National Center for Atmospheric Research Atmospheric Chemistry Division Advanced Study Program University Corporation for Atmospheric Research National Science Foundation 2002 Annual Scientific Report Atmospheric Technology Division Climate and Global Dynamics Environmental and Societal Impacts Group High Altitude Observatory Mesoscale and Microscale Meteorology Research Applications Program Scientific Computing Division

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Atmospheric Chemistry Division





(Note: Bold=university authors; *=institututional authors)

Abbot, D., P. Palmer, R. Martin, K. Chance, D. Jacob and A. Guenther, Seasonal and interannual variability of North American isoprene emissions as determined by formaldehyde column measurements from space.  Geophys. Res. Lett., 30(17), 1886, doi:10.1029/2003GL017336. 

Allen, D., J. Dibb, B. Ridley, K. Pickering and R. Talbot, 2003:  An estimate of the stratospheric contribution to springtime tropospheric ozone maxima using TOPSE measurements and beryllium-7 simulations.  J. Geophys. Res., 108(D4), 8355, doi:10.1029/2001JD001428.

Apel, E., J. Calvert, T. Gilpin, F. Fehsenfeld* and W. Lonneman*, 2003:  Nonmethane Hydrocarbon Intercomparison Experiment (NOMHICE):  Task 4, ambient air.  J. Geophys. Res., 108(D9), 4300, doi:10.1029/2002JD002936. 

Atlas, E., B. Ridley and C. Cantrell, 2003:  The Tropospheric Ozone Production about the Spring Equinox (TOPSE) Experiment: Introduction.  J. Geophys. Res., 108(D4), 8353, doi:10.1029/2002JD003172. 

Bais, A., S. Madronich, J. Crawford*, S. Hall, B. Mayer, M. van Weele*, J. Lenoble, J. Calvert, C. Cantrell, R. Shetter, A. Hofzumahaus*, P. Koepke, P. Monks, G. Frost*, R. McKenzie*, N. Krotkov*, A. Kylling*, W. Swartz, S. Lloyd, G. Pfister, T. Martin*, E.-P. Roeth*, E. Griffioen, A. Ruggaber, M. Krol*, A. Kraus*, G. Edwards, M. Mueller*, B. Lefer, P. Johnston*, H. Schwander, D. Flittner, B. Gardiner*, J. Barrick* and R. Schmitt*, 2003:  International Photolysis Frequency Measurement and Model Intercomparison (IPMMI):  Spectral actinic solar flux measurements and modeling.  J. Geophys. Res., 108(D16), 8543, doi:10.1029/2002JD002891.

Barth, M., S. Sillman, R. Hudman, M. Jacobson, C.-H. Kim*, A. Monod* and J. Liang*, 2003:  Summary of the cloud chemistry modeling intercomparison: Photochemical box model simulation. J. Geophys. Res., 108(D7), 4214, doi: 10.1029/2002JD002673. 

Blake, N., D. Blake, A. Swanson, E. Atlas, F. Flocke and F. Rowland, 2003:  Latitudinal, vertical, and seasonal variations of C1-C4 alkyl nitrates in the troposphere over the Pacific Ocean during PEM-Tropics A and B: Oceanic and continental sources.  J. Geophys. Res., 108(D2), 8242, doi:10.1029/2001JD001444.

Blake, N., D. Blake, B. Sive, A. Katzenstein, S. Meinardi, O. Wingenter, E. Atlas, F. Flocke, B. Ridley and F. Rowland, 2003:  The seasonal evolution of NMHCs and light alkyl nitrates at middle to high northern latitudes during TOPSE.  J. Geophys. Res., 108(D4), 8359, doi:10.1029/2001JD001467.

Blake, N., D. Blake, I. Simpson, S. Meinardi, A. Swanson, J. Lopez, A. Katzenstein, B. Barletta, T. Shirai*, E. Atlas, G. Sachse*, M. Avery*, S. Vay*, H. Fuelberg, C. Kiley, K. Kita and F. Rowland, 2003:  NMHCs and halocarbons in Asian continental outflow during the Transport and Chemical Evolution over the Pacific (TRACE-P) Field Campaign: Comparison with PEM-West B.  J. Geophys. Res., 108(D20), 8806, doi:10.1029/2002JD003367.

Brock, C.*, M. Trainer*, T. Ryerson*, J. Neuman*, D. Parish*, J. Holloway*, D. Nicks Jr.*, G. Frost*, G. Hübler*, F. Fehsenfeld*, J. Wilson, J. Reeves, B. Lafleur, H. Hilbert, E. Atlas, S. Donnelly, S. Schauffler, V. Stroud and C. Wiedinmyer, 2003:  Particle growth in urban and industrial plumes in Texas.  J. Geophys. Res. 108(D3), 4111, doi:10.1029/2002JD002746.

Browell, E.*, J. Hair*, C. Butler*, W. Grant*, R. DeYoung*, M. Fenn*, V. Brackett*, M. Clayton*, L. Brasseur*, D. Harper*, B. Ridley, A. Klonecki, P. Hess, L. Emmons, X. Tie, E. Atlas, C. Cantrell, A. Wimmers, D. Blake, M. Coffey, J. Hannigan, J. Dibb, R. Talbot, F. Flocke, A. Weinheimer, A. Fried, B. Wert, J. Snow and B. Lefer, 2003:  Ozone, aerosol, potential vorticity, and trace gas trends observed at high-latitudes over North America from February to May 2000.  J. Geophys. Res., 108(D4), 8369, doi:10.1029/2001JD001390.

Browell, E.*, M. Fenn*, C. Butler*, W. Grant*, V. Brackett*, J. Hair*, M. Avery*, R. Newell*, Y. Hu*, H. Fuelberg, D. Jacob, B. Anderson*, E. Atlas, D. Blake, W. Brune, J. Dibb, A. Fried, B. Heikes, G. Sachse*, S. Sandholm, H. Singh*, R. Talbot, S. Vay*, R. Weber and K. Bartlett, 2003:  Large-scale ozone and aerosol distributions, air mass characteristics, and ozone fluxes over the western Pacific Ocean in late winter/early spring.  J. Geophys. Res., 108(D20), 8805, doi:10.1029/2002JD003290.

Cantrell, C., 2003: Observations for chemistry (in situ):  Chemiluminescent techniques.  Encyclopedia of Atmospheric Sciences, Holton, Curry & Pyle (eds), Academic Press, pp. 1454-1460. 

Cantrell, C., G. Edwards, S. Stephens, L. Mauldin, E. Kosciuch and F. Eisele, 2003:  Peroxy radical observations using chemical ionization mass spectrometry during TOPSE.  J. Geophys. Res., 108(D6), 8371, doi:10.1029/2003JD002715. 

