Zobrazeno 1 - 10
of 46
pro vyhledávání: '"M. D. Willis"'
Autor:
M. Ma, L.-H. Rivellini, Y. Cui, M. D. Willis, R. Wilkie, J. P. D. Abbatt, M. R. Canagaratna, J. Wang, X. Ge, A. K. Y. Lee
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 2799-2812 (2021)
Chemical characterization of organic coatings is important to advance our understanding of the physio-chemical properties and environmental fate of black carbon (BC) particles. The soot-particle aerosol mass spectrometer (SP-AMS) has been utilized fo
Externí odkaz:
https://doaj.org/article/5eabf0beb994412997a9163f93f7a79f
Autor:
F. Köllner, J. Schneider, M. D. Willis, H. Schulz, D. Kunkel, H. Bozem, P. Hoor, T. Klimach, F. Helleis, J. Burkart, W. R. Leaitch, A. A. Aliabadi, J. P. D. Abbatt, A. B. Herber, S. Borrmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 6509-6539 (2021)
Aerosol particles impact the Arctic climate system both directly and indirectly by modifying cloud properties, yet our understanding of their vertical distribution, chemical composition, mixing state, and sources in the summertime Arctic is incomplet
Externí odkaz:
https://doaj.org/article/6406924080c649d9a2688ac372c9bf23
Autor:
W. R. Leaitch, J. K. Kodros, M. D. Willis, S. Hanna, H. Schulz, E. Andrews, H. Bozem, J. Burkart, P. Hoor, F. Kolonjari, J. A. Ogren, S. Sharma, M. Si, K. von Salzen, A. K. Bertram, A. Herber, J. P. D. Abbatt, J. R. Pierce
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 10545-10563 (2020)
Despite the potential importance of black carbon (BC) for radiative forcing of the Arctic atmosphere, vertically resolved measurements of the particle light scattering coefficient (σsp) and light absorption coefficient (σap) in the springtime Arcti
Externí odkaz:
https://doaj.org/article/d3ea359ec1ad4c66b3e04b6e8e9b1aa5
Autor:
Z. Y. W. Davis, U. Frieß, K. B. Strawbridge, M. Aggarwaal, S. Baray, E. G. Schnitzler, A. Lobo, V. E. Fioletov, I. Abboud, C. A. McLinden, J. Whiteway, M. D. Willis, A. K. Y. Lee, J. Brook, J. Olfert, J. O'Brien, R. Staebler, H. D. Osthoff, C. Mihele, R. McLaren
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 1129-1155 (2020)
Vertical profiles of aerosols, NO2, and SO2 were retrieved from Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements at a field site in northern Alberta, Canada, during August and September 2013. The site is approximately 1
Externí odkaz:
https://doaj.org/article/bb42ea68b3b3475b88a24cd2cb1e8bb0
Autor:
H. Bozem, P. Hoor, D. Kunkel, F. Köllner, J. Schneider, A. Herber, H. Schulz, W. R. Leaitch, A. A. Aliabadi, M. D. Willis, J. Burkart, J. P. D. Abbatt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 15049-15071 (2019)
The springtime composition of the Arctic lower troposphere is to a large extent controlled by the transport of midlatitude air masses into the Arctic. In contrast, precipitation and natural sources play the most important role during summer. Within t
Externí odkaz:
https://doaj.org/article/68338ad1645843c4b73e4254f498dc34
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
Autor:
B. Croft, R. V. Martin, W. R. Leaitch, J. Burkart, R. Y.-W. Chang, D. B. Collins, P. L. Hayes, A. L. Hodshire, L. Huang, J. K. Kodros, A. Moravek, E. L. Mungall, J. G. Murphy, S. Sharma, S. Tremblay, G. R. Wentworth, M. D. Willis, J. P. D. Abbatt, J. R. Pierce
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 2787-2812 (2019)
Summertime Arctic aerosol size distributions are strongly controlled by natural regional emissions. Within this context, we use a chemical transport model with size-resolved aerosol microphysics (GEOS-Chem-TOMAS) to interpret measurements of aerosol
Externí odkaz:
https://doaj.org/article/8d805a5f46e8493eb75da09e1bdabf10
Autor:
J. P. D. Abbatt, W. R. Leaitch, A. A. Aliabadi, A. K. Bertram, J.-P. Blanchet, A. Boivin-Rioux, H. Bozem, J. Burkart, R. Y. W. Chang, J. Charette, J. P. Chaubey, R. J. Christensen, A. Cirisan, D. B. Collins, B. Croft, J. Dionne, G. J. Evans, C. G. Fletcher, M. Galí, R. Ghahremaninezhad, E. Girard, W. Gong, M. Gosselin, M. Gourdal, S. J. Hanna, H. Hayashida, A. B. Herber, S. Hesaraki, P. Hoor, L. Huang, R. Hussherr, V. E. Irish, S. A. Keita, J. K. Kodros, F. Köllner, F. Kolonjari, D. Kunkel, L. A. Ladino, K. Law, M. Levasseur, Q. Libois, J. Liggio, M. Lizotte, K. M. Macdonald, R. Mahmood, R. V. Martin, R. H. Mason, L. A. Miller, A. Moravek, E. Mortenson, E. L. Mungall, J. G. Murphy, M. Namazi, A.-L. Norman, N. T. O'Neill, J. R. Pierce, L. M. Russell, J. Schneider, H. Schulz, S. Sharma, M. Si, R. M. Staebler, N. S. Steiner, J. L. Thomas, K. von Salzen, J. J. B. Wentzell, M. D. Willis, G. R. Wentworth, J.-W. Xu, J. D. Yakobi-Hancock
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 2527-2560 (2019)
Motivated by the need to predict how the Arctic atmosphere will change in a warming world, this article summarizes recent advances made by the research consortium NETCARE (Network on Climate and Aerosols: Addressing Key Uncertainties in Remote Canadi
Externí odkaz:
https://doaj.org/article/bfdd9f7dac5c49239d37a9bb507d7728
Autor:
H. Schulz, M. Zanatta, H. Bozem, W. R. Leaitch, A. B. Herber, J. Burkart, M. D. Willis, D. Kunkel, P. M. Hoor, J. P. D. Abbatt, R. Gerdes
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 2361-2384 (2019)
The vertical distribution of black carbon (BC) particles in the Arctic atmosphere is one of the key parameters controlling their radiative forcing and thus role in Arctic climate change. This work investigates the presence and properties of these lig
Externí odkaz:
https://doaj.org/article/cbda16c167bf40faaa5e7a8e6d600d11
Autor:
M. D. Willis, H. Bozem, D. Kunkel, A. K. Y. Lee, H. Schulz, J. Burkart, A. A. Aliabadi, A. B. Herber, W. R. Leaitch, J. P. D. Abbatt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 57-76 (2019)
The sources, chemical transformations and removal mechanisms of aerosol transported to the Arctic are key factors that control Arctic aerosol–climate interactions. Our understanding of sources and processes is limited by a lack of vertically res
Externí odkaz:
https://doaj.org/article/505c498c155545a7aba4897df0e145a5