March 6-7, 1996.

Newchurch, M. J., D. M. Cunnold, M. Allen, and B. M. Herman, SAGE-Umkehr Ozone Profile Analyses, paper presented at DOE Atmospheric Chemistry Program Annual Meeting, Vienna, VA, December 5-7, 1995

Abbas, M. J., H. A. Michelsen, M. R. Gunson, M. C. Abrams, M. J. Newchurch, A. Y. Chang, A. Goldman, F. W. Irion, G. L. Manney, E. J. Moyer, R. Nagaraju, C. P. Rinsland, R. J. Salawitch, G. P. Stiller, and R. Zander, Hydrogen Budget of the Stratosphere from ATMOS/ATLAS Measurements of Water Vapor and Methane, paper presented at AGU Fall Meeting, San Francisco, CA, December 11-15, 1995.

Abrams, M. C., M. R. Gunson, and M. J. Newchurch, ATMOS/ATLAS Observations of ozone and temperature in the middle atmosphere, paper presented at XXI General Assembly of IUGG, Boulder, CO, July 2-14, 1995.

Newchurch, M. J., D. M. Cunnold, M. Allen, and B. Herman, Old and new Umkehr ozone profiles compared to SAGE II: Measurements and radiative transfer calculations, paper presented at XXI General Assembly of IUGG, Boulder, CO, July 2-14, 1995.

Newchurch, M. J., and D. M. Cunnold, SAGE II and Umkehr ozone measurements in the lower stratosphere, paper presented at International Conference on Ozone in the Lower Stratosphere, Halkidiki, Greece, May 15-20, 1995.

Chang, A. Y., R. J. Salawitch, M. R. Gunson, H. A. Michelson, M. C. Abrams, C. P. Rinsland, R. Zander, M. J. Newchurch, M. M. Abbas, G. P. Stiller, F. W. Irion, Lifetimes of atmospheric source gases inferred from ATMOS measurements, paper presented at 5th Annual Meeting on Atmospheric Effects of Aviation Project, Virginia Beach, VA, April 23 - 28, 1995.

Gunson, M. R., A. Y. Chang, H. A. Michelson, R. J. Salawitch, M. C. Abrams, C. P. Rinsland, R. Zander, M. J. Newchurch, M. M. Abbas, G. P. Stiller, and F. W. Irion, A comparison of ATMOS and ER-2 gas measurements during November 1994, paper presented at 5th Annual Meeting on Atmospheric Effects of Aviation Project, Virginia Beach, VA, April 23 - 28, 1995.

Newchurch, M. J. Comparisons of old and new Umkehrs to SAGE II ozone profiles and some preliminary ATMOS results, paper presented at NOAA/CMDL annual meeting, Boulder, CO, March 7-10, 1995.

Newchurch, M. J., D. M. Cunnold, M. Allen, and B. M. Herman, SAGE-Umkehr Ozone analyses and related research, paper presented at DOE Atmospheric Chemistry Program, Seattle, WA, October 18-19, 1994.

Newchurch, M. J., Report to the SAGE II Science Team, paper presented at SAGE II Science Team Meeting, Langley Research Center, Hampton, VA, June 16, 1994.

Newchurch, M. J., D. M. Cunnold, M. Allen, and B. M. Herman, SAGE-Umkehr Ozone analyses, paper presented at DOE Atmospheric Chemistry Program, Nashville, TN, January 19-20, 1994.

Newchurch, M. J., M. Allen, and R. Stachnik, Stratospheric chlorine partitioning modeling with SL-3 ATMOS and Balloon Microwave Limb Sounding measurements, paper presented at AGU Fall Meeting, San Francisco, CA, December 6-10, 1993.

Newchurch, M. J., Empirical and theoretical study of Umkehr ozone profiles and aerosol effects using SAGE II data, paper presented at SAGE II Science Team Meeting, Langley Research Center, Hampton, VA, June 16-18, 1993.

Newchurch, M. J., and D. M. Cunnold, SAGE II-Umkehr case study of ozone differences and aerosol effects from October 1984 to April 1989, paper presented at Quadrennial Ozone Symposium, Charlottesville, VA, June 8-11, 1992.

Newchurch, M. J., G. P. Kubic, V. L. Griffin, and J. Piccirillo, Visible Earthlimb Radiance Profiles, paper presented at Midcourse Phenomenology Symposium, Huntsville, AL, August 6-8, 1991.

Newchurch, M. J., and D. M. Cunnold, Comparison of SAGE II and Umkehr ozone profiles as functions of stratospheric optical depth, total ozone, season, and tropopause height, paper presented at the Topical Meeting on Optical Remote Sensing of the Atmosphere, Optical Society of America, Lake Tahoe, NV, February 11-16, 1990.

Griffin, V. L., and M. J. Newchurch, A comparison of AVHRR radiances with airborne radiometer measurements, paper presented at the Topical Meeting on Optical Remote Sensing of the Atmosphere, Optical Society of America, Lake Tahoe, NV, February 11-16, 1990.

Schmidt, E. O., and M. J. Newchurch, Analysis of radiometric knees using LOWTRAN, paper presented at Cloud Impacts on DoD Operations and Systems 1989/90, Monterey, California, January 8-12, 1990.

Griffin, V. L., and M. J. Newchurch, A comparison of AVHRR radiances with airborne radiometer measurements, paper presented at Cloud Impacts on DoD Operations and Systems 1989/90 , Monterey, California, January 8-12, 1990.

Newchurch, M. J., V. L. Griffin, and J. S. Gothart, Climatology and characterization of tropical cirrus cloud radiometric properties, paper
presented Cloud Impacts on DoD Operations and Systems, NSWC, White Oak, MD, October 18-20, 1988.

Griffin, V. L., and M. J. Newchurch, Geophysical database for Thrusted Vector program, Cloud Impacts on DoD Operations and Systems, NSWC, White Oak, MD, October 18-20, 1988.

Newchurch, M. J., G. W. Grams, D. M. Cunnold, J. J. DeLuisi, A comparison of SAGE I and Umkehr ozone profiles including a search for Umkehr aerosol effects, paper presented at Quadrennial Ozone Symposium, Gottingen, Federal Republic of Germany, August 8-13, 1988.

Newchurch, M. J., 1988: Geophysical Database for SDI (Classified), paper presented Passive Optical Signatures Symposium, Huntsville, Alabama, May 10-12, 1988.