Selected publications and recent presentations
Last updated: 4/26/2020
Submitted, accepted, and in press: (Underscored names are KAB's current or former group members)
L. Garofalo, T. Guilderson, E.A. Atlas, D.R. Blake, L. Pfister, and K.A. Boering, "Measurements of 14CO2 in the stratosphere and free troposphere: Vertical profiles and empirical radiocarbon production rates," submitted to J. Geophys. Res. Atmospheres.
J. Randazzo, A. Golan, L. Garofalo, M. Ahmed, and K.A. Boering, "Measurements of isotope effects in the non-dissociative photoionization of CO2 and applications to spectroscopy and planetary atmospheres," submitted to J. Quantitative Spectroscopy and Radiative Transfer.
J. Randazzo, A. Golan, L. Garofalo, M. Ahmed, and K.A. Boering, "Measurements of isotope effects in the non-dissociative photoionization of CO2 and applications to spectroscopy and planetary atmospheres," submitted to J. Quantitative Spectroscopy and Radiative Transfer.
Published:
L.Y. Yeung, L.T. Murray, A. Banerjee, Xin Tie, Y. Yan, E.L. Atlas, S.M. Schauffler, and K.A. Boering, “Online calculation of O2 clumped-isotope variations in an atmospheric chemistry model reveals an important contribution from ozone isotopologue chemistry,” J. Geophys. Res. (Atmospheres), 126, 2021. doi:10.1029/2021JD034770
M. Smith, J. M. Carlstad, P. Hunter, J. Randazzo, and K.A. Boering, "Nitrous oxide formation by corona discharge: Isotopic composition measurements and atmospheric applications" J. Geophys. Res. Atmospheres, 126, 2021. doi: 10.1029/2020JD033927
L. Garofalo, A. Kanu, K. Hoag, and K.A. Boering, "The Effects of Stratospheric Chemistry and Transport on the Isotopic Compositions of Long-lived Gases Measured at Earth's Surface," Invited peer-reviewed book chapter for Volume 2, Advances in Atmospheric Chemistry, 529-587 (2019). doi: 10.1142/9789813271838_0007
J. Gil, T. Pérez, K. Boering, P. J. Martikainen, and C. Biasi, Mechanisms responsible for high N2O emissions from subarctic permafrost peatlands studied via stable isotope techniques, Global Biogeochem. Cycles, 31, 172–189, 2017. doi:10.1002/2015GB005370.
L. Y. Yeung, L. T. Murray, J. L. Ash, E. D. Young, K. A. Boering, E. L. Atlas, S. M. Schauffler, R. A. Lueb, R. L. Langenfelds, P. B. Krummel, L. P. Steele, S. D. Eastham, "Isotopic ordering in molecular oxygen as a tracer of atmospheric ozone photochemistry and tropical circulation," J. Geophys. Res. Atmos., 121, 12,541–12,559, 2016, doi:10.1002/2016JD025455.
M. C. Smith, W. Chao, K. Takahashi, K. A. Boering, J.-J. Lin, "Unimolecular Decomposition Rate of the Criegee Intermediate (CH3)2COO Measured Directly with UV Absorption Spectroscopy," J. Phys. Chem. A. 120 (27), 4789–4798, doi: 10.1021/acs.jpca.5b12124, 2016. (View online: http://dx.doi.org/10.1021/acs.jpca.5b12124.)
A.M. Kanu, A. M., L. L. Comfort, T. P. Guilderson, P. J. Cameron-Smith,D. J. Bergmann, E. L. Atlas, S. Schauffler, K. A. Boering, “Measurements and modeling of contemporary radiocarbon in the stratosphere,” Geophys. Res. Lett. 43, 1399–1406, doi:10.1002/2015GL066921, 2016. (View online: http://onlinelibrary.wiley.com/doi/10.1002/2015GL066921/abstract)
L. A. Garofalo, M. C. Smith, P. Dagdigian, J. Kłos, M. Alexander, K. A. Boering, J.-J. Lin, "Electronic quenching of O(1D) by Xe: Oscillations in the product angular distribution and their dependence on collision energy," J. Chem. Phys. 143, 054307, doi: 10.1063/1.4927705, 2015. (View online: http://dx.doi.org/10.1063/1.4927705.)
M. C. Smith, C.-H. Chang, W. Chao, L.-C. Lin, K. Takahashi, K. A. Boering, J.-J. Lin, "Strong negative temperature dependence of the simplest Criegee intermediate CH2OO reaction with water dimer," J. Phys. Chem. Lett. 6, 2708-2713, doi: 10.1021/acs.jpclett.5b01109, 2015. (View online: http://dx.doi.org/10.1021/acs.jpclett.5b01109.)
M.C. Smith, W.-L. Ting, C.-H. Chang, K. Takahashi, K. A. Boering, J.-J. Lin, "UV Absorption Spectrum of the C2 Criegee Intermediate CH3CHOO," J. Chem. Phys. 141, 074302, 2014. (View online: http://dx.doi.org/10.1063/1.4892582.)
A. Van Wyngarden, K. Mar, J. Quach, A. Nguyen, A.A. Wiegel, S-Y. Lin, G. Lendvay, H. Guo, J.-J. Lin, Y.T. Lee, K.A. Boering, "The non-statistical dynamics of the 18O + 32O2 isotope exchange reaction at two energies," J. Chem. Phys., 141, 064311, 2014. (View online: http://dx.doi.org/10.1063/1.4892346.)
J.B. Randazzo, P. Croteau, O. Kostko, M. Ahmed, K.A. Boering, "Isotope effects and spectroscopic assignments in the non-dissociative photoionization spectrum of N2," J. Chem. Phys. 140, 194303, doi: 10.1063/1.4873717, 2014. (View online: http://dx.doi.org/10.1063/1.4873717.)
K.A. Boering (Contributing author to), "Drawing down N2O to protect climate and the ozone layer: A UNEP synthesis report," United Nations Environment Programme, Nairobi, Kenya, November 2013, ISBN: 978-92-807-3358-7 (available at http://www.unep.org/pdf/UNEPN2Oreport.pdf).
