Zobrazeno 1 - 10
of 216
pro vyhledávání: '"J. Liggio"'
Autor:
R.M. Staebler, J. Liggio, K.L. Hayden, Z. Oldham, R.L. Mittermeier, S.M. Li, K. MacKay, G.R. Wentworth, T.W. Tokarek, S.C. Smyth, C. Mihele, A. Leithead, M. Wheeler
Publikováno v:
Atmospheric Environment: X, Vol 23, Iss , Pp 100280- (2024)
The identification and reduction of methane sources is considered an important part of the fight to stem greenhouse gas (GHG) emissions to the atmosphere. One of the largest industrial contributors to national GHG emissions in Canada is the Alberta O
Externí odkaz:
https://doaj.org/article/7efda74a77bc455bb70825ddb63d0352
Autor:
B. M. Erland, C. Adams, A. Darlington, M. L. Smith, A. K. Thorpe, G. R. Wentworth, S. Conley, J. Liggio, S.-M. Li, C. E. Miller, J. A. Gamon
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 5841-5859 (2022)
To combat global warming, Canada has committed to reducing greenhouse gases to be (GHGs) 40 %–45 % below 2005 emission levels by 2025. Monitoring emissions and deriving accurate inventories are essential to reaching these goals. Airborne methods ca
Externí odkaz:
https://doaj.org/article/2ff06d4b67c74d6984d940013f1427ca
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
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 10827-10839 (2022)
Cyclic volatile methyl siloxanes (cVMSs), which can volatilize into the atmosphere, are active ingredients in widely used consumer products, thus attracting much attention due to their potential environmental risks. While in the atmosphere the cVMSs
Externí odkaz:
https://doaj.org/article/3914324231a24271bbab6c4767ca51d6
Autor:
D. Griffin, C. A. McLinden, E. Dammers, C. Adams, C. E. Stockwell, C. Warneke, I. Bourgeois, J. Peischl, T. B. Ryerson, K. J. Zarzana, J. P. Rowe, R. Volkamer, C. Knote, N. Kille, T. K. Koenig, C. F. Lee, D. Rollins, P. S. Rickly, J. Chen, L. Fehr, A. Bourassa, D. Degenstein, K. Hayden, C. Mihele, S. N. Wren, J. Liggio, A. Akingunola, P. Makar
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 7929-7957 (2021)
Smoke from wildfires is a significant source of air pollution, which can adversely impact air quality and ecosystems downwind. With the recently increasing intensity and severity of wildfires, the threat to air quality is expected to increase. Satell
Externí odkaz:
https://doaj.org/article/7aa2c03018464c20bb4d6505f128deb8
Autor:
S. Fathi, M. Gordon, P. A. Makar, A. Akingunola, A. Darlington, J. Liggio, K. Hayden, S.-M. Li
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 15461-15491 (2021)
We investigate the potential for aircraft-based top-down emission rate retrieval over- and under-estimation using a regional chemical transport model, the Global Environmental Multiscale-Modeling Air-Quality and CHemistry (GEM-MACH). In our investiga
Externí odkaz:
https://doaj.org/article/2b12b2554e684293ae863eda9237ad85
Autor:
K. Baibakov, S. LeBlanc, K. Ranjbar, N. T. O'Neill, M. Wolde, J. Redemann, K. Pistone, S.-M. Li, J. Liggio, K. Hayden, T. W. Chan, M. J. Wheeler, L. Nichman, C. Flynn, R. Johnson
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 10671-10687 (2021)
In this work we report the airborne aerosol optical depth (AOD) from measurements within freshly emitted anthropogenic plumes arising from mining and processing operations in the Athabasca Oil Sands Region (AOSR) in the context of ground-based AERONE
Externí odkaz:
https://doaj.org/article/add645b039c04dc186ab6cc11a85f199
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
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:
A. K. Y. Lee, M. G. Adam, J. Liggio, S.-M. Li, K. Li, M. D. Willis, J. P. D. Abbatt, T. W. Tokarek, C. A. Odame-Ankrah, H. D. Osthoff, K. Strawbridge, J. R. Brook
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 12209-12219 (2019)
The oil sands industry in Alberta, Canada, represents a large anthropogenic source of secondary organic aerosol (SOA). Atmospheric emissions from oil sands operations are a complex mixture of gaseous and particulate pollutants. Their interaction can
Externí odkaz:
https://doaj.org/article/8e896390fc2d422dad2431bdaaeaef81