Search Results - "K. Dzepina"

Atmospheric peroxyacetyl nitrate (PAN): a global budget and source attribution by Fischer, E V, Jacob, D J, Yantosca, R M, Sulprizio, M P, Millet, D B, Mao, J, Paulot, F, Singh, H B, Roiger, A, Ries, L, Talbot, R W, Dzepina, K, Pandey Deolal, S

“…Peroxyacetyl nitrate (PAN) formed in the atmospheric oxidation of non-methane volatile organic compounds (NMVOCs) is the principal tropospheric reservoir for…”
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Ubiquity and dominance of oxygenated species in organic aerosols in anthropogenically-influenced Northern Hemisphere midlatitudes by Zhang, Q., Jimenez, J. L., Canagaratna, M. R., Allan, J. D., Coe, H., Ulbrich, I., Alfarra, M. R., Takami, A., Middlebrook, A. M., Sun, Y. L., Dzepina, K., Dunlea, E., Docherty, K., DeCarlo, P. F., Salcedo, D., Onasch, T., Jayne, J. T., Miyoshi, T., Shimono, A., Hatakeyama, S., Takegawa, N., Kondo, Y., Schneider, J., Drewnick, F., Borrmann, S., Weimer, S., Demerjian, K., Williams, P., Bower, K., Bahreini, R., Cottrell, L., Griffin, R. J., Rautiainen, J., Sun, J. Y., Zhang, Y. M., Worsnop, D. R.

“…Organic aerosol (OA) data acquired by the Aerosol Mass Spectrometer (AMS) in 37 field campaigns were deconvolved into hydrocarbon‐like OA (HOA) and several…”
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Evaluation of recently-proposed secondary organic aerosol models for a case study in Mexico City by Dzepina, K., Volkamer, R. M., Madronich, S., Tulet, P., Ulbrich, I. M., Zhang, Q., Cappa, C. D., Ziemann, P. J., Jimenez, J. L.

“…Recent field studies have found large discrepancies in the measured vs. modeled SOA mass loadings in both urban and regional polluted atmospheres. The reasons…”
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Annual variation of source contributions to PM 10 and oxidative potential in a mountainous area with traffic, biomass burning, cement-plant and biogenic influences by Glojek, K, Dinh Ngoc Thuy, V, Weber, S, Uzu, G, Manousakas, M, Elazzouzi, R, Džepina, K, Darfeuil, S, Ginot, P, Jaffrezo, J L, Žabkar, R, Turšič, J, Podkoritnik, A, Močnik, G

“…Toxicity of particulate matter (PM) depends on its sources, size and composition. We identified PM sources and determined their contribution to oxidative…”
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Molecular characterization of free tropospheric aerosol collected at the Pico Mountain Observatory: a case study with a long-range transported biomass burning plume by Dzepina, K, Mazzoleni, C, Fialho, P, China, S, Zhang, B, Owen, R. C, Helmig, D, Hueber, J, Kumar, S, Perlinger, J. A, Kramer, L. J, Dziobak, M. P, Ampadu, M. T, Olsen, S, Wuebbles, D. J, Mazzoleni, L. R

“…Free tropospheric aerosol was sampled at the Pico Mountain Observatory located at 2225 m above mean sea level on Pico Island of the Azores archipelago in the…”
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Estimation of atmospheric deposition utilizing lichen Hypogymnia physodes, moss Hypnum cupressiforme and soil in Bosnia and Herzegovina by Adžemović, S., Aliefendić, S., Mehić, E., Ranica, A., Vehab, I., Alagić, N., Delibašić, Š., Herceg, K., Karić, M., Hadžić, B., Gojak-Salimović, S., Ljubijankić, N., Džepina, K., Ramić, E., Huremović, J.