A.A. Wiegel, A.S. Cole, K.J. Hoag, E.L. Atlas, S.M. Schauffler, K.A. Boering, "Unexpected variations in the triple oxygen isotope composition of stratospheric carbon dioxide," Proc. Nat. Acad. Sci. 110 (44), 17680-17685, doi: 10.1073/pnas.1213082110, 2013. (View online: http://dx.doi.org/10.1073/pnas.1213082110.)
K.L. Feilberg, A.A. Wiegel, K.A. Boering, "Probing the unusual isotope effects in ozone formation: Pressure and bath gas dependence of the non-mass-dependent isotopic enrichments in ozone," Chem. Phys. Lett. 556, 1-8, doi:10.1016/j.cplett.2012.10.038, 2012. [Link to pdf file] [Link to CPL issue online]
K.A. Mar, A.L. Van Wyngarden, C.-W. Liang, Y.T. Lee, J.J. Lin, K.A. Boering, "A crossed beam study of 18O(3P)+NO2 and 18O(1D)+NO2: Isotope exchange and O2+NO formation channels," J. Chem. Phys. 137, 044302, doi:10.1063/1.4736567, 2012. [Link to abstract] [Link to pdf file] (Copyright 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.)
S. Park, P. Croteau, K. A. Boering, D.M. Etheridge, D. Ferretti, P. J. Fraser, K.-R. Kim, P.B. Krummel, R.L. Langenfelds, T.D. van Ommen, L.P. Steele, and C.M. Trudinger, "Trends and seasonal cycles in the isotopic composition of nitrous oxide since 1940", Nature Geoscience 5, 261-265, doi:10.1038/NGEO1421, 2012. [Link to abstract]
P. Croteau, J.B. Randazzo, O. Kostko, M. Ahmed, M.-C. Liang, Y.L. Yung, and K.A. Boering, "Measurements of isotope effects in the photionization of N2 and implications for Titan's atmosphere," Astrophys. J. Lett. 728, L32, doi:10.1088/2041-8205/728/2/L32, 2011. [Link to abstract]
S. Park, T. Pérez, K. A. Boering, S.E. Trumbore, J. Gil, S. Marquina and S. C. Tyler, "Can N2O stable isotopes and isotopomers be useful tools to characterize sources and microbial pathways of N2O production and consumption in tropical soils?" Glob. Biogeochem. Cycles 25, GB1001, doi:10.1029/2009GB003615, 2011. [Link to abstract]
P. Croteau, E. L. Atlas, S. M. Schauffler, D. R. Blake, G. S. Diskin, and K. A. Boering, "The effect of local and regional sources on the isotopic composition of nitrous oxide in the tropical free troposphere and tropopause layer,"Journal of Geophysical Research (Atmospheres) 115, D00J11, doi:10.1029/2009JD013117, 2010. [Link to abstract]
L. Y. Yeung, H. P. Affek, K. J. Hoag, W. Guo, A. A. Wiegel, E. L. Atlas, S. M. Schauffler, M. Okumura, K. A. Boering, and J. M. Eiler, "Large and unexpected enrichment in stratospheric 16O13C18O and its meridional variation," Proc. Nat. Acad. Sci. 106 (28), 11496-11501, doi: 10.1073/pnas.0902930106, 2009. [Link to abstract]
A. Engel, T. Moebius, H. Boenisch, U. Schmidt, R. Heinz, I. Levin, E. Atlas, S. Aoki, T. Nakazawa, S. Sugawara, F. Moore, D. Hurst, J. Elkins, S. Schauffler, A. Andrews, and K. Boering, "No observable change in the stratospheric circulation from mean age of air measurements," Nature Geoscience 2, 28-31, DOI: 10.1038/NGEO388, 2009. [Link to abstract]
J. C. Wilson, S.-H. Lee, J. M. Reeves, C. A. Brock, H. H. Jonsson, B. G. Lafleur, M. Loewenstein, J. Podolske, E. Atlas, K. Boering, G. Toon, D. Fahey, T. P. Bui, G. Diskin, and F. Moore, "Steady-state aerosol distributions in the extra-tropical, lower stratosphere and the processes that maintain them," Atmos. Chem. Phys. 8, 6617-6626, 2008. [Link to journal article]
K.A. Mar, M.C. McCarthy, P. Connell, and K.A. Boering, "Modeling the photochemical origins of the extreme deuterium enrichment in stratospheric H2," J. Geophys. Res. (Atmospheres) 121, D19302, doi:10.1029/2006JD007403, 2007. [Link to pdf file] (Copyright, American Geophysical Union)
A.L. Van Wyngarden, K.A. Mar, K.A. Boering, J.J. Lin, Y.T. Lee, S.-Y. Lin, H. Guo, and G. Lendvay, "Non-statistical behavior of reactive scattering in the 18O + 32O2 isotope exchange reaction," J. Am. Chem. Soc. 129 (10), 2866-2870, doi: 10.1021/ja0668163, 2007. [Link to journal article]
A.S. Cole and K.A. Boering, "Mass-dependent and non-mass-dependent isotope effects in ozone photolysis: Resolving theory and experiments," J. Chem. Phys. 125 (18), doi: 10.1063/1.2363984, 2006. [Link to journal article]
K.J. Hoag, C.J. Still, I.Y. Fung, and K.A. Boering, "Triple oxygen isotope composition of tropospheric carbon dioxide as a tracer of terrestrial gross carbon fluxes," Geophys. Res. Lett. 32, L02802, doi:10.1029/2004GL021011, 2005. [Link to pdf file] (Copyright, American Geophysical Union)
M.J. Perri, A.L. Van Wyngarden, J.J. Lin, Y.T. Lee, and K.A. Boering, "Energy dependence of oxygen isotope exchange and quenching in the O(1D) + CO2 reaction: A crossed molecular beam study," J. Phys. Chem. A 108(39), 7995-8001, doi:10.1021/jp0485845, 2004. [Link to journal article]
M.C. McCarthy, K.A. Boering, T. Rahn, J.M. Eiler, A. L. Rice, S. C. Tyler, S. Schauffler, E. Atlas, and D.G. Johnson, "The hydrogen isotopic composition of water vapor entering the stratosphere inferred from high precision measurements of δD-CH4 and δD-H2," J. Geophys. Res. (Atmospheres) 109(D7), D07403, doi: 10.1029/2003JD004003, 2004. [Link to pdf file] (Copyright, American Geophysical Union)
