Education

M.S.     Chemistry, Harvard University, 1990

S.B.        Life Sciences, Massachusetts Institute of Technology, 1988

Professional Experience

1996 - 2003            Assistant Professor, University of Colorado, Program in Atmospheric and Oceanic Sciences and
                                        Laboratory for Atmospheric and Space Physics

1995-6                    Lecturer, University of California at Irvine, Department of Chemistry

1995-6                    Adjunct Professor, Concordia University, Department of Natural Sciences

1993-6                    Postgraduate Researcher, University of California at Irvine, Department of Earth System Science
                                           Advisor: Michael J. Prather

1988-93                   Graduate Researcher, Harvard University, Department of Chemistry

1985-88                    Undergraduate Research Assistant, Massachusetts Institute of Technology,
                                            Department of Applied Biology

Teaching Experience

Spring 2004 - Critical Issues in Climate and Policy, ATOC 4800/5000
Spring 2003 - Critical Issues in Climate and Policy, ATOC 4800
Spring 2002 - Special Topics:  (graduate), ATOC 7500
Spring 2001 - Policy Implications of Climate Controversies, ATOC 4800
                    - Policy Responses to Global Climate Change (graduate), ARSC 5020
Fall 2000     - Air Chemistry and Pollution, ATOC 3500
Fall 1999     - Air Chemistry and Pollution, ATOC 3500
Spring 1999 - Weather and the Atmosphere, ATOC 1050
Spring 1998 - Atmospheric Chemistry (graduate), CHEM/ATOC 5151
                    - Policy Implications of Climate Controversies, ATOC 4800
Fall 1997      - Air Chemistry and Pollution, ATOC 3500
Spring 1997 - APAS 4800

University of California at Irvine (Lecturer)

Chemistry 1A
Chemistry 1C

Concordia University (Adjunct Professor)

Science 101 - Introduction to Earth Science

Harvard University (Teaching Fellow)

Biochemistry 66 - Thermodynamics
Chemistry 151 - Statistical Mechanics
Chemistry 10 - Accelerated General Chemistry (also head TF)

Harvard University Extension School (Teaching Fellow)

Chemistry 1 - General Chemistry (also head TF)

Honors and Awards

Funding

National Science Foundation, In situ measurement of halogen oxides in the arctic troposphere, 4/96-3/97, $23,619.

Environmental Protection Agency, Early Career Research Award, Development of lightweight instrumentation for measurements of long-lived trace gases,
12/96-11/02, $466,074.

National Aeronautics and Space Administration, Atmospheric Effects of Aviation/Subsonic Assessment, Measurements of long-lived trace gases from commercial aircraft platforms: Instrument development, 1/97-2/02, $1,211,062.

National Aeronautics and Space Administration, UARS Mission Science Investigations, Studies of Tropical/Mid-Latitude Exchange Using UARS Observations, 10/97-9/01, $160,000.

National Science Foundation, PECASE: In situ measurements of halogen oxides in the troposphere and enhancement of graduate education in atmospheric sciences, 4/99 - 3/04, $500,000.

National Aeronautics and Space Administration, Earth System Science Fellowship Program, In Situ Measurements of Carbon Dioxide in the Upper Troposphere and Lower Stratosphere, 9/99 - 8/02, $66,000 (for Amelia Gates)

National Aeronautics and Space Administration, Cirrus Regional Study of Tropical Anvils and Cirrus Layers - Florida Area Cirrus Experiment (CRYSTAL-FACE), Measurements of "total water" and carbon dioxide from the NASA WB-57 for CRYSTAL-FACE, 11/01-10/03, $219,971.

National Aeronautics and Space Administration, Investigations that Contribute to the NASA Earth Science Enterprise's Multidisciplinary Research in Climate, Chemistry, and Global Modeling, Improvements to In Situ Measurements of Ice Water Content using Tunable Diode Laser Spectroscopy, 11/03-10/04, $114,882.

University of Colorado Outreach Council, The Weather Outside Our Windows, 9/03-8/04, $4987, (co-investigator with S. Laursen, CIRES).
 

