Ronald C. Cohen

Organization

University of California, Berkeley

Contact person by email

Business Address

Hildebrand Hall
UC Berkeley
Berkeley, CA 94720-1460
United States

Website

Cohen Group

First Author Publications

Cohen, R.C., et al. (1994), Are Models of Catalytic Removal of O3 by HOx accurate? Constraints From in situ Measurements of the OH to HO2 Ratio, Geophys. Res. Lett., 21, 2539-2542.

Note: Only publications that have been uploaded to the ESD Publications database are listed here.

Co-Authored Publications

Shah, V., et al. (2023), Nitrogen oxides in the free troposphere: implications for tropospheric oxidants and the interpretation of satellite NO2 measurements, Atmos. Chem. Phys., doi:10.5194/acp-23-1227-2023.
Day, D.A., et al. (2022), A systematic re-evaluation of methods for quantification of bulk particle-phase organic nitrates using real-time aerosol mass spectrometry, Atmos. Meas. Tech., 15, 459-483, doi:10.5194/amt-15-459-2022.
Li, ., et al. (2022), Direct retrieval of NO2 vertical columns from UV-Vis (390-495 nm) spectral radiance using a neural network, Journal of Remote Sensing, ID, article, doi:10.34133/2022/9817134.
Li, C., et al. (2022), AAAS Journal of Remote Sensing Volume 2022, Article ID 9817134, 17 pages, Journal of Remote Sensing, 9817134, doi:10.34133/2022/9817134.
Li, ., et al. (2022), Accelerated reduction of air pollutants in China, 2017-2020, Science of the Total Environment, 803, 150011, doi:10.1016/j.scitotenv.2021.150011.
Wolfe, G.M., et al. (2022), Photochemical evolution of the 2013 California Rim Fire: synergistic impacts of reactive hydrocarbons and enhanced oxidants, Atmos. Chem. Phys., doi:10.5194/acp-22-4253-2022.
Zhu, Q., et al. (2022), Combining machine learning and satellite observations to predict spatial and temporal variation of surface OH in cities, Env. Sci and Tech., 56, 7362-7371, doi:10.1021/acs.est.1c05636.
Zhu, Q., et al. (2022), RESEARCH ARTICLE EARTH, ATMOSPHERIC, AND PLANETARY SCIENCES OPEN ACCESS Estimate of OH trends over one decade in North American cities, Proc. Natl. Acad. Sci., doi:10.1073/pnas.2117399119.
Jin, X., et al. (2021), Direct estimates of biomass burning NOx emissions and lifetime using daily observations from TROPOMI, Atmos. Chem. Phys., doi:10.5194/acp-2021-381.
Jin, X., et al. (2021), Direct estimates of biomass burning NOx emissions and lifetimes using daily observations from TROPOMI, Atmos. Chem. Phys., 21, 15569-15587, doi:10.5194/acp-21-15569-2021.
Kenagy, H.S., et al. (2021), Evidence of Nighttime Production of Organic Nitrates During SEAC4 RS, FRAPPÉ, and KORUS-AQ, Geophys. Res. Lett..
Kenagy, H.S., et al. (2021), Contribution of Organic Nitrates to Organic Aerosol over South Korea during KORUS-AQ, Environ. Sci. Technol., 55, 16326-16338, doi:10.1021/acs.est.1c05521.
Li, C., and R.C. Cohen (2021), Space-Borne Estimation of Volcanic Sulfate Aerosol Lifetime, J. Geophys. Res..
Li, ., and R.C. Cohen (2021), Space-borne estimation of volcanic sulfate aerosol lifetime, J. Geophys. Res., 126, org/10.1029/2020JD033883.
Liu, X., et al. (2021), The potential for geostationary remote sensing of NO2 to improve weather prediction, Atmos. Chem. Phys., 21, 9573-9583, doi:10.5194/acp-21-9573-2021.
Turner, A.J., et al. (2021), Observed Impacts of COVID-19 on Urban CO2 Emissions, Geophys. Res. Lett..
