T.P. Kurosu, K. Chance, X. Liu, I. DeSmedt, M. van Roozaendael, A. Richter, S. Kuhl, OMI HCHO, BrO, OCLO, Validation Status and Outlook, URA science team meeting, Pasadena, CA, October 1-5.

Liu, X., P.K. Bhartia, K. Chance, T.P. Kurosu, R.J.D. Spurr, Validation of OMI UV radiances and ozone profiles with MLS data, AURA science team meeting, Pasadena, CA, October 1-5 [Presentation].

Susan S. Kulawik, Xiong Liu, John R. Worden, Kelly Chance, Kevin Bowman, and the TES team, Optimally combining ozone from TES and OMI data, AURA science team meeting, Pasadena, CA, October 1-5.

Liu, X., Ozone Profiles and Tropospheric Ozone Retrievals from UV measurements, University of Alabama In Huntsville, Huntsville, AL, October 10 [Presentation (ppt)].

Liu, X., Ozone Profiles and Tropospheric Ozone Retrievals from UV measurements, NASA GSFC Code 613.3 Lunch Talk, Greenbelt, MD, September 13 [Presentation].

Kelly Chance, Thomas P. Kurosu, Xiong Liu, Doreen O. Neil, James, J. Szykman, Jack Fishman, R. Bradley Pierce, James H. Crawford, David Edwards, Gary Foley, and Rich Scheffe, Global monitoring of tropospheric pollution from Geostationary orbit, Gordon conference of Atmospheric Chemistry, Big Sky, MT, August 26-31, 2007.

Liu, X., Ozone Profiles and Tropospheric Ozone Retrievals from UV measurements, JPL, Pasadena, CA, August 13, 2007 [Presentation].

Liu, X., K. Chance, L. Zhang, T.P. Kuosu, J.R. Worden, K.W. Bowman, Pawan K. Bhartia, D.J. Jacob, Ozone Profiles and Tropospheric Ozone Retrievals from OMI, OMI International Science Team Meeting 2007, UMBC, Baltimore, MD, June 5-8.

Liu, X., L. Zhang, K. Chance, J.R. Worden, K.W. Bowman, T.P. Kurosu, D.J. Jacob, Cross-evaluation of OMI, TES and GEOS-Chem tropospheric ozone, 3rd GEOS-Chem Users’ Meeting, Cambridge, MA, April 11-13.

2006

Jaffe, D.,  X. Liu, K. Chance, L. Emmons and P. Novelli, Influence of large scale fires on NH O3 and CO as seen by Satellite and In-situ Observations, AGU Fall Meeting 2006.

Liu, X.,  Ozone profile and tropospheric ozone retrievals from GOME UV measurements, University of Toronto, Toronto, Canda.

Liu, X.,  An eight-year record of ozone profiles and tropospheric column ozone from GOME, Institute of Atmospheric Physics, CAS, Beijing, China.

Liu, X., An eight-year record of ozone profiles and tropospheric column ozone from GOME, National Satellite Meteorological Center, CMA, Beijing, China.

Liu, X., K. Chance, and C.E. Sioris, Impact of using different ozone cross sections on ozone profile retrievals from GOME ultraviolet measurements, The 9th HITRAN Database Conference, Cambridge, MA. [Poster (pdf)]

Liu, X., K. Chance, N. Moore, R.V., Martin, D. Jones, Global observations of sulfur dioxide from GOME, the 36th COSPAR Scientific Assembly, Beijing, China. [Presentations (ppt)]

Liu, X., K. Chance and T.P. Kurosu, An eight-year record of ozone profiles and tropospheric column ozone from GOME, the 36th COSPAR Scientific Assembly, Beijing, China. [Presentations (ppt)]

Liu, X. Ozone Profile and Tropospheric Ozone Retrieval from GOME, Ozone Profile Retrieval Workshop, SSAI, Lanham, MA. [Presentations (ppt)]

Liu, X. Ozone Profile and Tropospheric Ozone Retrieval from GOME, Ozone Profile Retrieval Workshop, NOAA/NESDIS, Camp Spring, MD.

Liu, X., K. Chance, C.E. Sioris, T.P. Kurosu, R.J.D. Spurr, R.V. Martin, M.J. Newchurch, T.M. Fu, J.A. Logan, D.J. Jacob, P.I. Palmer, I.A. Megretskaia, R. Chatfield, Directly Retrieved Global Distribution of Tropospheric Column Ozone, Air Quality Remote Sensing Workshop, Boulder. [Poster (ppt)]

2005

Liu, X., K. Chance, C.E. Sioris, T.P. Kurosu, Ozone profile and tropospheric ozone retrieval from SCIAMACHY nadir measurements, San Francisco, AGU 2005 Fall Meeting [Poster (ppt)]

K. Chance, X. Liu, C.E. Sioris, T.P. Kurosu, M.J. Newchurch, Intercomparison of GOME, ozonesonde, and SAGE-II measurements of ozone: Demonstration of the need to homogenize available ozonesonde datasets, San Francisco, AGU 2005 Fall Meeting [Poster (ppt)]

Noguchi,K., N. Urita, E. Ohta, S. Hayashida, A. Richter, J.P. Burrows, X. Liu, K. Chance, J.R. Ziemke, Intercomparison among tropospheric ozone and nitrogen dioxide data obtained by satellite- and ground-based measurements, San Francisco, AGU 2005 Fall Meeting

K. Chance, Liu X., C.E. Sioris, T.P. Kurosu, R.J.D. Spurr, R.V. Martin, M. Fu, J.A. Logan, D.J. Jacob, P.I. Palmer, M.J. Newchurch, I. Megretskaia, R. Chatfield, First directly retrieved global distribution of tropospheric column ozone: comparison with the GOES-CHEM model, AGU 2005 Spring Meeting.