Professional Service

College and University

Department and Laboratory

Member, Comps II committee: Jeffrey Hicke (APAS), Amelia Gates (ATOC), Laura Patrick (ATOC), Gannet Hallar (ATOC), Yannick Meillier (ATOC),
            John Ortega (ATOC), Cynthia Shaw (ATOC)
Chair, Comps II committee: Kari Klein (ATOC)
Member, Advancement to Candidacy committee: Lihua Wang (Mechanical Engineering)
Member, Ph.D. committee: Michael Mills (APAS), Brian Berland (Chemistry), Leah Goldfarb (Chemistry), Andrew Fusco (APAS), Madhurima Das (Civil
            Engineering), Laura Iraci (Chemistry), Rashid Khosravi (APS), Carla Kegley-Owen (Chemistry), Krishna Foster (Chemistry), Lori Del Negro
            (Chemistry), Lihua Wang (Mechanical Engineering), Amelia Gates (ATOC), Gannet Hallar (ATOC), Alice Delia (ATOC), Brett Thornton (Chemistry)
Member, M.S. committee: Kristi Hines (ATOC), Cindy Copeland (ENVS)
Member, Honors thesis committee: Margaret Wilson (Chemistry), John Paul Farrar (EPOB), Stacey McIlwaine (ATOC), Andrew Luxen (Political Science)
 

Professional Community

Publications

Peer-reviewed Journal Articles

D.W. Toohey, L.M. Avallone, M.R. Schoeberl, P.A. Newman, L.R. Lait, D.W. Fahey, E.L. Woodbridge and J.G. Anderson, 1993, The seasonal evolution of reactive chlorine in the northern hemisphere stratosphere, Science, 261, 1134.

P. Newman, L.R. Lait, M. Schoeberl, E.R. Nash, K. Kelly, D.W. Fahey, R. Nagatani, D. Toohey, L. Avallone, and J. Anderson, 1993, Stratospheric meteorological conditions in the arctic polar vortex, 1991 to 1992, Science, 261, 1143.

J.C. Wilson, H.H. Jonsson, C.A. Brock, D.W. Toohey, L.M. Avallone, D. Baumgardner, J.E. Dye, S. Borrmann, L.R. Poole, D.C. Woods, R.J. DeCoursey, M. Osborn, M.C. Pitts, K.K. Kelly, K.R. Chan, G.V. Ferry, M. Loewenstein, J.R. Podolske, and A. Weaver, 1993, In situ observations of aerosol  and chlorine monoxide after the 1991 eruption of Mount Pinatubo: Effect of reactions on sulfate aerosol, Science, 261, 1140.

C.R. Webster, R.D. May, D.W. Toohey, L.M. Avallone, J.G. Anderson, P. Newman, L. Lait, M.R. Schoeberl, J.W. Elkins, and K.R. Chan, 1993, Chlorine chemistry on polar stratospheric cloud particles in the arctic winter, Science, 261, 1130.

L.M. Avallone, D.W. Toohey, W.H. Brune, R.J. Salawitch, A.E. Dessler and J.G. Anderson, 1993, Balloon-borne in situ measurements of ClO and ozone: Implications for heterogeneous chemistry and mid-latitude ozone loss, Geophys. Res. Lett., 20, 1795.

D.W. Toohey, L.M. Avallone, N.T. Allen, J.N. Demusz, J.N. Hazen, N.L. Hazen, and J.G. Anderson, 1993, The performance of a new instrument for in situ measurements of ClO in the lower stratosphere, Geophys. Res. Lett., 20, 1791.

M.R. Schoeberl, A.R. Douglass, R.S. Stolarski, P.A. Newman, L.R. Lait, D. Toohey, L. Avallone, J.G. Anderson, W. Brune, D.W. Fahey, and K. Kelly, 1993, The evolution of ClO and NO along air parcel trajectories, Geophys. Res. Lett., 20, 2511.

L.M. Avallone, D.W. Toohey, M.H. Proffitt, J.J. Margitan, K.R. Chan, and J.G. Anderson, 1993, In situ measurements of ClO at mid-latitudes: Is there an effect from Mt. Pinatubo?, Geophys. Res. Lett., 20, 2519.

C.R. Webster, R.D. May, D.W. Toohey, L.M. Avallone, J.G. Anderson and S. Solomon, 1993, In situ measurements of the ClO/HCl ratio: Heterogeneous processing on sulfate aerosols and polar stratospheric clouds, Geophys. Res. Lett., 20, 2523.

D.W. Waugh, R.A. Plumb, R.J. Atkinson, M.R. Schoeberl, L.R. Lait, P.A. Newman, M. Loewenstein, D.W. Toohey, L.M. Avallone, C.R. Webster and R.D. May, 1994, Transport out of the lower stratospheric Arctic vortex by Rossby wave breaking, J. Geophys. Res., 99, 1071.

