Search Results - "Brock, C. A."

Biomass burning dominates brown carbon absorption in the rural southeastern United States by Washenfelder, R. A., Attwood, A. R., Brock, C. A., Guo, H., Xu, L., Weber, R. J., Ng, N. L., Allen, H. M., Ayres, B. R., Baumann, K., Cohen, R. C., Draper, D. C., Duffey, K. C., Edgerton, E., Fry, J. L., Hu, W. W., Jimenez, J. L., Palm, B. B., Romer, P., Stone, E. A., Wooldridge, P. J., Brown, S. S.

“…Brown carbon aerosol consists of light‐absorbing organic particulate matter with wavelength‐dependent absorption. Aerosol optical extinction, absorption, size…”
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Widespread Biomass Burning Smoke Throughout the Remote Troposphere by Froyd, K D, Bian, H, Kupc, A, Williamson, C, Brock, C A, Ray, E, Hornbrook, R S, Hills, A J, Apel, E C, Chin, M, Colarco, P R, Murphy, D M

“…Biomass burning emits ~34–41 Tg yr−1 of smoke aerosol to the atmosphere. Biomass burning aerosol directly influences the Earth’s climate by attenuation of…”
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Water droplet calibration of the Cloud Droplet Probe (CDP) and in-flight performance in liquid, ice and mixed-phase clouds during ARCPAC by Lance, S., Brock, C. A., Rogers, D., Gordon, J. A.

“…Laboratory calibrations of the Cloud Droplet Probe (CDP) sample area and droplet sizing are performed using water droplets of known size, generated at a known…”
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Organic Aerosol Formation Downwind from the Deepwater Horizon Oil Spill by de Gouw, J.A, Middlebrook, A.M, Warneke, C, Ahmadov, R, Atlas, E.L, Bahreini, R, Blake, D.R, Brock, C.A, Brioude, J, Fahey, D.W, Fehsenfeld, F.C, Holloway, J.S, Le Henaff, M, Lueb, R.A, McKeen, S.A, Meagher, J.F, Murphy, D.M, Paris, C, Parrish, D.D, Perring, A.E, Pollack, I.B, Ravishankara, A.R, Robinson, A.L, Ryerson, T.B, Schwarz, J.P, Spackman, J.R, Srinivasan, A, Watts, L.A

“…A large fraction of atmospheric aerosols are derived from organic compounds with various volatilities. A National Oceanic and Atmospheric Administration (NOAA)…”
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An important contribution to springtime Arctic aerosol from biomass burning in Russia by Warneke, C., Froyd, K. D., Brioude, J., Bahreini, R., Brock, C. A., Cozic, J., de Gouw, J. A., Fahey, D. W., Ferrare, R., Holloway, J. S., Middlebrook, A. M., Miller, L., Montzka, S., Schwarz, J. P., Sodemann, H., Spackman, J. R., Stohl, A.

“…Using aircraft observations and transport model calculations we determine the total amounts of various gas‐phase and aerosol species in the Arctic due to…”
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Gasoline emissions dominate over diesel in formation of secondary organic aerosol mass by Bahreini, R., Middlebrook, A. M., de Gouw, J. A., Warneke, C., Trainer, M., Brock, C. A., Stark, H., Brown, S. S., Dube, W. P., Gilman, J. B., Hall, K., Holloway, J. S., Kuster, W. C., Perring, A. E., Prevot, A. S. H., Schwarz, J. P., Spackman, J. R., Szidat, S., Wagner, N. L., Weber, R. J., Zotter, P., Parrish, D. D.

“…Although laboratory experiments have shown that organic compounds in both gasoline fuel and diesel engine exhaust can form secondary organic aerosol (SOA), the…”
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Biomass burning in Siberia and Kazakhstan as an important source for haze over the Alaskan Arctic in April 2008 by Warneke, C., Bahreini, R., Brioude, J., Brock, C. A., de Gouw, J. A., Fahey, D. W., Froyd, K. D., Holloway, J. S., Middlebrook, A., Miller, L., Montzka, S., Murphy, D. M., Peischl, J., Ryerson, T. B., Schwarz, J. P., Spackman, J. R., Veres, P.

