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Publications
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Blake, N. J., D. R. Blake, B. C. Sive, A. S. Katzenstein, S. Meinardi, O. W. Wingenter, E. L. Atlas, F. Flocke, B. A. Ridley, and F. S. Rowland, 2003: The seasonal evolution of NMHCs and light alkyl nitrates at middle to high northern latitudes during TOPSE. J. Geophys. Res., 108, 8359, doi: 10.1029/2001JD001467.
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Browell, E. V., J. W. Hair, C. F. Butler, W. B. Grant, R. J. DeYoung, M. A. Fenn, V. G. Brackett, M. B. Clayton, L. A. Brasseur, D. B. Harper, B. A. Ridley, A. A. Klonecki, P. G. Hess, L. K. Emmons, X. Tie, E. L. Atlas, C. A. Cantrell, A. J. Wimmers, D. R. Blake, M. T. Coffey, J. W. Hannigan, J. E. Dibb, R. W. Talbot, F. Flocke, A. J. Weinheimer, A. Fried, B. Wert, J. A. Snow, and B. L. 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, 8369, doi: 10.1029/2001JD001390.
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Cantrell, C. A., G. D. Edwards, S. Stephens, L. Mauldin, E. Kosciuch, M. Zondlo, and F. Eisele, 2003: Peroxy radical observations using chemical ionization mass spectrometry during TOPSE. J. Geophys. Res., 108, 8371, doi: 10.1029/2002JD002715.
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Cantrell, C. A., 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. V. 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, 8361, doi: 10.1029/2002JD002198.
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Dibb, J. E., R. W. 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, 8363, doi: 10.1029/2001JD001347.
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Emmons, L. K., P. Hess, A. Klonecki, X. Tie, L. Horowitz, J.‐F. Lamarque, D. Kinnison, G. Brasseur, E. Atlas, E. Browell, C. Cantrell, F. Eisele, R. L. Mauldin, J. Merrill, B. Ridley, and R. Shetter, 2003: Budget of tropospheric ozone during TOPSE from two chemical transport models. J. Geophys. Res., 108, 8372, doi: 10.1029/2002JD002665.
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Evans, M. J., D. J. Jacob, E. Atlas, C. A. Cantrell, F. Eisele, F. Flocke, A. Fried, R. L. Mauldin, B. A. Ridley, B. Wert, R. Talbot, D. Blake, B. Heikes, J. Snow, J. Walega, A. J. 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, 8368, doi: 10.1029/2002JD002732.
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Flocke, F. M., Weinheimer, A. J., Swanson, A. L., Roberts, J. M., Schmitt, R., & Shertz, S. (2005). On the Measurement of PANs by Gas Chromatography and Electron Capture Detection. J Atmos Chem, 52(1), 19-43. doi:10.1007/s10874-005-6772-0
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Fried, A., Y. Wang, C. Cantrell, B. Wert, J. Walega, B. Ridley, E. Atlas, R. Shetter, B. Lefer, M. T. 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, 8365, doi: 10.1029/2002JD002208.
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Klonecki, A., P. Hess, L. Emmons, L. Smith, J. Orlando, and D. Blake, 2003: Seasonal changes in the transport of pollutants into the Arctic troposphere‐model study. J. Geophys. Res., 108, 8367, doi: 10.1029/2002JD002199.
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Laepple, T., M. G. Schultz, J. F. Lamarque, S. Madronich, R. E. Shetter, B. L. Lefer, and E. Atlas, 2005: Improved albedo formulation for chemistry transport models based on satellite observations and assimilated snow data and its impact on tropospheric photochemistry. J. Geophys. Res., 110, D11308, doi: 10.1029/2004JD005463.
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Liang, Q., J. M. Rodriguez, A. R. Douglass, J. H. Crawford, J. R. Olson, E. Apel, H. Bian, D. R. Blake, W. Brune, M. Chin, P. R. Colarco, A. da Silva, G. S. Diskin, B. N. Duncan, L. G. Huey, D. J. Knapp, D. D. Montzka, J. E. Nielsen, S. Pawson, D. D. Riemer, A. J. Weinheimer, and A. Wisthaler, 2011: Reactive nitrogen, ozone and ozone production in the Arctic troposphere and the impact of stratosphere-troposphere exchange. Atmos. Chem. Phys., 11, 13181–13199, doi: 10.5194/acp-11-13181-2011.
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Mauldin III, R. L., C. A. Cantrell, M. A. Zondlo, E. Kosciuch, B. A. Ridley, R. Weber, and F. E. Eisele, 2003: Measurements of OH, H2SO4, and MSA during Tropospheric Ozone Production About the Spring Equinox (TOPSE). J. Geophys. Res., 108, 8366, doi: 10.1029/2002JD002295.
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Murphy, J. G., J. A. Thornton, P. J. Wooldridge, D. A. Day, R. S. Rosen, C. Cantrell, R. E. Shetter, B. Lefer, and R. C. Cohen, 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.