P.O. Wennberg, R.C. Cohen, R.M. Stimpfle, J.P. Koplow, J.G. Anderson, R.J. Salawitch, D.W. Fahey, E.L. Woodbridge, E.R. Keim, R.S. Gao, C.R. Webster, R.D. May, D.W. Toohey, L.M. Avallone, M.H. Proffitt, M. Loewenstein, J.R. Podolske, K.R. Chan and S.C. Wofsy, 1994,  Removal of stratospheric O₃ by radicals: In situ measurements of OH, HO₂, NO, NO₂, ClO and BrO, Science, 266, 398.

R.M. Stimpfle, J.P. Koplow, R.C. Cohen, D.W. Kohn, P.O. Wennberg, D.M. Judah, D.W. Toohey, L.M. Avallone, J.G. Anderson, R.J. Salawitch, E.L. Woodbridge, C.R. Webster, R.D. May, M.H. Proffitt, K. Aiken, J. Margitan, M. Loewenstein, J.R. Podolske, L. Pfister and K.R. Chan, 1994, The response of Cl_x  radical concentrations to variations in NO_x radical concentrations in the lower stratosphere, Geophys. Res. Lett.,  21, 2543.

L.M. Avallone, D.W. Toohey, S.M. Schauffler, W.H. Pollock, L.E. Heidt, E.L. Atlas and K.R. Chan, 1995, In situ measurements of BrO during AASE II, Geophys. Res. Lett., 22, 831.

L.M. Avallone and M.J. Prather, 1996, Photochemical evolution of ozone in the lower tropical stratosphere, J. Geophys. Res., 101, 1457.

J.W. Waters, W.G. Read, T.A. Lungu, L. Froidevaux, V.S. Perun, R.A. Stachnik, R.F. Jarnot, R.E. Cofield, E.F. Fishbein, D.A. Flower, J.R. Burke, J.C. Hardy, L.L. Nakamura, B.P. Ridenoure, Z. Shippony, R.P. Thurstans, L.M. Avallone and D.W. Toohey, 1996, Validation of UARS MLS ClO measurements, J. Geophys. Res., 101, 10091.

S. Borrmann, S. Solomon, L. Avallone, D. Toohey, and D. Baumgardner, 1997, The relationship between ClO and aerosol surface area in cirrus clouds and a volcanic plume near the midlatitude tropopause, Geophys. Res. Lett., 24, 2011.

L.M. Avallone and M.J. Prather, 1997, Tracer-tracer correlations: Three-dimensional model simulations and comparisons to observations, J. Geophys. Res.,102, 19,233.

L.M. Avallone and D.W. Toohey, 2001, Tests of halogen photochemistry using in situ measurements of ClO and BrO in the high latitude lower stratosphere, J. Geophys. Res, 106, 10,411.

P.J. Popp, B.A. Ridley, J.A. Neuman, L.M. Avallone, D.W. Toohey, P.F. Zittel, O. Schmid, R.L. Herman, R.S. Gao, M.J. Northway, J.C. Holecek, D.W. Fahey, T.L. Thompson, K.K. Kelly, J.G. Walega, F.E. Grahek, J.C. Wilson, M.N. Ross, and M.Y. Danilin, 2002, The emission and chemistry of reactive nitrogen species in the plume of an Athena II rocket, Geophys. Res. Lett., 29 (18), 1887, doi:10.1029/2002GL015197.

A.M. Gates, L.M. Avallone, D.W. Toohey, A. Rutter, P.D.  Whitefield, D.E. Hagen, A.R. Hopkins, M.N. Ross, T.L. Thompson, R.L. Herman, and R.R. Friedl, 2002, In situ measurements of carbon dioxide, 0.37 - 4.0 mm particles, and water vapor in the stratospheric plumes of three rockets, J. Geophys. Res., 107 (42), 4649, doi:10.1029/2002JD002121.

L.M. Avallone, D.W. Toohey, T.J. Fortin, K.A. McKinney, and J.D. Fuentes, 2003, In situ measurements of bromine oxide at two high-latitude boundary-layer sites: Implications of variability, J. Geophys. Res., 108 (D3), 4089, doi:10.1029/2002JD002843.

Y. Kondo, O.B. Toon, H. Irie, B. Gamblin, M. Koike, N. Takegawa, M.A. Tolbert, P.K. Hudson, A.A. Viggiano, L.M. Avallone, A.G. Hallar, B.E. Anderson, G.W. Sachse, S.A. Vay, D.E. Hunton, J.O. Ballenthin, and T.M. Miller, 2003, Uptake of reactive nitrogen on cirrus cloud particles in the upper troposphere and lowermost stratosphere, Geophys. Res. Lett., 30 (4), doi: 10.1029/2002GL016539

M.Y. Danilin, P.J. Popp, R.L. Herman, M.K.W. Ko, M.N. Ross, C.E. Kolb, D.W. Fahey, L.M. Avallone, D.W. Toohey, B.A. Ridley, O. Schmid, J.C. Wilson, D.G. Baumgardner, R.R. Friedl, T.L. Thompson, and J.M. Reeves, 2003, Quantifying uptake of HNO₃ and H₂O by alumina particles in Athena-2 rocket plume, J. Geophys. Res., 108 (D4), doi:10.1029/2002JD002601.