“…Samples of lichens, mosses and soil were used to compare lichen Hypogymnia physodes and moss Hypnum Cupressiforme as air pollution bioindicators by heavy…”
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Characterization of ambient aerosols in Mexico City during the MCMA-2003 campaign with Aerosol Mass Spectrometry: results from the CENICA Supersite by Salcedo, D., Onasch, T. B., Dzepina, K., Canagaratna, M. R., Zhang, Q., Huffman, J. A., DeCarlo, P. F., Jayne, J. T., Mortimer, P., Worsnop, D. R., Kolb, C. E., Johnson, K. S., Zuberi, B., Marr, L. C., Volkamer, R., Molina, L. T., Molina, M. J., Cardenas, B., Bernabé, R. M., Márquez, C., Gaffney, J. S., Marley, N. A., Laskin, A., Shutthanandan, V., Xie, Y., Brune, W., Lesher, R., Shirley, T., Jimenez, J. L.

“…An Aerodyne Aerosol Mass Spectrometer (AMS) was deployed at the CENICA Supersite, during the Mexico City Metropolitan Area field study (MCMA-2003) from 31…”
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Sources and transformations of particle-bound polycyclic aromatic hydrocarbons in Mexico City by Marr, L. C., Dzepina, K., Jimenez, J. L., Reisen, F., Bethel, H. L., Arey, J., Gaffney, J. S., Marley, N. A., Molina, L. T., Molina, M. J.

“…Understanding sources, concentrations, and transformations of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere is important because of their potent…”
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Technical Note: Use of a beam width probe in an Aerosol Mass Spectrometer to monitor particle collection efficiency in the field by Salcedo, D., Onasch, T. B., Canagaratna, M. R., Dzepina, K., Huffman, J. A., Jayne, J. T., Worsnop, D. R., Kolb, C. E., Weimer, S., Drewnick, F., Allan, J. D., Delia, A. E., Jimenez, J. L.

“…Two Aerodyne Aerosol Mass Spectrometers (Q-AMS) were deployed in Mexico City, during the Mexico City Metropolitan Area field study (MCMA-2003) from 29 March–4…”
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Comparative Analysis of Urban Atmospheric Aerosol by Particle-Induced X-ray Emission (PIXE), Proton Elastic Scattering Analysis (PESA), and Aerosol Mass Spectrometry (AMS) by Johnson, K. S, Laskin, A, Jimenez, J. L, Shutthanandan, V, Molina, L. T, Salcedo, D, Dzepina, K, Molina, M. J

“…A multifaceted approach to atmospheric aerosol analysis is often desirable in field studies where an understanding of technical comparability among different…”
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Annual variation of source contributions to PM10 and oxidative potential in a mountainous area with traffic, biomass burning, cement-plant and biogenic influences by Glojek, K., Dinh Ngoc Thuy, V., Weber, S., Uzu, G., Manousakas, M., Elazzouzi, R., Džepina, K., Darfeuil, S., Ginot, P., Jaffrezo, J.L., Žabkar, R., Turšič, J., Podkoritnik, A., Močnik, G.

“…Average daily contributions (90% CI black bar) to PM10 in relative (%, left pie charts), OPAA and OPDTT per source’s mass in absolute (OPm in nmol/min m−3,…”
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Implementation of a Markov Chain Monte Carlo method to inorganic aerosol modeling of observations from the MCMA-2003 campaign – Part II: Model application to the CENICA, Pedregal and Santa Ana sites by San Martini, F. M., Dunlea, E. J., Volkamer, R., Onasch, T. B., Jayne, J. T., Canagaratna, M. R., Worsnop, D. R., Kolb, C. E., Shorter, J. H., Herndon, S. C., Zahniser, M. S., Salcedo, D., Dzepina, K., Jimenez, J. L., Ortega, J. M., Johnson, K. S., McRae, G. J., Molina, L. T., Molina, M. J.

