Atmospheric Chemistry and Climate




Morita, H., S. Yang, N. Unger, P.L. Kinney, Global health impacts of future aviation emissions under alternative control scenarios, Environ. Sci. Technol., 48, 14659–14667, doi:10.1021/es5055379, 2014.

Unger, N., On the role of plant volatiles in anthropogenic global climate change, Geophys. Res. Lett., 41, doi:10.1002/2014GL061616, 2014.

Unger, N., Human land-use-driven reduction of forest volatiles cools global climate, Nature Climate Change, doi:10.1038/nclimate2347, 2014.   
Yue, X. and N. Unger, Ozone vegetation damage effects on gross primary productivity in the United States, Atmos. Chem. Phys., 14, 9137-9153, doi:10.5194/acp-14-9137-2014, 2014.
Miller, R., and 42 others including N. Unger, CMIP5 historical simulations (1850-2012) with GISS ModelE2, J. Adv. Model. Earth Syst., 6, 441-477, doi:10.1002/2013MS000266, 2014.
Schmidt, G.A., and 44 others including N. Unger, Configuration and assessment of the GISS ModelE2 contributions to the CMIP5 archive, J. Adv. Model. Earth Syst., 6, 141-184, doi:10.1002/2013MS000265, 2014.

Unger, N., and X. Yue, Strong chemistry-climate feedbacks in the Pliocene, Geophys. Res. Lett., 41, doi:10.1002/2013GL058773, 2014.


Unger, N., Isoprene emission variability through the 20th centuryJ. Geophys. Res., 118, 13,606–13,613, doi:10.1002/2013JD020978, 2013.

Olsen, S.C., G.P. Brasseur, D.J. Wuebbles, S. Barrett, H. Dang, S.D. Eastham, M.Z. Jacobson, A. Khodayari, H. Selkirk, A. Sokolov, and N. Unger, Comparison of model estimates of the effects of aviation emissions on atmospheric ozone and methane, Geophys. Res. Lett., 40, 6004–6009, doi: 10.1002/2013GL057660, 2013.

Unger, N., Harper, K., Zheng, Y., Kiang, N. Y., Aleinov, I., Arneth, A., Schurgers, G., Amelynck, C., Goldstein, A., Guenther, A., Heinesch, B., Hewitt, C. N., Karl, T., Laffineur, Q., Langford, B., A. McKinney, K., Misztal, P., Potosnak, M., Rinne, J., Pressley, S., Schoon, N., and Serça, D, Photosynthesis-dependent isoprene emission from leaf to planet in a global carbon-chemistry-climate model, Atmos. Chem. Phys., 13, 10243-10269, doi:10.5194/acp-13-10243-2013, 2013.

Unger, N. Y. Zhao, and H. Dang, Mid-21st century chemical forcing of climate by the civil aviation sector, Geophys. Res. Lett., 40, doi: 10.1002/grl.50161, 2013.


Fiore, A., V. Naik, D.V. Spracklen, A. Steiner, N. Unger, M. Prather, D. Bergmann, P. J. Cameron-Smith, I. Cionni, W. J. Collins, S. Dalsøren, V. Eyring, G. A. Folberth, P. Ginoux, L.W. Horowitz, B. Josse, J. F. Lamarque, I. A. MacKenzie , T. Nagashima, F.M. O'Connor, M. Righi, S. Rumbold, D.T. Shindell, R.B. Skeie, K. Sudo, S. Szopa, T. Takemura, and G. Zeng, Global air quality and climate, Chem. Soc. Rev., doi: 10.1039/C2CS35095E, 2012.
Unger, N., Global climate forcing by criteria air pollutants, Annu. Rev. Environ. Resour., 37, doi: 10.1146/annurev-environ-082310-100824, 2012.
Unger, N., and J.L. Pan, New Directions: Enduring ozone, Atmos. Environ., 55, 456-458, 2012.


Unger, N., Global climate impact of civil aviation for standard and desulfurized jet fuel, Geophys. Res. Lett., 38, L20803, doi:10.1029/2011GL049289, 2011.