Cantrell, C., J. Calvert, A. Bais, R. Shetter, B. Lefer and G. Edwards, 2003:  Overview and conclusions of the International Photolysis Frequency Measurement and Modeling Intercomparison (IPMMI) study.  J. Geophys. Res., 108(D16), 8542, doi:10.1029/2002JD002962. 

Cantrell, C., L. Mauldin, M. Zondlo, F. Eisele, E. Kosciuch, R. Shetter, B. Lefer, S. Hall, T. Campos, B. Ridley, J. Walega, A. Fried, B. Wert, F. Flocke, A. Weinheimer, J. Hannigan, M. Coffey, E. Atlas, S. Stephens, B. Heikes, J. Snow, D. Blake, N. Blake, A. Katzenstein, J. Lopez, E. Browell*, J. Dibb, E. Scheuer, G. Seid and R. Talbot, 2003:  Steady state free radical budgets and ozone photochemistry during TOPSE.  J. Geophys. Res., 108(D4), 8361, doi:10.1029/2002JD002198, 2003. 

Choi, W., H. Lee, W. Grant*, J. Park*, J. Holton, K-M. Lee and B. Naujokat, 2002:  On the secondary meridional circulation associated with the quasi-biennial oscillation.  Tellus, 54B, 395-406.

Clement, C.F.*, I.J. Ford, C.H. Twohy, A. Weinheimer and T. Campos, 2002:  Particle production in the outflow of a midlatitude storm.  J. Geophys. Res., 107(D21), 4559, doi: 10.1029/2001JD001352.

Clerbaux, C., J. Hadji-Lazaro, S. Payan, C. Camy-Peyret, J. Wang, D.P. Edwards and M. Luo*, 2002:  Retrieval of CO from nadir remote-sensing measurements in the infrared by use of four different inversion algorithms.  Appl. Opt., 41, 7068-7078. 

Coffey, M.T., W.G. Mankin and J.W. Hannigan, 2002:  Airborne spectroscopic observations of chlorine activation and denitrification of the 1999/2000 winter Arctic stratosphere during SOLVE.  J. Geophys. Res., 108(D5), 8303, doi:10.1029/2001JD001085.

Collins, W.D., J.K. Hackney and D.P. Edwards, 2002:  An updated parameterization for infrared emission and absorption by water vapor in the National Center for Atmospheric Research Community Atmosphere Model.  J. Geophys. Res., 107(D22), 4664, doi: 10.1029/2001JD001365.

Crawford, J.*, R. Shetter, B. Lefer, C. Cantrell, W. Junkermann*, S. Madronich and J. Calvert, 2003:  Cloud impacts on UV spectral actinic flux observed during the International Photolysis Frequency Measurement and Model Intercomparison (IPMMI).  J. Geophys. Res., 108(D16), 8545, doi:10.1029/2002JD002731.

Danilin, M.*, M. Ko*, R. Bevilacqua*, L. Lyjak, L. Froidevaux*, M. Santee*, J. Zawodny*, K. Hoppel*, E. Richard*, J. Spackman, E. Weinstock, R. Herman*, K. McKinney, P. Wennberg, F. Eisele, R. Stimpfle*, C. Scott*, J. Elkins* and T. Bui*, 2003:  Comparison of ER-2 aircraft and POAM III, MLS, and SAGE II satellite measurements during SOLVE using traditional correlative analysis and trajectory hunting technique.  J. Geophys. Res., 108(D5), 8315, doi:10.1029/2001JD000781.

Danilin, M.*, P. Popp*, R. Herman*, M. Ko*, M. Ross*, C. Kolb*, D. Fahey*, L. Avallone, D. Toohey, B. Ridley, O. Schmid*, J. Wilson, D. Baumgardner, R. Friedl*, T. Thompson* and J. Reeves, 2003:  Quantifying uptake of HNO3 and H2O by alumina particles in Athena-2 rocket plume.  J. Geophys. Res., 108(D4), 4141, doi:10.1029/2002JD002601.

Danilin, M.Y.*, M.K.W. Ko*, L. Froidevaux*, M.L. Santee*, L.V. Lyjak, R.M. Bevilacqua*, J.M. Zawodny*, Y. Sasano*, H. Irie, Y. Kondo, J.M. Russell III, C.J. Scott* and W.G. Read*, 2002:  Trajectory hunting as an effective technique to validate multiplatform measurements: Analysis of the MLS, HALOE, SAGE-II, ILAS, and POAM-II data in October-November 1996.  J. Geophys. Res., 107(D20), 4420, doi: 10.129/2001JD002012.

Deeter, M., L. Emmons, G. Francis, D. Edwards, J. Gille, J. Warner, B. Khattatov, D. Ziskin, J.-F. Lamarque, S.-P. Ho, V. Yudin, J.-L. Attié*, D. Packman, J. Chen, D. Mao and J. Drummond, 2003:  Operational carbon monoxide retrieval algorithm and selected results for the MOPITT instrument.  J. Geophys. Res., 108(D14), 4399, doi:10.1029/2002JD003186. 

Deeter, M.N., G.L. Francis, D.P. Edwards, J.C. Gille, E. McKernan and J.R. Drummond, 2002:  Operational validation of the MOPITT instrument optical filters.  J. Atmos. Oceanic Technol., 19, 1772-1782. 

Dibb, J., R. Talbot, E. Scheuer, G. Seid, L. DeBell, B. Lefer and B. Ridley, 2003:  Stratospheric influence on the northern North American free troposphere during TOPSE:  7Be as a stratospheric tracer.  J. Geophys. Res., 108(D4), 8363, doi:10.1029/2001JD001347.

DiNunno, B., D. Davis, G. Chen, G. Gregory*, G. Sachse*, B. Anderson*, S. Vay*, M. Avery*, B. Ridley, M. Carroll, J. Walega, D. Montzka, F. Grahek, J. Bradshaw, S. Sandholm, Y. Kondo, G. Kok, D. Blake, N. Blake, J. Barrick*, H. Fuelberg, B. Martin and A. Balok*, 2003:  Central/eastern North Pacific photochemical precursor distributions for fall/spring seasons as defined by airborne field studies.  J. Geophys. Res., 108(D2), 8240, doi:10.1029/2001JD001044.

Drdla, K.*, B. Gandrud, D. Baumgardner, J. Wilson, T. Bui*, D. Hurst*, S. Schauffler, H. Jost*, J. Greenblatt* and C. Webster*, 2003:  Evidence for the widespread presence of liquid-phase particles during the 1999-2000 Arctic winter.  J. Geophys. Res., 108(D5), 8318, doi:10.1029/2001JD001127.