“…During the ARCPAC (Aerosol, Radiation, and Cloud Processes affecting Arctic Climate) airborne field experiment in April 2008 in northern Alaska, about 50…”
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Characteristics, sources, and transport of aerosols measured in spring 2008 during the aerosol, radiation, and cloud processes affecting Arctic Climate (ARCPAC) Project by Brock, C. A., Cozic, J., Bahreini, R., Froyd, K. D., Middlebrook, A. M., McComiskey, A., Brioude, J., Cooper, O. R., Stohl, A., Aikin, K. C., de Gouw, J. A., Fahey, D. W., Ferrare, R. A., Gao, R.-S., Gore, W., Holloway, J. S., Hübler, G., Jefferson, A., Lack, D. A., Lance, S., Moore, R. H., Murphy, D. M., Nenes, A., Novelli, P. C., Nowak, J. B., Ogren, J. A., Peischl, J., Pierce, R. B., Pilewskie, P., Quinn, P. K., Ryerson, T. B., Schmidt, K. S., Schwarz, J. P., Sodemann, H., Spackman, J. R., Stark, H., Thomson, D. S., Thornberry, T., Veres, P., Watts, L. A., Warneke, C., Wollny, A. G.

“…We present an overview of the background, scientific goals, and execution of the Aerosol, Radiation, and Cloud Processes affecting Arctic Climate (ARCPAC)…”
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Hygroscopicity and composition of California CCN during summer 2010 by Moore, R. H., Cerully, K., Bahreini, R., Brock, C. A., Middlebrook, A. M., Nenes, A.

“…We present an overview and analysis of cloud condensation nuclei (CCN) sampled in California by a NOAA WP‐3D aircraft during the 2010 CalNex project. Four…”
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Broadband measurements of aerosol extinction in the ultraviolet spectral region by Washenfelder, R. A, Flores, J. M, Brock, C. A, Brown, S. S, Rudich, Y

“…Aerosols influence the Earth's radiative budget by scattering and absorbing incoming solar radiation. The optical properties of aerosols vary as a function of…”
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Variability in Nocturnal Nitrogen Oxide Processing and Its Role in Regional Air Quality by Brown, S. S, Ryerson, T. B, Wollny, A. G, Brock, C. A, Peltier, R, Sullivan, A. P, Weber, R. J, Dube, W. P, Trainer, M, Meagher, J. F, Fehsenfeld, F. C, Ravishankara, A. R

“…Nitrogen oxides in the lower troposphere catalyze the photochemical production of ozone (O₃) pollution during the day but react to form nitric acid, oxidize…”
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Atmospheric emissions from the Deepwater Horizon spill constrain air-water partitioning, hydrocarbon fate, and leak rate by Ryerson, T. B., Aikin, K. C., Angevine, W. M., Atlas, E. L., Blake, D. R., Brock, C. A., Fehsenfeld, F. C., Gao, R.-S., de Gouw, J. A., Fahey, D. W., Holloway, J. S., Lack, D. A., Lueb, R. A., Meinardi, S., Middlebrook, A. M., Murphy, D. M., Neuman, J. A., Nowak, J. B., Parrish, D. D., Peischl, J., Perring, A. E., Pollack, I. B., Ravishankara, A. R., Roberts, J. M., Schwarz, J. P., Spackman, J. R., Stark, H., Warneke, C., Watts, L. A.

“…The fate of deepwater releases of gas and oil mixtures is initially determined by solubility and volatility of individual hydrocarbon species; these attributes…”
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Hygroscopicity and composition of Alaskan Arctic CCN during April 2008 by Moore, R. H., Bahreini, R., Brock, C. A., Froyd, K. D., Cozic, J., Holloway, J. S., Middlebrook, A. M., Murphy, D. M., Nenes, A.