Unger publications 2010-2000

Unger, N., Short-lived non-CO2 pollutants and climate policy: fair trade?, Environ. Sci. Technol., 44, 5332–5333, doi:10.1021/es1012214, 2010.
Unger, N., T.C. Bond, J.S. Wang, D.M. Koch, S.E. Menon, D.T. Shindell, and S.E. Bauer, Attribution of climate forcing to economic sectors, Proc. Natl. Acad. Sci., 107, 3382-3387, doi:10.1073/pnas.0906548107, 2010.
Arneth, A., N. Unger, M. Kulmala, and M.O. Andreae, Clean the air, heat the planet?, Science, 326, 672-673, doi:10.1126/science.1181568, 2009.
Shindell, D.T., G. Faluvegi, D.M. Koch, G.A. Schmidt, N. Unger, and S.E. Bauer, Improved attribution of climate forcing to emissions, Science, 326, 716-718, doi:10.1126/science.1174760, 2009.
Unger, N., S. Menon, D.M. Koch, and D.T. Shindell, Impacts of aerosol-cloud interactions on past and future changes in tropospheric composition, Atmos. Chem. Phys., 9, 4155-4129, 2009.
Unger, N., D.T. Shindell, and J.S. Wang, Climate forcing by the on-road transportation and power generation sectors, Atmos. Environ., 43, 3077-3085, doi:10.1016/j.atmosenv.2009.03.021, 2009.
Menon, S., N. Unger, D. Koch, J. Francis, T. Garrett, I. Sednev, D. Shindell, and D. Streets, Aerosol climate effects and air quality impacts from 1980 to 2030, Environ. Res. Lett., 3, 024004, doi:10.1088/1748-9326/3/2/024004, 2008.
Shindell, D., J.-F. Lamarque, N. Unger, D. Koch, G. Faluvegi, S. Bauer, and H. Teich, Climate forcing and air quality change due to regional emissions reductions by economic sector, Atmos. Chem. Phys., 8, 7101-7113, doi:10.5194/acp-8-7101-2008, 2008.
Unger, N., D.T. Shindell, D.M. Koch, and D.G. Streets, Air pollution radiative forcing from specific emissions sectors at 2030, J. Geophys. Res., 113, D02306, doi:10.1029/2007JD008683, 2008.
Bauer, S.E., D. Koch, N. Unger, S.M. Metzger, D.T. Shindell, and D.G. Streets, Nitrate aerosols today and in 2030: Importance relative to other aerosol species and tropospheric ozone, Atmos. Chem. Phys., 7, 5043-5059, 2007.
Hansen, J., and 46 others, including N. Unger, Dangerous human-made interference with climate: A GISS modelE study, Atmos. Chem. Phys., 7, 2287-2312, doi:10.5194/acp-7-2287-2007, 2007.
Hansen, J., and 46 others, including N. Unger, Climate simulations for 1880-2003 with GISS modelE, Clim. Dynam., 29, 661-696, doi:10.1007/s00382-007-0255-8, 2007.