Edwards, D., J.-F. Lamarque, J.-L. Attié*, L. Emmons, A. Richter, J.-P. Cammas*, J. Gille, G. Francis, M. Deeter, J. Warner, D. Ziskin, L. Lyjak, J. Drummond and J. Burrows, 2003:  Tropospheric ozone over the tropical Atlantic: A satellite perspective.  J. Geophys. Res., 108(D8), 4237, doi:10.1029/2002JD002927. 

Ehhalt, D.H.*, F. Rohrer*, S. Schauffler and W. Pollock, 2002:  Tritiated water vapor in the stratosphere: Vertical profiles and residence time.  J. Geophys. Res., 107(D24), 4757, doi: 10.1029/2001JD001343.

Eisele, F., L. Mauldin, C. Cantrell, M. Zondlo, E. Apel, A. Fried, J. Walega, R. Shetter, B. Lefer, F. Flocke, A. Weinheimer, M. Avery, S. Vay, G. Sachse, J. Podolske*, G. Diskin, J. Barrick, H. Singh*, W. Brune, H. Harder, M. Martinez, A. Bandy, D. Thornton, B. Heikes, Y. Kondo, D. Riemer, S. Sandholm, D. Tan, R. Talbot and J. Dibb, 2003:  Summary of measurement intercomparisons during TRACE-P.  J. Geophys. Res., 108(D20), 8791, doi:10.1029/2002JD003167. 

Emmons, L., P. Hess, A. Klonecki*, X. Tie, L. Horowitz*, J.-F. Lamarque, D. Kinnison, G. Brasseur*, E. Atlas, E. Browell*, C. Cantrell, F. Eisele, R. Mauldin, J. Merrill, B. Ridley and R. Shetter, 2003:  Budget of tropospheric ozone during TOPSE from two chemical transport models.  J. Geophys. Res., 108(D8), 8372, doi:10.1029/2002JD002665.

Evans, M., D. Jacob, E. Atlas, C. Cantrell, F. Eisele, F. Flocke, A. Fried, R. Mauldin, B. Ridley, B. Wert, R. Talbot, D. Blake, B. Heikes, J. Snow, J. Walega, A. Weinheimer and J. Dibb, 2003:  Coupled evolution of BrOx-ClOx-HOx-NOx chemistry during bromine-catalyzed ozone depletion events in the arctic boundary layer.  J. Geophys. Res., 108(D4), 8368, doi:10.1029/2002JD002732.

Forkman, P., P. Eriksson, A. Winnberg, R. Garcia and D. Kinnison, 2003:  Longest continuous ground-based measurements of mesospheric CO.  Geophys. Res. Lett., 30(10), 1532, doi:10.1029/2003GL016931. 

Fried, A., J. Crawford*, J. Olson*, J. Walega, W. Potter, B. Wert, C. Jordan*, B. Anderson*, R. Shetter, B. Lefer, D. Blake, N. Blake, S. Meinardi, B. Heikes, D. O’Sullivan*, J. Snow, H. Fuelberg, C. Kiley, S. Sandholm, D. Tan, G. Sachse*, H. Singh*, I. Faloona, C. Harward* and G. Carmichael, 2003:  Airborne tunable diode laser measurements of formaldehyde during TRACE-P:  Distributions and box model comparisons.  J. Geophys. Res., 108(D20), 8798, doi:10.1029/2003JD003451. 

Fried, A., Y. Wang, C. Cantrell, B. Wert, J. Walega, B. Ridley, E. Atlas, R. Shetter, B. Lefer, M. Coffey, J. Hannigan, D. Blake, N. Blake, S. Meinardi, B. Talbot, J. Dibb, E. Scheuer, O. Wingenter, J. Snow, B. Heikes and D. Ehhalt*, 2003:  Tunable diode laser measurements of formaldehyde during the TOPSE 2000 study: Distributions, trends, and model comparisons.  J. Geophys. Res., 108(D4), 8365, doi:10.1029/2002JD002208. 

Friedli, H., L. Radke, J. Lu*, C. Banic*, W. Leaitch* and J. MacPherson*, 2003:  Mercury emissions from burning of biomass from temperate North American forests: laboratory and airborne measurements.  Atmos. Environ., 37, 253-267. 

Friedli, H., L. Radke, R. Prescott, P. Hobbs and P. Sinha, 2003:  Mercury emissions from the August 2001 wildfires in Washington State and an agricultural waste fire in Oregon and atmospheric mercury budget estimates.  Global Biogeochem. Cycles, 17(2), 1039, doi:10.1029/2002GB001972. 

Gao, R.*, P. Popp*, E. Ray*, K. Rosenlof*, M. Northway*, D. Fahey*, A. Tuck*, C. Webster*, D. Hurst*, S. Schauffler, H. Jost* and T. Bui*, 2002:  Role of NOy as a diagnostic of small-scale mixing in a denitrified polar vortex.  J. Geophys. Res., 107(D24), 4794, doi:10.1029/2002JD002332.

Gettelman, A. and P.M. de F. Forster, 2002:  A climatology of the tropical tropopause layer.  J. Meteor. Soc. Japan, 80, 911-924.

Gettelman, A., D. Seidel*, M. Wheeler* and R. Ross*, 2003:  Multidecadal trends in tropical convective available potential energy.  J. Geophys. Res., 107(D21), 4606, doi:10.1029/2001JD001082.

Geyer, A., B. Alicke, R. Ackermann, M. Martinez, H. Harder, W. Brune, P. di Carlo, E. Williams*, T. Jobson*, S. Hall, R. Shetter and J. Stutz, 2003:  Direct observations of daytime NO3:  Implications for urban boundary layer chemistry.  J. Geophys. Res., 108(D12), 4368, doi:10.1029/2002JD002967.

Greenberg, J. and A. Guenther, 2002:  Tethered-balloon profiling for boundary layer atmospheric chemistry.  Chapter 20 in Environmental Monitoring Handbook, F. Burden, I. McKelvie, U. Forstner and A. Guenther (eds), McGraw-Hill, 20.1-20.14.

Greenberg, J., A. Guenther, P. Harley, L. Otter, E. Veenendaal*, C. Hewitt, A. James and S. Owen, 2003:  Eddy flux and leaf-level measurements of biogenic VOC emissions from mopane woodland of Botswana.  J. Geophys. Res., 108(D13), 8466, doi:10.1029/2002JD002317. 

