Zobrazeno 1 - 10
of 25
pro vyhledávání: '"K. L. Hayden"'
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:
T. W. Tokarek, C. A. Odame-Ankrah, J. A. Huo, R. McLaren, A. K. Y. Lee, M. G. Adam, M. D. Willis, J. P. D. Abbatt, C. Mihele, A. Darlington, R. L. Mittermeier, K. Strawbridge, K. L. Hayden, J. S. Olfert, E. G. Schnitzler, D. K. Brownsey, F. V. Assad, G. R. Wentworth, A. G. Tevlin, D. E. J. Worthy, S.-M. Li, J. Liggio, J. R. Brook, H. D. Osthoff
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 17819-17841 (2018)
In this paper, measurements of air pollutants made at a ground site near Fort McKay in the Athabasca oil sands region as part of a multi-platform campaign in the summer of 2013 are presented. The observations included measurements of selected volatil
Externí odkaz:
https://doaj.org/article/2eab12a88abc4b098e8a96e2df2b00c9
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
Autor:
C. D. Cappa, E. J. Williams, D. A. Lack, G. M. Buffaloe, D. Coffman, K. L. Hayden, S. C. Herndon, B. M. Lerner, S.-M. Li, P. Massoli, R. McLaren, I. Nuaaman, T. B. Onasch, P. K. Quinn
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 3, Pp 1337-1352 (2014)
Emissions factors (EFs) for gas and sub-micron particle-phase species were measured in intercepted plumes as a function of vessel speed from an underway research vessel, the NOAA ship Miller Freeman, operating a medium-speed diesel engine on low-sulf
Externí odkaz:
https://doaj.org/article/d6fd27df973d4b92a5c30eacbe8142f7
Autor:
G. M. Buffaloe, D. A. Lack, E. J. Williams, D. Coffman, K. L. Hayden, B. M. Lerner, S.-M. Li, I. Nuaaman, P. Massoli, T. B. Onasch, P. K. Quinn, C. D. Cappa
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 4, Pp 1881-1896 (2014)
Black carbon (BC) mass emission factors (EFBC; g BC (kg fuel)−1) from a variety of ocean-going vessels have been determined from measurements of BC and carbon dioxide (CO2) concentrations in ship plumes intercepted by the R/V Atlantis during the 20
Externí odkaz:
https://doaj.org/article/76db2bf741654ec2be05f59528de732d
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 20, Pp 10461-10482 (2013)
This paper serves as an overview and discusses the main findings from the Border Air Quality and Meteorology Study (BAQS-Met) in southwestern Ontario in 2007. This region is dominated by the Great Lakes, shares borders with the United States and cons
Externí odkaz:
https://doaj.org/article/9bb2eefd25d84416a00e99f56706fd6a
Autor:
L. Ahlm, K. M. Shakya, L. M. Russell, J. C. Schroder, J. P. S. Wong, S. J. Sjostedt, K. L. Hayden, J. Liggio, J. J. B. Wentzell, H. A. Wiebe, C. Mihele, W. R. Leaitch, A. M. Macdonald
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 6, Pp 3393-3407 (2013)
Submicron aerosol particles collected simultaneously at the mountain peak (2182 m a.s.l.) and at a forested mid-mountain site (1300 m a.s.l.) on Whistler Mountain, British Columbia, Canada, during June and July 2010 were analyzed by Fourier transform
Externí odkaz:
https://doaj.org/article/711598e1d62d4d16afc5e753ed66b95c
Autor:
A. K. Y. Lee, K. L. Hayden, P. Herckes, W. R. Leaitch, J. Liggio, A. M. Macdonald, J. P. D. Abbatt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 15, Pp 7103-7116 (2012)
The water-soluble fractions of aerosol filter samples and cloud water collected during the Whistler Aerosol and Cloud Study (WACS 2010) were analyzed using an Aerodyne aerosol mass spectrometer (AMS). This is the first study to report AMS organic spe
Externí odkaz:
https://doaj.org/article/6e305a6fdc12493e9f2603b8a266f418
Autor:
J. R. Pierce, W. R. Leaitch, J. Liggio, D. M. Westervelt, C. D. Wainwright, J. P. D. Abbatt, L. Ahlm, W. Al-Basheer, D. J. Cziczo, K. L. Hayden, A. K. Y. Lee, S.-M. Li, L. M. Russell, S. J. Sjostedt, K. B. Strawbridge, M. Travis, A. Vlasenko, J. J. B. Wentzell, H. A. Wiebe, J. P. S. Wong, A. M. Macdonald
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 7, Pp 3147-3163 (2012)
The Whistler Aerosol and Cloud Study (WACS 2010), included intensive measurements of trace gases and particles at two sites on Whistler Mountain. Between 6–11 July 2010 there was a sustained high-pressure system over the region with cloud-free cond
Externí odkaz:
https://doaj.org/article/15d17b4368ec42ce9ca50152a291759a
Autor:
M. O. Wenig, D. Majonis, A. Ng, J. M. O'Brien, K. L. Hayden, S. Beirle, J. R. Brook, T. Wagner, J. D. Halla, R. McLaren
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 23, Pp 12475-12498 (2011)
Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements were performed in a rural location of southwestern Ontario during the Border Air Quality and Meteorology Study. Slant column densities (SCDs) of NO2 and O4 were determine
Externí odkaz:
https://doaj.org/article/32b10bd4e20249d59261e7d3839bb111