Koch, D., T.C. Bond, D. Streets, and N. Unger, Linking future aerosol radiative forcing to shifts in source activities, Geophys. Res. Lett., 34, L05821, doi:10.1029/2006GL028360, 2007.
Koch, D., T.C. Bond, D. Streets, N. Unger, and G. van der Werf, Global impacts of aerosols from particular source regions and sectors, J. Geophys. Res., 112, D02205, doi:10.1029/2005JD007024, 2007.
Shindell, D.T., G. Faluvegi, S.E. Bauer, D. Koch, N. Unger, S. Menon, R.L. Miller, G.A. Schmidt, G.A., and D.G. Streets, Climate response to projected changes in short-lived species under the A1B scenario from 2000-2050 in the GISS climate model, J. Geophys. Res., 112, D20103, doi:10.1029/2007JD008753, 2007.
Unger, N., D.T. Shindell, D.M. Koch, and D.G. Streets, Cross influences of ozone and sulfate precursor emissions changes on air quality and climate, Proc. Natl. Acad. Sci., 103, 4377-4380, doi:10.1073/pnas.0508769103, 2006.
Unger, N., D.T. Shindell, D.M. Koch, M. Amann, J. Cofala, and D.G. Streets, Influences of man-made emissions and climate changes on tropospheric ozone, methane and sulfate at 2030 from a broad range of possible futures, J. Geophys. Res., 111, D12313, doi:10.1029/2005JD006518, 2006.
Shindell, D.T., and 42 others, including N. Unger, Multi-model simulations of carbon monoxide: Comparison with observations and projected near-future changes, J. Geophys. Res., 111, D19306, doi:10.1029/2006JD007100, 2006.
Shindell, D.T., G. Faluvegi, N. Unger, E. Aguilar, G.A. Schmidt, D.M. Koch, S.E. Bauer, and R.L. Miller, Simulations of preindustrial, present-day, and 2100 conditions in the NASA GISS composition and climate model G-PUCCINI, Atmos. Chem. Phys., 6, 4427-4459, doi:10.5194/acp-6-4427-2006, 2006.
Dentener, F., and 36 others, including N. Bell, Nitrogen and sulfur deposition on regional and global scales: A multimodel evaluation, Global Biogeochem. Cycles, 20, GB4003, doi:10.1029/2005GB002672, 2006.
Dentener, F., and 41 others, including N. Bell, The global atmospheric environment for the next generation, Environ. Sci. Technol., 40, 3586-3594, doi:10.1021/es0523845, 2006.
Schmidt, G.A., and 35 others, including N. Bell, Present day atmospheric simulations using GISS ModelE: Comparison to in-situ, satellite and reanalysis data, J. Climate, 19, 153-192, doi:10.1175/JCLI3612.1, 2006.
Stevenson, D.S., and 40 others, including N. Bell, Multimodel ensemble simulations of present-day and near-future tropospheric ozone, J. Geophys. Res., 111, D08301, doi:10.1029/2005JD006338, 2006.
Bell, N., D. Koch, and D. Shindell, Impacts of chemistry-aerosol coupling on tropospheric ozone and sulfate simulations in a general circulation model, J. Geophys. Res., 110, D14305, doi:10.1029/2004JD005538, 2005.

Hansen, J., and 44 others, including N. Bell, Efficacy of climate forcings, J. Geophys. Res., 110, D18104, doi:10.1029/2005JD005776, 2005.
Shindell, D.T., G. Faluvegi, N. Bell, and G.A. Schmidt, An emissions-based view of climate forcing by methane and tropospheric ozone, Geophys. Res. Lett., 32, L04803, doi:10.1029/2004GL021900, 2005.
Bell, N., D.E. Heard, M.J. Pilling, and A.S. Tomlin, Atmospheric lifetime as a probe of radical chemistry in the boundary layer, Atmos. Environ., 37, 2193-2205, doi:10.1016/S1352-2310(03)00157-2, 2003.
Shindell, D.T., G. Faluvegi, and N. Bell, Preindustrial-to-present-day radiative forcing by tropospheric ozone from improved simulations with the GISS chemistry-climate GCM, Atmos. Chem. Phys., 3, 1675-1702, 2003.
Bell, N., L. Hsu, D.J. Jacob, M.G. Schultz, D.R. Blake, J.H. Butler, D.B. King, J.M. Lobert, and E. Maier-Reimer, Methyl iodide: Atmospheric budget and use as a tracer of marine convection in global models, J. Geophys. Res., 107(D17), 4340, doi:10.1029/2001JD001151, 2002.
Rae, J.G.L., N. Bell, T.W. Hartquist, M.J. Pilling, and D.P. Ruffle, Reduced networks governing the fractional ionisation in interstellar molecular clouds, Astron. Astrophys., 383, 738-746, doi:10.1051/0004-6361:20011748, 2002.
Green, N.J.B., T. Toniazzo, M.J. Pilling, D.P. Ruffle, N. Bell, and T.W. Hartquist, A stochastic approach to grain surface chemical kinetics, Astron. Astrophys., 375, 1111-1119, doi:10.1051/0004-6361:20010961, 2001.
Carslaw, N., N. Bell, A.C. Lewis, J.B. McQuaid, and M.J. Pilling, A detailed case study of isoprene chemistry during the EASE96 Mace Head campaign, Atmos. Environ., 34, 2827-2836, doi:10.1016/S1352-2310(00)00088-1, 2000.
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