Greenblatt, J.B., H.-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. Vömel, J-F. Blavier*, B. Sen*, R.A. Stachnik*, G.C. Toon*, A. Engel, M. Müller, U. Schmidt, H. Bremer, R.B. Pierce*, J-M. Sinnhuber, M. Chipperfield and F. Lefevre, 2002:  Tracer-based determination of vortex descent in the 1999/2000 Arctic winter.  J. Geophys. Res., 107(D20), 8279, doi: 10.1029/2001JD000937. 

Gros, V.*, J. Williams*, A. van Aardenne*, G. Salisbury*, R. Hofmann*, M. Lawrence*, R. von Kuhlmann*, J. Lelleveid*, M. Kroi, H. Berresheim*, J. Lobert* and E. Atlas, 2003:  Origin of anthropogenic hydrocarbons and halocarbons measured in the summertime European outflow (on Crete in 2001).  Atmos. Chem. Phys. Discuss., 3, 1893-1923.

Guenther, A., 2002:  The contribution of reactive carbon emissions from vegetation to the carbon balance of terrestrial ecosystems.  Chemosphere, 49, 837-844. 

Hanson, D. and E. Kosciuch, 2003:  The NH3 mass accommodation coefficient for uptake onto sulfuric acid solutions.  J. Phys. Chem. A, 107, 2199-2208. 

Hanson, D., 2003:  Reactivity of BrONO2 and HOBr on sulfuric acid solutions at low temperatures.  J. Geophys. Res., 108(D8), 4239, doi:10.1029/2002JD002519. 

Hanson, D., J. Greenberg, B. Henry and E. Kosciuch, 2003:  Proton transfer reaction mass spectrometry at high drift tube pressure.  Int. J. Mass Spectrometry, 223-224, 507-518. 

Harley, P., L. Otter, A. Guenther and J. Greenberg, 2003:  Micrometeorological and leaf-level measurements of isoprene emissions from a southern African savanna.  J. Geophys. Res., 108(D13), doi:10.1029/2002JD002592. 

Heikes, B., W. Chang, M. Pilson, E. Swift, H. Singh*, A. Guenther, D. Jacob, B. Field, R. Fall, D. Riemer and L. Brand, 2002:  Atmospheric methanol budget and ocean implication.  Global Biogeochem. Cycles, 16(4), 1133, doi:10.1029/2002GB001895.

Herman, R.*, K. Drdla*, J. Spackman, D. Hurst*, P. Popp, C. Webster*, P. Romashkin*, J. Elkins*, E. Weinstock, B. Gandrud, G. Toon*, M. Schoeberl*, H. Jost*, E. Atlas and T. Bui*, 2003:  Hydration, dehydration, and the total hydrogen budget of the 1999-2000 winter Arctic stratosphere.  J. Geophys. Res., 108(D5), 8320, doi:10.1029/2001JD001257.

Herrera, R., R. Garcia, M. Prieto*, E. Hernandez, L. Gimeno and H. Diaz*, 2003:  The use of Spanish historical archives to reconstruct climate variability.  Bull. Amer. Meteor. Soc., 84, 1025-1035.

Hess, P. and T. Vukicevic, 2003:  Intercontinental transport, chemical transformations, and baroclinic systems.  J. Geophys. Res., 108(D12), 4354, doi:10.1029/2002JD002798. 

Jost, Hans-Jürg*, M. Loewenstein*, J. Greenblatt*, J. Podolske*, T. Bui*, D. Hurst*, J. Elkins*, R. Herman*, C. Webster*, S. Schauffler, E. Atlas, P. Newman*, L. Lait* and S. Wofsy, 2002:  Mixing events revealed by anomalous tracer relationships in the Arctic vortex during winter 1999/2000.  J. Geophys. Res., 107(D24), 4795, doi:10.1029/2002JD002380.

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*, 2002:  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: 10.129/2001JD000881.

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

Karl, T.G., C. Spirig*, J. Rinne*, C. Stroud, P. Prevost, J. Greenberg, R. Fall and A. Guenther, 2002:  Virtual disjunct eddy covariance measurements of organic compound fluxes from a subalpine forest using proton transfer reaction mass spectrometry.  Atmos. Chem. Phys., 2, 1-13. 

Kaufmann, M., O. Gusev, K. Grossmann, F. Martin-Torres*, D. Marsh and A. Kutepov, 2003:  Satellite observations of daytime and nighttime ozone in the mesosphere and lower thermosphere.  J. Geophys. Res., 108(D9), 4272, doi:10.1029/2002JD002800.

Khosravi, R., G. Brasseur*, A. Smith, D. Rusch, S. Walters, S. Chabrillat* and G. Kockarts*, 2002:  Response of the mesosphere to human-induced perturbations and solar variability calculated by a 2-D model.  J. Geophys. Res., 107(D18), 4358, doi:10.1029/2001JD001235.  

Klinger, L.F., Q.-J. Li*, A.B. Guenther, J.P. Greenberg, B. Baker* and J.-H. Bai*, 2002:  Assessment of volatile organic compound emissions from ecosystems of China.  J. Geophys. Res., 107(D21), 4603, doi:10.1029/2001JD001076. 

Klonecki, A., P. Hess, L. Emmons, L. Smith, J. Orlando and D. Blake, 2003:  Seasonal changes in the transport of pollutants into Arctic troposphere-model study.  J. Geophys. Res., 108(D4), 8367, doi:10.1029/2002JD002199. 

Kovacs, T., W. Brune, H. Harder, M. Martinez, J. Simpas, G. Frost*, E. Williams*, T. Jobson, C. Stroud, V. Young, A. Fried and B. Wert, 2003:  Direct measurements of urban OH reactivity during Nashville SOS in summer 1999.  J. Environ. Monit., 5, 68-74.

Küll, V., M. Riese, X. Tie, T. Wiemert, G. Eidmann, D. Offermann and G.P. Brasseur*, 2002:  NOy partitioning and aerosol influences in the stratosphere.  J. Geophys. Res., 107(D23), 8183, doi: 10.1029/2001JD001246.

Lamarque, J.-F. and J. Gille, 2003:  Improving the modeling of error variance evolution in the assimilation of chemical species: Application to MOPITT data.  Geophys. Res. Lett., 30(9), 1470, doi:10.1029/2003GL016994. 

Lamarque, J.-F. and P. Hess, 2003:  Model analysis of the temporal and geographical origin of the CO distribution during the TOPSE campaign.  J. Geophys. Res., 108(D4), 8354, doi:10.1029/2002JD002077. 