“…A Markov Chain Monte Carlo model for integrating the observations of inorganic species with a thermodynamic equilibrium model was presented in Part I of this…”
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Evolution of Organic Aerosols in the Atmosphere by Jimenez, J.L, Canagaratna, M.R, Donahue, N.M, Prevot, A.S.H, Zhang, Q, Kroll, J.H, DeCarlo, P.F, Allan, J.D, Coe, H, Ng, N.L, Aiken, A.C, Docherty, K.S, Ulbrich, I.M, Grieshop, A.P, Robinson, A.L, Duplissy, J, Smith, J.D, Wilson, K.R, Lanz, V.A, Hueglin, C, Sun, Y.L, Tian, J, Laaksonen, A, Raatikainen, T, Rautiainen, J, Vaattovaara, P, Ehn, M, Kulmala, M, Tomlinson, J.M, Collins, D.R, Cubison, M.J, Dunlea, J, Huffman, J.A, Onasch, T.B, Alfarra, M.R, Williams, P.I, Bower, K, Kondo, Y, Schneider, J, Drewnick, F, Borrmann, S, Weimer, S, Demerjian, K, Salcedo, D, Cottrell, L, Griffin, R, Takami, A, Miyoshi, T, Hatakeyama, S, Shimono, A, Sun, J.Y, Zhang, Y.M, Dzepina, K, Kimmel, J.R, Sueper, D, Jayne, J.T, Herndon, S.C, Trimborn, A.M, Williams, L.R, Wood, E.C, Middlebrook, A.M, Kolb, C.E, Baltensperger, U, Worsnop, D.R

“…Organic aerosol (OA) particles affect climate forcing and human health, but their sources and evolution remain poorly characterized. We present a unifying…”
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Modeling the Multiday Evolution and Aging of Secondary Organic Aerosol During MILAGRO 2006 by Dzepina, Katja, Cappa, Christopher D, Volkamer, Rainer M, Madronich, Sasha, DeCarlo, Peter F, Zaveri, Rahul A, Jimenez, Jose L

“…In this study, we apply several recently proposed models to the evolution of secondary organic aerosols (SOA) and organic gases advected from downtown Mexico…”
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Molecular and physical characteristics of aerosol at a remote free troposphere site: implications for atmospheric aging by Schum, Simeon K, Zhang, Bo, Džepina, Katja, Fialho, Paulo, Mazzoleni, Claudio, Mazzoleni, Lynn R

“…Aerosol properties are transformed by atmospheric processes during long-range transport and play a key role in the Earth's radiative balance. To understand the…”
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Annual variation of source contributions to PM10 and oxidative potential in a mountainous area with traffic, biomass burning, cement-plant and biogenic influences by Glojek, K., Dinh Ngoc Thuy, V., Weber, S., Uzu, G., Manousakas, M., Elazzouzi, R., Džepina, K., Darfeuil, S., Ginot, P., Jaffrezo, J.L., Žabkar, R., Turšič, J., Podkoritnik, A., Močnik, G.

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Annual variation of source contributions to PM10 and oxidative potential in a mountainous area with traffic, biomass burning, cement-plant and biogenic influences by Glojek, K., Dinh Ngoc Thuy, V., Weber, S., Uzu, G., Manousakas, M., Elazzouzi, R., Džepina, K., Darfeuil, S., Ginot, P., Jaffrezo, J.L., Žabkar, R., Turšič, J., Podkoritnik, A., Močnik, G.

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Implementation of a Markov Chain Monte Carlo method to inorganic aerosol modeling of observations from the MCMA-2003 campaign - PartII: Model application to the CENICA, Pedregal and Santa Ana sites by F. M. San Martini, E. J. Dunlea, R. Volkamer, T. B. Onasch, J. T. Jayne, M. R. Canagaratna, D. R. Worsnop, C. E. Kolb, J. H. Shorter, S. C. Herndon, M. S. Zahniser, D. Salcedo, K. Dzepina, J. L. Jimenez, J. M. Ortega, K. S. Johnson, G. J. McRae, L. T. Molina, M. J. Molina

“…A Markov Chain Monte Carlo model for integrating the observations of inorganic species with a thermodynamic equilibrium model was presented in PartI of this…”
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