Zobrazeno 1 - 10
of 157
pro vyhledávání: '"E. Scheuer"'
Autor:
L. Zeng, J. Dibb, E. Scheuer, J. M. Katich, J. P. Schwarz, I. Bourgeois, J. Peischl, T. Ryerson, C. Warneke, A. E. Perring, G. S. Diskin, J. P. DiGangi, J. B. Nowak, R. H. Moore, E. B. Wiggins, D. Pagonis, H. Guo, P. Campuzano-Jost, J. L. Jimenez, L. Xu, R. J. Weber
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 8009-8036 (2022)
Brown carbon (BrC) associated with aerosol particles in western United States wildfires was measured between July and August 2019 aboard the NASA DC-8 research aircraft during the Fire Influence on Regional to Global Environments and Air Quality (FIR
Externí odkaz:
https://doaj.org/article/c5c354707df748369794d521d6f51f21
Autor:
L. Zeng, A. P. Sullivan, R. A. Washenfelder, J. Dibb, E. Scheuer, T. L. Campos, J. M. Katich, E. Levin, M. A. Robinson, R. J. Weber
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 6357-6378 (2021)
Brown carbon (BrC) consists of particulate organic species that preferentially absorb light at visible and ultraviolet wavelengths. Ambient studies show that as a component of aerosol particles, BrC affects photochemical reaction rates and regional t
Externí odkaz:
https://doaj.org/article/238586161c754018abf149efdd02ecb9
Autor:
C. A. Brock, K. D. Froyd, M. Dollner, C. J. Williamson, G. Schill, D. M. Murphy, N. J. Wagner, A. Kupc, J. L. Jimenez, P. Campuzano-Jost, B. A. Nault, J. C. Schroder, D. A. Day, D. J. Price, B. Weinzierl, J. P. Schwarz, J. M. Katich, S. Wang, L. Zeng, R. Weber, J. Dibb, E. Scheuer, G. S. Diskin, J. P. DiGangi, T. Bui, J. M. Dean-Day, C. R. Thompson, J. Peischl, T. B. Ryerson, I. Bourgeois, B. C. Daube, R. Commane, S. C. Wofsy
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 15023-15063 (2021)
In situ measurements of aerosol microphysical, chemical, and optical properties were made during global-scale flights from 2016–2018 as part of the Atmospheric Tomography Mission (ATom). The NASA DC-8 aircraft flew from ∼ 84∘ N to ∼ 86∘ S l
Externí odkaz:
https://doaj.org/article/b30fdb8716f74ea1840853dee12c509c
Autor:
J. Chai, D. J. Miller, E. Scheuer, J. Dibb, V. Selimovic, R. Yokelson, K. J. Zarzana, S. S. Brown, A. R. Koss, C. Warneke, M. Hastings
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 6303-6317 (2019)
New techniques have recently been developed and applied to capture reactive nitrogen species, including nitrogen oxides (NOx=NO+NO2), nitrous acid (HONO), nitric acid (HNO3), and particulate nitrate (pNO3-), for accurate measurement of their isotopic
Externí odkaz:
https://doaj.org/article/d5fbe841ec8d450fb2fe794e177b9017
Autor:
B. A. Nault, P. Campuzano-Jost, D. A. Day, J. C. Schroder, B. Anderson, A. J. Beyersdorf, D. R. Blake, W. H. Brune, Y. Choi, C. A. Corr, J. A. de Gouw, J. Dibb, J. P. DiGangi, G. S. Diskin, A. Fried, L. G. Huey, M. J. Kim, C. J. Knote, K. D. Lamb, T. Lee, T. Park, S. E. Pusede, E. Scheuer, K. L. Thornhill, J.-H. Woo, J. L. Jimenez
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 17769-17800 (2018)
Organic aerosol (OA) is an important fraction of submicron aerosols. However, it is challenging to predict and attribute the specific organic compounds and sources that lead to observed OA loadings, largely due to contributions from secondary product
Externí odkaz:
