Zobrazeno 1 - 10
of 188
pro vyhledávání: '"C. Daube"'
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 1915-1921 (2023)
An Aerodyne tunable infrared laser direct absorption spectrometer with a multipass cell with a 413 m pathlength for the detection of ethylene oxide (EtO) is presented (TILDAS-FD-EtO). This monitor achieves precisions of ppt or ppb s−1 and ppt in 10
Externí odkaz:
https://doaj.org/article/fe5af7db3ac04b758b97574c60bcc09b
Autor:
Y. Liang, C. Stamatis, E. C. Fortner, R. A. Wernis, P. Van Rooy, F. Majluf, T. I. Yacovitch, C. Daube, S. C. Herndon, N. M. Kreisberg, K. C. Barsanti, A. H. Goldstein
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 9877-9893 (2022)
The size and frequency of wildfires in the western United States have been increasing, and this trend is projected to continue, with increasing adverse consequences for human health. Gas- and particle-phase organic compounds are the main components o
Externí odkaz:
https://doaj.org/article/3a4ff7a5cfa341ea8cc35ba2b772208c
Autor:
B. Sumlin, E. Fortner, A. Lambe, N. J. Shetty, C. Daube, P. Liu, F. Majluf, S. Herndon, R. K. Chakrabarty
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 11843-11856 (2021)
Organic aerosol (OA) emissions from biomass burning have been the subject of intense research in recent years, involving a combination of field campaigns and laboratory studies. These efforts have aimed at improving our limited understanding of the d
Externí odkaz:
https://doaj.org/article/1347d608d2c84f6f9b2d82729de470dc
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 2085-2095 (2019)
Tracer flux ratio methodology was applied to airborne measurements to quantify methane (CH4) emissions from two dairy farms in central California during the summer. An aircraft flew around the perimeter of each farm measuring downwind enhancements of
Externí odkaz:
https://doaj.org/article/d3d16d8d0ff94ac5b7909c05199d03db
Autor:
D. C. Anderson, J. Pavelec, C. Daube, S. C. Herndon, W. B. Knighton, B. M. Lerner, J. R. Roscioli, T. I. Yacovitch, E. C. Wood
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 2845-2860 (2019)
Observations of total peroxy radical concentrations ([XO2] ≡ [RO2] + [HO2]) made by the Ethane CHemical AMPlifier (ECHAMP) and concomitant observations of additional trace gases made on board the Aerodyne Mobile Laboratory (AML) during May
Externí odkaz:
https://doaj.org/article/a37848595008409781fd997b14c04744
Autor:
A. Lambe, P. Massoli, X. Zhang, M. Canagaratna, J. Nowak, C. Daube, C. Yan, W. Nie, T. Onasch, J. Jayne, C. Kolb, P. Davidovits, D. Worsnop, W. Brune
Publikováno v:
Atmospheric Measurement Techniques, Vol 10, Pp 2283-2298 (2017)
Oxidation flow reactors that use low-pressure mercury lamps to produce hydroxyl (OH) radicals are an emerging technique for studying the oxidative aging of organic aerosols. Here, ozone (O3) is photolyzed at 254 nm to produce O(1D) radicals, which
Externí odkaz:
https://doaj.org/article/0f9b4a533b504e76812b159c6b13de8e
Autor:
