Zobrazeno 1 - 10
of 41
pro vyhledávání: '"T. J. Bannan"'
Autor:
Y. Baker, S. Kang, H. Wang, R. Wu, J. Xu, A. Zanders, Q. He, T. Hohaus, T. Ziehm, V. Geretti, T. J. Bannan, S. P. O'Meara, A. Voliotis, M. Hallquist, G. McFiggans, S. R. Zorn, A. Wahner, T. F. Mentel
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 4789-4807 (2024)
Highly oxygenated molecules (HOMs) from the atmospheric oxidation of biogenic volatile organic compounds are important contributors to secondary organic aerosol (SOA). Organic peroxy radicals (RO2) and hydroperoxy radicals (HO2) are key species influ
Externí odkaz:
https://doaj.org/article/38c10c56fe0b454e90f5d66ade7eb7d6
Autor:
J. E. Dyson, L. K. Whalley, E. J. Slater, R. Woodward-Massey, C. Ye, J. D. Lee, F. Squires, J. R. Hopkins, R. E. Dunmore, M. Shaw, J. F. Hamilton, A. C. Lewis, S. D. Worrall, A. Bacak, A. Mehra, T. J. Bannan, H. Coe, C. J. Percival, B. Ouyang, C. N. Hewitt, R. L. Jones, L. R. Crilley, L. J. Kramer, W. J. F. Acton, W. J. Bloss, S. Saksakulkrai, J. Xu, Z. Shi, R. M. Harrison, S. Kotthaus, S. Grimmond, Y. Sun, W. Xu, S. Yue, L. Wei, P. Fu, X. Wang, S. R. Arnold, D. E. Heard
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 5679-5697 (2023)
The impact of heterogeneous uptake of HO2 on aerosol surfaces on radical concentrations and the O3 production regime in Beijing in summertime was investigated. The uptake coefficient of HO2 onto aerosol surfaces, γHO2, was calculated for the AIRPRO
Externí odkaz:
https://doaj.org/article/81944c073cea42969e79a063ef590b28
Autor:
A. W. Mayhew, B. H. Lee, J. A. Thornton, T. J. Bannan, J. Brean, J. R. Hopkins, J. D. Lee, B. S. Nelson, C. Percival, A. R. Rickard, M. D. Shaw, P. M. Edwards, J. F. Hamilton
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 14783-14798 (2022)
Isoprene nitrates are important chemical species in the atmosphere which contribute to the chemical cycles that form ozone and secondary organic aerosol (SOA) with implications for climate and air quality. Accurate chemical mechanisms are important f
Externí odkaz:
https://doaj.org/article/6d34dd00a11d418b9c2599734a7e669c
Autor:
A. Voliotis, M. Du, Y. Wang, Y. Shao, M. R. Alfarra, T. J. Bannan, D. Hu, K. L. Pereira, J. F. Hamilton, M. Hallquist, T. F. Mentel, G. McFiggans
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 14147-14175 (2022)
A comprehensive chamber investigation of photochemical secondary organic aerosol (SOA) formation and transformation in mixtures of anthropogenic (o-cresol) and biogenic (α-pinene and isoprene) volatile organic compound (VOC) precursors in the presen
Externí odkaz:
https://doaj.org/article/939232b4aa804455b724f8b5f3f28e28
Autor:
A. Voliotis, M. Du, Y. Wang, Y. Shao, T. J. Bannan, M. Flynn, S. N. Pandis, C. J. Percival, M. R. Alfarra, G. McFiggans
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 13677-13693 (2022)
In this study, we investigate the influence of isoprene on the volatility of secondary organic aerosol (SOA) formed during the photo-oxidation of mixtures of anthropogenic and biogenic precursors. The SOA particle volatility was quantified using two
Externí odkaz:
https://doaj.org/article/8d50066e815646c7bb55060e1b5e64e1
Autor:
M. Du, A. Voliotis, Y. Shao, Y. Wang, T. J. Bannan, K. L. Pereira, J. F. Hamilton, C. J. Percival, M. R. Alfarra, G. McFiggans
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 4385-4406 (2022)
A combination of online and offline mass spectrometric techniques was used to characterize the chemical composition of secondary organic aerosol (SOA) generated from the photooxidation of α-pinene in an atmospheric simulation chamber. The filter inl
Externí odkaz:
https://doaj.org/article/b5e7d3e39344454b934a7cacd2a033d5
Autor:
S. Diez, S. E. Lacy, T. J. Bannan, M. Flynn, T. Gardiner, D. Harrison, N. Marsden, N. A. Martin, K. Read, P. M. Edwards
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 4091-4105 (2022)
When making measurements of air quality, having a reliable estimate of the measurement uncertainty is key to assessing the information content that an instrument is capable of providing, and thus its usefulness in a particular application. This is es
Externí odkaz:
https://doaj.org/article/546b1268b5d34ca6b6e53487d62f22e6
Autor:
X. Wang, D. J. Jacob, W. Downs, S. Zhai, L. Zhu, V. Shah, C. D. Holmes, T. Sherwen, B. Alexander, M. J. Evans, S. D. Eastham, J. A. Neuman, P. R. Veres, T. K. Koenig, R. Volkamer, L. G. Huey, T. J. Bannan, C. J. Percival, B. H. Lee, J. A. Thornton
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 13973-13996 (2021)
We present an updated mechanism for tropospheric halogen (Cl + Br + I) chemistry in the GEOS-Chem global atmospheric chemical transport model and apply it to investigate halogen radical cycling and implications for tropospheric oxidants. Improved rep
Externí odkaz:
https://doaj.org/article/16ef8cc9be854ba8b1a053ec2295f214
Autor:
A. Voliotis, Y. Wang, Y. Shao, M. Du, T. J. Bannan, C. J. Percival, S. N. Pandis, M. R. Alfarra, G. McFiggans
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 14251-14273 (2021)
Secondary organic aerosol (SOA) formation from mixtures of volatile precursors may be influenced by the molecular interactions of the components of the mixture. Here, we report measurements of the volatility distribution of SOA formed from the photo-
Externí odkaz:
https://doaj.org/article/a2cd4a2361a4467f8fd4fd0539043d18
Autor:
J. Weber, S. Archer-Nicholls, N. L. Abraham, Y. M. Shin, T. J. Bannan, C. J. Percival, A. Bacak, P. Artaxo, M. Jenkin, M. A. H. Khan, D. E. Shallcross, R. H. Schwantes, J. Williams, A. T. Archibald
Publikováno v:
Geoscientific Model Development, Vol 14, Pp 5239-5268 (2021)
We present the first incorporation of the Common Representative Intermediates version 2.2 tropospheric chemistry mechanism, CRI v2.2, combined with stratospheric chemistry, into the global chemistry–climate United Kingdom Chemistry and Aerosols (UK
Externí odkaz:
https://doaj.org/article/432ea6951b724bfba6fb4c9a6d1c8a0a