K.A. Boering, T. Jackson, K. Hoag, A.S. Cole, M. Perri, M. Thiemens, and E. Atlas, "Observations of the anomalous oxygen isotopic composition of carbon dioxide in the lower stratosphere and the flux of the anomaly to the troposphere," Geophys. Res. Lett. 31, L03109, doi:10.1029/2003GL018451, 2004. [Link to pdf file] or [Download Table 1 in Microsoft Word .doc format] or [Download Table 1 in .html format] (Copyright, American Geophysical Union)
S. Park, E. Atlas, and K.A. Boering, "Measurements of nitrous oxide isotopologues in the stratosphere: The influence of transport on the apparent enrichment factors and implications for the global N2O isotope budget," J. Geophys. Res. (Atmospheres) 109, D01305, doi:10.1029/2003JD003731, 2004. [Link to pdf file] (Copyright, American Geophysical Union)
J. Kaiser, S. Park, K.A. Boering, C.A.M. Brenninkmeijer, A. Hilkert, T. Röckmann, "Mass-spectrometric method for the absolute calibration of the intramolecular nitrogen isotope distribution in nitrous oxide," Anal. Bioanal. Chem. 378, 256-269, doi:10.1007/s00216-003-2233-2, 2004. [Link to pdf file]
M.J. Perri, A.L. Van Wyngarden, K.A. Boering, J.J. Lin, and Y.T. Lee, "Dynamics of the O(1D) + CO2 oxygen isotope exchange reaction," J. Chem. Phys. 119(16), 8213-8216, 2003. [Link to pdf file] (Copyright, American Insitute of Physics)
T. Rahn, J.M. Eiler, K.A. Boering, P.O. Wennberg, M.C. McCarthy, S. Tyler, S. Schauffler, S. Donnelly, and E. Atlas, "Extreme deuterium enrichment in stratospheric hydrogen and the global atmospheric budget of H2," Nature 424, 918-921, 2003. [Link to abstract]
M. Adamkovics and K.A. Boering, "Photochemical formation rates of organic aerosols through time-resolved in situ laboratory measurements," J. Geophys. Res. (Planets) 108(E8), 5092, doi:10.1029/2002JE002028, 2003. [Link to pdf file] (Copyright, American Geophysical Union)
M.C. McCarthy, K.A. Boering, A.L. Rice, S.C. Tyler, P. Connell, and E. Atlas, "The carbon and hydrogen isotopic compositions of stratospheric methane, Part 2: 2-D model results and implications for kinetic isotope effects," J. Geophys. Res. (Atmospheres) 108(D15), 4461, doi: 10.1029/2002JD003183, 2003. [Link to pdf file] (Copyright, American Geophysical Union)
A.L. Rice, S.C. Tyler, M.C.McCarthy, K.A. Boering, and E. Atlas, "The carbon and hydrogen isotopic compositions of stratospheric methane, Part 1: High-precision observations from the NASA ER-2 aircraft," J. Geophys. Res. (Atmospheres) 108(D15), 4460, doi:10.1029/2002JD003042, 2003. [Link to pdf file] (Copyright, American Geophysical Union)
B.C. Daube Jr., K.A. Boering, A.E. Andrews, and S.C. Wofsy, "A high-precision fast-response airborne CO2 analyzer for in situ sampling from the surface to the middle stratosphere," J. Atmos. Ocean Technol. 19, 1532-1543, 2002.
M.C. McCarthy, P. Connell, and K.A. Boering, "Isotopic fractionation of methane in the stratosphere and its effect on free tropospheric isotopic compositions," Geophys. Res. Lett. 28, 3657-3660, 2001. [Link to pdf file] (Copyright, American Geophysical Union)
A.E. Andrews, K.A. Boering, B.C. Daube, S.C. Wofsy, M. Loewenstein, H. Jost, J.R. Podolske, C.R. Webster, R.L. Herman, D.C. Scott, G.J. Flesch, E.J. Moyer, J.W. Elkins, G.S. Dutton, D. Hurst, F.L. Moore, E.A. Ray, P.A. Romashkin, S.E. Strahan, "Mean ages of stratospheric air derived from in situ observations of CO2, CH4, and N2O," J. Geophys. Res. 106, 32295-32314, 2001.
A.E. Andrews, K. A. Boering, S.C. Wofsy, B.C. Daube, D.B. Jones, S. Alex, M. Loewenstein, J.R. Podolske, and S.E. Strahan, "Empirical age spectra for the midlatitude lower stratosphere from in situ observations of stratospheric CO2: Quantitative evidence for a subtropical "barrier" to horizontal transport," J. Geophys. Res. 106, 10257-10274, 2001.
B. Luz, E. Barkan, M.L. Bender, M.H. Thiemens, K. A. Boering, "Triple-isotope composition of atmospheric oxygen as a tracer of biosphere productivity," Nature 400, 547-550, 1999. [Link to abstract]
T.M. Hall, D.W. Waugh, K.A. Boering, R.A. Plumb, "Evaluation of transport in stratospheric models," J. Geophys. Res. 104, 18815-18839, 1999.
A.E. Andrews, K. A. Boering, B.C. Daube, S.C. Wofsy, E.J. Hintsa, E.M Weinstock, T.P. Bui, "Empirical age spectra for the lower tropical stratosphere from in situ observations of stratospheric CO2: Implications for stratospheric transport," J. Geophys. Res. 104, 26581-26595, 1999.
E.J. Hintsa, K.A. Boering, E.M Weinstock, J.G. Anderson, B.L. Gary, L. Pfister, B.C. Daube, S.C. Wofsy, M. Loewenstein, J.R. Podolske, J.J. Margitan, T.P. Bui, "Troposphere-to-stratosphere transport in the lowermost stratosphere from measurements of H2O, CO2, N2O, and O3," Geophys. Res. Lett. 25, 2655-2658, 1998.
S.E. Strahan, A.R. Douglass, J.E. Nielsen, K.A. Boering, "The CO2 seasonal cycle as a tracer of transport," J. Geophys. Res. 103, 13729-13741, 1998.