L.M. Avallone, 2003, Measurements of the temperature-dependent rate coefficient for the reaction O(³P) + NO₂ --> NO + O₂, J. Photochem. Photobio. A, 157 (2-3), 231, doi:10.1016/S1010-6030(03)00058-3.

B.F. Thornton, D.W. Toohey, L.M. Avallone, H. Harder, M. Martinez, J.B. Simpas, W.H. Brune, and M.A. Avery, 2003, In situ observations of ClO near the winter polar tropopause, J. Geophys. Res., 108 (D8), doi: 10.1029/2002JD002839

O. Schmid, J.M. Reeves, J.C. Wilson, C. Wiedinmyer, C.A. Brock, D.W. Toohey, L.M. Avallone, A.M. Gates, and M.N. Ross, 2003, Size-resolved particle emission indices in the stratospheric plume of an Athena II rocket, J. Geophys. Res., 108 (D8), doi:10.1029/2002JD002486.

A.G. Hallar, L.M. Avallone, R.L. Herman, B.E. Anderson, and A.J. Heymsfield, 2004, Measurements of ice water content in tropopause region arctic cirrus during the SAGE III Ozone Loss and Validation Experiment (SOLVE), J. Geophys. Res., 109, doi: 10.1029/2003JD004348.

Other Peer-Reviewed Publications

Chapter 6 (Atmospheric Observations) of the Atmospheric Effects of Stratospheric Aircraft: Interim Assessment Report of the High-Speed Research Program, contributing coauthor, 1993.

Chapter 4 (Tropical and Mid-latitude Stratosphere) of the United Nations Environment Programme/World Meteorological Organization 1994 Assessment of Stratospheric Ozone, coauthor, 1994.

"Ozone" and "Ozone hole", entries in the 2003 World Book Encyclopedia, pp. 893-4, 2002.

Observations for Chemistry (In-situ): Resonance Fluorescence, The Encyclopedia of Atmospheric Sciences, pp. 1484-89, 2002.

Chapter 3 (Polar Stratospheric Ozone) for the United Nations Environment Programme/World Meteorological Organization 2002 Assessment of Stratospheric Ozone, contributing coauthor, 2002.
 
 

Other Publications

L.M. Avallone, 1988, An introduction to the concepts behind the calculation of DNA melting curves, S.B. thesis, Department of Life Sciences, Massachusetts Institute of Technology.

L.M. Avallone, 1993, In situ measurements of ClO and implications for the chemistry of inorganic chlorine in the lower stratosphere, Ph.D. thesis, Department of Chemistry, Harvard University.

L.M. Avallone, D.W. Toohey, T. J. Fortin, and K. A. McKinney, 1997, "In situ observations of BrO and ClO during ARCTOC '96", in Arctic Tropospheric Ozone Chemistry (ARCTOC): Results from Field, Laboratory and Modelling Studies, U. Platt and E. Lehrer (eds.), Final Report to the European Union, Heidelberg.

L.M. Avallone, 2004, Measurements from in-service aircraft: What are the possibilities? in Proceedings of the SOFIA Upper Deck Science Workshop, NASA Ames Research Center, 22-23 June 2004.

Invited Talks and Seminars

Measurements of ozone-depleting processes in the arctic troposphere, Laboratory for Atmospheric and Space Physics (LASP) seminar, University of Colorado, 19 September 1996.

Constraints on stratospheric chemistry and dynamics from observations of long-lived trace gases, Analytical and Atmospheric Chemistry seminar, University of Colorado, 3 March 1997.

Measurements of BrO in the Arctic Troposphere during ARCTOC ‘96, Laboratory for Atmospheres seminar, Goddard Space Flight Center, 3 October 1997.

Autonomous Instrumentation for Measurements of Trace Gases from Commercial Aircraft Platforms, invited talk, Federation of Analytical Chemistry and Spectroscopy Societies, Providence, RI, 30 October 1997.

Autonomous Instrumentation for Measurements of Trace Gases from Commercial Aircraft Platforms, Earth System Science seminar, University of California at Irvine, 26 November 1997.

