Apel, E., J. Calvert, T. Gilpin, F. Fehsenfeld*, D. Parrish*, and W. Lonneman*, 1999:  The Nonmethane Hydrocarbon Intercomparison Experiment (NOMHICE):  Task 3. Journal of Geophysical Research, 104, 26,069-26,086.

Aumont, B., S. Madronich, I. Bey*, and G. Tyndall, 2000:  Contribution of secondary VOC to the composition of aqueous atmospheric particles:  A modeling approach.  Journal of Atmospheric Chemistry, 35, 59-75. 

Baker, B., A. Guenther, J. Greenberg, A. Goldstein, and R. Fall, 1999:  Canopy fluxes of 2-methyl-3-buten-2-ol over a ponderosa pine forest by relaxed eddy accumulation:  Field data and model comparison.  Journal of Geophysical Research, 104, 26,107-26,114. 

Ball, S., D. Hanson, F. Eisele, and P. McMurry, 1999:  Laboratory studies of particle nucleation:  Initial results for H2SO4, H2O, and NH3 vapors. Journal of Geophysical Research, 104, 23,709-23,718. 

*Burkholder, J., G. Knight*, and J. Orlando, 2000:  UV absorption spectrum of BrOCl.  J. of Photochemistry and Photobiology A: Chemistry, 134, 133-137.

*Clancy, R., B. Sandor, M. Wolff*, P. Christensen*, M. Smith, J. Pearl*, B. Conrath*, and R. Wilson*, 2000:  An intercomparison of ground-based millimeter, MGS, TES, and Viking atmospheric temperature measurements:  Seasonal and interannual variability of temperatures and dust loading in the global Mars atmosphere.  J. Geophys. Res., 105, 9553-9571.

*Clarke, A., V. Kapustin*, F. Eisele, R. Weber*, and P. McMurry, 1999:  Particle production near marine clouds:  Sulfuric acid and predictions from classical binary nucleation.  Geophysical Research Letters, 26, 2425-2428.

Conley, A., E. Holland, T. Seastedt, and W. Parton, 2000:  Simulation of carbon and nitrogen cycling in an alpine tundra.  Arctic, Antarctic and Alpine Research, 32, 147-154.

*Constable, J., A. Guenther, D. Schimel, and R. Monson, 1999:  Modelling changes in VOC emission in response to climate change in the continental United States.  Global Change Biology, 5, 791-806.

*Daniel, J., S. Solomon*, R. Portmann*, and R. Garcia, 1999:  Stratospheric ozone destruction:  The importance of bromine relative to chlorine.  Journal of Geophysical Research, 104, 23,871-23,880.

*DeCaria, A., K. Pickering, G. Stenchikov*, J. Scala*, J. Stith, J. Dye, B. Ridley and P. Laroche*, 2000:  A cloud-scale model study of lightning-generated NOx in an individual thunderstorm during STERAO-A.  Journal of Geophysical Research, 105, 11,601-11,616.

*Delmas, R., A. Druilhet*, B. Cros*, P. Durand*, C. Delon*, J. Lacaux*, J. Brustet*, D. Serca, C. Affre*, A. Guenther, J. Greenberg, W. Baugh, P. Harley, L. Klinger, P. Ginoux, G. Brasseur, et al., 1999:  Experiment for Regional Sources and Sinks of Oxidants (EXPRESSO):  An overview. Journal of Geophysical Research, 104, 30,609-30,624.

Dvortsov, V., M. Geller, S. Solomon*, S. Schauffler, E. Atlas, and D. Blake, 1999:  Rethinking reactive halogen budgets in the midlatitude lower stratosphere.  Geophysical Research Letters, 26, 1699-1702.

Dye, J., B. Ridley, W. Skamarock, M. Barth, M. Venticinque, et al., 2000:  An overview of the Stratospheric-Tropospheric Experiment: Radiation, Aerosols, and Ozone (STERAO)-deep convection experiment with results for the July 10, 1996 storm.  Journal of Geophysical Research, 105, 10,023-10,045.

Edwards, D., and G. Francis, 2000:  Improvements to the correlated-k radiative transfer method:  Application to satellite infrared sounding.  J. Geophys. Res., 105, 18,135-18,156. 

Edwards, D., C. Halvorson, and J. Gille, 1999:  Radiative transfer modeling for the EOS Terra satellite Measurement of Pollution in the Troposphere (MOPITT) instrument. Journal of Geophysical Research, 104, 16,755-16,775.

Eisele, F., and D. Hanson, 2000:  First measurement of prenucleation molecular clusters.  The Journal of Physical Chemistry A, 104, 830-836. 

Emmons, L., D. Hauglustaine, J-F. Müller, M. Carroll, G. Brasseur, D. Brunner*, J. Staehelin*, V. Thouret*, and A. Marenco*, 2000:  Data composites of airborne observations of tropospheric ozone and its precursors.  J. Geophys. Res., 105, 20,497-20,538. 