K.A. Boering, S.C. Wofsy, B.C. Daube, H.R. Schneider, M. Loewenstein, J.R. Podolske, T.J. Conway, "Stratospheric mean ages and transport rates from observations of carbon dioxide and nitrous oxide," Science 274, 1340-1343, 1996.
D.W. Fahey, E.R. Keim, K.A. Boering, C.A. Brock, J.C. Wilson, H.H. Jonsson, S. Anthony, T.F. Hanisco, P.O. Wennberg, R.C. Miake-Lye, R.J. Salawitch, N. Louisnard, E.L Woodbridge, R.S. Gao, S.G. Donnelly, R.C. Wamsley, L.A. Del Negro, S. Solomon, B.C. Daube, S.C. Wofsy, C.R. Webster, R.D. May, K.K. Kelly, M Loewenstein, J.R. Podolske, and K.R. Chan., "Emission measurements of the Concorde supersonic aircraft in the lower stratosphere," Science 270, 70-74, 1995.
M. Smith, J. M. Carlstad, P. Hunter, J. Randazzo, and K.A. Boering, "Nitrous oxide formation by corona discharge: Isotopic composition measurements and atmospheric applications" J. Geophys. Res. Atmospheres, 126, 2021. doi: 10.1029/2020JD033927
L. Garofalo, A. Kanu, K. Hoag, and K.A. Boering, "The Effects of Stratospheric Chemistry and Transport on the Isotopic Compositions of Long-lived Gases Measured at Earth's Surface," Invited peer-reviewed book chapter for Volume 2, Advances in Atmospheric Chemistry, 529-587 (2019). doi: 10.1142/9789813271838_0007
J. Gil, T. Pérez, K. Boering, P. J. Martikainen, and C. Biasi, Mechanisms responsible for high N2O emissions from subarctic permafrost peatlands studied via stable isotope techniques, Global Biogeochem. Cycles, 31, 172–189, 2017. doi:10.1002/2015GB005370.
L. Y. Yeung, L. T. Murray, J. L. Ash, E. D. Young, K. A. Boering, E. L. Atlas, S. M. Schauffler, R. A. Lueb, R. L. Langenfelds, P. B. Krummel, L. P. Steele, S. D. Eastham, "Isotopic ordering in molecular oxygen as a tracer of atmospheric ozone photochemistry and tropical circulation," J. Geophys. Res. Atmos., 121, 12,541–12,559, 2016, doi:10.1002/2016JD025455.
M. C. Smith, W. Chao, K. Takahashi, K. A. Boering, J.-J. Lin, "Unimolecular Decomposition Rate of the Criegee Intermediate (CH3)2COO Measured Directly with UV Absorption Spectroscopy," J. Phys. Chem. A. 120 (27), 4789–4798, doi: 10.1021/acs.jpca.5b12124, 2016. (View online: http://dx.doi.org/10.1021/acs.jpca.5b12124.)
A.M. Kanu, A. M., L. L. Comfort, T. P. Guilderson, P. J. Cameron-Smith,D. J. Bergmann, E. L. Atlas, S. Schauffler, K. A. Boering, “Measurements and modeling of contemporary radiocarbon in the stratosphere,” Geophys. Res. Lett. 43, 1399–1406, doi:10.1002/2015GL066921, 2016. (View online: http://onlinelibrary.wiley.com/doi/10.1002/2015GL066921/abstract)
L. A. Garofalo, M. C. Smith, P. Dagdigian, J. Kłos, M. Alexander, K. A. Boering, J.-J. Lin, "Electronic quenching of O(1D) by Xe: Oscillations in the product angular distribution and their dependence on collision energy," J. Chem. Phys. 143, 054307, doi: 10.1063/1.4927705, 2015. (View online: http://dx.doi.org/10.1063/1.4927705.)
M. C. Smith, C.-H. Chang, W. Chao, L.-C. Lin, K. Takahashi, K. A. Boering, J.-J. Lin, "Strong negative temperature dependence of the simplest Criegee intermediate CH2OO reaction with water dimer," J. Phys. Chem. Lett. 6, 2708-2713, doi: 10.1021/acs.jpclett.5b01109, 2015. (View online: http://dx.doi.org/10.1021/acs.jpclett.5b01109.)
M.C. Smith, W.-L. Ting, C.-H. Chang, K. Takahashi, K. A. Boering, J.-J. Lin, "UV Absorption Spectrum of the C2 Criegee Intermediate CH3CHOO," J. Chem. Phys. 141, 074302, 2014. (View online: http://dx.doi.org/10.1063/1.4892582.)
A. Van Wyngarden, K. Mar, J. Quach, A. Nguyen, A.A. Wiegel, S-Y. Lin, G. Lendvay, H. Guo, J.-J. Lin, Y.T. Lee, K.A. Boering, "The non-statistical dynamics of the 18O + 32O2 isotope exchange reaction at two energies," J. Chem. Phys., 141, 064311, 2014. (View online: http://dx.doi.org/10.1063/1.4892346.)
J.B. Randazzo, P. Croteau, O. Kostko, M. Ahmed, K.A. Boering, "Isotope effects and spectroscopic assignments in the non-dissociative photoionization spectrum of N2," J. Chem. Phys. 140, 194303, doi: 10.1063/1.4873717, 2014. (View online: http://dx.doi.org/10.1063/1.4873717.)
K.A. Boering (Contributing author to), "Drawing down N2O to protect climate and the ozone layer: A UNEP synthesis report," United Nations Environment Programme, Nairobi, Kenya, November 2013, ISBN: 978-92-807-3358-7 (available at http://www.unep.org/pdf/UNEPN2Oreport.pdf).
A.A. Wiegel, A.S. Cole, K.J. Hoag, E.L. Atlas, S.M. Schauffler, K.A. Boering, "Unexpected variations in the triple oxygen isotope composition of stratospheric carbon dioxide," Proc. Nat. Acad. Sci. 110 (44), 17680-17685, doi: 10.1073/pnas.1213082110, 2013. (View online: http://dx.doi.org/10.1073/pnas.1213082110.)