Constraints on Stratospheric Chemistry and Dynamics from Observations of Long-lived Trace Gases, Analytical Chemistry Seminar, University of Maryland at College Park, 2 December 1997.

Autonomous Instrumentation for Measurements of Trace Gases from Commercial Aircraft Platforms, Meteorology seminar, University of Maryland, 5 January 1998.

Development of Instrumentation for Measurements from Commercial Aircraft, NOAA Aeronomy Lab seminar, 4 March 1998.

Assessing the Role of Dynamics in Tropospheric Chemistry: Measurements from Commercial Aircraft Platforms,  invited talk, Telluride Summer Research Workshop on Uncertainties in Tropospheric Chemistry, 7 August 1998.

TOTCAP: Tropospheric Ozone and Tracers from Commercial Aircraft Platforms, Laboratory for Atmospheric and Space Physics (LASP) seminar, 24 September 1998.

TOTCAP: Tropospheric Ozone and Tracers from Commercial Aircraft Platforms, Program for Atmospheric and Oceanic Sciences (PAOS) seminar, 2 October 1998.

Understanding Atmospheric Ozone: Measurements from Balloons and Aircraft, Laboratory for Atmospheric and Space Physics (LASP) seminar for non-scientists, 21 October 1998.

In Situ Measurements of BrO in the High Latitude Boundary Layer, Institute for Environmental Physics seminar (Institut für Umweltphysik), University of Bremen, Germany, 1 July 1999.

Technology for Measurements of Atmospheric Free Radicals by Resonance Fluorescence, Laboratory for Atmospheric and Space Physics Technology Colloquium, University of Colorado 13 June 2000.

The Tropospheric Ozone and Tracers from Commercial Aircraft Platforms (TOTCAP) Instrumentation: First Results, NASA Ames Earth Science seminar, 10 August 2000.

Trace Gas Observations at the High Latitude Winter Tropopause with a New Aircraft Instrument, Atmospheric and Oceanic Sciences seminar, University of Wisconsin, 31 October 2000.

Trace Gas Observations at the High Latitude Winter Tropopause with a New Aircraft Instrument, Program in Atmospheric and Oceanic Sciences seminar, 17 November 2000.

Adventures in the Arctic: Applications of Physical Chemistry to Understanding What Depletes Tropospheric Ozone, Chemistry Department Seminar, Williams College, 21 September 2001.

Measurements in Arctic Cirrus and Rocket Plumes: New Insights into Particle Sizes and Composition, Program in Atmospheric and Oceanic Sciences seminar, 14 November 2001.

Uncertainties in Halogen Oxide Measurements and Kinetic Parameters and their Implications for Calculation of Ozone Loss Rates, invited overview talk at the Arctic Ozone Loss Workshop, Potsdam, Germany, 5 March 2002.

In situ Measurements in Rocket Plumes and Arctic Cirrus: New Insights into Particle Size and Composition, Scripps Institute of Oceanography Climate seminar, University of California at San Diego, 21 March 2002.

In situ Measurements in Rocket Plumes and Arctic Cirrus: New Insights into Particle Size and Composition, Laboratory for Atmospheric and Space Physics seminar, University of Colorado, 24 April 2002.

Air Pollution: The Sea Salt Connection, Crary Science Lecture Series, McMurdo Station, Antarctica, 25 September 2002.

Air Pollution: The Sea Salt Connection, Science Lecture Series, Scott Base, Antarctica, 27 September 2002.

Air Pollution in Antarctica, Laboratory for Atmospheric and Space Physics non-technical seminar series, 16 December 2002.

In Situ Measurements of Halogen Oxides at High Latitude Surface Sites, NOAA Climate Monitoring and Diagnostics Laboratory seminar, 25 September 2003.

In Situ Measurements of Ice Water Content in Tropical and Polar Cirrus, NASA Langley Research Center Atmospheric Chemistry and Dynamics Branch seminar, 8 October 2003.

In Situ Measurements of Halogen Oxides at High Latitude Surface Sites, NASA Ames Earth Sciences seminar, 2 June 2004.

Talks/Meeting Abstracts

L.M. Avallone, J.G. Anderson and D.W. Toohey, A midlatitude balloon-borne ClO profile: Implications for lower stratospheric chemistry, talk presented at the NASA High Speed Research Program Annual Meeting, Virginia Beach, VA; May 1992.

L.M. Avallone, J.G. Anderson, W.H. Brune, M. Loewenstein, J. Podolske, M.H. Proffitt and D.W. Toohey, In situ measurements of ClO at midlatitudes: Is there an effect from Mt. Pinatubo?, talk presented at American Geophysical Union Fall Meeting, San Francisco, CA; December 1992.