Erickson, D. III, 1999:  Nitrogen deposition, terrestrial carbon uptake and changes in the seasonal cycle of atmospheric CO2.  Geophysical Research Letters, 26, 3313-3316. 

Erickson, D., R. Zepp*, and E. Atlas, 2000:  Ozone depletion and the air-sea exchange of greenhouse and chemically reactive trace gases.  Chemosphere-Global Change Science, 2, 137-149. 

Flocke, F., et al., 1999:  An examination of chemistry and transport processes in the tropical lower stratosphere using observations of long-lived and short-lived compounds obtained during STRAT and POLARIS. Journal of Geophysical Research, 104, 26,625-26,642. 

Fried, A., B. Wert, B. Henry, and J. Drummond, 1999:  Airborne tunable diode laser measurements of formaldehyde.  Spectrochimica Acta Part A, 55, 20097-2110. 

*Fuentes, J., M. Lerdau*, R. Atkinson*, D. Baldocchi*, J. Bottenheim*, P. Ciccioli*, B. Lamb, C. Geron*, L. Gu, A. Guenther, T. Sharkey*, and W. Stockwell*, 2000:  Biogenic hydrocarbons in the atmospheric boundary layer:  A review.  Bulletin of the American Meteorological Society, 81, 1537-1575.

Garcia, R., and F. Sassi, 1999:  Modulation of the mesospheric semiannual oscillation by the quasibiennial oscillation.  Earth Planets Space, 51, 563-569. 

*Geron, C., A. Guenther, T. Sharkey*, and R. Arnts*, 2000:  Temporal variability in basal isoprene emission factor.  Tree Physiology, 20, 799-805.

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

*Goldstein, A., N. Hultman*, J. Fracheboud*, M. Bauer*, J. Panek*, M. Xu, Y. Qi, A. Guenther, and W. Baugh, 2000:  Effects of climate variability on the carbon dioxide, water, and sensible heat fluxes above a ponderosa pine plantation in the Sierra Nevada (CA).  Agricultural and Forest Meteorology, 101, 113-129.

Greenberg, J., A. Guenther, S. Madronich, W. Baugh, P. Ginoux, A. Druilhet*, R. Delmas*, and C. Delon*, 1999:  Biogenic volatile organic compound emissions in central Africa during the Experiment for the Regional Sources and Sinks of Oxidants (EXPRESSO) biomass burning season. Journal of Geophysical Research, 104, 30,659-30,671. 

*Groffman, P., E. Holland, D. Myrold*, G. Robertson*, and X. Zou*, 1999:  Denitrification.  Standard Soil Methods for Long-Term Ecological Research, G. Robertson, D. Coleman, C. Bledsoe,  and P. Sollins, Eds., Oxford University Press, 273-288. 

Guenther, A., B. Baugh, G. Brasseur, J. Greenberg, P. Harley, L. Klinger, D. Serca, and L. Vierling, 1999:  Isoprene emission estimates and uncertainties for the Central African EXPRESSO study domain. Journal of Geophysical Research, 104, 30,625-30,639. 

Guenther, A., C. Geron*, T. Pierce*, B. Lamb, P. Harley, and R. Fall, 2000:  Natural emissions of non-methane volatile organic compounds, carbon monoxide, and oxides of nitrogen from North America.  Atmospheric Environment, 34, 2205-2230. 

Guenther, A., S. Archer, J. Greenberg, P. Harley, D. Helmig, L. Klinger, L. Vierling, M. Wildermuth, P. Zimmerman, and S. Zitzer*, 1999:  Biogenic hydrocarbon emissions and landcover/climate change in a subtropical Savanna.  Phys. Chem. Earth (B), 24, 659-667. 

Hanson, D., and F. Eisele, 2000:  Diffusion of H2SO4 in humidified nitrogen:  Hydrated H2SO4.  The Journal of Physical Chemistry A, 104, 1715-1719. 

Hauglustaine, D., G. Brasseur, and J. Levine*, 1999:  A sensitivity simulation of tropospheric ozone changes due to the 1997 Indonesian fire emissions.  Geophysical Research Letters, 26, 3305-3308.

Hauglustaine, D., S. Madronich, B. Ridley, S. Flocke, C. Cantrell, F. Eisele, R. Shetter, D. Tanner, P. Ginoux, and E. Atlas, 1999:  Photochemistry and budget of ozone during the Mauna Loa Observatory Photochemistry Experiment (MLOPEX 2). Journal of Geophysical Research, 104, 30,275-30,307.

Holland, E., G. Robertson*, J. Greenberg, P. Groffman*, R. Boone*, and J. Gosz*, 1999:  Soil CO2, N2O, and CH4 exchange.   Standard Soil Methods for Long-Term Ecological Research, G. Robertson, D. Coleman, C. Bledsoe, and P. Sollins, Eds., Oxford Univ. Press, 185-201. 