K.L. Feilberg, A.A. Wiegel, K.A. Boering, "Probing the unusual isotope effects in ozone formation: Pressure and bath gas dependence of the non-mass-dependent isotopic enrichments in ozone," Chem. Phys. Lett. 556, 1-8, doi:10.1016/j.cplett.2012.10.038, 2012. [Link to pdf file] [Link to CPL issue online]
K.A. Mar, A.L. Van Wyngarden, C.-W. Liang, Y.T. Lee, J.J. Lin, K.A. Boering, "A crossed beam study of 18O(3P)+NO2 and 18O(1D)+NO2: Isotope exchange and O2+NO formation channels," J. Chem. Phys. 137, 044302, doi:10.1063/1.4736567, 2012. [Link to abstract] [Link to pdf file] (Copyright 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.)
S. Park, P. Croteau, K. A. Boering, D.M. Etheridge, D. Ferretti, P. J. Fraser, K.-R. Kim, P.B. Krummel, R.L. Langenfelds, T.D. van Ommen, L.P. Steele, and C.M. Trudinger, "Trends and seasonal cycles in the isotopic composition of nitrous oxide since 1940", Nature Geoscience 5, 261-265, doi:10.1038/NGEO1421, 2012. [Link to abstract]
P. Croteau, J.B. Randazzo, O. Kostko, M. Ahmed, M.-C. Liang, Y.L. Yung, and K.A. Boering, "Measurements of isotope effects in the photionization of N2 and implications for Titan's atmosphere," Astrophys. J. Lett. 728, L32, doi:10.1088/2041-8205/728/2/L32, 2011. [Link to abstract]
S. Park, T. Pérez, K. A. Boering, S.E. Trumbore, J. Gil, S. Marquina and S. C. Tyler, "Can N2O stable isotopes and isotopomers be useful tools to characterize sources and microbial pathways of N2O production and consumption in tropical soils?" Glob. Biogeochem. Cycles 25, GB1001, doi:10.1029/2009GB003615, 2011. [Link to abstract]
P. Croteau, E. L. Atlas, S. M. Schauffler, D. R. Blake, G. S. Diskin, and K. A. Boering, "The effect of local and regional sources on the isotopic composition of nitrous oxide in the tropical free troposphere and tropopause layer,"Journal of Geophysical Research (Atmospheres) 115, D00J11, doi:10.1029/2009JD013117, 2010. [Link to abstract]
L. Y. Yeung, H. P. Affek, K. J. Hoag, W. Guo, A. A. Wiegel, E. L. Atlas, S. M. Schauffler, M. Okumura, K. A. Boering, and J. M. Eiler, "Large and unexpected enrichment in stratospheric 16O13C18O and its meridional variation," Proc. Nat. Acad. Sci. 106 (28), 11496-11501, doi: 10.1073/pnas.0902930106, 2009. [Link to abstract]
A. Engel, T. Moebius, H. Boenisch, U. Schmidt, R. Heinz, I. Levin, E. Atlas, S. Aoki, T. Nakazawa, S. Sugawara, F. Moore, D. Hurst, J. Elkins, S. Schauffler, A. Andrews, and K. Boering, "No observable change in the stratospheric circulation from mean age of air measurements," Nature Geoscience 2, 28-31, DOI: 10.1038/NGEO388, 2009. [Link to abstract]
J. C. Wilson, S.-H. Lee, J. M. Reeves, C. A. Brock, H. H. Jonsson, B. G. Lafleur, M. Loewenstein, J. Podolske, E. Atlas, K. Boering, G. Toon, D. Fahey, T. P. Bui, G. Diskin, and F. Moore, "Steady-state aerosol distributions in the extra-tropical, lower stratosphere and the processes that maintain them," Atmos. Chem. Phys. 8, 6617-6626, 2008. [Link to journal article]
K.A. Mar, M.C. McCarthy, P. Connell, and K.A. Boering, "Modeling the photochemical origins of the extreme deuterium enrichment in stratospheric H2," J. Geophys. Res. (Atmospheres) 121, D19302, doi:10.1029/2006JD007403, 2007. [Link to pdf file] (Copyright, American Geophysical Union)
A.L. Van Wyngarden, K.A. Mar, K.A. Boering, J.J. Lin, Y.T. Lee, S.-Y. Lin, H. Guo, and G. Lendvay, "Non-statistical behavior of reactive scattering in the 18O + 32O2 isotope exchange reaction," J. Am. Chem. Soc. 129 (10), 2866-2870, doi: 10.1021/ja0668163, 2007. [Link to journal article]
A.S. Cole and K.A. Boering, "Mass-dependent and non-mass-dependent isotope effects in ozone photolysis: Resolving theory and experiments," J. Chem. Phys. 125 (18), doi: 10.1063/1.2363984, 2006. [Link to journal article]
K.J. Hoag, C.J. Still, I.Y. Fung, and K.A. Boering, "Triple oxygen isotope composition of tropospheric carbon dioxide as a tracer of terrestrial gross carbon fluxes," Geophys. Res. Lett. 32, L02802, doi:10.1029/2004GL021011, 2005. [Link to pdf file] (Copyright, American Geophysical Union)
M.J. Perri, A.L. Van Wyngarden, J.J. Lin, Y.T. Lee, and K.A. Boering, "Energy dependence of oxygen isotope exchange and quenching in the O(1D) + CO2 reaction: A crossed molecular beam study," J. Phys. Chem. A 108(39), 7995-8001, doi:10.1021/jp0485845, 2004. [Link to journal article]
M.C. McCarthy, K.A. Boering, T. Rahn, J.M. Eiler, A. L. Rice, S. C. Tyler, S. Schauffler, E. Atlas, and D.G. Johnson, "The hydrogen isotopic composition of water vapor entering the stratosphere inferred from high precision measurements of δD-CH4 and δD-H2," J. Geophys. Res. (Atmospheres) 109(D7), D07403, doi: 10.1029/2003JD004003, 2004. [Link to pdf file] (Copyright, American Geophysical Union)
