Zobrazeno 1 - 10
of 177
pro vyhledávání: '"A. Hecobian"'
Publikováno v:
Geoscientific Model Development, Vol 11, Pp 4103-4116 (2018)
Biomass burning is a significant source of trace gases and aerosols to the atmosphere, and the evolution of these species depends acutely on where they are injected into the atmosphere. GEOS-Chem is a chemical transport model driven by assimilated
Externí odkaz:
https://doaj.org/article/53f42d3c76fa4021aed7fc48f12709dd
Autor:
E. V. Fischer, L. Zhu, V. H. Payne, J. R. Worden, Z. Jiang, S. S. Kulawik, S. Brey, A. Hecobian, D. Gombos, K. Cady-Pereira, F. Flocke
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 5639-5653 (2018)
Peroxyacyl nitrate (PAN) is a critical atmospheric reservoir for nitrogen oxide radicals, and plays a lead role in their redistribution in the troposphere. We analyze new Tropospheric Emission Spectrometer (TES) PAN observations over North America
Externí odkaz:
https://doaj.org/article/4e240834ce134ffc9a135e864f96a17a
Autor:
A. Hecobian, A. Evanoski-Cole, A. Eiguren-Fernandez, A. P. Sullivan, G. S. Lewis, S. V. Hering, J. L. Collett Jr.
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 2, Pp 525-533 (2016)
The Sequential Spot Sampler (S3), a newly developed instrument to collect aerosols for time-resolved chemical composition measurements, was evaluated in the laboratory and field for the measurement of particulate sulfate and nitrate. The S3 uses a mu
Externí odkaz:
https://doaj.org/article/e60e2d7b57c74316b42b61eeef320554
Autor:
A. J. Prenni, D. E. Day, A. R. Evanoski-Cole, B. C. Sive, A. Hecobian, Y. Zhou, K. A. Gebhart, J. L. Hand, A. P. Sullivan, Y. Li, M. I. Schurman, Y. Desyaterik, W. C. Malm, J. L. Collett Jr., B. A. Schichtel
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 1401-1416 (2016)
The Bakken formation contains billions of barrels of oil and gas trapped in rock and shale. Horizontal drilling and hydraulic fracturing methods have allowed for extraction of these resources, leading to exponential growth of oil production in the
Externí odkaz:
https://doaj.org/article/30de88dbcabf44d7839d3f2cd965eab1
Autor:
T. L. Lathem, A. J. Beyersdorf, K. L. Thornhill, E. L. Winstead, M. J. Cubison, A. Hecobian, J. L. Jimenez, R. J. Weber, B. E. Anderson, A. Nenes
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 5, Pp 2735-2756 (2013)
The NASA DC-8 aircraft characterized the aerosol properties, chemical composition, and cloud condensation nuclei (CCN) concentrations of the summertime Arctic during the 2008 NASA Arctic Research of the Composition of the Troposphere from Aircraft an
Externí odkaz:
https://doaj.org/article/697ffd310e9349e69ece7da9d28b885d
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 14, Pp 6593-6607 (2012)
Secondary organic aerosol (SOA) in the southeastern US is investigated by analyzing the spatial-temporal distribution of water-soluble organic carbon (WSOC) and other PM2.5 components from 900 archived 24-h Teflon filters collected at 15 urban or rur
Externí odkaz:
https://doaj.org/article/cc91da85cec540d8ac883875cd628873
Autor:
J. Liao, L. G. Huey, E. Scheuer, J. E. Dibb, R. E. Stickel, D. J. Tanner, J. A. Neuman, J. B. Nowak, S. Choi, Y. Wang, R. J. Salawitch, T. Canty, K. Chance, T. Kurosu, R. Suleiman, A. J. Weinheimer, R. E. Shetter, A. Fried, W. Brune, B. Anderson, X. Zhang, G. Chen, J. Crawford, A. Hecobian, E. D. Ingall
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 3, Pp 1327-1338 (2012)
A focus of the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) mission was examination of bromine photochemistry in the spring time high latitude troposphere based on aircraft and satellite measurements of
Externí odkaz:
https://doaj.org/article/156620de730040c7aa1b801d8032e6ff
Autor:
A. Hecobian, Z. Liu, C. J. Hennigan, L. G. Huey, J. L. Jimenez, M. J. Cubison, S. Vay, G. S. Diskin, G. W. Sachse, A. Wisthaler, T. Mikoviny, A. J. Weinheimer, J. Liao, D. J. Knapp, P. O. Wennberg, A. Kürten, J. D. Crounse, J. St. Clair, Y. Wang, R. J. Weber
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 24, Pp 13325-13337 (2011)
This paper compares measurements of gaseous and particulate emissions from a wide range of biomass-burning plumes intercepted by the NASA DC-8 research aircraft during the three phases of the ARCTAS-2008 experiment: ARCTAS-A, based out of Fairbanks,
Externí odkaz:
https://doaj.org/article/e9b10f39ebd046bf989f61ae776db048
Autor:
M. J. Cubison, A. M. Ortega, P. L. Hayes, D. K. Farmer, D. Day, M. J. Lechner, W. H. Brune, E. Apel, G. S. Diskin, J. A. Fisher, H. E. Fuelberg, A. Hecobian, D. J. Knapp, T. Mikoviny, D. Riemer, G. W. Sachse, W. Sessions, R. J. Weber, A. J. Weinheimer, A. Wisthaler, J. L. Jimenez
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 23, Pp 12049-12064 (2011)
Biomass burning (BB) is a large source of primary and secondary organic aerosols (POA and SOA). This study addresses the physical and chemical evolution of BB organic aerosols. Firstly, the evolution and lifetime of BB POA and SOA signatures observed
Externí odkaz:
https://doaj.org/article/7314d39b4d3247a89cf0daa108f16fe5
Publikováno v:
Atmospheric Chemistry and Physics, Vol 10, Iss 13, Pp 5965-5977 (2010)
Light absorption of fine particle (PM2.5) aqueous extracts between wavelengths of 200 and 800 nm were investigated from two data sets: 24-h Federal Reference Method (FRM) filter extracts from 15 Southeastern US monitoring sites over the year of 2007
Externí odkaz:
https://doaj.org/article/b735ad7fdb5e44398a331c99077b929c