Choi, S., et al. (2020), Assessment of NO2 observations during DISCOVER-AQ and KORUS-AQ field campaigns, Atmos. Meas. Tech., 13, 2523-2546, doi:10.5194/amt-13-2523-2020.
Delaria, E.R., and R.C. Cohen (2020), A model-based analysis of foliar NOx deposition, Atmos. Chem. Phys., 20, 2123-2141, doi:10.5194/acp-20-2123-2020.
Turner, A.J., et al. (2020), A double peak in the seasonality of California’s photosynthesis as observed from space, Biogeosciences, 17, 405-422, doi:10.5194/bg-17-405-2020.
Turner, A.J., et al. (2020), manuscript submitted to Geophysical Research Letters Extreme events driving year-to-year differences in gross primary productivity across the US, CC_BY_NC_ND_4.0 , First posted online: Tue, 36, doi:10.1002/essoar.10504378.1.
Haskins, J.D., et al. (2019), Anthropogenic Control Over Wintertime Oxidation of Atmospheric Pollutants, Geophys. Res. Lett., 46, 14,826-14,835, doi:10.1029/2019GL085498.
Laughner, J., and R.C. Cohen (2019), Direct observation of changing NOx lifetime in North American cities, Science, 366, 723-727, doi:10.1126/science.aax6832.
Sparks, T.L., et al. (2019), Comparison of Airborne Reactive Nitrogen Measurements During WINTER, J. Geophys. Res., 124, 10,483-10,502, doi:10.1029/2019JD030700.
Zhu, Q., et al. (2019), Lightning NO2 simulation over the contiguous US and its effects on satellite NO2 retrievals, Atmos. Chem. Phys., 19, 13067-13078, doi:10.5194/acp-19-13067-2019.
Mao, J., et al. (2018), Southeast Atmosphere Studies: learning from model-observation syntheses, Atmos. Chem. Phys., 18, 2615-2651, doi:10.5194/acp-18-2615-2018.
McDuffie, E., et al. (2018), ClNO2 Yields From Aircraft Measurements During the 2015 WINTER Campaign and Critical Evaluation of the Current Parameterization, J. Geophys. Res., 123, 12,994-13,015, doi:10.1029/2018JD029358.
Romer, P.S., et al. (2018), Cite This: Environ. Sci. Technol. 2018, 52, 13738−13746 pubs.acs.org/est Constraints on Aerosol Nitrate Photolysis as a Potential Source of HONO and NOx, Environ. Sci. Technol., doi:10.1021/acs.est.8b03861.
Nault, B.A., et al. (2017), Lightning NOx Emissions: Reconciling Measured and Modeled Estimates With Updated NOx Chemistry, Geophys. Res. Lett., 44, 9479-9488, doi:10.1002/2017GL074436.
Nault, B.A., et al. (2016), Observational Constraints on the Oxidation of NOx in the Upper Troposphere, J. Phys. Chem. A, 120, 1468-1478, doi:10.1021/acs.jpca.5b07824.
Pusede, S.E., et al. (2016), On the effectiveness of nitrogen oxide reductions as a control over ammonium nitrate aerosol, Atmos. Chem. Phys., 16, 2575-2596, doi:10.5194/acp-16-2575-2016.
Travis, K., et al. (2016), Why do models overestimate surface ozone in the Southeast United States?, Atmos. Chem. Phys., 16, 13561-13577, doi:10.5194/acp-16-13561-2016.
Barth, M.C., et al. (2015), The Deep Convective Clouds And Chemistry (Dc3) Field Campaign, Bull. Am. Meteorol. Soc., 1281-1310.
Emmons, L.K., et al. (2015), The POLARCAT Model Intercomparison Project (POLMIP): overview and evaluation with observations, Atmos. Chem. Phys., 15, 6721-6744, doi:10.5194/acp-15-6721-2015.
Nault, B.A., et al. (2015), Measurements of CH3O2NO2 in the upper troposphere, Atmos. Meas. Tech., 8, 987-997, doi:10.5194/amt-8-987-2015.