Lamarque, J.-F. and P. Hess, 2003:  Stratosphere-Troposphere Exchange/Local Processes.  Encyclopedia of Atmospheric Sciences, Holton, Curry & Pyle (eds), Academic Press, pp. 2143-2150.

Lamarque, J.-F., B.V. Khattatov and J.C. Gille, 2002:  Constraining tropospheric ozone column through data assimilation.  J. Geophys. Res., 107(D22), 4651, doi: 10.1029/2001JD001249. 

Lamarque, J.-F., D. Edwards, L. Emmons, J. Gille, O. Wilhelmi, C. Gerbig, D. Prevedel*, M. Deeter, J. Warner, D. Ziskin, B. Khattatov, G. Francis, V. Yudin, S. Ho, D. Mao, J. Chen and J. Drummond, 2003:  Identification of CO plumes from MOPITT data:  Application to the August 2000 Idaho-Montana forest fires.  Geophys. Res. Lett., 30(13), 1688, doi:10.1029/2003GL017503. 

Lee, H. and A. Smith, 2003:  Simulation of the combined effects of solar cycle, quasi-biennial oscillation, and volcanic forcing on stratospheric ozone changes in recent decades.  J. Geophys. Res., 108(D2), 4049, doi:10.1029/2001JD001503. 

Lee, K.-M., J. Park*, Y. Kim, W. Choi, H.-K. Cho, S. Massie, Y. Sasano* and T. Yokota*, 2003:  Properties of polar stratospheric clouds observed by ILAS in early 1997.  J. Geophys. Res., 108(D7), 4228, doi:10.1029/2002JD002854.

Lee-Taylor, J. and S. Madronich, 2002:  Calculation of actinic fluxes with a coupled atmosphere—snow radiative transfer model.  J. Geophys. Res., 107(D24), 4796, doi:10.1029/2002JD002084. 

Mari, C.*, C. Saüt*, D.J. Jacob, F. Ravetta*, B. Anderson*, M.A. Avery, D.R. Blake, W.H. Brune, I. Faloona, G.L. Gregory*, B.G. Heikes, G.W. Sachse*, S.T. Sandholm, H.B. Singh*, R.W. Talbot, D. Tan and S. Vay*, 2003:  Sources of upper tropospheric HOx over the South Pacific Convergence Zone: A case study.  J. Geophys. Res., 108(D2), 8229, doi: 10.1029/2000JD000304.

Marsh, D., A. Smith and E. Noble, 2003:  Mesospheric ozone response to changes in water vapor.  J. Geophys. Res., 108(D3), 4109, doi:10.1029/2002JD002705

Marsh, D.R., W.R. Skinner, A.R. Marshall, P.B. Hays, D.A. Ortland* and J.-H. Yee, 2002:  High resolution Doppler imager observations of ozone in the mesosphere and lower thermosphere.  J. Geophys. Res., 107(D19), 4390, doi: 10.1029/2001JD001505. 

Massie, S. and A. Goldman, 2003:  The infrared absorption cross-section and refractive-index data in HITRAN.  J. Quant. Spectrosc. & Radiat. Transfer, 82, 413-428. 

Massie, S., A. Gettelman, W. Randel and D. Baumgardner, 2002:  Distribution of tropical cirrus in relation to convection.  J. Geophys. Res., 107(D21), 4591, doi: 10.1029/2001JD001293. 

Massie., S., W. Randel, F. Wu, D. Baumgardner and M. Hervig*, 2003:  Halogen Occultation Experiment and Stratospheric Aerosol and Gas Experiment II observations of tropopause cirrus and aerosol during the 1990s.  J. Geophys. Res., 108(D7), 4222, doi:10.1029/2002JD002662.

Mauldin III, R., C. Cantrell, M. Zondlo, E. Kosciuch, B. Ridley, R. Weber and F. Eisele, 2003:  Measurements of OH, H2SO4, and MSA during Tropospheric Ozone Production About the Spring Equinox (TOPSE).  J. Geophys. Res., 108(D4), 8366, doi:10.1029/2002JD002295. 

McCarthy, M., K. Boering, A. Rice, S. Tyler, P. Connell* and E. Atlas, 2003:  Carbon and hydrogen isotopic compositions of stratospheric methane:  2. Two-dimensional model results and implications for kinetic isotope effects.  J. Geophys. Res., 108(D15), 4461, doi:10.1029/2002JD003183.

Miyazaki, Y., Y. Kondo, M. Koike, H. Fuelberg, C. Kiley, K. Kita, N. Takegawa, G. Sachse*, F. Flocke, A. Weinheimer, H. Singh*, F. Eisele, M. Zondlo, R. Talbot, S. Sandholm, M. Avery* and D. Blake, 2003:  Synoptic-scale transport of reactive nitrogen over the western Pacific in spring.  J. Geophys. Res., 108(D20), 8788, doi:10.1029/2002JD003248.

Neff, J., E. Holland, F. Dentener*, W. McDowell and K. Russell, 2002:  The origin, composition and rates of organic nitrogen deposition:  A missing piece of the nitrogen cycle?  Biogeochemistry 57/58, 99-136.

Neuman, J.A.*, L.G. Huey, R.W. Dissly*, F.C. Fehsenfeld*, F. Flocke, J.C. Holecek*, J.S. Holloway*, G. Hübler*, R. Jakoubek*, D.K. Nicks Jr.*, D.D. Parrish*, T.B. Ryerson*, D.T. Sueper* and A.J. Weinheimer, 2002:  Fast-response airborne in situ measurements of HNO3 during the Texas 2000 Air Quality Study.  J. Geophys. Res., 107(D20), 4436, doi: 10.129/2001JD001437.

Nicks Jr., D.*, J. Holloway*, T. Ryerson*, R. Dissly*, D. Parrish*, G. Frost*, M. Trainer*, S. Donnelly, S. Schauffler, E. Atlas, G. Hübler*, D. Sueper* and F. Fehsenfeld*, 2003:  Fossil-fueled power plants as a source of atmospheric carbon monoxide.  J. Environ. Monit.,5, 35-39.

Orlando, J. and G. Tyndall, 2002:  Mechanisms for the reactions of OH with two unsaturated aldehydes: Crotonaldehyde and acrolein.  J. Phys. Chem. A, 106, 12,252-12,259. 

Orlando, J. and G. Tyndall, 2003:  Gas phase UV absorption spectra for peracetic acid, and for acetic acid monomers and dimers.  J. Photochemistry & Photobiology A, 157, 161-166. 

Orlando, J., G. Tyndall, E. Apel, D. Riemer and S. Paulson, 2003:  Rate coefficients and mechanisms of the reaction of Cl-atoms with a series of unsaturated hydrocarbons under atmospheric conditions.  Int. J. Chem. Kinet., 35, 334-353. 

