Výsledky vyhledávání - "E. M. Knipping"

Akademický článek

Seasonal characterization of submicron aerosol chemical composition and organic aerosol sources in the southeastern United States: Atlanta, Georgia,and Look Rock, Tennessee

Autor: S. H. Budisulistiorini, K. Baumann, E. S. Edgerton, S. T. Bairai, S. Mueller, S. L. Shaw, E. M. Knipping, A. Gold, J. D. Surratt

Publikováno v: Atmospheric Chemistry and Physics, Vol 16, Pp 5171-5189 (2016)

A year-long near-real-time characterization of non-refractory submicron aerosol (NR-PM1) was conducted at an urban (Atlanta, Georgia, in 2012) and rural (Look Rock, Tennessee, in 2013) site in the southeastern US using the Aerodyne Aerosol Chemica

Externí odkaz: https://doaj.org/article/06a3cc84647b4c268587b9ce2386ac62

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Akademický článek

Intercomparison of an Aerosol Chemical Speciation Monitor (ACSM) with ambient fine aerosol measurements in downtown Atlanta, Georgia

Autor: S. H. Budisulistiorini, M. R. Canagaratna, P. L. Croteau, K. Baumann, E. S. Edgerton, M. S. Kollman, N. L. Ng, V. Verma, S. L. Shaw, E. M. Knipping, D. R. Worsnop, J. T. Jayne, R.J. Weber, J. D. Surratt

Publikováno v: Atmospheric Measurement Techniques, Vol 7, Iss 7, Pp 1929-1941 (2014)

Currently, there are a limited number of field studies that evaluate the long-term performance of the Aerodyne Aerosol Chemical Speciation Monitor (ACSM) against established monitoring networks. In this study, we present seasonal intercomparisons of

Externí odkaz: https://doaj.org/article/4d9b156d79fc42a7a459c2f9254b33b1

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Akademický článek

Investigating the influences of SO2 and NH3 levels on isoprene-derived secondary organic aerosol formation using conditional sampling approaches

Autor: Y.-H. Lin, E. M. Knipping, E. S. Edgerton, S. L. Shaw, J. D. Surratt

Publikováno v: Atmospheric Chemistry and Physics, Vol 13, Iss 16, Pp 8457-8470 (2013)

Filter-based PM2.5 samples were chemically analyzed to investigate secondary organic aerosol (SOA) formation from isoprene in a rural atmosphere of the southeastern US influenced by both anthropogenic sulfur dioxide (SO2) and ammonia (NH3) emissions.

Externí odkaz: https://doaj.org/article/5dbf4afe3fb14218a1cdd7f7cea46e71

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Akademický článek

The effect of coal-fired power-plant SO2 and NOx control technologies on aerosol nucleation in the source plumes

Autor: E. M. Knipping, P. A. Makar, C. A. Brock, R. G. Stevens, C. R. Lonsdale, J. R. Pierce

Publikováno v: Atmospheric Chemistry and Physics, Vol 12, Iss 23, Pp 11519-11531 (2012)

Nucleation in coal-fired power-plant plumes can greatly contribute to particle number concentrations near source regions. The changing emissions rates of SO2 and NOx due to pollution-control technologies over recent decades may have had a significant

Externí odkaz: https://doaj.org/article/0e44f50bce5c4b5ab5fe4d05a64608ee

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Akademický článek

Nitrogen deposition to the United States: distribution, sources, and processes

Autor: L. Zhang, D. J. Jacob, E. M. Knipping, N. Kumar, J. W. Munger, C. C. Carouge, A. van Donkelaar, Y. X. Wang, D. Chen

Publikováno v: Atmospheric Chemistry and Physics, Vol 12, Iss 10, Pp 4539-4554 (2012)

We simulate nitrogen deposition over the US in 2006–2008 by using the GEOS-Chem global chemical transport model at 1/2°×2/3° horizontal resolution over North America and adjacent oceans. US emissions of NOx and NH3 in the model are 6.7 and 2.9 T

Externí odkaz: https://doaj.org/article/08f378c254804838835a9b9b5afe3c34

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Akademický článek

Influence of aerosol acidity on the chemical composition of secondary organic aerosol from β-caryophyllene

Autor: E. M. Knipping, R. L. Tanner, S. L. Shaw, M. Zheng, M. Jaoui, E. S. Edgerton, T. E. Kleindienst, E. O. Edney, M. Lewandowski, J. H. Offenberg, K. Schilling, A. W. H. Chan, M. N. Chan, J. D. Surratt, J. H. Seinfeld

Publikováno v: Atmospheric Chemistry and Physics, Vol 11, Iss 4, Pp 1735-1751 (2011)

The secondary organic aerosol (SOA) yield of β-caryophyllene photooxidation is enhanced by aerosol acidity. In the present study, the influence of aerosol acidity on the chemical composition of β-caryophyllene SOA is investigated using ultra perfor

Externí odkaz: https://doaj.org/article/3f50cbae5d134eb395cd560517308428

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