Zobrazeno 1 - 10
of 402
pro vyhledávání: '"K. Sekimoto"'
Autor:
G. I. Gkatzelis, M. M. Coggon, C. E. Stockwell, R. S. Hornbrook, H. Allen, E. C. Apel, M. M. Bela, D. R. Blake, I. Bourgeois, S. S. Brown, P. Campuzano-Jost, J. M. St. Clair, J. H. Crawford, J. D. Crounse, D. A. Day, J. P. DiGangi, G. S. Diskin, A. Fried, J. B. Gilman, H. Guo, J. W. Hair, H. S. Halliday, T. F. Hanisco, R. Hannun, A. Hills, L. G. Huey, J. L. Jimenez, J. M. Katich, A. Lamplugh, Y. R. Lee, J. Liao, J. Lindaas, S. A. McKeen, T. Mikoviny, B. A. Nault, J. A. Neuman, J. B. Nowak, D. Pagonis, J. Peischl, A. E. Perring, F. Piel, P. S. Rickly, M. A. Robinson, A. W. Rollins, T. B. Ryerson, M. K. Schueneman, R. H. Schwantes, J. P. Schwarz, K. Sekimoto, V. Selimovic, T. Shingler, D. J. Tanner, L. Tomsche, K. T. Vasquez, P. R. Veres, R. Washenfelder, P. Weibring, P. O. Wennberg, A. Wisthaler, G. M. Wolfe, C. C. Womack, L. Xu, K. Ball, R. J. Yokelson, C. Warneke
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 929-956 (2024)
Extensive airborne measurements of non-methane organic gases (NMOGs), methane, nitrogen oxides, reduced nitrogen species, and aerosol emissions from US wild and prescribed fires were conducted during the 2019 NOAA/NASA Fire Influence on Regional to G
Externí odkaz:
https://doaj.org/article/61e617bdf6914661ade67d9b6c2b36f6
Autor:
K. J. Nihill, M. M. Coggon, C. Y. Lim, A. R. Koss, B. Yuan, J. E. Krechmer, K. Sekimoto, J. L. Jimenez, J. de Gouw, C. D. Cappa, C. L. Heald, C. Warneke, J. H. Kroll
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 7887-7899 (2023)
Biomass burning (BB) is a major source of reactive organic carbon into the atmosphere. Once in the atmosphere, these organic BB emissions, in both the gas and particle phases, are subject to atmospheric oxidation, though the nature and impact of the
Externí odkaz:
https://doaj.org/article/5f659e32812b48c48fe8138823ab224e
Autor:
J. Liao, G. M. Wolfe, R. A. Hannun, J. M. St. Clair, T. F. Hanisco, J. B. Gilman, A. Lamplugh, V. Selimovic, G. S. Diskin, J. B. Nowak, H. S. Halliday, J. P. DiGangi, S. R. Hall, K. Ullmann, C. D. Holmes, C. H. Fite, A. Agastra, T. B. Ryerson, J. Peischl, I. Bourgeois, C. Warneke, M. M. Coggon, G. I. Gkatzelis, K. Sekimoto, A. Fried, D. Richter, P. Weibring, E. C. Apel, R. S. Hornbrook, S. S. Brown, C. C. Womack, M. A. Robinson, R. A. Washenfelder, P. R. Veres, J. A. Neuman
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 18319-18331 (2021)
Formaldehyde (HCHO) is one of the most abundant non-methane volatile organic compounds (VOCs) emitted by fires. HCHO also undergoes chemical production and loss as a fire plume ages, and it can be an important oxidant precursor. In this study, we dis
Externí odkaz:
https://doaj.org/article/f0100f93a68040c580d00c68c21934e1
Autor:
Z. C. J. Decker, M. A. Robinson, K. C. Barsanti, I. Bourgeois, M. M. Coggon, J. P. DiGangi, G. S. Diskin, F. M. Flocke, A. Franchin, C. D. Fredrickson, G. I. Gkatzelis, S. R. Hall, H. Halliday, C. D. Holmes, L. G. Huey, Y. R. Lee, J. Lindaas, A. M. Middlebrook, D. D. Montzka, R. Moore, J. A. Neuman, J. B. Nowak, B. B. Palm, J. Peischl, F. Piel, P. S. Rickly, A. W. Rollins, T. B. Ryerson, R. H. Schwantes, K. Sekimoto, L. Thornhill, J. A. Thornton, G. S. Tyndall, K. Ullmann, P. Van Rooy, P. R. Veres, C. Warneke, R. A. Washenfelder, A. J. Weinheimer, E. Wiggins, E. Winstead, A. Wisthaler, C. Womack, S. S. Brown
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 16293-16317 (2021)