Pusede, S.E., et al. (2015), Temperature and Recent Trends in the Chemistry of Continental Surface Ozone, Chem. Rev., 115, 3898-3918, doi:10.1021/cr5006815.
Teng, A.P., et al. (2015), Hydroxy nitrate production in the OH-initiated oxidation of alkenes, Atmos. Chem. Phys., 15, 4297-4316, doi:10.5194/acp-15-4297-2015.
Barth, M., et al. (2014), The Deep Convective Clouds and Chemistry (DC3) Field Campaign,, Bull. Am. Meteorol. Soc., doi:10.1175/BAMS-D-13-00290.1.
Browne, E.C., et al. (2014), On the role of monoterpene chemistry in the remote continental boundary layer, Atmos. Chem. Phys., 14, 1225-1238, doi:10.5194/acp-14-1225-2014.
Mebust, ., and R.C. Cohen (2014), Space-based observations of fire NOx emission coefficients: a global biome-scale comparison, Atmos. Chem. Phys., 14, 2509-2524, doi:10.5194/acp-14-2509-2014.
Valin, ., et al. (2014), Chemical feedback effects on the spatial patterns of the NOx weekend effect: a sensitivity analysis, Atmos. Chem. Phys., 14, 1-9, doi:10.5194/acp-14-1-2014.
Bertram, T., et al. (2013), On the export of reactive nitrogen from Asia: NOx partitioning and effects on ozone, Atmos. Chem. Phys., 13, 4617-4630, doi:10.5194/acp-13-4617-2013.
Brent, L.C., et al. (2013), Evaluation of the use of a commercially available cavity ringdown absorption spectrometer for measuring NO2 in flight, and observations over the Mid-Atlantic States, during DISCOVER-AQ, J. Atmos. Chem., doi:10.1007/s10874-013-9265-6.
Browne, E.C., et al. (2013), Observations of total RONO2 over the boreal forest: NOx sinks and HNO3 sources, Atmos. Chem. Phys., 13, 4543-4562, doi:10.5194/acp-13-4543-2013.
Mao, J., et al. (2013), Ozone and organic nitrates over the eastern United States: Sensitivity to isoprene chemistry, J. Geophys. Res., 118, 11256-11268, doi:10.1002/jgrd.50817.
Mebust, A.K., and R.C. Cohen (2013), Observations of a seasonal cycle in NOx emissions from fires in African woody savannas, Geophys. Res. Lett., 40, 1451-1455, doi:10.1002/grl.50343.
Perring, A.E., et al. (2013), An Observational Perspective on the Atmospheric Impacts of Alkyl and Multifunctional Nitrates on Ozone and Secondary Organic Aerosol, Chemical Reviews, 113, 5848-5870, doi:10.1021/cr300520x.
Rollins, A.W., et al. (2013), Gas/particle partitioning of total alkyl nitrates observed with TD-LIF in Bakersfield, J. Geophys. Res., 118, 6651-6662, doi:10.1002/jgrd.50522.
Ryerson, T.B., et al. (2013), The 2010 California Research at the Nexus of Air Quality and Climate Change (CalNex) field study, J. Geophys. Res., 118, 5830-5866, doi:10.1002/jgrd.50331.
Valin, L.C., et al. (2013), Variations of OH radical in an urban plume inferred from NO2 column measurements, Geophys. Res. Lett., 40, 1856-1860, doi:10.1002/grl.50267.
Xie, Y., et al. (2013), Understanding the impact of recent advances in isoprene photooxidation on simulations of regional air quality, Atmos. Chem. Phys., 13, 8439-8455, doi:10.5194/acp-13-8439-2013.
Henderson, ., et al. (2012), Combining Bayesian methods and aircraft observations to constrain the HO q + NO2 reaction rate, Atmos. Chem. Phys., 12, 653-667, doi:10.5194/acp-12-653-2012.
Hudman, ., et al. (2012), Steps towards a mechanistic model of global soil nitric oxide emissions: implementation and space based-constraints, Atmos. Chem. Phys., 12, 7779-7795, doi:10.5194/acp-12-7779-2012.
