Zobrazeno 1 - 10
of 1 798
pro vyhledávání: '"J. F. Hamilton"'
Autor:
B. S. Nelson, Z. Liu, F. A. Squires, M. Shaw, J. R. Hopkins, J. F. Hamilton, A. R. Rickard, A. C. Lewis, Z. Shi, J. D. Lee
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 9031-9044 (2024)
In recent years, clean air policies have led to reductions in air pollution across China. Alongside this, emerging carbon neutrality (CN) policies that aim to address the impacts of climate change may also deliver air quality (AQ) co-benefits or clim
Externí odkaz:
https://doaj.org/article/cdd6f7d6d6e44b3b8e2c1f8f16eb22b8
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 8473-8485 (2023)
Organonitrates are important species in the atmosphere due to their impacts on NOx, HOx, and O3 budgets, and their potential to contribute to secondary organic aerosol (SOA) mass. This work presents a steady-state modelling approach to assess the imp
Externí odkaz:
https://doaj.org/article/afb774ca09f54c49b2c8db6af952aa53
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:
D. J. Bryant, B. S. Nelson, S. J. Swift, S. H. Budisulistiorini, W. S. Drysdale, A. R. Vaughan, M. J. Newland, J. R. Hopkins, J. M. Cash, B. Langford, E. Nemitz, W. J. F. Acton, C. N. Hewitt, T. Mandal, B. R. Gurjar, Shivani, R. Gadi, J. D. Lee, A. R. Rickard, J. F. Hamilton
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 61-83 (2023)
Isoprene and monoterpene emissions to the atmosphere are generally dominated by biogenic sources. The oxidation of these compounds can lead to the production of secondary organic aerosol; however the impact of this chemistry in polluted urban setting
Externí odkaz:
https://doaj.org/article/a15d4bf50100412eb39a44b503d4d1d9
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:
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:
B. S. Nelson, G. J. Stewart, W. S. Drysdale, M. J. Newland, A. R. Vaughan, R. E. Dunmore, P. M. Edwards, A. C. Lewis, J. F. Hamilton, W. J. Acton, C. N. Hewitt, L. R. Crilley, M. S. Alam, Ü. A. Şahin, D. C. S. Beddows, W. J. Bloss, E. Slater, L. K. Whalley, D. E. Heard, J. M. Cash, B. Langford, E. Nemitz, R. Sommariva, S. Cox, Shivani, R. Gadi, B. R. Gurjar, J. R. Hopkins, A. R. Rickard, J. D. Lee
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 13609-13630 (2021)
The Indian megacity of Delhi suffers from some of the poorest air quality in the world. While ambient NO2 and particulate matter (PM) concentrations have received considerable attention in the city, high ground-level ozone (O3) concentrations are an
Externí odkaz:
https://doaj.org/article/8455a455283641c394dc4dbf6618bd0a
Autor:
B. A. Nault, D. S. Jo, B. C. McDonald, P. Campuzano-Jost, D. A. Day, W. Hu, J. C. Schroder, J. Allan, D. R. Blake, M. R. Canagaratna, H. Coe, M. M. Coggon, P. F. DeCarlo, G. S. Diskin, R. Dunmore, F. Flocke, A. Fried, J. B. Gilman, G. Gkatzelis, J. F. Hamilton, T. F. Hanisco, P. L. Hayes, D. K. Henze, A. Hodzic, J. Hopkins, M. Hu, L. G. Huey, B. T. Jobson, W. C. Kuster, A. Lewis, M. Li, J. Liao, M. O. Nawaz, I. B. Pollack, J. Peischl, B. Rappenglück, C. E. Reeves, D. Richter, J. M. Roberts, T. B. Ryerson, M. Shao, J. M. Sommers, J. Walega, C. Warneke, P. Weibring, G. M. Wolfe, D. E. Young, B. Yuan, Q. Zhang, J. A. de Gouw, J. L. Jimenez
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 11201-11224 (2021)
Anthropogenic secondary organic aerosol (ASOA), formed from anthropogenic emissions of organic compounds, constitutes a substantial fraction of the mass of submicron aerosol in populated areas around the world and contributes to poor air quality and
Externí odkaz:
https://doaj.org/article/953f35d7db4b44a199ec9afe12ceeb91
Autor:
M. J. Newland, D. J. Bryant, R. E. Dunmore, T. J. Bannan, W. J. F. Acton, B. Langford, J. R. Hopkins, F. A. Squires, W. Dixon, W. S. Drysdale, P. D. Ivatt, M. J. Evans, P. M. Edwards, L. K. Whalley, D. E. Heard, E. J. Slater, R. Woodward-Massey, C. Ye, A. Mehra, S. D. Worrall, A. Bacak, H. Coe, C. J. Percival, C. N. Hewitt, J. D. Lee, T. Cui, J. D. Surratt, X. Wang, A. C. Lewis, A. R. Rickard, J. F. Hamilton
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 1613-1625 (2021)
The impact of emissions of volatile organic compounds (VOCs) to the atmosphere on the production of secondary pollutants, such as ozone and secondary organic aerosol (SOA), is mediated by the concentration of nitric oxide (NO). Polluted urban atmosph
Externí odkaz:
https://doaj.org/article/b9fb4394f93a4de1940b1eb184c07c30