K.A. Boering, T. Jackson, K. Hoag, A.S. Cole, M. Perri, M. Thiemens, and E. Atlas, "Observations of the anomalous oxygen isotopic composition of carbon dioxide in the lower stratosphere and the flux of the anomaly to the troposphere," Geophys. Res. Lett. 31, L03109, doi:10.1029/2003GL018451, 2004. [Link to pdf file] or [Download Table 1 in Microsoft Word .doc format] or [Download Table 1 in .html format] (Copyright, American Geophysical Union)
S. Park, E. Atlas, and K.A. Boering, "Measurements of nitrous oxide isotopologues in the stratosphere: The influence of transport on the apparent enrichment factors and implications for the global N2O isotope budget," J. Geophys. Res. (Atmospheres) 109, D01305, doi:10.1029/2003JD003731, 2004. [Link to pdf file] (Copyright, American Geophysical Union)
J. Kaiser, S. Park, K.A. Boering, C.A.M. Brenninkmeijer, A. Hilkert, T. Röckmann, "Mass-spectrometric method for the absolute calibration of the intramolecular nitrogen isotope distribution in nitrous oxide," Anal. Bioanal. Chem. 378, 256-269, doi:10.1007/s00216-003-2233-2, 2004. [Link to pdf file]
M.J. Perri, A.L. Van Wyngarden, K.A. Boering, J.J. Lin, and Y.T. Lee, "Dynamics of the O(1D) + CO2 oxygen isotope exchange reaction," J. Chem. Phys. 119(16), 8213-8216, 2003. [Link to pdf file] (Copyright, American Insitute of Physics)
T. Rahn, J.M. Eiler, K.A. Boering, P.O. Wennberg, M.C. McCarthy, S. Tyler, S. Schauffler, S. Donnelly, and E. Atlas, "Extreme deuterium enrichment in stratospheric hydrogen and the global atmospheric budget of H2," Nature 424, 918-921, 2003. [Link to abstract]
M. Adamkovics and K.A. Boering, "Photochemical formation rates of organic aerosols through time-resolved in situ laboratory measurements," J. Geophys. Res. (Planets) 108(E8), 5092, doi:10.1029/2002JE002028, 2003. [Link to pdf file] (Copyright, American Geophysical Union)
M.C. McCarthy, K.A. Boering, A.L. Rice, S.C. Tyler, P. Connell, and E. Atlas, "The carbon and hydrogen isotopic compositions of stratospheric methane, Part 2: 2-D model results and implications for kinetic isotope effects," J. Geophys. Res. (Atmospheres) 108(D15), 4461, doi: 10.1029/2002JD003183, 2003. [Link to pdf file] (Copyright, American Geophysical Union)
A.L. Rice, S.C. Tyler, M.C.McCarthy, K.A. Boering, and E. Atlas, "The carbon and hydrogen isotopic compositions of stratospheric methane, Part 1: High-precision observations from the NASA ER-2 aircraft," J. Geophys. Res. (Atmospheres) 108(D15), 4460, doi:10.1029/2002JD003042, 2003. [Link to pdf file] (Copyright, American Geophysical Union)
B.C. Daube Jr., K.A. Boering, A.E. Andrews, and S.C. Wofsy, "A high-precision fast-response airborne CO2 analyzer for in situ sampling from the surface to the middle stratosphere," J. Atmos. Ocean Technol. 19, 1532-1543, 2002.
M.C. McCarthy, P. Connell, and K.A. Boering, "Isotopic fractionation of methane in the stratosphere and its effect on free tropospheric isotopic compositions," Geophys. Res. Lett. 28, 3657-3660, 2001. [Link to pdf file] (Copyright, American Geophysical Union)
A.E. Andrews, K.A. Boering, B.C. Daube, S.C. Wofsy, M. Loewenstein, H. Jost, J.R. Podolske, C.R. Webster, R.L. Herman, D.C. Scott, G.J. Flesch, E.J. Moyer, J.W. Elkins, G.S. Dutton, D. Hurst, F.L. Moore, E.A. Ray, P.A. Romashkin, S.E. Strahan, "Mean ages of stratospheric air derived from in situ observations of CO2, CH4, and N2O," J. Geophys. Res. 106, 32295-32314, 2001.
A.E. Andrews, K. A. Boering, S.C. Wofsy, B.C. Daube, D.B. Jones, S. Alex, M. Loewenstein, J.R. Podolske, and S.E. Strahan, "Empirical age spectra for the midlatitude lower stratosphere from in situ observations of stratospheric CO2: Quantitative evidence for a subtropical "barrier" to horizontal transport," J. Geophys. Res. 106, 10257-10274, 2001.
B. Luz, E. Barkan, M.L. Bender, M.H. Thiemens, K. A. Boering, "Triple-isotope composition of atmospheric oxygen as a tracer of biosphere productivity," Nature 400, 547-550, 1999. [Link to abstract]
T.M. Hall, D.W. Waugh, K.A. Boering, R.A. Plumb, "Evaluation of transport in stratospheric models," J. Geophys. Res. 104, 18815-18839, 1999.
A.E. Andrews, K. A. Boering, B.C. Daube, S.C. Wofsy, E.J. Hintsa, E.M Weinstock, T.P. Bui, "Empirical age spectra for the lower tropical stratosphere from in situ observations of stratospheric CO2: Implications for stratospheric transport," J. Geophys. Res. 104, 26581-26595, 1999.
E.J. Hintsa, K.A. Boering, E.M Weinstock, J.G. Anderson, B.L. Gary, L. Pfister, B.C. Daube, S.C. Wofsy, M. Loewenstein, J.R. Podolske, J.J. Margitan, T.P. Bui, "Troposphere-to-stratosphere transport in the lowermost stratosphere from measurements of H2O, CO2, N2O, and O3," Geophys. Res. Lett. 25, 2655-2658, 1998.
S.E. Strahan, A.R. Douglass, J.E. Nielsen, K.A. Boering, "The CO2 seasonal cycle as a tracer of transport," J. Geophys. Res. 103, 13729-13741, 1998.
K.A. Boering, S.C. Wofsy, B.C. Daube, H.R. Schneider, M. Loewenstein, J.R. Podolske, T.J. Conway, "Stratospheric mean ages and transport rates from observations of carbon dioxide and nitrous oxide," Science 274, 1340-1343, 1996.
