Zobrazeno 1 - 10
of 20
pro vyhledávání: '"S. G. Moussa"'
Reconciling the total carbon budget for boreal forest wildfire emissions using airborne observations
Autor:
K. L. Hayden, S.-M. Li, J. Liggio, M. J. Wheeler, J. J. B. Wentzell, A. Leithead, P. Brickell, R. L. Mittermeier, Z. Oldham, C. M. Mihele, R. M. Staebler, S. G. Moussa, A. Darlington, M. Wolde, D. Thompson, J. Chen, D. Griffin, E. Eckert, J. C. Ditto, M. He, D. R. Gentner
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 12493-12523 (2022)
Wildfire impacts on air quality and climate are expected to be exacerbated by climate change with the most pronounced impacts in the boreal biome. Despite the large geographic coverage, there is limited information on boreal forest wildfire emissions
Externí odkaz:
https://doaj.org/article/0a8e0a25142843c586e9134b2c4d0ed2
Autor:
K. Hayden, S.-M. Li, P. Makar, J. Liggio, S. G. Moussa, A. Akingunola, R. McLaren, R. M. Staebler, A. Darlington, J. O'Brien, J. Zhang, M. Wolde, L. Zhang
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 8377-8392 (2021)
The atmospheric lifetimes of pollutants determine their impacts on human health, ecosystems and climate, and yet, pollutant lifetimes due to dry deposition over large regions have not been determined from measurements. Here, a new methodology based o
Externí odkaz:
https://doaj.org/article/f74d73a9fa784ac783d47fcf845b741f
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 1879-1892 (2021)
Tailings ponds in the Alberta oil sands region are significant sources of fugitive emissions of methane to the atmosphere, but detailed knowledge on spatial and temporal variabilities is lacking due to limitations of the methods deployed under curren
Externí odkaz:
https://doaj.org/article/e01046538b8c47cbb6bc2072fd2c0f47
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 945-959 (2021)
Fugitive emissions from tailings ponds contribute significantly to facility emissions in the Alberta oil sands, but details on chemical emission profiles and the temporal and spatial variability of emissions to the atmosphere are sparse, since flux m
Externí odkaz:
https://doaj.org/article/9d0ce7491a55435ca551e536ee58435e
Autor:
J. C. Ditto, M. He, T. N. Hass-Mitchell, S. G. Moussa, K. Hayden, S.-M. Li, J. Liggio, A. Leithead, P. Lee, M. J. Wheeler, J. J. B. Wentzell, D. R. Gentner
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 255-267 (2021)
Forest fires are major contributors of reactive gas- and particle-phase organic compounds to the atmosphere. We used offline high-resolution tandem mass spectrometry to perform a molecular-level speciation of gas- and particle-phase compounds sampled
Externí odkaz:
https://doaj.org/article/8585c10ecec44a4e9bbfcc981905ffef
Autor:
S. Baray, A. Darlington, M. Gordon, K. L. Hayden, A. Leithead, S.-M. Li, P. S. K. Liu, R. L. Mittermeier, S. G. Moussa, J. O'Brien, R. Staebler, M. Wolde, D. Worthy, R. McLaren
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 7361-7378 (2018)
Aircraft-based measurements of methane (CH4) and other air pollutants in the Athabasca Oil Sands Region (AOSR) were made during a summer intensive field campaign between 13 August and 7 September 2013 in support of the Joint Canada–Alberta Imple
Externí odkaz:
https://doaj.org/article/e183ada48d8d4c6381f72715d33dce25
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Pp 14119-14143 (2017)
Traffic emissions contribute significantly to urban air pollution. Measurements were conducted over Highway 401 in Toronto, Canada, with a long-path Fourier transform infrared (FTIR) spectrometer combined with a suite of micrometeorological instru
Externí odkaz:
https://doaj.org/article/dd7ca931e7ca40d2a08daa9d5beed3e5
Autor:
J. Liggio, S. G. Moussa, J. Wentzell, A. Darlington, P. Liu, A. Leithead, K. Hayden, J. O'Brien, R. L. Mittermeier, R. Staebler, M. Wolde, S.-M. Li
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Pp 8411-8427 (2017)
Organic acids are known to be emitted from combustion processes and are key photochemical products of biogenic and anthropogenic precursors. Despite their multiple environmental impacts, such as on acid deposition and human–ecosystem health, lit
Externí odkaz:
https://doaj.org/article/4d3200b2426c4dff96b3cfcab8a39533
Autor:
M. W. Shephard, C. A. McLinden, K. E. Cady-Pereira, M. Luo, S. G. Moussa, A. Leithead, J. Liggio, R. M. Staebler, A. Akingunola, P. Makar, P. Lehr, J. Zhang, D. K. Henze, D. B. Millet, J. O. Bash, L. Zhu, K. C. Wells, S. L. Capps, S. Chaliyakunnel, M. Gordon, K. Hayden, J. R. Brook, M. Wolde, S.-M. Li
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 12, Pp 5189-5211 (2015)
The wealth of air quality information provided by satellite infrared observations of ammonia (NH3), carbon monoxide (CO), formic acid (HCOOH), and methanol (CH3OH) is currently being explored and used for a number of applications, especially at regio
Externí odkaz:
https://doaj.org/article/992da5616e6349a7b96363b1aa52a849
Autor:
N. D. Rider, Y. M. Taha, C. A. Odame-Ankrah, J. A. Huo, T. W. Tokarek, E. Cairns, S. G. Moussa, J. Liggio, H. D. Osthoff
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 7, Pp 2737-2748 (2015)
Photochemical sources of peroxycarboxylic nitric anhydrides (PANs) are utilized in many atmospheric measurement techniques for calibration or to deliver an internal standard. Conventionally, such sources rely on phosphor-coated low-pressure mercury (
Externí odkaz:
https://doaj.org/article/d4ddd7b00f0341738eea23078854c971