Wildfires are increasing in size across the western US, leading to increases in human smoke exposure and associated negative health impacts. The impact of biomass burning (BB) smoke, including wildfires, on regional air quality depends on emissions,
Externí odkaz:
https://doaj.org/article/02f70af05f9e4872ba632c70b6749087
Autor:
C. D. Cappa, C. Y. Lim, D. H. Hagan, M. Coggon, A. Koss, K. Sekimoto, J. de Gouw, T. B. Onasch, C. Warneke, J. H. Kroll
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 8511-8532 (2020)
Particles in smoke emitted from biomass combustion have a large impact on global climate and urban air quality. There is limited understanding of how particle optical properties – especially the contributions of black carbon (BC) and brown carbon (
Externí odkaz:
https://doaj.org/article/2e1965a43a0d43bb8c10459c5b39ba18
Autor:
J. M. Roberts, C. E. Stockwell, R. J. Yokelson, J. de Gouw, Y. Liu, V. Selimovic, A. R. Koss, K. Sekimoto, M. M. Coggon, B. Yuan, K. J. Zarzana, S. S. Brown, C. Santin, S. H. Doerr, C. Warneke
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 8807-8826 (2020)
Reactive nitrogen (Nr, defined as all nitrogen-containing compounds except for N2 and N2O) is one of the most important classes of compounds emitted from wildfire, as Nr impacts both atmospheric oxidation processes and particle formation chemistry. I
Externí odkaz:
https://doaj.org/article/4b5115ce048640d196a7b170e1c7a804
Publikováno v:
Proceedings of the International Association of Hydrological Sciences, Vol 382, Pp 231-235 (2020)
Agricultural land use on peatlands inevitably causes ongoing land surface subsidence resulting in a reduction of productivity. In addition, oxidation of the peat substrate associated with subsidence is responsible for greenhouse gas emission with the
Externí odkaz:
https://doaj.org/article/8feab1b61f9245e78caa8a02ab6030eb
Autor:
M. M. Coggon, C. Y. Lim, A. R. Koss, K. Sekimoto, B. Yuan, J. B. Gilman, D. H. Hagan, V. Selimovic, K. J. Zarzana, S. S. Brown, J. M. Roberts, M. Müller, R. Yokelson, A. Wisthaler, J. E. Krechmer, J. L. Jimenez, C. Cappa, J. H. Kroll, J. de Gouw, C. Warneke
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 14875-14899 (2019)
Chamber oxidation experiments conducted at the Fire Sciences Laboratory in 2016 are evaluated to identify important chemical processes contributing to the hydroxy radical (OH) chemistry of biomass burning non-methane organic gases (NMOGs). Based on t
Externí odkaz:
https://doaj.org/article/d57bf71ece1a46129c61c063239b401d
Autor:
C. Y. Lim, D. H. Hagan, M. M. Coggon, A. R. Koss, K. Sekimoto, J. de Gouw, C. Warneke, C. D. Cappa, J. H. Kroll
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 12797-12809 (2019)
Biomass burning is an important source of aerosol and trace gases to the atmosphere, but how these emissions change chemically during their lifetimes is not fully understood. As part of the Fire Influence on Regional and Global Environments Experimen
Externí odkaz:
https://doaj.org/article/cf3b6e43f1f44242b5639d5ac470db34
Autor:
K. J. Zarzana, V. Selimovic, A. R. Koss, K. Sekimoto, M. M. Coggon, B. Yuan, W. P. Dubé, R. J. Yokelson, C. Warneke, J. A. de Gouw, J. M. Roberts, S. S. Brown
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 15451-15470 (2018)
We report the emissions of glyoxal and methylglyoxal from the open burning of biomass during the NOAA-led 2016 FIREX intensive at the Fire Sciences Laboratory in Missoula, MT. Both compounds were measured using cavity-enhanced spectroscopy, which i
Externí odkaz:
https://doaj.org/article/f562246082ff4322a88b61ce3a2e1983