L.M. Avallone, J.G. Anderson, W.H. Brune and D.W. Toohey, An assessment of uncertainties for in situ measurements of ClO, poster presented at American Geophysical Union Spring Meeting, Baltimore, MD; May 1993.

L.M. Avallone and D.W. Toohey, Stratospheric bromine photochemistry, talk presented at the Pacific Conference on Applied Spectroscopy; American Chemical Society Western Regional Meeting, Pasadena, CA; October 1993.

L.M. Avallone and D. W. Toohey, Reanalysis of in situ BrO measurements: A review of progress, talk presented at the Methyl Bromide State of the Science Workshop, Washington DC; October 1993.

L.M. Avallone, M.J. Prather, D.R. Blake and F.S. Rowland, Simulation of relative loss frequencies of halocarbons in the lower stratosphere, talk presented at the NASA Atmospheric Effects of Aircraft Program Annual Meeting, Virginia Beach, VA; June 1994.

L.M. Avallone, D.W. Toohey, D.W. Fahey and E.L. Woodbridge,  The partitioning of inorganic chlorine at 20 km deduced from simultaneous measurements of ClO and NO during AASE II, talk presented at the NASA Atmospheric Effects of Aircraft Program Annual Meeting, Virginia Beach, VA; June 1994.

L.M. Avallone and M.J. Prather, Stratospheric trace gas correlations: Relationship between fluxes and lifetimes, talk presented at the American Geophysical Union Fall meeting, San Francisco, CA; December 1994.

L.M. Avallone and M. J. Prather, Simulation of relative loss frequencies of halocarbons in the stratosphere, poster presented at the Southern California Informal Photochemistry Conference, Irvine, CA; February 1995.

L.M. Avallone, M.J. Prather, A. E. Roche and J.M. Russell III, Investigations of the photochemical evolution of trace species, poster presented at the UARS Science Team Meeting, Pasadena, CA; March 1995.

L.M. Avallone, J.L. Neu, D.W. Toohey and D.W. Fahey, Halogen oxides in the lower stratosphere: Measurement uncertainties and tests of photochemistry, poster presented at the International Conference on Ozone in the Lower Stratosphere, Halkidiki, Greece; May 1995.

L. M. Avallone and D. W. Toohey, Reanalysis of in situ measurements of BrO in the lower stratosphere, poster presented at the Methyl Bromide State of the Science Workshop, Monterey, CA; June 1995.

L.M. Avallone, M.J. Prather, A.E. Roche and J.M. Russell III, Does midlatitude air enter the tropics? Investigations with UARS data, talk presented at the American Geophysical Union Fall meeting, San Francisco, CA; December 1995.

L. M. Avallone, T. J. Fortin, D. W. Toohey, and K. A. McKinney, In situ BrO observations during the ARCTOC ‘96 campaign, talk presented at the ARCTOC Science Team Meeting, Heidelberg, Germany; September 1996.

L. M. Avallone, A proposal to develop instrumentation for measurements from  commercial aircraft, poster presented at the Atmospheric Effects of Aviation Annual Meeting, Virginia Beach, VA; March 1997.

L. M. Avallone, Instrument development for measurements from  commercial aircraft, poster presented at the IGAC/SPARC/GAW Conference on Global Measurement Systems for Atmospheric Composition, Toronto, Canada; May 1997.

T. J. Fortin, L. M. Avallone, K. A. McKinney, and D. W. Toohey, In situ observations of BrO in the Arctic troposphere during ARCTOC ‘96, poster presented at 1997 Methyl Bromide State of the Science Workshop, Monterey, California, June 1997.

L. M. Avallone, T. J. Fortin, D. W.  Toohey, and K. A. McKinney, In situ measurements of boundary layer BrO and ClO during ARCTOC ‘96, talk presented at Fall American Geophysical Union Meeting, December 1998.

L. M. Avallone and D. W. Toohey, Measurement of the absolute rate constant for the reaction O + NO₂ over the temperature range 216 to 413 K, poster presented at Spring American Geophysical Union Meeting, June 1999.

A.M. Gates, D.W. Toohey, and L.M. Avallone, Measurements of carbon dioxide in the plume of a Delta-II rocket, talk presented at the ACCENT Science Team Meeting, Boulder, CO; July 1999.

L.C. Sparling, L. Patrick, and L.M. Avallone, Coping with small scale variability in data validation, poster presented at the NASA Workshop on Integration of Satellite Calibration/Validation and Research-oriented Field Missions in the Next Decade, Snowmass, CO; August 1999.