Otter, L., A. Guenther, C. Wiedinmyer, G. Fleming*, P. Harley and J. Greenberg, 2003:  Spatial and temporal variations in biogenic volatile organic compound emissions for Africa south of the equator.  J. Geophys. Res., 108(D13), 8505, doi:10.1029/2002JD002609.

Pan, L.L., W.J. Randel, S.T. Massie, H. Kanzawa*, Y. Sasano*, H. Nakajima*, T. Yokota* and T. Sugita*, 2002:  Variability of polar stratospheric water vapor observed by ILAS.  J. Geophys. Res., 107(D24), 8214, doi: 10.1029/2001JD001164.

Pétron, G., C. Granier*, B. Khattatov, J-F. Lamarque, V. Yudin, J-F. Müller* and J. Gille, 2002:  Inverse modeling of carbon monoxide surface emissions using Climate Monitoring and Diagnostics Laboratory network observations.  J. Geophys. Res., 107(D24), 4761, doi: 10.1029/2001JD001305.

Petters, J., V. Saxena, J. Slusser, B. Wenny* and S. Madronich, 2003:  Aerosol single scattering albedo retrieved from measurements of surface UV irradiance and a radiative transfer model.  J. Geophys. Res., 108(D9), 4288, doi:10.1029/2002JD002360.

Popp, P.J.*, 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 solid-fuel rocket motor.  Geophys. Res. Lett., 29(18), 1887, doi: 10.129/2002GL015197. 

Randel, W., 2003:  Zonal Mean Climatology.  Encyclopedia of Atmospheric Sciences, Holton, Curry & Pyle (eds), Academic Press, pp. 1358-1366. 

Randel, W., F. Wu and W. Rios, 2003:  Thermal variability of the tropical tropopause region derived from GPS/MET observations.  J. Geophys. Res., 108(D1), 4024, doi:10.1029/2002JD002595. 

Rice, A., S. Tyler, M. McCarthy, K. Boering and E. Atlas, 2003:  Carbon and hydrogen isotopic compositions of stratospheric methane:  1. High-precision observations from the NASA ER-2 aircraft.  J. Geophys. Res., 108(D15), 4460, doi:10.1029/2002JD003042.

Ridley, B. and J. Orlando, 2003:  Active nitrogen in surface ozone depletion events at Alert during spring 1998.  J. Atmos. Chem., 44, 1-22. 

Ridley, B., E. Atlas, D. Montzka, E. Browell*, C. Cantrell, D. Blake, N. Blake, L. Cinquini, M. Coffey, L. Emmons, R. Cohen, R. DeYoung*, J. Dibb, F. Eisele, F. Flocke, A. Fried, F. Grahek, W. Grant*, J. Hair*, J. Hannigan, B. Heikes, B. Lefer, R. Mauldin, J. Moody, R. Shetter, J. Snow, R. Talbot, J. Thornton, J. Walega, A. Weinheimer, B. Wert and A. Wimmers, 2003:  Ozone depletion events observed in the high latitude surface layer during the TOPSE aircraft program.  J. Geophys. Res., 108(D4), 8356, doi:10.1029/2001JD001507. 

Roberts, J.*, B. Jobson*, W. Kuster*, P. Goldan*, P. Murphy*, E. Williams*, G. Frost*, D. Riemer, E. Apel, C. Stroud, C. Wiedinmyer and F. Fehsenfeld*, 2003:  An examination of the chemistry of peroxycarboxylic nitric anhydrides and related volatile organic compounds during Texas Air Quality Study 2000 using ground-based measurements.  J. Geophys. Res., 108(D16), 4495, doi:10.1029/2003JD003383.

Roberts, J.M.*, F. Flocke, C.A. Stroud, D. Hereid*, E. Williams*, F. Fehsenfeld*, W. Brune, M. Martinez and H. Harder, 2002:  Ground-based measurements of peroxycarboxylic nitric anhydrides (PANs) during the 1999 Southern Oxidants Study Nashville Intensive.  J. Geophys. Res., 107(D21), 4554, doi: 10.1029/2001JD000947. 

Rothman, L., A. Barbe, D. Benner, L. Brown*, C. Camy-Peyret, M. Carleer, K. Chance, C. Clerbaux, V. Dana, V. Devi, A. Fayt, J.-M. Flaud, R. Gamache, A. Goldman, D. Jacquemart, K. Jucks, W. Lafferty*, J.-Y. Mandin, S. Massie, V. Nemtchinov, D. Newnham*, A. Perrin, C. Rinsland*, J. Schroeder*, K. Smith*, M.A.H. Smith*, K. Tang*, R. Toth*, J. Auwera, P. Varanasi and K. Yoshino, 2003:  The HITRAN molecular spectroscopic database: edition of 2000 including updates through 2001.  J. Quant. Spectrosc. & Radiat. Transfer, 82, 5-44.

Russo, R., R. Talbot, J. Dibb, E. Scheuer, G. Seid, C. Jordan*, H. Fuelberg, G. Sachse*, M. Avery*, S. Vay*, D. Blake, N. Blake, E. Atlas, A. Fried, S. Sandholm, D. Tan, H. Singh*, J. Snow and B. Heikes, 2003:  Chemical composition of Asian continental outflow over the western Pacific:  Results from Transport and Chemical Evolution over the Pacific (TRACE-P).  J. Geophys. Res., 108(D20), 8804, doi:10.1029/2002JD003184.

Ryerson, T.*, M. Trainer*, W. Angevine*, C. Brock*, R. Dissly*, F. Fehsenfeld*, G. Frost*, P. Goldan*, J. Holloway*, G. Hübler*, R. Jakoubeck*, W. Kuster*, J. Neuman*, D. Nicks Jr.*, D. Parrish*, J. Roberts*, D. Sueper*, E. Atlas, S. Donnelly, F. Flocke, A. Fried, W. Potter, S. Schauffler, V. Stroud, A. Weinheimer, B. Wert, C. Wiedinmyer, R. Alvarez*, R. Banta*, L. Darby* and C. Senff*, 2003:  Effect of petrochemical industrial emissions of reactive alkenes and NOx on tropospheric ozone formation in Houston, Texas.  J. Geophys. Res., 108(D8), 4249, doi:10.1029/2002JD003070.

Sassi, F., R.R. Garcia, B.A. Boville and H. Liu, 2002:  On temperature inversions and the mesospheric surf zone.  J. Geophys. Res., 107(D19), 4380, doi: 10.1029/2001JD001525.