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Olson, J. R., Crawford, J. H., Brune, W., Mao, J., Ren, X., Fried, A., ... Wisthaler, A. (2012). An analysis of fast photochemistry over high northern latitudes during spring and summer using in-situ observations from ARCTAS and TOPSE. Atmos. Chem. Phys., 12(15), 6799-6825. doi:10.5194/acp-12-6799-2012
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Ridley, B. A., E. L. Atlas, D. D. Montzka, E. V. Browell, C. A. Cantrell, D. R. Blake, N. J. Blake, L. Cinquini, M. T. Coffey, L. K. Emmons, R. C. Cohen, R. J. DeYoung, J. E. Dibb, F. L. Eisele, F. M. Flocke, A. Fried, F. E. Grahek, W. B. Grant, J. W. Hair, J. W. Hannigan, B. J. Heikes, B. L. Lefer, R. L. Mauldin, J. L. Moody, R. E. Shetter, J. A. Snow, R. W. Talbot, J. A. Thornton, J. G. Walega, A. J. Weinheimer, B. P. Wert, and A. J. 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.
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Ridley, B. A., T. Zeng, Y. Wang, E. L. Atlas, E. V. Browell, P. G. Hess, J. J. Orlando, K. Chance, and A. Richter, 2007: An ozone depletion event in the sub-arctic surface layer over Hudson Bay, Canada. J. Atmos. Chem., 57, 255–280 (2007), doi: 10.1007/s10874-007-9072-z.
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Scheuer, E., R. W. Talbot, J. E. Dibb, G. K. 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, 8370, doi: 10.1029/2001JD001364.
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Snow, J. A., B. G. Heikes, J. T. Merrill, A. J. Wimmers, J. L. Moody, and C. A. 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, 8362, doi: 10.1029/2002JD002172.
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Snow, J. A., Heikes, B. G., Shen, H., O'Sullivan, D. W., Fried, A., & Walega, J. (2007). Hydrogen peroxide, methyl hydroperoxide, and formaldehyde over North America and the North Atlantic. Journal of Geophysical Research, 112(D12). doi:10.1029/2006jd007746
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Stroud, C., S. Madronich, E. Atlas, C. Cantrell, A. Fried, B. Wert, B. Ridley, F. Eisele, L. Mauldin, R. Shetter, B. Lefer, F. Flocke, A. Weinheimer, M. Coffey, B. Heikes, R. Talbot, and D. Blake, 2004: Photochemistry in the Arctic Free Troposphere: Ozone Budget and Its Dependence on Nitrogen Oxides and the Production Rate of Free Radicals. Journal of Atmospheric Chemistry, 47, 107–138 (2004), doi: 10.1023/B:JOCH.0000021026.71906.e1.
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Tie, X., L. Emmons, L. Horowitz, G. Brasseur, B. Ridley, E. Atlas, C. Stround, 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, 8364, doi: 10.1029/2001JD001508.
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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, 8358, doi: 10.1029/2002JD002227.
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Wang, Y., C. Shim, N. Blake, D. Blake, Y. Choi, B. Ridley, J. Dibb, A. Wimmers, J. Moody, F. Flocke, A. Weinheimer, R. Talbot, and E. Atlas, 2003: Intercontinental transport of pollution manifested in the variability and seasonal trend of springtime O3 at northern middle and high latitudes. J. Geophys. Res., 108, 4683, doi: 10.1029/2003JD003592.
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Wang, Y., Y. Choi, T. Zeng, B. Ridley, N. Blake, D. Blake, and F. Flocke, 2006: Late‐spring increase of trans‐Pacific pollution transport in the upper troposphere. Geophys. Res. Lett., 33, L01811, doi: 10.1029/2005GL024975.
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Weber, R. J., D. Orsini, B. Wang, E. Scheuer, R. W. Talbot, J. E. Dibb, G. K. Seid, L. DeBell, R. L. 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, 8357, doi: 10.1029/2002JD002239.
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Wimmers, A. J., J. L. Moody, E. V. Browell, J. W. Hair, W. B. Grant, C. F. Butler, M. A. Fenn, C. C. Schmidt, J. Li, and B. A. Ridley, 2003: Signatures of tropopause folding in satellite imagery. J. Geophys. Res., 108, 8360, doi: 10.1029/2001JD001358.
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Zeng, T., Y. Wang, K. Chance, E. V. Browell, B. A. Ridley, and E. L. Atlas, 2003: Widespread persistent near‐surface ozone depletion at northern high latitudes in spring. Geophys. Res. Lett., 30, 2298, doi: 10.1029/2003GL018587.
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Zeng, T., Y. Wang, K. Chance, N. Blake, D. Blake, and B. Ridley, 2006: Halogen‐driven low‐altitude O3 and hydrocarbon losses in spring at northern high latitudes. J. Geophys. Res., 111, D17313, doi: 10.1029/2005JD006706.