E.S. Whitney and L.M. Avallone, Atmospheric water vapor measurements in the upper troposphere using a tunable diode laser hygrometer, poster presented at the ASTAIRE Workshop on Atmospheric Effects of Aircraft in the Upper Troposphere and Lower Stratosphere, Bergen, Norway; August 1999.

S.K. McIlwaine, L. Patrick, and L.M. Avallone, Investigations of stratospheric variability and circulation using UARS data, poster presented at the UARS Science Team Meeting, Virginia Beach, VA; October 1999.

S.K. McIlwaine and L.M. Avallone, Studies of stratospheric tropical-midlatitude transport using UARS data, poster presented at the American Meteorological Society Middle Atmospheres Meeting, Long Beach, CA; January 2000. (won best student paper award)

L.C. Sparling and L.M. Avallone, Small-scale variability and the problem of data validation, talk presented at the Spring American Geophysical Union Meeting, Washington, DC; May 2000.

L.M. Avallone, D.R. Blake, A.M. Gates, R.D. May, B.C. Sive, D.W. Toohey, and E.S. Whitney, The Tropospheric Ozone and Tracers from Commercial Aircraft Platforms (TOTCAP) Instrumentation: First Results, poster presented at the 2000 Atmospheric Effects of Aviation Annual meeting, Snowmass, CO; June 2000.

L.M. Avallone and A.G. Hallar, Trace gas correlations in the tropopause region as observed from the NASA DC-8 during SOLVE, talk and poster presented at the SOLVE-THESEO Science Team Meeting, Palermo, Italy; September 2000.

A.M. Gates, L.M. Avallone, D.W. Toohey, and S. A. Vay, The Tropospheric Ozone and Tracers from Commercial Aircraft Platforms (TOTCAP) carbon dioxide measurement during the SOLVE campaign: Data comparison and a dynamical study, poster presented at the SOLVE-THESEO Science Team Meeting, Palermo, Italy; September 2000.

E.S. Whitney, L. M. Avallone, J.R. Podolske, R. Herman, G. Sachse, E. Jensen, R. D. May, and B. Anderson, An examination of “total water” measurements from a closed-path tunable diode laser hygrometer aboard the NASA DC-8 aircraft during the SOLVE campaign, poster presented at the SOLVE-THESEO Science Team Meeting, Palermo, Italy; September 2000.

L.M. Avallone, In situ measurements of BrO and ClO for Polar Sunrise 2000, Polar Sunrise Experiment Alert 2000 Science Team Meeting, Rome, Italy; October 2000.

L.M. Avallone and J.D. Fuentes, In situ observations of bromine oxide at two high latitude surface sites during springtime ozone depletion episodes, talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2000.

K.M. Hines, D. Toohey, and L. Avallone, Seasonal patterns of ozone variability in the lower stratosphere and upper troposphere, talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA, December 2000.

A.M. Gates, L.M. Avallone, D.W. Toohey, A. Rutter, A.R. Hopkins, P.D. Whitefield, D. E. Hagen, and M.N. Ross, In situ carbon dioxide measurements in rocket plumes during ACCENT, talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2000.

L.C. Patrick and L.M. Avallone, Suitability of the zonal mean for use in climatologies and atmospheric chemistry models, poster presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2000.

B. Thornton, L. Avallone, W. Brune, D. Toohey, H. Harder, M. Martinez-Harder, and J. Simpas, Latitudinal and seasonal variability of ClO in the lowermost stratosphere, poster presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2000.

D.M. Krank, L.M. Avallone, W.H. Brune, K.A. McKinney, D. Toohey, and H. Voemel, Trends in inorganic bromine in the lower stratosphere based on in situ measurements of BrO in the Arctic, poster presented at the Spring American Geophysical Union Meeting, Boston, MA; May 2001.

L.M. Avallone, A.M. Gates, and A.G. Hallar, Trace gas correlations near the high-latitude tropopause with measurements from a new suite of instruments, talk presented at the Spring American Geophysical Union Meeting, Boston, MA; May 2001.

D.W. Toohey, B.F. Thornton, L.M. Avallone, M.N. Ross, E. Richard, and K. Kelly, Measurements of Cl, ClO, and CO₂ in the exhaust plume of the space shuttle, talk presented at the Spring American Geophysical Union Meeting, Boston; MA, May 2001.

L.M. Avallone, A.M. Gates, and A.G. Hallar, Trace gas correlations near the high-latitude tropopause with measurements from a new suite of instruments, talk presented at the International Association of  Meteorology and Atmospheric Sciences (IAMAS) Meeting, Innsbruck, Austria; July 2001.