Horowitz, L., and D. Jacob, 1999:  Global impact of fossil fuel combustion on atmospheric NOx. Journal of Geophysical Research, 104, 23,823-23,840. 

*Isebrands, J., A. Guenther, P. Harley, D. Helmig, L. Klinger, L. Vierling, P. Zimmerman, and C. Geron*, 1999:  Volatile organic compound emission rates from mixed deciduous and coniferous forests in Northern Wisconsin.  Atmospheric Environment, 33, 2527-2536. 

*Jensen, E., W. Read*, J. Mergenthaler*, B. Sandor, L. Pfister*, and A. Tabazadeh*, 1999:  High humidities and subvisible cirrus near the tropical tropopause.  Geophysical Research Letters, 26, 2347-2350.

Kegley-Owen, C., G. Tyndall, J. Orlando, and A. Fried, 1999:  Tunable diode laser studies of the reaction of Cl atoms with CH3CHO.  International Journal of Chemical Kinetics, 31, 766-775. 

*Kesselmeir, J., U. Kuhn*, A. Wolf*, M. Andreae*, P. Ciccioli*, E. Brancaleoni*, M. Frattoni*, A. Guenther, J. Greenberg, P. Vasconcellos, T. de Oliva, T. Tavares, and P. Artaxo, 2000:  Atmospheric volatile organic compounds (VOC) at a remote tropical forest site in central Amazonia.  Atmospheric Environment, 34, 4063-4072.

Khattatov, B., J. Gille, L. Lyjak, G. Brasseur, V. Dvortsov, A. Roche*, and J. Waters*, 1999:  Assimilation of photochemically active species and a case analysis of UARS data. Journal of Geophysical Research, 104, 18,715-18,737. 

Lamarque, J.-F., B. Khattatov, J. Gille, and G. Brasseur, 1999:  Assimilation of Measurement of Air Pollution from Space (MAPS) CO in a global three-dimensional model.  Journal of Geophysical Research, 104, 26,209-26,218. 

            P. Hess, and X. Tie, 1999:  Three-dimensional model study of the influence of stratosphere-troposphere exchange and its distribution on tropospheric chemistry.  Journal of Geophysical Research, 104, 26,363-26,372. 

*Lancaster, D., A. Fried, B. Wert, B. Henry, and F. Tittel*, 2000:  Difference-frequency-based tunable absorption spectrometer for detection of atmospheric formaldehyde.  Applied Optics, 39, 4436-4443.

Lee-Taylor, J., and E. Holland, 2000:  Litter decomposition as a potential natural source of methyl bromide.  Journal of Geophysical Research, 105, 8857-8864. 

Liu, S., H. Yu, B. Ridley, et al., 1999:  Sources of reactive nitrogen in the upper troposphere during SONEX.  Geophysical Research Letters, 26, 2441-2444.

Massie, S., X. Tie, G. Brasseur, R. Bevilacqua*, M. Fromm*, and M. Santee*, 2000:  Chlorine activation during the early 1995-1996 Arctic winter.  Journal of Geophysical Research, 105, 7111-7131.

Mauzerall, D., D. Narita*, H. Akimoto*, L. Horowitz, S. Walters, D. Hauglustaine, and G. Brasseur, 2000:  Seasonal characteristics of tropospheric ozone production and mixing ratios over East Asia:  A global three-dimensional chemical transport model analysis.  J. Geophys. Res., 105, 17,895-17,910.

Nevison, C., V. Gupta*, and L. Klinger, 1999:  Self-sustained temperature oscillations on Daisyworld.  Tellus, 51B, 806-814.

Newchurch, M., L. Bishop*, D. Cunnold, L. Flynn*, S. Godin*, S. Frith*, L. Hood, A. Miller*, S. Oltmans*, W. Randel et al., 2000:  Upper-stratospheric ozone trends 1979-1998.  Journal of Geophysical Research, 105, 14,625-14,636.

Orlando, J., and J. Burkholder*, 2000:  Identification of BrONO as the major product in the gas-phase reaction of Br with NO2.  The Journal of Physical Chemistry A, 104, 2048-2053. 

Orlando, J., B. Nozière, G. Tyndall, G. Orzechowska*, S. Paulson, and Y. Rudich*, 2000:  Product studies of the OH- and ozone-initiated oxidation of some monoterpenes.  Journal of Geophysical Research, 105, 11,561-11,572.

Orlando, J., B. Ramacher*, and G. Tyndall, 2000:  Upper limits for the rate coefficients for reactions of BrO with formaldehyde and HBr.  Geophys. Res. Lett., 27, 2633-2636. 