Liu X., K. Chance,M. Deland, P.K. Bhartia, Ozone profile retrieval from SBUV sweep mode data: Preliminary results, TOMS/SBUV meeting, May 11, 2004 [Presentation (ppt)].

Liu X., K. Chance, C.E. Sioris, T.P. Kurosu, R.J.D. Spurr, R.V. Martin, M. Fu, J.A. Logan,  I. Megretskaia, M.J. Newchurch, P.I. Palmer, D.J. Jacob, R. Chatfield, P.K. Bhartia, Cross-evaluation of GOME and GEOS-CHEM Tropospheric Column Ozone Observations, 2nd-GEOS-CHEM Users’ Meeting, Harvard University, Cambridge, USA, 2005. [Presentation (ppt)].

2004

Liu, X., Direct tropospheric ozone retrieval from GOME, Atmospheric Chemistry & Modeling Group, Harvard University, Cambridge, MA 2004. [Presentation (ppt)].

Liu, X., K. Chance, C.E Sioris, R.J.D. Spurr, T.P. Kurosu, and M.J. Newchurch, P.K. Bhartia, Direct tropospheric ozone retrieval from GOME, AGU Fall 2004 Meeting, San Francisco, 2004. [Presentation (ppt)].

Chance, K., X. Liu, R. Spurr, T. Kurosu, C. Sioris, and M.J. Newchurch, P.K. Bhartia, Ozone Profile Retrieval from Global Ozone Monitoring Experiment (GOME), Salzburg Envisat Symposium, Austria, 2004. [Conference paper (pdf)].

Liu, X., K. Chance, C.E Sioris, R.J.D. Spurr, T.P. Kurosu, and M.J. Newchurch, P.K. Bhartia, Direct tropospheric ozone retrieval from GOME: algorithm description, validation, and global distribution, INTEX-EMIS Meeting, Concord, New Hampshire, 2004. [Presentation (pdf)]

Liu, X., C.E. Sioris, K.V. Chance, T.P. Kurosu, M.J. Newchurch, R.V. Martin, P.I. Palmer, Tropospheric ozone profile retrievals from an airborne UV/Visible Spectrometer, Proceedings of the XX Quadrennial Ozone Symposium, 1, 573-574, Kos, Greece, 2004. [Poster (pdf)] [Full Text (pdf)]

Chance, K.V., X. Liu, R.J.D. Spurr, T.P. Kurosu, C.E. Sioris, and M.J. Newchurch, P.K. Bhartia, Ozone profile retrieval from Global Ozone Monitoring Experiment (GOME), Proceedings of the XX Quadrennial Ozone Symposium, 1, 483-484, Kos, Greece, 2004. [Poster (pdf)] [Full Text (pdf)]

2003

Liu, X., M.J. Newchurch, R. Loughman, and P. K. Bhartia, and J.H. Kim, TOMS Ozone Anomalies and Ozone Retrieval Errors Over Cloudy Areas, Eos Trans AGU, Fall Meet. Suppl., San Francisco, 2003. [Poster (pdf)]

Wang, J., S A. Christopher, X. Liu, Jeffrey S. Reid, Elizabeth Reid, Hal Maring, The effect of non-sphericity on GOES-8 dust aerosol retrievals during PRIDE, to be presented at AGU Fall Conference, Eos Trans AGU, Fall Meet. Suppl., San Francisco, 2003 [Poster (pdf)]

Newchurch, M.J., X. Liu, M., R. Loughman, and P.K. Bhartia, Ozone Retrieval Errors Associated with Clouds in Total Ozone Mapping Spectrometer (TOMS) Data, TOMS Science Meeting, Boulder, CO, April 22-24, 2003. [Presentation (pdf)]

X. Liu, M.J. Newchurch, R. Loughman, P.K. Bhartia, J.H. Kim, Ozone Retrieval Errors Associated with Clouds in Total Ozone Mapping Spectrometer (TOMS) Data, Jackson State University, MS, 2003. 

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. [Presentation (pdf)]

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

Liu, X., M. Newchurch, J. Kim, TOMS Accuracy over High Convective Cloudy Areas, Aura Validation Meeting, Boulder, CO, September 17, 2002. [Poster (pdf)]

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. [Poster (pdf)]

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. [Poster (pdf)]

Newchurch M., D. Sun, X. Liu, J. H. Kim, R.V. Martin, D. Jacob, J. Logan, K. Han, S. Na, Comparisons with Other Measurements and Model Evaluation of Controlling Processes, Aura Validation Meeting, Boulder, CO, September 17, 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., M. Newchurch, R. Loughman, P.K. Bhartia, TOMS Ozone Retrieval Errors Associated with Clouds, Harvard-Smithsonian Center for Astrophysics, Cambridge, April 18-19, 2002. [Presentation (pdf)]

1999-2001

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

Newchurch, M.J., X. Liu, D. Sun, M. Ayoub, K. Fuller, D. Bowdle, G. Brasseur, L. Emmons, L. Horowitz, J. Kim, P.K. Bhartia, R. McPeters, Tropospheric Ozone and the NSSTC Regional Atmospheric Profiling Center for Discovery (RAPCD), National Space Science and Technology Center, Huntsville, AL, February 21, 2001.

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

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