Pusede, S.E., and R.C. Cohen (2012), On the observed response of ozone to NOx and VOC reactivity reductions in San Joaquin Valley California 1995–present, Atmos. Chem. Phys., 12, 8323-8339, doi:10.5194/acp-12-8323-2012.
Russell, ., et al. (2012), Trends in OMI NO2 observations over the United States: effects of emission control technology and the economic recession, Atmos. Chem. Phys., 12, 12197-12209, doi:10.5194/acp-12-12197-2012.
Browne, E.C., et al. (2011), Global and regional effects of the photochemistry of CH3O2NO2: evidence from ARCTAS, Atmos. Chem. Phys., 11, 4209-4219, doi:10.5194/acp-11-4209-2011.
Fried, A., et al. (2011), Detailed comparisons of airborne formaldehyde measurements with box models during the 2006 INTEX-B and MILAGRO campaigns: potential evidence for significant impacts of unmeasured and multi-generation volatile organic carbon compounds, Atmos. Chem. Phys., 11, 11867-11894, doi:10.5194/acp-11-11867-2011.
Henderson, ., et al. (2011), Evaluation of simulated photochemical partitioning of oxidized nitrogen in the upper troposphere, Atmos. Chem. Phys., 11, 275-291, doi:10.5194/acp-11-275-2011.
Mebust, ., et al. (2011), Characterization of wildfire NOx emissions using MODIS fire radiative power and OMI tropospheric NO2 columns, Atmos. Chem. Phys., 11, 5839-5851, doi:10.5194/acp-11-5839-2011.
Russell, ., et al. (2011), A high spatial resolution retrieval of NO2 column densities from OMI: method and evaluation, Atmos. Chem. Phys., 11, 8543-8554, doi:10.5194/acp-11-8543-2011.
Valin, ., et al. (2011), Effects of model resolution on the interpretation of satellite NO2 observations, Atmos. Chem. Phys., 11, 11647-11655, doi:10.5194/acp-11-11647-2011.
Valin, ., et al. (2011), Observation of slant column NO2 using the super-zoom mode of AURA-OMI, Atmos. Meas. Tech., 4, 1929-1935, doi:10.5194/amt-4-1929-2011.
Adhikary, B., et al. (2010), A regional scale modeling analysis of aerosol and trace gas distributions over the eastern Pacific during the INTEX-B field campaign, Atmos. Chem. Phys., 10, 2091-2115, doi:10.5194/acp-10-2091-2010.
Adhikary, B., et al. (2010), Trans-Pacific transport and evolution of aerosols and trace gases from Asia during the INTEX-B field campaign, Atmos. Chem. Phys. Discuss., 10, 2091-2115.
Alvarado, M.J., et al. (2010), Nitrogen oxides and PAN in plumes from boreal fires during ARCTAS-B and their impact on ozone: an integrated analysis of aircraft and satellite observations, Atmos. Chem. Phys., 10, 9739-9760, doi:10.5194/acp-10-9739-2010.
Bucsela, E., et al. (2010), Lightning‐generated NOx seen by the Ozone Monitoring Instrument during NASA’s Tropical Composition, Cloud and Climate Coupling Experiment (TC4), J. Geophys. Res., 115, D00J10, doi:10.1029/2009JD013118.
Choi, W., et al. (2010), Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons, Atmos. Chem. Phys., 10, 8761-8781, doi:10.5194/acp-10-8761-2010.
Hains, J., et al. (2010), Testing and improving OMI DOMINO tropospheric NO2 using observations from the DANDELIONS and INTEX‐B validation campaigns, J. Geophys. Res., 115, D05301, doi:10.1029/2009JD012399.
Hudman, ., et al. (2010), Interannual variability in soil nitric oxide emissions over the United States as viewed from space, Atmos. Chem. Phys., 10, 9943-9952, doi:10.5194/acp-10-9943-2010.
