Particulate sulfate ion concentration and SO₂ emission trends in the United States from the early 1990s through 2010 by W. C. Malm, B. A. Schichtel, J. L. Hand, M. L. Pitchford

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Determining the spatial and seasonal variability in OM/OC ratios across the US using multiple regression by H. Simon, P. V. Bhave, J. L. Swall, N. H. Frank, W. C. Malm

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Source regions contributing to excess reactive nitrogen deposition in the Greater Yellowstone Area (GYA) of the United States by R. Zhang, T. M. Thompson, M. G. Barna, J. L. Hand, J. A. McMurray, M. D. Bell, W. C. Malm, B. A. Schichtel

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Decreases in elemental carbon and fine particle mass in the United States by D. M. Murphy, J. C. Chow, E. M. Leibensperger, W. C. Malm, M. Pitchford, B. A. Schichtel, J. G. Watson, W. H. White

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Water uptake and chemical composition of fresh aerosols generated in open burning of biomass by C. M. Carrico, M. D. Petters, S. M. Kreidenweis, A. P. Sullivan, G. R. McMeeking, E. J. T. Levin, G. Engling, W. C. Malm, J. L. Collett Jr.

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Optical closure experiments for biomass smoke aerosols by L. A. Mack, E. J. T. Levin, S. M. Kreidenweis, D. Obrist, H. Moosmüller, K. A. Lewis, W. P. Arnott, G. R. McMeeking, A. P. Sullivan, C. E. Wold, W.-M. Hao, J. L. Collett Jr., W. C. Malm

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Oil and gas impacts on air quality in federal lands in the Bakken region: an overview of the Bakken Air Quality Study and first results by A. J. Prenni, D. E. Day, A. R. Evanoski-Cole, B. C. Sive, A. Hecobian, Y. Zhou, K. A. Gebhart, J. L. Hand, A. P. Sullivan, Y. Li, M. I. Schurman, Y. Desyaterik, W. C. Malm, J. L. Collett Jr., B. A. Schichtel

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Reduction in biomass burning aerosol light absorption upon humidification: roles of inorganically-induced hygroscopicity, particle collapse, and photoacoustic heat and mass transfe... by L. Liu, M. I. Mishchenko, A. Trimborn, T. B. Onasch, J. A. Huffman, I. M. Ulbrich, J. L. Jimenez, A. Laskin, W. C. Malm, D. E. Day, S. M. Kreidenweis, C. M. Carrico, R. K. Chakrabarty, H. Moosmüller, W. P. Arnott, K. A. Lewis

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Aerosol decadal trends – Part 1: In-situ optical measurements at GAW and IMPROVE stations by M. Collaud Coen, E. Andrews, A. Asmi, U. Baltensperger, N. Bukowiecki, D. Day, M. Fiebig, A. M. Fjaeraa, H. Flentje, A. Hyvärinen, A. Jefferson, S. G. Jennings, G. Kouvarakis, H. Lihavainen, C. Lund Myhre, W. C. Malm, N. Mihapopoulos, J. V. Molenar, C. O'Dowd, J. A. Ogren, B. A. Schichtel, P. Sheridan, A. Virkkula, E. Weingartner, R. Weller, P. Laj

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