https://doaj.org/article/b18af7abf87344698844a1ba9e30eaa5
Autor:
C. E. Jordan, B. E. Anderson, A. J. Beyersdorf, C. A. Corr, J. E. Dibb, M. E. Greenslade, R. F. Martin, R. H. Moore, E. Scheuer, M. A. Shook, K. L. Thornhill, D. Troop, E. L. Winstead, L. D. Ziemba
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 11, Pp 4755-4771 (2015)
We introduce a new instrument for the measurement of in situ ambient aerosol extinction over the 300–700 nm wavelength range, the spectral aerosol extinction (SpEx) instrument. This measurement capability is envisioned to complement existing in sit
Externí odkaz:
https://doaj.org/article/098d792cd6334b0b9f5729894a33d72d
Autor:
J. Liu, E. Scheuer, J. Dibb, G. S. Diskin, L. D. Ziemba, K. L. Thornhill, B. E. Anderson, A. Wisthaler, T. Mikoviny, J. J. Devi, M. Bergin, A. E. Perring, M. Z. Markovic, J. P. Schwarz, P. Campuzano-Jost, D. A. Day, J. L. Jimenez, R. J. Weber
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 14, Pp 7841-7858 (2015)
Chemical components of organic aerosol (OA) selectively absorb light at short wavelengths. In this study, the prevalence, sources, and optical importance of this so-called brown carbon (BrC) aerosol component are investigated throughout the North Ame
Externí odkaz:
https://doaj.org/article/a17a4426d24c41d8b49e74a321073a32
Autor:
J. Liao, L. G. Huey, E. Scheuer, J. E. Dibb, R. E. Stickel, D. J. Tanner, J. A. Neuman, J. B. Nowak, S. Choi, Y. Wang, R. J. Salawitch, T. Canty, K. Chance, T. Kurosu, R. Suleiman, A. J. Weinheimer, R. E. Shetter, A. Fried, W. Brune, B. Anderson, X. Zhang, G. Chen, J. Crawford, A. Hecobian, E. D. Ingall
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 3, Pp 1327-1338 (2012)
A focus of the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) mission was examination of bromine photochemistry in the spring time high latitude troposphere based on aircraft and satellite measurements of
Externí odkaz:
https://doaj.org/article/156620de730040c7aa1b801d8032e6ff
Autor:
J. A. Neuman, J. B. Nowak, L. G. Huey, J. B. Burkholder, J. E. Dibb, J. S. Holloway, J. Liao, J. Peischl, J. M. Roberts, T. B. Ryerson, E. Scheuer, H. Stark, R. E. Stickel, D. J. Tanner, A. Weinheimer
Publikováno v:
Atmospheric Chemistry and Physics, Vol 10, Iss 14, Pp 6503-6514 (2010)
In situ measurements of ozone, photochemically active bromine compounds, and other trace gases over the Arctic Ocean in April 2008 are used to examine the chemistry and geographical extent of ozone depletion in the arctic marine boundary layer (MBL).
Externí odkaz:
https://doaj.org/article/35be6e245b5b4f92a843aefa62c2f5e5
Autor:
F. Flocke, J. D. Crounse, A. J. Weinheimer, P. O. Wennberg, P. F. DeCarlo, E. J. Dunlea, J. L. Jimenez, L. G. Huey, S. Kim, A. Perring, R. C. Cohen, P. Wooldridge, E. Scheuer, J. Dibb, E. Winstead, B. E. Anderson, S. G. Howell, Y. Shinozuka, V. Kapustin, A. D. Clarke, C. S. McNaughton
Publikováno v:
Atmospheric Chemistry and Physics, Vol 9, Iss 21, Pp 8283-8308 (2009)
In-situ airborne measurements of trace gases, aerosol size distributions, chemistry and optical properties were conducted over Mexico and the Eastern North Pacific during MILAGRO and INTEX-B. Heterogeneous reactions between secondary aerosol precurso
Externí odkaz:
https://doaj.org/article/a33c83307630414bb2100cc4960fe2dd