Orlando, J., G. Tyndall, and S. Paulson, 1999:  Mechanism of the OH-initiated oxidation of methacrolein.  Geophysical Research Letters, 26, 2191-2194.

Orlando, J., L. Iraci*, and G. Tyndall, 2000:  Chemistry of the cyclopentoxy and cyclohexoxy radicals at subambient temperatures.  The Journal of Physical Chemistry A, 104, 5072-5079.

*Pawson, S., et al., W. Randel, F. Wu, 2000:  The GCM-reality intercomparison project for SPARC (GRIPS):  Scientific issues and initial results.  Bulletin of the American Meteorological Society, 81, 781-796.

*Ramacher, B., J. Orlando, and G. Tyndall, 2000:  Temperature-dependent rate coefficient measurements for the reaction of bromine atoms with a series of aldehydes.  Int. Journal of Chemical Kinetics, 460-465. 

Randel, W., and F. Wu, 1999:  A stratospheric ozone trends data set for global modeling studies.  Geophysical Research Letters, 26, 3089-3092. 

Randel, W., F. Wu, and D. Gaffen*, 2000:  Interannual variability of the tropical tropopause derived from radiosonde data and NCEP reanalyses.  Journal of Geophysical Research, 105, 15,509-15,1523. 

Randel, W., R. Stolarski*, D. Cunnold*, J. Logan, M. Newchurch, and J. Zawodny*, 1999:  Trends in the vertical distribution of ozone.  Science, 285, 1689-1692. 

Ridley, B., J. Walega, D. Montzka, F. Grahek, E. Atlas, F. Flocke, V. Stroud, et al., 2000:  Is the Arctic surface layer a source and sink of NOx in winter/spring?  Journal of Atmospheric Chemistry, 36, 1-22. 

*Robertson, G., D. Wedin*, P. Groffman*, J. Blair*, E. Holland, K. Nadelhoffer*, and D. Harris*, 1999:  Soil Carbon and Nitrogen Availability.  Standard Soil Methods for Long-Term Ecological Research, G. Robertson, D. Coleman, C. Bledsoe, and P. Sollins, Eds., Oxford University Press, 259-271.

Schauffler, S., E. Atlas, D. Blake, F. Flocke, R. Lueb, J. Lee-Taylor, V. Stroud, and W. Travnicek, 1999:  Distributions of brominated organic compounds in the troposphere and lower stratosphere. Journal of Geophysical Research, 104, 21,513-21,535. 

Smith, A., 1999:  Observation of low frequency Kelvin waves in the mesosphere.  Earth Planets Space, 51, 649-656. 

Smith, A., 2000:  Structure of the terdiurnal tide at 95 km.  Geophysical Research Letters, 27, 177-180. 

Smith, A., and M. Riese, 1999:  Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere (CRISTA) observations of tracer transport by inertially unstable circulations.  Journal of Geophysical Research, 104, 19,171-19,182, 1999. 

Stone, E., L. Pan, B. Sandor, W. Read*, and J. Waters*, 2000:  Spatial distributions of upper tropospheric water vapor measurements from the UARS Microwave Limb Sounder.  Journal of Geophysical Research, 105, 12,149-12,161.

*Thüner, L., I. Barnes*, K. Becker*, T. Wallington*, L. Christensen*, J. Orlando, and B. Ramacher*, 1999:  Atmospheric chemistry of tetrachloroethene (Cl2C=CCl2):  Products of chlorine atom initiated oxidation.  Journal of Physical Chemistry A, 103, 8657-8663.

Tie, X., G. Brasseur, P. Hess, and M. Riese, 1999:  Hemispheric asymmetry of chemical species and its effect on stratospheric ozone:  Emphasis on halogen loading.  Advance Space Research, 24, 1631-1636. 

Tyndall, G., J. Orlando, C. Kegley-Owen, T. Wallington*, and M. Hurley*, 1999:  Rate coefficients for the reactions of chlorine atoms with methanol and acetaldehyde.  International Journal of Chemical Kinetics, 31, 776-784. 

*Wallington, T., O. Sokolov*, M. Hurley*, G. Tyndall, J. Orlando, I. Barnes*, K. Becker*, and R. Vogt*, 1999:  Atmospheric chemistry of methylcyclopentadienyl manganese tricarbonyl:  Photolysis, reaction with hydroxyl radicals and ozone.  Environmental Science and Technoogy, 33, 4232-4238.

*Waugh, D., W. Randel, S. Pawson*, P. Newman*, and E. Nash, 1999:  Persistence of the lower stratospheric polar vortices. Journal of Geophysical Research, 104, 27,191-27,201.

*Zhang, R., N. Sanger*, R. Orville, X. Tie, W. Randel, and E. Williams, 2000:  Enhanced NOx by lightning in the upper troposphere and lower stratosphere inferred from the UARS global NO2 measurements.  Geophysical Research Letters, 27, 685-688.