Zobrazeno 1 - 10 of 90 pro vyhledávání: '"Peter H. Daum"'
1
Chemical composition and sources of coastal marine aerosol particles during the 2008 VOCALS-REx campaign
Autor: Jian Wang, Y. N. Lee, Peter H. Daum, Gunnar Senum, J. T. Jayne, Lawrence I. Kleinman, Stephen R. Springston, John M. Hubbe
Publikováno v: Atmospheric Chemistry and Physics, Vol 14, Iss 10, Pp 5057-5072 (2014)
The chemical composition of aerosol particles (Dp ≤ 1.5 μm) was measured over the southeast Pacific ocean during the VOCALS-REx experiment between 16~October and 15 November 2008 using the US DOE G-1 aircraft. The objective of these flights was
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::364652d1a043f4eb9f039a992370db8a
http://www.atmos-chem-phys.net/14/5057/2014/acp-14-5057-2014.pdf
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2
Comment on 'Cloud droplet spectral width relationship to CCN spectra and vertical velocity' by Hudson et al
Autor: Peter H. Daum, Chunsong Lu, Yangang Liu
Publikováno v: Journal of Geophysical Research: Atmospheres. 119:1874-1877
Hudson et al. [2012, hereafter H12] have lately shown that the standard deviation (σ) of droplet size distributions was inversely related to cloud condensation nuclei (CCN) concentration at 1% supersaturation (NCCN) for the in situ aircraft measurem
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ea25fae7128e62dbc87e91d026d743b
https://doi.org/10.1002/2012jd019207
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3
Comparison of MODIS cloud microphysical properties with in-situ measurements over the Southeast Pacific
Autor: Lawrence I. Kleinman, L. Min, Jian Wang, Y. N. Lee, Qilong Min, Bangsheng Yin, Everette Joseph, Peter H. Daum, Y. Lin
Publikováno v: Atmospheric Chemistry and Physics, Vol 12, Iss 23, Pp 11261-11273 (2012)
Utilizing the unique characteristics of the cloud over the Southeast Pacific (SEP) off the coast of Chile during the VOCALS field campaign, we compared satellite remote sensing of cloud microphysical properties against in-situ data from multi-aircraf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6dce60cdfb84cec2bd5786ab49428be
http://www.atmos-chem-phys.net/12/11261/2012/acp-12-11261-2012.pdf
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4
The time evolution of aerosol size distribution over the Mexico City plateau
Autor: M. L. Alexander, Y. N. Lee, Stephen R. Springston, J. T. Jayne, L. J. Nunnermacker, Peter H. Daum, John V. Ortega, Lawrence I. Kleinman, Jian Wang, Rahul A. Zaveri, Manjula R. Canagaratna, John M. Hubbe, J. Weinstein-Lloyd, Gunar Senum
Publikováno v: Atmospheric Chemistry and Physics. 9:4261-4278
As part of the MILAGRO field campaign, the DOE G-1 aircraft was used to make measurements over and downwind of Mexico City with the objective of determining growth characteristics of aerosols from a megacity urban source. This study focuses on number
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4f8feb36511590977b3f770b3f331a4
https://doi.org/10.5194/acp-9-4261-2009
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5
Aircraft and ground-based measurements of hydroperoxides during the 2006 MILAGRO field campaign
Autor: Stephen R. Springston, G. Huey, Jeffrey S. Gaffney, Peter H. Daum, L. J. Nunnermacker, B. Hillery, B. Giebel, Lawrence I. Kleinman, Judith Weinstein-Lloyd, Nancy A. Marley
Publikováno v: Atmospheric Chemistry and Physics, Vol 8, Iss 24, Pp 7619-7636 (2008)
Atmospheric Chemistry and Physics Discussions
Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2008, 8 (3), pp.8951-8995
Mixing ratios of hydrogen peroxide and hydroxymethyl hydroperoxide were determined aboard the US Department of Energy G-1 Research Aircraft during the March 2006 MILAGRO field campaign in Mexico. Ground measurements of total hydroperoxide were made a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76a62424c7ef462b8e1f7b036ed78c99