D.W. Fahey, E.R. Keim, K.A. Boering, C.A. Brock, J.C. Wilson, H.H. Jonsson, S. Anthony, T.F. Hanisco, P.O. Wennberg, R.C. Miake-Lye, R.J. Salawitch, N. Louisnard, E.L Woodbridge, R.S. Gao, S.G. Donnelly, R.C. Wamsley, L.A. Del Negro, S. Solomon, B.C. Daube, S.C. Wofsy, C.R. Webster, R.D. May, K.K. Kelly, M Loewenstein, J.R. Podolske, and K.R. Chan., "Emission measurements of the Concorde supersonic aircraft in the lower stratosphere," Science 270, 70-74, 1995.
Recent student and postdoc presentations (last updated 12/18/15)
L. A. Garofalo, A. M. Kanu, T. P. Guilderson, E. L. Atlas, D. R. Blake, D. J. Bergmann, P. J. Cameron-Smith, K. A. Boering, "Measurements and Modeling of Radiocarbon (14CO2) from the Lower Troposphere to the Middle Stratosphere and Implications for Use as a Tracer of Large-scale Atmospheric Transport and Stratospheric Residence Times," Abstract A33K-0333, in the session Large-Scale Atmospheric Transport and Mixing: Observations, Modeling, and Theory, presented at the American Geophysical Union 2015 Fall Meeting, San Francisco, CA, 14-18 December 2015.
M. C. Smith, W. Chao, W.-L. Ting, C.-H. Chang, L.-C. Lin, K. Takahashi, K. A. Boering, J. J. Lin, "Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics," Abstract A13E-0398, in the session VOC Chemistry and OH Reactivity: Known Unknowns and Unknown Unknowns, presented at the American Geophysical Union 2015 Fall Meeting, San Francisco, CA, 14-18 December 2015.
M.C. Smith, W.-L. Ting, C.-H. Chang, W. Chao, L.-C. Lin, K. Takahashi, K.A. Boering, J.-J. Lin, "Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics," 2015 Gordon Conference on Atmospheric Chemistry, Waterville Valley, New Hampshire, 2-7 August 2015.
L.A. Garofalo, M.C. Smith, P. Dagdigian, J. Kłos, M. Alexander, K.A. Boering, J.-J. Lin, "A crossed beam study of electronic quenching of O(1D) by Xe: Stueckelberg Oscillations and Comparison with Theory," 2015 Conference on Dynamics of Molecular Collisions, Asilomar, California, 12-17 July 2015.
M. Smith, W.-L. Ting, C.-H. Chang, W. Chao, L.-C. Lin, K. Takahashi, K.A. Boering, J.-J. Lin, "Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics," 2015 Conference on Dynamics of Molecular Collisions, Asilomar, California, 12-17 July 2015.
L.A. Garofalo, M.C. Smith, K.A. Boering, J.-J. Lin,”Oscillations in the angular distributions of scattered products from the O(1D) + Xe electronic quenching reaction at multiple collision energies: A crossed beam study,” 62nd Pacific Conference on Spectroscopy and Dynamics, Asilomar, California 29 January – 1 February, 2015.
A. Kanu and K.A. Boering, “The effects of stratospheric chemistry and transport on the isotopic compositions of long-lived gases measured at Earth's surface," in the session ‘Using Atmospheric Measurements and Remote Sensing Data to Constrain Biosphere-Atmosphere Exchange Processes,’ presented at the American Geophysical Union 2014 Fall Meeting, Abstract A13L-3339, San Francisco, California, 15-19 December 2014.
L. A. Garofalo, M. C. Smith, K. A. Boering, J. J. Lin, "Energy dependent oscillations in the angular distribution of O(1D) + Xe inelastic scattering," Poster PHYS 535, 248th American Chemical Society National Meeting & Exposition, San Francisco, CA, 10-14 August 2014.
A. D. Estillore, B. Jin, C.-P. Huang, L. A. Garofalo, M. C. Smith, Y. T. Lee, J. J. Lin, K. A. Boering, "Dynamics of the 18O(1D) + C16O reaction by crossed beam methods and implications for non-mass-dependent oxygen isotope effects in bulk photochemistry experiments," Poster PHYS 501, 248th American Chemical Society Meeting & Exposition, San Francisco, CA, 10-14 August 2014.
M. C. Smith, W.-L. Ting, C.-H. Chang, K. A. Boering, J. J. Lin, "Kinetics and absolute UV absorption spectrum of a methyl substituted Criegee intermediate CH3CHOO," Abstract 42, in the session Fundamental Processes of Atmospheric Chemistry, presented at the 248th American Chemical Society National Meeting & Exposition, San Francisco, CA, 10-14 August 2014.
A.D. Estillore, A. A. Wiegel, K.A. Boering, "The non-mass-dependent oxygen isotopic composition of CO2 formed by O+CO: Anomalous isotope effects in the O+CO recombination reaction or transfer from ozone?" Abstract A23A-0201, presented at the American Geophysical Union 2013 Fall Meeting, San Francisco, California, 9-13 December 2013.
A.D. Estillore, B. Jin, T. Huang, L. Garofalo, M. Smith, Y.T. Lee, J. J.-M. Lin, K.A. Boering, "Crossed-beam studies of the dynamics of the 18O(1D) + C16O oxygen isotope exchange reaction and implications for non-mass-dependent oxygen isotope effects in bulk photochemistry experiments," 2013 Conference on Dynamics of Molecular Collisions, Tahoe City, California, 7-12 July 2013.
A. A. Wiegel and K. A. Boering, "Measurements and kinetics modeling of the O2/CO2 dependence of the oxygen-17 isotope anomaly in carbon dioxide," Geophysical Research Abstracts Vol. 14, EGU2012-935, 2012 European Geophysical Union General Assembly, Vienna, Austria, 25 April, 2012.
J. B. Randazzo, P. Croteau, O. Kostko, A. Golan, A., M. Ahmed, K. A. Boering, "Isotope effects and spectroscopic assignments in the photoionization spectrum of N2," Poster PHYS 412, 243rd American Chemical Society National Meeting & Exposition, San Diego, CA, 25-29 March, 2012.
A. M. Kanu, L. L. Comfort, P. J. Cameron-Smith, D. Bergmann, T. Guilderson, E. L. Atlas, S. Schauffler, K. A. Boering, "Stratospheric radiocarbon in the Twenty-First Century: Comparing measurements and model results," Abstract B31A-0319, in the session 14-C in Terrestrial Ecology, presented at the 2011 American Geophysical Union Fall Meeting, San Francisco, CA, 5-9 December 2011.