L.M. Avallone and S.K. McIlwaine, An investigation of mixing into the tropical stratosphere using UARS data, poster presented at the Upper Atmosphere Research Satellite Science Team Meeting, Greenbelt, MD, September 2001.

P.J. Popp, R.S. Gao, J.A. Neuman, M.J. Northway, J.C. Holecek, D.W. Fahey, C. Wiedinmyer, C.A. Brock, B.A. Ridley, J.G. Walega, F.E. Grahek, J.C. Wilson, J.M. Reeves, D.W. Toohey, L.M. Avallone, B.F. Thornton, A.M. Gates, M.N. Ross, and P.F. Zittel, The emission and chemistry of reactive nitrogen species in the plume of an Athena II rocket, talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2001.

D. Toohey, L. Avallone, A. Gates, B. Thornton, E. Richard, and K. Kelly, Insights into stratospheric chemistry and transport from ultra-fast measurements in rocket plumes, talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2001.

L.M. Avallone, Measurements of active chlorine in the high latitude boundary layer during springtime, talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2001.

L.M. Avallone, An assessment of the uncertainties in in situ measurements of ClO and BrO, poster presented at the Arctic Ozone Loss Workshop, Potsdam, Germany; March 2002.

D. Toohey, K. McKinney, H. Voemel, and L. Avallone, The temporal trend in bromine based on in situ measurements of BrO in the Arctic from 1989 to 2000, poster presented at the Arctic Ozone Loss Workshop, Potsdam, Germany; March 2002.

B. Thornton, D. Toohey, L. Avallone, H. Harder, M. Martinez, J. Simpas, W. Brune, M. Avery, E. Richard, and M. Proffitt, In situ measurements of ClO near the tropopause, poster presented at the European Geophysical Society Meeting, Nice, France; April 2002.

D.W. Toohey and L.M. Avallone, A comparison of in situ and remote measurements of ClO in the perturbed polar vortex, talk presented at the Spring American Geophysical Union Meeting, Washington, DC; May 2002.

A.G. Hallar, L.M. Avallone, R.L. Herman, B.E. Anderson, and A.J. Heymsfield, Measurements of ice water content in tropopause region arctic cirrus during SOLVE (SAGE III Ozone Loss and Validation Experiment), talk presented at the Fall American Geophysical Union Meeting, San Francisco, CA; December 2002.

A.G. Hallar, L.M. Avallone, R.L. Herman, and T. J. Garrett, Contrast and comparisons of in situ measurements of IWC, extinction and size distributions during two cirrus cloud case studies (7/9/2002 and 7/11/2002), poster presented at the CRYSTAL-FACE Science Team Meeting, Salt Lake City, UT; February 2003.

L.M. Avallone, A.G. Hallar, R.L. Herman, and T. L. Thompson, Measurements of ice water content in very thin cirrus, talk presented at the CRYSTAL-FACE Science Team Meeting, Salt Lake City, UT; February 2003.

A.G. Hallar, L. M. Avallone, R. L. Herman and T. J. Garrett, Measurements of ice water content and extinction, and calculated effective radius in tropical cirrus during CRYSTAL-FACE, poster presented at the American Geophysical Union - European Geophysical Society Joint Meeting, Nice, France; April 2003.

B. Thornton, D. Toohey, L. Avallone, Y. Kondo, M. Koike, N. Takegawa, H. Harder, M. Martinez, J. Simpas, and W. Brune, Drivers of Arctic near-tropopause ClO enhancements, talk presented at the American Geophysical Union - European Geophysical Society Joint Meeting, Nice, France; April 2003.

D. Toohey and L. Avallone, A chemical explanation for mid-winter ozone loss in the arctic stratosphere, talk presented at the American Geophysical Union - European Geophysical Society Joint Meeting, Nice, France; April 2003.

D. Kinnison, J. Gille, J. Barnett, J. Alexander, L. Avallone, M. Coffey, T. Eden, A. Gettleman, R. Khosravi, A. Lambert, H. Lee, L. Lyjak, S. Massie, B. Nardi, C. Randall, B. Randel, and V. Yudin, The High Resolution Dynamics Limb Sounder (HIRDLS) validation plan, talk presented at the American Geophysical Union Meeting, San Francisco, December 2003.

L. M. Avallone and A. G. Hallar, Measurements of ice water content in low-latitude cirrus clouds, poster presented at the American Geophysical Union Meeting, San Francisco, December 2003.

L.M. Avallone, Measurements from in-service aircraft: What are the possibilities? Talk presented at the SOFIA Upper Deck Science Workshop, NASA Ames Research Center, June 2004.