http://www.atmos-chem-phys.net/8/7619/2008/acp-8-7619-2008.pdf
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6
Relationship of refractive index to mass density and self-consistency of mixing rules for multicomponent mixtures like ambient aerosols
Autor: Yangang Liu, Peter H. Daum
Publikováno v: Journal of Aerosol Science. 39:974-986
This paper focuses on two important yet poorly addressed aspects of ambient aerosols: relationship of refractive index to mass density (index–density relationship) and consistency of the mixing rules used to calculate these two quantities of a mult
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d27a76ad00968e116331fc0e32ec2b9d
https://doi.org/10.1016/j.jaerosci.2008.06.006
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7
The time evolution of aerosol composition over the Mexico City plateau
Autor: Gunar Senum, Jian Wang, J. Weinstein-Lloyd, Stephen R. Springston, John V. Ortega, Lawrence I. Kleinman, M. L. Alexander, John T. Jayne, Manjula R. Canagaratna, John M. Hubbe, L. J. Nunnermacker, Y. N. Lee, Peter H. Daum
Publikováno v: Atmospheric Chemistry and Physics, Vol 8, Iss 6, Pp 1559-1575 (2008)
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, European Geosciences Union, 2008, 8 (6), pp.1559-1575
Atmospheric Chemistry and Physics Discussions
Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2007, 7 (5), pp.14461-14509
The time evolution of aerosol concentration and chemical composition in a megacity urban plume was determined based on 8 flights of the DOE G-1 aircraft in and downwind of Mexico City during the March 2006 MILAGRO field campaign. A series of selectio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3a648866ee8388399e1ac64a3e2ea96
http://www.atmos-chem-phys.net/8/1559/2008/acp-8-1559-2008.pdf
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8
Parameterization of the Autoconversion Process. Part II: Generalization of Sundqvist-Type Parameterizations
Autor: Peter H. Daum, Yangang Liu, Robert McGraw, Robert Wood
Publikováno v: Journal of the Atmospheric Sciences. 63:1103-1109
Existing Sundqvist-type parameterizations, which only consider dependence of the autoconversion rate on cloud liquid water content, are generalized to explicitly account for the droplet concentration and relative dispersion of the cloud droplet size
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::846a496765878cfa762cbdd0c96a9dc6
https://doi.org/10.1175/jas3675.1
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9
Ground-based and aircraft measurements of trace gases in Phoenix, Arizona (1998)
Autor: Stephen R. Springston, Peter H. Daum, Leonard Newman, L. J. Nunnermacker, Lawrence I. Kleinman, Y. N. Lee, P. Hyde, Judith Weinstein-Lloyd, P. Klotz, G. Neuroth
Publikováno v: Atmospheric Environment. 38:4941-4956
In May and June of 1998, an extensive measurement campaign was fielded in the city of Phoenix and its environs. Measurements were made at ground sites and aboard the Department of Energy's G-1 research aircraft in an effort to understand the producti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9dab72bf8372a0317da9dbcd2dbe1fbe
https://doi.org/10.1016/j.atmosenv.2004.04.033
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10
Parameterization of the Autoconversion Process.Part I: Analytical Formulation of the Kessler-Type Parameterizations
Autor: Peter H. Daum, Yangang Liu
Publikováno v: Journal of the Atmospheric Sciences. 61:1539-1548
Various commonly used Kessler-type parameterizations of the autoconversion of cloud droplets to embryonic raindrops are theoretically derived from the same formalism by applying the generalized mean value theorem for integrals to the general collecti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f46a1c362a65f5a27367299c07e7d63
https://doi.org/10.1175/1520-0469(2004)061<1539:potapi>2.0.co
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