Schauffler, S., E. Atlas, S. Donnelly, A. Andrews*, S. Montzka*, J. Elkins*, D. Hurst*, P. Romashkin*, G. Dutton* and V. Stroud, 2003:  Chlorine budget and partitioning during the Stratospheric Aerosol and Gas Experiment (SAGE) III Ozone Loss and Validation Experiment (SOLVE).  J. Geophys. Res., 108(D5), 4173, doi:10.1029/2001JD002040. 

Scheuer, E., R. Talbot, J. Dibb, G. Seid, L. DeBell and B. Lefer, 2003:  Seasonal distributions of fine aerosol sulfate in the North American Arctic basin during TOPSE.  J. Geophys. Res., 108(D4), 8370, doi:10.1029/2001JD001364.

Schmid, O., J. Reeves, J. Wilson, C. Wiedinmyer, C. Brock*, D. Toohey, L. Avallone, A. Gates and M. Ross*, 2003: Size-resolved particle emission indices in the stratospheric plume of an Athena II rocket.  J. Geophys. Res., 108(D8), 4250, doi:10.1029/2002JD002486.

Shetter, R., W. Junkermann*, W. Swartz, G. Frost, J. Crawford*, B. Lefer, J. Barrick*, S. Hall, A. Hofzumahaus*, A. Bais, J. Calvert, C. Cantrell, S. Madronich, M. Müller*, A. Kraus*, P. Monks, G. Edwards, R. McKenzie*, P. Johnston*, R. Schmitt*, E. Griffioen*, M. Krol*, A. Kylling*, R. Dickerson, S. Lloyd, T. Martin*, B. Gardiner*, B. Mayer*, G. Pfister, E. Röth*, P. Koepke, A. Ruggaber, H. Schwander and M. van Weele*, 2003:  Photolysis frequency of NO2:  Measurement and modeling during the International Photolysis Frequency Measurement and Modeling Intercomparison (IPMMI).  J. Geophys. Res., 108(D16), 8544, doi:10.1029/2002JD002932. 

Shetter, R.E., L. Cinquini, B.L. Lefer, S.R. Hall and S. Madronich, 2002:  Comparison of airborne measured and calculated spectral actinic flux and derived photolysis frequencies during the PEM Tropics B mission.  J. Geophys. Res., 108(D2), 8234, doi: 10.1029/2001JD001320. 

Shine, K., M. Bourqui, P. Forster, S. Hare, U. Langematz, P. Braesicke, V. Grewe*, M. Ponater*, C. Schnadt*, C. Smith*, J. Haigh*, J. Austin*, N. Butchart*, D. Shindell*, W. Randel, T. Nagashima*, R. Portmann*, S. Solomon*, D. Seidel*, J. Lanzante*, S. Klein*, V. Ramaswamy* and M. Schwarzkopf*, 2003:  A comparison of model-simulated trends in stratospheric temperatures.  Q.J.R. Meteorol. Soc., 129, 1565-1588.

Simpson, I., N. Blake, D. Blake, E. Atlas, F. Flocke, J. Crawford*, H. Fuelberg, C. Kiley, S. Meinardi and F. Rowland, 2003:  Photochemical production and evolution of selected C2—C5 alkyl nitrates in tropospheric air influenced by Asian outflow.  J. Geophys. Res., 108(D20), 8808, doi:10.1029/2002JD002830.

Simpson, I.J., S. Meinardi, D.R. Blake, N.J. Blake, F.S. Rowland, E. Atlas and F. Flocke, 2002:  A biomass burning source of C1—C4 alkyl nitrates.  Geophys. Res. Lett., 29(24), 2168, doi: 10.1029/2002GL016290.

Skamarock, W., J. Dye, E. Defer, M. Barth, J. Stith, B. Ridley and K. Baumann, 2003:  Observational- and modeling-based budget of lightning-produced  NOx in a continental thunderstorm.  J. Geophys. Res., 108(D10), 4305, doi:10.1029/2002JD002163.

Slusher, D.L., L.G. Huey, D.J. Tanner, G. Chen, D.D. Davis, M. Buhr, J.B. Nowak*, F.L. Eisele, E. Kosciuch, R.L. Mauldin, B.L. Lefer, R.E. Shetter and J.E. Dibb, 2002:  Measurements of pernitric acid at the South Pole during ISCAT 2000.  Geophys. Res. Lett., 29(21), 2011, doi: 10.1029/2002GL015703.

Smith, A., Middle Atmosphere Planetary Waves.  Encyclopedia of Atmospheric Sciences, Holton, Curry & Pyle (eds), Academic Press, pp. 1314-1322.

Smith, A., D. Marsh and A. Szymczak, 2003:  Interaction of chemical heating and the diurnal tide in the mesosphere.  J. Geophys. Res., 108(D5), 4164, doi:10.1029/2002JD002664. 

Snow, J., B. Heikes, J. Merrill, A. Wimmers, J. Moody and C. Cantrell, 2003:  Winter-spring evolution and variability of HOx reservoir species, hydrogen peroxide, and methyl hydroperoxide, in the northern middle to high latitudes.  J. Geophys. Res., 108(D4), 8362, doi:10.1029/2002JD002172.

SPARC Intercomparison of Middle Atmosphere Climatologies, WCRP 116, Dec. 2002:  W. Randel, M.-L. Chanin and C. Michaut (eds), (WMO, No. 1142, SPARC Report No. 3) pp. 1-96.

Staudt, A., D. Jacob, F. Ravetta, J. Logan, D. Bachiochi, T. Krishnamurti, S. Sandholm, B. Ridley, H. Singh* and B. Talbot, 2003:  Sources and chemistry of nitrogen oxides over the tropical Pacific.  J. Geophys. Res., 108(D2), 8239, doi:10.1029/2002JD002139.

Stevens, B., D. Lenschow, G. Vali, H. Gerber*, A. Bandy, B. Blomquist, J.-L. Brenguier*, C. Bretherton, F. Burnet*, T. Campos, S. Chai*, I. Faloona, D. Friesen, S. Haimov, K. Laursen, D. Lilly, S. Loehrer, S. Malinowski, B. Morley, M. Petters, D. Rogers, L. Russell, V. Savic-Jovcic, J. Snider, D. Straub, M. Szumowski*, H. Takagi, D. Thornton, M. Tschudi, C. Twohy, M. Wetzel* and M. van Zanten, 2003:  Dynamics and chemistry of marine stratocumulus-Dycoms-II.  American Meteorological Society, doi:10.1175/BAMS-84-5-579-593.