Elizabeth Asher, Gregory P. Schill, James W. Elkins, L. Greg Huey, Michael J. Prather, Kirk Ullmann, Susan E. Strahan, J. Andrew Neuman, Bernadett Weinzierl, Thomas F. Hanisco, Nicholas L. Wagner, Michelle J. Kim, David W. Fahey, Junhua Liu, Karl D. Froyd, Benjamin A. Nault, Maximilian Dollner, Joshua P. DiGangi, Charles A. Brock, Joshua P. Schwarz, Amy H. Butler, Leslie R. Lait, Karen H. Rosenlof, Jean-Francois Lamarque, Chelsea R. Thompson, Eric A. Ray, Huisheng Bian, Donald R. Blake, Glenn M. Wolfe, Stephen D. Steenrod, Julie M. Nicely, Thomas B. Ryerson, Paul A. Newman, Forrest Lacey, Cecilia Chang, Arlene M. Fiore, Steven C. Wofsy, Joseph M. Katich, Pedro Campuzano-Jost, John D. Crounse, C. M. Flynn, Ralph F. Keeling, Linghan Zeng, M. R. Sargent, G. J. P. Correa, Eric C. Apel, Colm Sweeney, Christina Williamson, Eric J. Morgan, Britton B. Stephens, Rodney J. Weber, Alma Hodzic, Stephen A. Montzka, Jack E. Dibb, Roisin Commane, Louis Nguyen, Yenny Gonzalez, Hannah M. Allen, Fred L. Moore, Bruce C. Daube, William H. Brune, Alexander B. Thames, Daniel M. Murphy, Jose L. Jimenez, Simone Meinardi, Sarah A. Strode, T. Paul Bui, Jason M. St. Clair, Paul O. Wennberg, Kathryn McKain, Glenn S. Diskin, Reem A. Hannun, Ilann Bourgeois, Rebecca S. Hornbrook, Samuel R. Hall, Hao Guo, Mian Chin, Andrew W. Rollins, Eric J. Hintsa, Alan J. Hills, J.W. Budney, Agnieszka Kupc, David O. Miller, Lee T. Murray, Patrick R. Veres, Siyuan Wang, Jeff Peischl
Publikováno v:
Bulletin of the American Meteorological Society. 103:E761-E790
This article provides an overview of the NASA Atmospheric Tomography (ATom) mission and a summary of selected scientific findings to date. ATom was an airborne measurements and modeling campaign aimed at characterizing the composition and chemistry o
Autor:
Hao Guo, Clare M. Flynn, Michael J. Prather, Sarah A. Strode, Stephen D. Steenrod, Louisa Emmons, Forrest Lacey, Jean-Francois Lamarque, Arlene M. Fiore, Gus Correa, Lee T. Murray, Glenn M. Wolfe, Jason M. St. Clair, Michelle Kim, John Crounse, Glenn Diskin, Joshua DiGangi, Bruce C. Daube, Roisin Commane, Kathryn McKain, Jeff Peischl, Thomas B. Ryerson, Chelsea Thompson, Thomas F. Hanisco, Donald Blake, Nicola J. Blake, Eric C. Apel, Rebecca S. Hornbrook, James W. Elkins, Eric J. Hintsa, Fred L. Moore, Steven C. Wofsy
Publikováno v:
Atmospheric Chemistry and Physics, vol 23, iss 1
The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pacific and Atlantic oce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4ab67b0beb4dc0dbffd2eef48076707
https://escholarship.org/uc/item/1vx0z8n3
https://escholarship.org/uc/item/1vx0z8n3
Autor:
Natalia Restrepo-Coupe, Kleber Silva Campos, Luciana F. Alves, Marcos Longo, Kenia T. Wiedemann, Raimundo Oliveira-Junior, Luiz E. O. C. Aragao, Bradley O'Donnell Christoffersen, Plinio Barbosa de Camargo, Adelaine M. e. S. Figueira, Maurício Lamano Ferreira, Rafael S. Oliveira, Deliane Penha, Neill Prohaska, Alessandro C. da Araujo, Bruce C. Daube, Steven C. Wofsy, Scott R. Saleska
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0df88947172c5ebb0ef5fa33a20a08f
https://doi.org/10.2139/ssrn.4442514
https://doi.org/10.2139/ssrn.4442514
Autor:
C. A. Brock, K. D. Froyd, M. Dollner, C. J. Williamson, G. Schill, D. M. Murphy, N. J. Wagner, A. Kupc, J. L. Jimenez, P. Campuzano-Jost, B. A. Nault, J. C. Schroder, D. A. Day, D. J. Price, B. Weinzierl, J. P. Schwarz, J. M. Katich, S. Wang, L. Zeng, R. Weber, J. Dibb, E. Scheuer, G. S. Diskin, J. P. DiGangi, T. Bui, J. M. Dean-Day, C. R. Thompson, J. Peischl, T. B. Ryerson, I. Bourgeois, B. C. Daube, R. Commane, S. C. Wofsy
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 15023-15063 (2021)
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
In situ measurements of aerosol microphysical, chemical, and optical properties were made during global-scale flights from 2016–2018 as part of the Atmospheric Tomography Mission (ATom). The NASA DC-8 aircraft flew from ∼ 84∘ N to ∼ 86∘ S l