Zobrazeno 1 - 10
of 188
pro vyhledávání: '"J. H. Seinfeld"'
Autor:
Q. Zhu, R. H. Schwantes, M. Coggon, C. Harkins, J. Schnell, J. He, H. O. T. Pye, M. Li, B. Baker, Z. Moon, R. Ahmadov, E. Y. Pfannerstill, B. Place, P. Wooldridge, B. C. Schulze, C. Arata, A. Bucholtz, J. H. Seinfeld, C. Warneke, C. E. Stockwell, L. Xu, K. Zuraski, M. A. Robinson, J. A. Neuman, P. R. Veres, J. Peischl, S. S. Brown, A. H. Goldstein, R. C. Cohen, B. C. McDonald
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 5265-5286 (2024)
The declining trend in vehicle emissions has underscored the growing significance of volatile organic compound (VOC) emissions from volatile chemical products (VCPs). However, accurately representing VOC chemistry in simplified chemical mechanisms re
Externí odkaz:
https://doaj.org/article/242b3adb61e947b58fd6c6a1f45a20e5
Autor:
E. A. Pennington, Y. Wang, B. C. Schulze, K. M. Seltzer, J. Yang, B. Zhao, Z. Jiang, H. Shi, M. Venecek, D. Chau, B. N. Murphy, C. M. Kenseth, R. X. Ward, H. O. T. Pye, J. H. Seinfeld
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 2345-2363 (2024)
This study describes a modeling framework, model evaluation, and source apportionment to understand the causes of Los Angeles (LA) air pollution. A few major updates are applied to the Community Multiscale Air Quality (CMAQ) model with a high spatial
Externí odkaz:
https://doaj.org/article/c571c3970b2f468aa844c6664dc80dec
Autor:
C. M. Nussbaumer, B. K. Place, Q. Zhu, E. Y. Pfannerstill, P. Wooldridge, B. C. Schulze, C. Arata, R. Ward, A. Bucholtz, J. H. Seinfeld, A. H. Goldstein, R. C. Cohen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 13015-13028 (2023)
Nitrogen oxides (NOx≡NO+NO2) are involved in most atmospheric photochemistry, including the formation of tropospheric ozone (O3). While various methods exist to accurately measure NOx concentrations, it is still a challenge to quantify the source a
Externí odkaz:
https://doaj.org/article/35b7fbc654664eda9ec229395edfb56d
Autor:
E. Y. Pfannerstill, C. Arata, Q. Zhu, B. C. Schulze, R. Woods, J. H. Seinfeld, A. Bucholtz, R. C. Cohen, A. H. Goldstein
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 12753-12780 (2023)
The San Joaquin Valley is an agricultural region in California that suffers from poor air quality. Since traffic emissions are decreasing, other sources of volatile organic compounds (VOCs) are gaining importance in the formation of secondary air pol
Externí odkaz:
https://doaj.org/article/3c782e1e161b45c4aaf33787445163f1
Autor:
Q. Zhu, B. Place, E. Y. Pfannerstill, S. Tong, H. Zhang, J. Wang, C. M. Nussbaumer, P. Wooldridge, B. C. Schulze, C. Arata, A. Bucholtz, J. H. Seinfeld, A. H. Goldstein, R. C. Cohen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 9669-9683 (2023)
Nitrogen oxides (NOx) are principle components of air pollution and serve as important ozone precursors. As the San Joaquin Valley (SJV) experiences some of the worst air quality in the United States, reducing NOx emissions is a pressing need, yet qu
Externí odkaz:
https://doaj.org/article/9e0705ab8aec4fc3a1504b3d6e7092ce
Autor:
Y. Wang, X. Guo, Y. Huo, M. Li, Y. Pan, S. Yu, A. Baklanov, D. Rosenfeld, J. H. Seinfeld, P. Li
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 5233-5249 (2023)
The global methane pledge paves a fresh, critical way toward carbon neutrality. However, it remains largely invisible and highly controversial due to the fact that planet-scale and plant-level methane retrievals have rarely been coordinated. This has
Externí odkaz:
https://doaj.org/article/0e0ef4e70d0242d6a15ef477f9437597
Autor:
M. Li, S. Yu, X. Chen, Z. Li, Y. Zhang, Z. Song, W. Liu, P. Li, X. Zhang, M. Zhang, Y. Sun, Z. Liu, C. Sun, J. Jiang, S. Wang, B. N. Murphy, K. Alapaty, R. Mathur, D. Rosenfeld, J. H. Seinfeld
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 11845-11866 (2022)
Condensable particulate matter (CPM) emitted from stationary combustion and mobile sources exhibits high emissions and a large proportion of organic components. However, CPM is not generally measured when conducting emission surveys of PM in most cou
Externí odkaz:
https://doaj.org/article/5fc6943fdca3431b90592a1a7dd6248c
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 4929-4949 (2022)
A new technique was used to directly measure O3 response to changes in precursor NOx and volatile organic compound (VOC) concentrations in the atmosphere using three identical Teflon smog chambers equipped with UV lights. One chamber served as the ba
Externí odkaz:
https://doaj.org/article/f099e09745d84ae08b33b4c6abda396c
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 917-928 (2022)
Decamethylcyclopentasiloxane (D5, C10H30O5Si5) is measured at parts per trillion (ppt) levels outdoors and parts per billion (ppb) levels indoors. Primarily used in personal care products, its outdoor concentration is correlated to population density
Externí odkaz:
https://doaj.org/article/746cd61740084fce8dcd363775668c2b
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 18247-18261 (2021)
Volatile chemical products (VCPs) are commonly used consumer and industrial items that are an important source of anthropogenic emissions. Organic compounds from VCPs evaporate on atmospherically relevant timescales and include many species that are
Externí odkaz:
https://doaj.org/article/8dac74652adb4dbd8d71af0508f64ee2