“…We present a comprehensive characterization of cloud condensation nuclei (CCN) sampled in the Alaskan Arctic during the 2008 Aerosol, Radiation, and Cloud…”
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Nucleation and growth of sulfate aerosol in coal-fired power plant plumes: sensitivity to background aerosol and meteorology by Stevens, R. G, Pierce, J. R, Brock, C. A, Reed, M. K, Crawford, J. H, Holloway, J. S, Ryerson, T. B, Huey, L. G, Nowak, J. B

“…New-particle formation in the plumes of coal-fired power plants and other anthropogenic sulfur sources may be an important source of particles in the…”
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Volatile organic compounds composition of merged and aged forest fire plumes from Alaska and western Canada by de Gouw, J. A., Warneke, C., Stohl, A., Wollny, A. G., Brock, C. A., Cooper, O. R., Holloway, J. S., Trainer, M., Fehsenfeld, F. C., Atlas, E. L., Donnelly, S. G., Stroud, V., Lueb, A.

“…The NOAA WP‐3 aircraft intercepted aged forest fire plumes from Alaska and western Canada during several flights of the NEAQS‐ITCT 2k4 mission in 2004…”
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Airborne observations of ammonia and ammonium nitrate formation over Houston, Texas by Nowak, J. B., Neuman, J. A., Bahreini, R., Brock, C. A., Middlebrook, A. M., Wollny, A. G., Holloway, J. S., Peischl, J., Ryerson, T. B., Fehsenfeld, F. C.

“…Anthropogenic emissions of NOx (nitric oxide (NO) + nitrogen dioxide (NO2)), which in sunlight can be oxidized to form nitric acid (HNO3), can react with…”
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The 2010 California Research at the Nexus of Air Quality and Climate Change (CalNex) field study by Ryerson, T. B., Andrews, A. E., Angevine, W. M., Bates, T. S., Brock, C. A., Cairns, B., Cohen, R. C., Cooper, O. R., de Gouw, J. A., Fehsenfeld, F. C., Ferrare, R. A., Fischer, M. L., Flagan, R. C., Goldstein, A. H., Hair, J. W., Hardesty, R. M., Hostetler, C. A., Jimenez, J. L., Langford, A. O., McCauley, E., McKeen, S. A., Molina, L. T., Nenes, A., Oltmans, S. J., Parrish, D. D., Pederson, J. R., Pierce, R. B., Prather, K., Quinn, P. K., Seinfeld, J. H., Senff, C. J., Sorooshian, A., Stutz, J., Surratt, J. D., Trainer, M., Volkamer, R., Williams, E. J., Wofsy, S. C.

“…The California Research at the Nexus of Air Quality and Climate Change (CalNex) field study was conducted throughout California in May, June, and July of 2010…”
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Airborne measurements of carbonaceous aerosol soluble in water over northeastern United States: Method development and an investigation into water-soluble organic carbon sources by Sullivan, A. P., Peltier, R. E., Brock, C. A., de Gouw, J. A., Holloway, J. S., Warneke, C., Wollny, A. G., Weber, R. J.

“…A particle‐into‐liquid sampler (PILS) was coupled to a total organic carbon (TOC) analyzer for 3 s integrated measurements of water‐soluble organic carbon…”
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Sources of particulate matter in the northeastern United States in summer: 1. Direct emissions and secondary formation of organic matter in urban plumes by de Gouw, J. A., Brock, C. A., Atlas, E. L., Bates, T. S., Fehsenfeld, F. C., Goldan, P. D., Holloway, J. S., Kuster, W. C., Lerner, B. M., Matthew, B. M., Middlebrook, A. M., Onasch, T. B., Peltier, R. E., Quinn, P. K., Senff, C. J., Stohl, A., Sullivan, A. P., Trainer, M., Warneke, C., Weber, R. J., Williams, E. J.

“…Ship and aircraft measurements of aerosol organic matter (OM) and water‐soluble organic carbon (WSOC) were made in fresh and aged pollution plumes from major…”
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The effect of coal-fired power-plant SO2 and NOx control technologies on aerosol nucleation in the source plumes by Lonsdale, C R, Stevens, R G, Brock, C A, Makar, P A, Knipping, E M, Pierce, J R

“…Nucleation in coal-fired power-plant plumes can greatly contribute to particle number concentrations near source regions. The changing emissions rates of SO2…”
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