Search Results - "Shantz, N"

Organic condensation: a vital link connecting aerosol formation to cloud condensation nuclei (CCN) concentrations by Riipinen, I., Pierce, J. R., Yli-Juuti, T., Nieminen, T., Häkkinen, S., Ehn, M., Junninen, H., Lehtipalo, K., Petäjä, T., Slowik, J., Chang, R., Shantz, N. C., Abbatt, J., Leaitch, W. R., Kerminen, V.-M., Worsnop, D. R., Pandis, S. N., Donahue, N. M., Kulmala, M.

“…Atmospheric aerosol particles influence global climate as well as impair air quality through their effects on atmospheric visibility and human health…”
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The hygroscopicity parameter (κ) of ambient organic aerosol at a field site subject to biogenic and anthropogenic influences: relationship to degree of aerosol oxidation by Chang, R. Y.-W., Slowik, J. G., Shantz, N. C., Vlasenko, A., Liggio, J., Sjostedt, S. J., Leaitch, W. R., Abbatt, J. P. D.

“…Cloud condensation nuclei (CCN) concentrations were measured at Egbert, a rural site in Ontario, Canada during the spring of 2007. The CCN concentrations were…”
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Characterization of a large biogenic secondary organic aerosol event from eastern Canadian forests by Slowik, J. G., Stroud, C., Bottenheim, J. W., Brickell, P. C., Chang, R. Y.-W., Liggio, J., Makar, P. A., Martin, R. V., Moran, M. D., Shantz, N. C., Sjostedt, S. J., van Donkelaar, A., Vlasenko, A., Wiebe, H. A., Xia, A. G., Zhang, J., Leaitch, W. R., Abbatt, J. P. D.

“…Measurements of aerosol composition, volatile organic compounds, and CO are used to determine biogenic secondary organic aerosol (SOA) concentrations at a…”
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Cloud albedo increase from carbonaceous aerosol by Leaitch, W. R., Lohmann, U., Russell, L. M., Garrett, T., Shantz, N. C., Toom-Sauntry, D., Strapp, J. W., Hayden, K. L., Marshall, J., Wolde, M., Worsnop, D. R., Jayne, J. T.

“…Airborne measurements from two consecutive days, analysed with the aid of an aerosol-adiabatic cloud parcel model, are used to study the effect of carbonaceous…”
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Optical, physical, and chemical properties of springtime aerosol over Barrow Alaska in 2008 by Shantz, N. C., Gultepe, I., Andrews, E., Zelenyuk, A., Earle, M. E., Macdonald, A. M., Liu, P. S. K., Leaitch, W. R.

“…ABSTRACT Airborne observations from four flights during the 2008 Indirect and Semi‐Direct Aerosol Campaign (ISDAC) are used to examine some cloud‐free optical,…”
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Measurements of VOCs by proton transfer reaction mass spectrometry at a rural Ontario site: Sources and correlation to aerosol composition by Vlasenko, A., Slowik, J. G., Bottenheim, J. W., Brickell, P. C., Chang, R. Y.-W., Macdonald, A. M., Shantz, N. C., Sjostedt, S. J., Wiebe, H. A., Leaitch, W. R., Abbatt, J. P. D.

“…Proton transfer reaction mass spectrometry (PTR‐MS) volatile organic compound (VOC) measurements were made at the Centre for Atmospheric Research Experiments…”
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Slower CCN growth kinetics of anthropogenic aerosol compared to biogenic aerosol observed at a rural site by Shantz, N. C., Chang, R. Y.-W., Slowik, J. G., Vlasenko, A., Abbatt, J. P. D., Leaitch, W. R.

“…Growth rates of water droplets were measured with a static diffusion cloud condensation chamber in May–June 2007 at a rural field site in Southern Ontario,…”
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The effect of organic compounds on the growth rate of cloud droplets in marine and forest settings by Shantz, N. C., Leaitch, W. R., Phinney, L., Mozurkewich, M., Toom-Sauntry, D.

“…Organic matter represents an important fraction of the fine particle aerosol, yet our knowledge of the roles of organics in the activation of aerosol particles…”
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Cloud condensation nuclei droplet growth kinetics of ultrafine particles during anthropogenic nucleation events by Shantz, N.C., Pierce, J.R., Chang, R.Y.-W., Vlasenko, A., Riipinen, I., Sjostedt, S., Slowik, J.G., Wiebe, A., Liggio, J., Abbatt, J.P.D., Leaitch, W.R.