Mao, J., et al. (2010), Chemistry of hydrogen oxide radicals (HOx) in the Arctic troposphere in spring, Atmos. Chem. Phys., 10, 5823-5838, doi:10.5194/acp-10-5823-2010.
Perring, A.E., et al. (2010), Alkylnitrate production and persistence in Mexico City plumes, Atmos. Chem. Phys. Discuss., 9, 23755-23790.
Perring, A.E., et al. (2010), The production and persistence of ΣRONO2 in the Mexico City plume, Atmos. Chem. Phys., 10, 7215-7229, doi:10.5194/acp-10-7215-2010.
Russell, ., et al. (2010), Space-based Constraints on Spatial and Temporal Patterns of NOx Emissions in California, 2005-2008, Environ. Sci. Technol., 44, 3608-3615, doi:10.1021/es903451j.
Singh, H.B., et al. (2010), Pollution influences on atmospheric composition and chemistry at high northern latitudes: Boreal and California forest fire emissions, Atmos. Environ., 44, 4553-4564, doi:10.1016/j.atmosenv.2010.08.026.
Walker, ., et al. (2010), Trans-Pacific transport of reactive nitrogen and ozone to Canada during spring, Atmos. Chem. Phys., 10, 8353-8372, doi:10.5194/acp-10-8353-2010.
Wooldridge, P.J., et al. (2010), Total Peroxy Nitrates ( PNs) in the atmosphere: the Thermal Dissociation-Laser Induced Fluorescence (TD-LIF) technique and comparisons to speciated PAN measurements, Atmos. Meas. Tech., 3, 593-607, doi:10.5194/amt-3-593-2010.
Cooper, O.R., et al. (2009), Summertime buildup and decay of lightning NOx and aged thunderstorm outflow above North America, J. Geophys. Res., 114, D01101, doi:10.1029/2008JD010293.
Mao, J., et al. (2009), Airborne measurement of OH reactivity during INTEX-B, Atmos. Chem. Phys., 9, 163-173, doi:10.5194/acp-9-163-2009.
McNaughton, ., et al. (2009), Observations of heterogeneous reactions between Asian pollution and mineral dust over the Eastern North Pacific during INTEX-B, Atmos. Chem. Phys., 9, 8283-8308, doi:10.5194/acp-9-8283-2009.
Perring, A.E., et al. (2009), Airborne observations of total RONO2: new constraints on the yield and lifetime of isoprene nitrates, Atmos. Chem. Phys., 9, 1451-1463, doi:10.5194/acp-9-1451-2009.
Perring, A.E., et al. (2009), A product study of the isoprene+NO3 reaction, Atmos. Chem. Phys., 9, 4945-4956, doi:10.5194/acp-9-4945-2009.
Boersma, K.F., et al. (2008), Validation of OMI tropospheric NO2 observations during INTEX-B and application to constrain NOx emissions over the eastern United States and Mexico, Atmos. Environ., 42, 4480-4497, doi:10.1016/j.atmosenv.2008.02.004.
Bucsela, E., et al. (2008), Comparison of tropospheric NO2 from in situ aircraft measurements with near-real-time and standard product data from OMI, J. Geophys. Res., 113, D16S31, doi:10.1029/2007JD008838.
Day, D.A., et al. (2008), Observations of the effects of temperature on atmospheric HNO3, ANs, PNs, and NOx: evidence for a temperature-dependent HOx source, Atmos. Chem. Phys., 8, 1867-1879, doi:10.5194/acp-8-1867-2008.
Fried, A., et al. (2008), Role of convection in redistributing formaldehyde to the upper troposphere over North America and the North Atlantic during the summer 2004 INTEX campaign, J. Geophys. Res., 113, D17306, doi:10.1029/2007JD009760.
Ren, ., et al. (2008), HOx chemistry during INTEX-A 2004: Observation, model calculation, and comparison with previous studies, J. Geophys. Res., 113, D05310, doi:10.1029/2007JD009166.