Stroud, C., S. Madronich, E. Atlas, B. Ridley, F. Flocke, A. Weinheimer, B. Talbot, A. Fried, B. Wert, R. Shetter, B. Lefer, M. Coffey, B. Heikes and D. Blake, 2003:  Photochemistry in the arctic free troposphere:  NOx budget and the role of odd nitrogen reservoir recycling.  Atmospheric Environment, 37, 3351-3364. 

Swanson, A., N. Blake, E. Atlas, F. Flocke, D. Blake and F. Rowland, 2003:  Seasonal variations of C2-C4 nonmethane hydrocarbons and C1-C4 alkyl nitrates at the Summit research station in Greenland.  J. Geophys. Res., 108(D2), 4065, doi:10.1029/2001JD001445.

Tanaka, P., D. Riemer, S. Chang, G. Yarwood*, E. McDonald-Buller, E. Apel, J. Orlando, P. Silva*, J. Jimenez, M. Canagaratna*, J. Neece*, C. Mullins and D. Allen, 2003:  Direct evidence for chlorine-enhanced urban ozone formation in Houston, Texas.  Atmos. Environ., 37, 1392-1400.

Tie, X., A. Guenther and E. Holland, 2003:  Biogenic methanol and its impacts on tropospheric oxidants.  Geophys. Res. Lett, 30(17), 1881, doi:10.1029/2003GL017167. 

Tie, X., L. Emmons, L. Horowitz, G. Brasseur*, B. Ridley, E. Atlas, C. Stroud, P. Hess, A. Klonecki, S. Madronich, R. Talbot and J. Dibb, 2003:  Effect of sulfate aerosol on tropospheric NOx and ozone budgets: Model simulations and TOPSE evidence.  J. Geophys. Res., 108(D4), 8364, doi:10.1029/2001JD001508. 

Tittel, F., D. Richter and A. Fried, 2003:  Mid-infrared laser applications in spectroscopy.  Chapter 12 in Solid-State Mid-Infrared Laser Sources, Topics Appl. Phys., 89, 445-516, I.T. Sorokina and K.L. Vodopyanov (eds), Springer-Verlag.

Twohy, C.H., C.F. Clement*, B.W. Gandrud, A.J. Weinheimer, T.L. Campos, D. Baumgardner, W.H. Brune, I. Faloona, G.W. Sachse*, S.A. Vay* and D. Tan, 2002:  Deep convection as a source of new particles in the midlatitude upper troposphere.  J. Geophys. Res., 107(D21), 4560, doi: 10.1029/2001JD000323.

Voisin, D., J. Smith, H. Sakurai, P. McMurry and F. Eisele, 2003:  Thermal desorption chemical ionization mass spectrometer for ultrafine particle chemical composition.  Aerosol. Sci. Technol., 37, 471-475. 

von Clarmann, T.*, A. Dudhia, D.P. Edwards, B. Funke*, M. Höpfner*, B. Kerridge*, V. Kostsov, A. Linden*, M. López-Puertas and Y. Timofeyev, 2002:  Intercomparison of radiative transfer codes under non-local thermodynamic equilibrium conditions.  J. Geophys. Res., 107(D22), 4631, doi: 10.1029/2001JD001551.

Wang, Y., B. Ridley, A. Fried, C. Cantrell, D. Davis, G. Chen, J. Snow, B. Heikes, R. Talbot, J. Dibb, F. Flocke, A. Weinheimer, N. Blake, D. Blake, R. Shetter, B. Lefer, E. Atlas, M. Coffey, J. Walega and B. Wert, 2003:  Springtime photochemistry at northern mid and high latitudes.  J. Geophys. Res., 108(D4), 8358, doi:10.1029/2002JD002227.

Weber, R., D. Orsini, B. Wang, E. Scheuer, R. Talbot, J. Dibb, G. Seid, L. DeBell, R. Mauldin, E. Kosciuch, C. Cantrell and F. Eisele, 2003:  Investigations into free tropospheric new particle formation in the central Canadian arctic during the winter/spring transition as part of TOPSE.  J. Geophys. Res., 108(D4), 8357, doi:10.1029/2002JD002239.

Wei, C.-F.*, V.R. Kotamarthi*, O.J. Ogunsola*, L.W. Horowitz*, S. Walters, D.J. Wuebbles*, M.A. Avery*, D.R. Blake, E.V. Browell* and G.W. Sachse*, 2002.  Seasonal variability of ozone mixing ratios and budgets in the tropical southern Pacific: A GCTM perspective.  J. Geophys. Res., 108(D2), 8235, doi: 10.1029/2001JD000772.

Wert, B., A. Fried, S. Rauenbuehler, J. Walega and B. Henry, 2003:  Design and performance of a tunable diode laser absorption spectrometer for airborne formaldehyde measurements.  J. Geophys. Res., 108(D12), 4350, doi:10.1029/2002JD002872. 

Wert, B., M. Trainer*, A. Fried, T. Ryerson*, B. Henry, W. Potter, W. Angevine*, E. Atlas, S. Donnelly, F. Fehsenfeld*, G. Frost*, P. Goldan*, A. Hansel, J. Holloway*, G. Hubler*, W. Kuster*, D. Nicks Jr. *, J. Neuman*, D. Parrish*, S. Schauffler, J. Stutz, D. Sueper*, C. Wiedinmyer and A. Wisthaler, 2003:  Signatures of terminal alkene oxidation in airborne formaldehyde measurements during TexAGS 2000.  J. Geophys. Res., 108(D3), 4104, doi:10.1029/2002JD002502. 

Wimmers, A., J. Moody, E. Browell*, J. Hair*, W. Grant*, C. Butler*, M. Fenn*, C. Schmidt, J. Li and B. Ridley, 2003:  Signatures of tropopause folding in satellite imagery, 2003:  J. Geophys. Res., 108(D4), 8360, doi:10.1029/2001JD001358.

Xu, J.*, A. Smith and R. Ma*, 2003:  A numerical study of the effect of gravity-wave propagation on minor species distribution in the mesopause region.  J. Geophys. Res., 108(D3), 4119, doi:10.1029/2001JD001570. 

Zhang, R., X. Tie and D. Bond, 2003:  Impacts of anthropogenic and natural NOx sources over the U.S. on tropospheric chemistry.  Proc. Nat. Academy of Science, 100, 1505-1509.

Zondlo, M., R. Mauldin, E. Kosciuch, C. Cantrell and F. Eisele, 2003:  Development and characterization of an airborne-based instrument used to measure nitric acid during the NASA Transport and Chemical Evolution over the Pacific field experiment.  J. Geophys. Res., 108(D20), 8793, doi:10.1029/2002JD003234. 

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