“…Evolution of the cloud condensation nucleus (CCN) activity of 36 ± 4 nm diameter anthropogenic aerosol particles at a water supersaturation of 1.0 ± 0.1% is…”
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Spatial and temporal variability of aerosol particles in Arctic spring by Shantz, N. C., Gultepe, I., Liu, P. S. K., Earle, M. E., Zelenyuk, A.

“…The objective of this work is to investigate the variability in the aerosol particle number concentration in Arctic spring. The Indirect and Semi‐Direct…”
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Evidence for Asian dust effects from aerosol plume measurements during INTEX-B 2006 near Whistler, BC by Leaitch, W. R., Macdonald, A. M., Anlauf, K. G., Liu, P. S. K., Toom-Sauntry, D., Li, S.-M., Liggio, J., Hayden, K., Wasey, M. A., Russell, L. M., Takahama, S., Liu, S., van Donkelaar, A., Duck, T., Martin, R. V., Zhang, Q., Sun, Y., McKendry, I., Shantz, N. C., Cubison, M.

“…Several cases of aerosol plumes resulting from trans-Pacific transport were observed between 2 km and 5.3 km at Whistler, BC from 22 April 2006 to 15 May 2006…”
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Contributions from DMS and ship emissions to CCN observed over the summertime North Pacific by Langley, L., Leaitch, W. R., Lohmann, U., Shantz, N. C., Worsnop, D. R.

“…Measurements of cloud condensation nuclei (CCN) made over the North Pacific Ocean in July 2002 are analysed with concurrent measurements of aerosol number,…”
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Effect of organics of low solubility on the growth rate of cloud droplets by Shantz, Nicole C., Leaitch, W. Richard, Caffrey, Peter F.

“…Organic aerosols represent an important fraction of the fine particle aerosol, yet little is known about the role that these particles play in the indirect…”
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Laboratory studies of the efficiency of selected organic aerosols as CCN by Hegg, D.A, Gao, S, Hoppel, W, Frick, G, Caffrey, P, Leaitch, W.R, Shantz, N, Ambrusko, J, Albrechcinski, T

“…Experiments were conducted in the large (600 m 3) expansion chamber of the Calspan Corporation to test the efficiency of selected organic aerosols as cloud…”
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How efficient is cloud droplet formation of organic aerosols? by Lohmann, Ulrike, Broekhuizen, Keith, Leaitch, Richard, Shantz, Nicole, Abbatt, Jonathan

“…Based on laboratory findings that small amounts of a soluble aerosol, such as ammonium sulfate (AS), drastically decrease the activation diameter of moderately…”
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Myocarditis and abortion associated with intrauterine infection of sows with porcine circovirus 2 by West, KH, Bystrom, JM, Wojnarowicz, C, Shantz, N, Jacobson, M, Allan, GM, Haines, DM, Clark, EG, Krakowka, S, McNeilly, F, Konoby, C, Martin, K, Ellis, JA

“…Prairie Diagnostic Service, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4, Canada…”
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Particle formation and growth from ozonolysis of α-pinene by Hoppel, William, Fitzgerald, James, Frick, Glendon, Caffrey, Peter, Pasternack, Louise, Hegg, Dean, Gao, Song, Leaitch, Richard, Shantz, Nicole, Cantrell, Christopher, Albrechcinski, Thomas, Ambrusko, John, Sullivan, William

“…Observations of particle nucleation and growth during ozonolysis of α‐pinene were carried out in Calspan's 600 m3 environmental chamber utilizing relatively…”
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In-cloud oxidation of SO2 by O3 and H2O2 - Cloud chamber measurements and modeling of particle growth by Caffrey, P, Hoppel, W, Frick, G, Pasternack, L, Fitzgerald, J, Hegg, D, Gao, S, Laeitch, R, Shantz, N, Albrechcinski, T

“…Controlled cloud chamber experiments were conducted to measure particle growth resulting from the oxidation of SO2 by O3 and H2O2 in cloud droplets formed on…”
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Chamber measurements of Cl depletion in cloud-processed sea-salt aerosol by Caffrey, P, Hoppel, W, Frick, G, Fitzgerald, J, Shantz, N, Leaitch, W R, Pasternack, L, Albrechcinski, T, Ambrusko, J

“…Cl(-) depletion in sea-salt CCN was measured in chamber experiments after cloud formation in the presence of SO2 and O3. In each experiment, two successive…”
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Particle formation and growth from ozonolysis of alpha-pinene by Hoppel, W, Fitzgerald, J, Frick, G, Caffrey, P, Pasternack, L, Hegg, D, Gao, S, Leaitch, R, Shantz, N, Cantrell, C

“…Observations of particle nucleation and growth during ozonolysis of alpha-pinene were carried out in Calspan's 600 cu m environmental chamber utilizing…”
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