Zhang, L., et al. (2008), Transpacific transport of ozone pollution and the effect of recent Asian emission increases on air quality in North America: an integrated analysis using satellite, aircraft, ozonesonde, and surface observations, Atmos. Chem. Phys., 8, 6117-6136, doi:10.5194/acp-8-6117-2008.
Bertram, T., et al. (2007), Direct Measurements of the Convective Recycling of the Upper Troposphere, Science, 315, 816-820, doi:10.1126/science.1134548.
Horowitz, L.W., et al. (2007), Observational constraints on the chemistry of isoprene nitrates over the eastern United States, J. Geophys. Res., 112, D12S08, doi:10.1029/2006JD007747.
Hudman, ., et al. (2007), Surface and lightning sources of nitrogen oxides over the United States: Magnitudes, chemical evolution, and outflow, J. Geophys. Res., 112, D12S05, doi:10.1029/2006JD007912.
Kim, S., et al. (2007), Measurement of HO2NO2 in the free troposphere during the Intercontinental Chemical Transport Experiment–North America 2004, J. Geophys. Res., 112, D12S01, doi:10.1029/2006JD007676.
Liang, Q., et al. (2007), Summertime influence of Asian pollution in the free troposphere over North America, J. Geophys. Res., 112, D12S11, doi:10.1029/2006JD007919.
Loughner, C., et al. (2007), A Method to Determine the Spatial Resolution Required to Observe Air Quality From Space, IEEE Trans. Geosci. Remote Sens., 45, 1308-1314, doi:10.1109/TGRS.2007.893732.
Pérez, I.M., et al. (2007), Laboratory evaluation of a novel thermal dissociation chemiluminescence method for in situ detection of nitrous acid, Atmos. Environ., 41, 3993-4001, doi:10.1016/j.atmosenv.2007.01.060.
Pierce, R.B., et al. (2007), Chemical data assimilation estimates of continental U.S. ozone and nitrogen budgets during the Intercontinental Chemical Transport Experiment–North America, J. Geophys. Res., 112, D12S21, doi:10.1029/2006JD007722.
Singh, H.B., et al. (2007), Reactive nitrogen distribution and partitioning in the North American troposphere and lowermost stratosphere, J. Geophys. Res., 112, D12S04, doi:10.1029/2006JD007664.
Cooper, O.R., et al. (2006), Large upper tropospheric ozone enhancements above midlatitude North America during summer: In situ evidence from the IONS and MOZAIC ozone measurement network, J. Geophys. Res., 111, D24S05, doi:10.1029/2006JD007306.
Martin, R., et al. (2006), Evaluation of space-based constraints on global nitrogen oxide emissions with regional aircraft measurements over and downwind of eastern North America, J. Geophys. Res., 111, D15308, doi:10.1029/2005JD006680.
Bertram, T., et al. (2005), Satellite measurements of daily variations in soil NOx emissions, Geophys. Res. Lett., 32, L24812, doi:10.1029/2005GL024640.
Murphy, D., et al. (2004), Measurements of the sum of HO2NO2 and CH3O2NO2 in the remote troposphere, Atmos. Chem. Phys., 4, 377-384, doi:10.5194/acp-4-377-2004.
Day, D.A., et al. (2003), On alkyl nitrates, O3, and the ‘‘missing NOy’’, J. Geophys. Res., 108, 4501, doi:10.1029/2003JD003685.
Thornton, ., et al. (2003), Comparisons of in situ and long path measurements of NO2 in urban plumes, J. Geophys. Res., 108, 4496, doi:10.1029/2003JD003559.
Wood, E.C., et al. (2003), Prototype for In Situ Detection of Atmospheric NO3 and N2O5 via Laser-Induced Fluorescence, Environ. Sci. Technol., 37, 5732-5738, doi:10.1021/es034507w.
