Výsledky vyhledávání - "Adam T. Ahern"

Angularly-resolved measurements of light scattering by smoke from wildfires during FIREX-AQ

Autor: Adam T. Ahern, Nicholas L. Wagner, Charles A. Brock, Ming Lyu, Richard H. Moore, Elizabeth B. Wiggins, Edward L. Winstead, Claire E. Robinson, Daniel M. Murphy

The open burning of biomass fuels is an important source of aerosols because they contribute significantly to the pre-industrial radiative forcing budget and they are a large source of aerosol in the modern era that is anticipated to increase due to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e0e88aced49070e4840e2386a3937c2
https://doi.org/10.5194/egusphere-egu22-3116

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Laser imaging nephelometer for aircraft deployment

Autor: Charles A. Brock, Adam T. Ahern, Richard H. Moore, Kyra Slovacek, E. B. Wiggins, Nicholas L. Wagner, Daniel M. Murphy, Ming Lyu, Frank Erdesz

Validation of remote sensing retrievals of aerosol microphysical and optical properties requires in situ measurements of the same properties. We present here an improved imaging nephelometer for measuring the directionality and polarization of light

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76b6b55749603adc822d4e4f276956b8
https://amt.copernicus.org/articles/15/1093/2022/

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Production of Secondary Organic Aerosol During Aging of Biomass Burning Smoke From Fresh Fuels and Its Relationship to VOC Precursors

Autor: Rawad Saleh, Neil M. Donahue, Daniel S. Tkacik, Ryan C. Sullivan, Lindsay E. Hatch, Chelsea E. Stockwell, Allen L. Robinson, Ellis S. Robinson, Adam T. Ahern, Robert J. Yokelson, Albert A. Presto, Kelley C. Barsanti

Publikováno v: Journal of Geophysical Research: Atmospheres. 124:3583-3606

Author(s): Ahern, A. T; Robinson, E. S; Tkacik, D. S; Saleh, R.; Hatch, L. E; Barsanti, K. C; Stockwell, C. E; Yokelson, R. J; Presto, A. A; Robinson, A. L; Sullivan, R. C; Donahue, N. M

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b7b39c8163c89598c077e2a773e846a
https://doi.org/10.1029/2018jd029068

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Mass accommodation coefficients of fresh and aged biomass-burning emissions

Autor: Allen L. Robinson, Ryan C. Sullivan, Adam T. Ahern, Daniel S. Tkacik, Ellis S. Robinson, Albert A. Presto, Neil M. Donahue, Aditya Sinha, Rawad Saleh

Publikováno v: Aerosol Science and Technology. 52:300-309

Most chemical transport models treat the partitioning of semi-volatile organic compounds (SVOCs) with the assumption of instantaneous thermodynamic equilibrium. However, the mass accommodation coefficients, α, of biomass-burning organic aerosol (BBO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c166b39e9b221ef21af55e12bdc19e95
https://doi.org/10.1080/02786826.2017.1413488

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Production of N2O5 and ClNO2 through Nocturnal Processing of Biomass-Burning Aerosol

Autor: Ryan C. Sullivan, Joel A. Thornton, Adam T. Ahern, Lydia G. Jahl, Lexie Goldberger

Publikováno v: Environmental Science & Technology. 52:550-559

Biomass burning is a source of both particulate chloride and nitrogen oxides, two important precursors for the formation of nitryl chloride (ClNO2), a source of atmospheric oxidants that is poorly prescribed in atmospheric models. We investigated the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f710f2a23bcf11600e2f629658c8b948
https://doi.org/10.1021/acs.est.7b04386

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A dual‐chamber method for quantifying the effects of atmospheric perturbations on secondary organic aerosol formation from biomass burning emissions

Autor: Allen L. Robinson, Robert J. Yokelson, Donald R. Blake, Ryan C. Sullivan, Albert A. Presto, Patrick R. Veres, Rawad Saleh, Ellis S. Robinson, Daniel S. Tkacik, Isobel J. Simpson, Adam T. Ahern, Chelsea E. Stockwell, Simone Meinardi, Neil M. Donahue

Publikováno v: Journal of Geophysical Research: Atmospheres. 122:6043-6058

Biomass burning (BB) is a major source of atmospheric pollutants. Field and laboratory studies indicate that secondary organic aerosol (SOA) formation from BB emissions is highly variable. We investigated sources of this variability using a novel dua

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88d924d290332c56a6017d685750e163
https://doi.org/10.1002/2016jd025784

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Evaporation rate of particles in the vaporizer of the Aerodyne aerosol mass spectrometer

Autor: Ellis S. Robinson, Adam T. Ahern, Neil M. Donahue, Rawad Saleh

Publikováno v: Aerosol Science and Technology. 51:501-508

We present calculations for evaporation rates of particles collected on the vaporizer of the Aerodyne aerosol mass spectrometer (AMS). These calculations provide insight on certain observed phenomena associated with the size-resolved mass spectrum (M

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3f322ec9c6a0e4ce5487fe1d520ad86
https://doi.org/10.1080/02786826.2016.1271109

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