S. Park, P. L. Croteau, K. A. Boering, D. M. Etheridge, D. Ferretti, P. Fraser, K.-R. Kim, P. B. Krummel, R. Langenfelds, T. J. Perez, P. Steele, C. M. Trudinger, "Trends in the relative contributions of microbial N2O production processes," Abstract B44A-04 presented at the 2011 American Geophysical Union Meeting, San Francisco, CA, 5-9 December, 2011.
M. C. Smith, W. Chao, W.-L. Ting, C.-H. Chang, L.-C. Lin, K. Takahashi, K. A. Boering, J. J. Lin, "Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics," Abstract A13E-0398, in the session VOC Chemistry and OH Reactivity: Known Unknowns and Unknown Unknowns, presented at the American Geophysical Union 2015 Fall Meeting, San Francisco, CA, 14-18 December 2015.
M.C. Smith, W.-L. Ting, C.-H. Chang, W. Chao, L.-C. Lin, K. Takahashi, K.A. Boering, J.-J. Lin, "Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics," 2015 Gordon Conference on Atmospheric Chemistry, Waterville Valley, New Hampshire, 2-7 August 2015.
L.A. Garofalo, M.C. Smith, P. Dagdigian, J. Kłos, M. Alexander, K.A. Boering, J.-J. Lin, "A crossed beam study of electronic quenching of O(1D) by Xe: Stueckelberg Oscillations and Comparison with Theory," 2015 Conference on Dynamics of Molecular Collisions, Asilomar, California, 12-17 July 2015.
M. Smith, W.-L. Ting, C.-H. Chang, W. Chao, L.-C. Lin, K. Takahashi, K.A. Boering, J.-J. Lin, "Transient Absorption Spectroscopy of C1 and C2 Criegee Intermediates: UV Spectrum and Reaction Kinetics," 2015 Conference on Dynamics of Molecular Collisions, Asilomar, California, 12-17 July 2015.
L.A. Garofalo, M.C. Smith, K.A. Boering, J.-J. Lin,”Oscillations in the angular distributions of scattered products from the O(1D) + Xe electronic quenching reaction at multiple collision energies: A crossed beam study,” 62nd Pacific Conference on Spectroscopy and Dynamics, Asilomar, California 29 January – 1 February, 2015.
A. Kanu and K.A. Boering, “The effects of stratospheric chemistry and transport on the isotopic compositions of long-lived gases measured at Earth's surface," in the session ‘Using Atmospheric Measurements and Remote Sensing Data to Constrain Biosphere-Atmosphere Exchange Processes,’ presented at the American Geophysical Union 2014 Fall Meeting, Abstract A13L-3339, San Francisco, California, 15-19 December 2014.
L. A. Garofalo, M. C. Smith, K. A. Boering, J. J. Lin, "Energy dependent oscillations in the angular distribution of O(1D) + Xe inelastic scattering," Poster PHYS 535, 248th American Chemical Society National Meeting & Exposition, San Francisco, CA, 10-14 August 2014.
A. D. Estillore, B. Jin, C.-P. Huang, L. A. Garofalo, M. C. Smith, Y. T. Lee, J. J. Lin, K. A. Boering, "Dynamics of the 18O(1D) + C16O reaction by crossed beam methods and implications for non-mass-dependent oxygen isotope effects in bulk photochemistry experiments," Poster PHYS 501, 248th American Chemical Society Meeting & Exposition, San Francisco, CA, 10-14 August 2014.
M. C. Smith, W.-L. Ting, C.-H. Chang, K. A. Boering, J. J. Lin, "Kinetics and absolute UV absorption spectrum of a methyl substituted Criegee intermediate CH3CHOO," Abstract 42, in the session Fundamental Processes of Atmospheric Chemistry, presented at the 248th American Chemical Society National Meeting & Exposition, San Francisco, CA, 10-14 August 2014.
A.D. Estillore, A. A. Wiegel, K.A. Boering, "The non-mass-dependent oxygen isotopic composition of CO2 formed by O+CO: Anomalous isotope effects in the O+CO recombination reaction or transfer from ozone?" Abstract A23A-0201, presented at the American Geophysical Union 2013 Fall Meeting, San Francisco, California, 9-13 December 2013.
A.D. Estillore, B. Jin, T. Huang, L. Garofalo, M. Smith, Y.T. Lee, J. J.-M. Lin, K.A. Boering, "Crossed-beam studies of the dynamics of the 18O(1D) + C16O oxygen isotope exchange reaction and implications for non-mass-dependent oxygen isotope effects in bulk photochemistry experiments," 2013 Conference on Dynamics of Molecular Collisions, Tahoe City, California, 7-12 July 2013.
A. A. Wiegel and K. A. Boering, "Measurements and kinetics modeling of the O2/CO2 dependence of the oxygen-17 isotope anomaly in carbon dioxide," Geophysical Research Abstracts Vol. 14, EGU2012-935, 2012 European Geophysical Union General Assembly, Vienna, Austria, 25 April, 2012.
J. B. Randazzo, P. Croteau, O. Kostko, A. Golan, A., M. Ahmed, K. A. Boering, "Isotope effects and spectroscopic assignments in the photoionization spectrum of N2," Poster PHYS 412, 243rd American Chemical Society National Meeting & Exposition, San Diego, CA, 25-29 March, 2012.
A. M. Kanu, L. L. Comfort, P. J. Cameron-Smith, D. Bergmann, T. Guilderson, E. L. Atlas, S. Schauffler, K. A. Boering, "Stratospheric radiocarbon in the Twenty-First Century: Comparing measurements and model results," Abstract B31A-0319, in the session 14-C in Terrestrial Ecology, presented at the 2011 American Geophysical Union Fall Meeting, San Francisco, CA, 5-9 December 2011.
S. Park, P. L. Croteau, K. A. Boering, D. M. Etheridge, D. Ferretti, P. Fraser, K.-R. Kim, P. B. Krummel, R. Langenfelds, T. J. Perez, P. Steele, C. M. Trudinger, "Trends in the relative contributions of microbial N2O production processes," Abstract B44A-04 presented at the 2011 American Geophysical Union Meeting, San Francisco, CA, 5-9 December, 2011.