Cleary, P.A., et al. (2002), Laser-induced fluorescence detection of atmospheric NO2 with a commercial diode laser and a supersonic expansion, Appl. Opt., 41, 6950-6956.
Day, D.A., et al. (2002), A thermal dissociation laser-induced fluorescence instrument for in situ detection of NO2, peroxy nitrates, alkyl nitrates, and HNO3, J. Geophys. Res., 107, doi:10.1029/2001JD000779.
Thornton, ., et al. (2002), Ozone production rates as a function of NOx abundances and HOx production rates in the Nashville urban plume, J. Geophys. Res., 107, NO. D12, doi:10.1029/2001JD000932.
Lanzendorf, E.J., et al. (2001), Establishing the dependence of [HO2]/[OH] on temperature, halogen loading, O3, and Nox based on in situ measurements from the NASA ER-2, J. Phys. Chem. A, 105, 1535-1542.
Perkins, K.K., et al. (2001), The Nox-HNO3 System in the lower stratosphere: Insights from in situ measurements and implications of the JHNO3-[OH] relationship, J. Phys. Chem. A, 105, 1521-1534.
Voss, P.B., et al. (2001), Inorganic chlorine partitioning in the summer lower stratosphere: Modeled and measured [ClONO2]/[HCl] during POLARIS, Geophys. Res. Lett., 106, 1713-1732.
Fahey, D.W., et al. (2000), Ozone destruction and production rates between spring and autumn in the Arctic stratosphere, Geophys. Res. Lett., 27:, 2605-2608.
Thornton, ., et al. (2000), Atmospheric NO2: In Situ Laser-Induced Fluorescence Detection at Parts per Trillion Mixing Ratios, Anal. Chem., 72, 528-539, doi:10.1021/ac9908905.
Drdla, K., et al. (1999), Microphysics and chemistry of sulfate aerosols at warm stratospheric temperatures, J. Geophys. Res., 104, 26737-26751.
Gao, R., et al. (1999), A comparison of observations and model simulations of NOx/NOy in the lower stratosphere, Geophys. Res. Lett., 26, 1153-1156.
Jaeglé, L., et al. (1997), Evolution and stoichiometry of heterogeneous processing in the Antarctic stratosphere, J. Geophys. Res., 102.D11, 13235-13253.
Keim, E.R., et al. (1996), Observations of large reductions in the NO/NOy ratio near the mid-latitude tropopause and the role of heterogeneous chemistry, Geophys. Res. Lett., 23, 3223-3226.
Salawitch, R.J., et al. (1994), The Diurnal Variation of Hydrogen, Nitrogen, and Chlorine Radicals: Implications for the Heterogeneous Production of HNO2, Geophys. Res. Lett., 21, 2551-2554.
Salawitch, R.J., et al. (1994), The Distribution of Hydrogen, Nitrogen, and Chlorine Radicals in the Lower Stratosphere: Implications for Changes in O3 Due to Emission of NOy from Supersonic Aircraft, Geophys. Res. Lett., 21, 2547-2550.
Stimpfle, R.M., et al. (1994), The Response of ClO Radical Concentrations to Variations in NO2 Radical Concentrations in the Lower Stratosphere, Geophys. Res. Lett., 21, 2543-2546.
Wennberg, P.O., et al. (1994), Aircraft-borne, Laser-Induced Fluorescence Instrument for the in situ detection of hydroxyl and hydroperoxyl radicals, Review of Scientific Instruments, 65, 1858-1876.
Wennberg, P., et al. (1994), Removal of Stratospheric O3 by Radicals: In Situ Measurements of OH, HO2, NO, NO2, ClO, and BrO, Science, 266, 398-404.

Note: Only publications that have been uploaded to the ESD Publications database are listed here.

Ronald C. Cohen

National Aeronautics and Space Administration

National Aeronautics and
Space Administration