Zobrazeno 1 - 10
of 80
pro vyhledávání: '"H. W. Wallace"'
Autor:
A. A. T. Bui, H. W. Wallace, S. Kavassalis, H. D. Alwe, J. H. Flynn, M. H. Erickson, S. Alvarez, D. B. Millet, A. L. Steiner, R. J. Griffin
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 17031-17050 (2021)
Exchanges of energy and mass between the surrounding air and plant surfaces occur below, within, and above a forest's vegetative canopy. The canopy also can lead to vertical gradients in light, trace gases, oxidant availability, turbulent mixing, and
Externí odkaz:
https://doaj.org/article/4b44fcfba9b74e1aa91f651bb2c398b7
Autor:
D. Wei, H. D. Alwe, D. B. Millet, B. Bottorff, M. Lew, P. S. Stevens, J. D. Shutter, J. L. Cox, F. N. Keutsch, Q. Shi, S. C. Kavassalis, J. G. Murphy, K. T. Vasquez, H. M. Allen, E. Praske, J. D. Crounse, P. O. Wennberg, P. B. Shepson, A. A. T. Bui, H. W. Wallace, R. J. Griffin, N. W. May, M. Connor, J. H. Slade, K. A. Pratt, E. C. Wood, M. Rollings, B. L. Deming, D. C. Anderson, A. L. Steiner
Publikováno v:
Geoscientific Model Development, Vol 14, Pp 6309-6329 (2021)
The FORCAsT (FORest Canopy Atmosphere Transfer) model version 1.0 is updated to FORCAsT 2.0 by implementing five major changes, including (1) a change to the operator splitting, separating chemistry from emission and dry deposition, which reduces the
Externí odkaz:
https://doaj.org/article/7ef1e45541fe4cd98818e53c0ab3fff4
Autor:
C. L. Sirmollo, D. R. Collins, J. M. McCormick, C. F. Milan, M. H. Erickson, J. H. Flynn, R. J. Sheesley, S. Usenko, H. W. Wallace, A. A. T. Bui, R. J. Griffin, M. Tezak, S. M. Kinahan, J. L. Santarpia
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 3351-3370 (2021)
Environmental chambers are a commonly used tool for studying the production and processing of aerosols in the atmosphere. Most are located indoors and most are filled with air having prescribed concentrations of a small number of reactive gas species
Externí odkaz:
https://doaj.org/article/1e28abe0f8dd405cbe46ae356ae8fb50
Autor:
Q. Dai, B. C. Schulze, X. Bi, A. A. T. Bui, F. Guo, H. W. Wallace, N. P. Sanchez, J. H. Flynn, B. L. Lefer, Y. Feng, R. J. Griffin
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 9641-9661 (2019)
Submicron aerosol was measured to the southwest of Houston, Texas, during winter and summer 2014 to investigate its seasonal variability. Data from a high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) indicated that organic aerosol
Externí odkaz:
https://doaj.org/article/9160de8255174b4db65c48418b43d5d0
Autor:
I. M. Al-Naiema, A. P. S. Hettiyadura, H. W. Wallace, N. P. Sanchez, C. J. Madler, B. K. Cevik, A. A. T. Bui, J. Kettler, R. J. Griffin, E. A. Stone
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 15601-15622 (2018)
Online and offline measurements of ambient particulate matter (PM) near the urban and industrial Houston Ship Channel in Houston, Texas, USA, during May 2015 were utilized to characterize its chemical composition and to evaluate the relative contr
Externí odkaz:
https://doaj.org/article/79985fe538924eed89841989c931dad3
Autor:
B. C. Schulze, H. W. Wallace, A. T. Bui, J. H. Flynn, M. H. Erickson, S. Alvarez, Q. Dai, S. Usenko, R. J. Sheesley, R. J. Griffin
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 14217-14241 (2018)
The air quality of the Texas Gulf Coast region historically has been influenced heavily by regional shipping emissions. However, the effects of the recently established North American Emissions Control Area on aerosol concentrations and properties
Externí odkaz:
https://doaj.org/article/4f54b5e0d158487da7e405995ee678be
Autor:
B. C. Schulze, H. W. Wallace, J. H. Flynn, B. L. Lefer, M. H. Erickson, B. T. Jobson, S. Dusanter, S. M. Griffith, R. F. Hansen, P. S. Stevens, T. VanReken, R. J. Griffin
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 3, Pp 1805-1828 (2017)
Gas-phase biogenic volatile organic compounds (BVOCs) are oxidized in the troposphere to produce secondary pollutants such as ozone (O3), organic nitrates (RONO2), and secondary organic aerosol (SOA). Two coupled zero-dimensional models have been use
Externí odkaz:
https://doaj.org/article/73814bd147c34d4b894a5a22408e4a73
Autor:
R. F. Hansen, S. M. Griffith, S. Dusanter, P. S. Rickly, P. S. Stevens, S. B. Bertman, M. A. Carroll, M. H. Erickson, J. H. Flynn, N. Grossberg, B. T. Jobson, B. L. Lefer, H. W. Wallace
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 6, Pp 2923-2937 (2014)
Total hydroxyl radical (OH) reactivity was measured at the PROPHET (Program for Research on Oxidants: PHotochemistry, Emissions, and Transport) forested field site in northern Michigan during the 2009 Community Atmosphere–Biosphere INteraction EXpe
Externí odkaz:
https://doaj.org/article/a165fd4448bc450d83c82d62fe15d7a7
Autor:
R. A. Zaveri, W. J. Shaw, D. J. Cziczo, B. Schmid, R. A. Ferrare, M. L. Alexander, M. Alexandrov, R. J. Alvarez, W. P. Arnott, D. B. Atkinson, S. Baidar, R. M. Banta, J. C. Barnard, J. Beranek, L. K. Berg, F. Brechtel, W. A. Brewer, J. F. Cahill, B. Cairns, C. D. Cappa, D. Chand, S. China, J. M. Comstock, M. K. Dubey, R. C. Easter, M. H. Erickson, J. D. Fast, C. Floerchinger, B. A. Flowers, E. Fortner, J. S. Gaffney, M. K. Gilles, K. Gorkowski, W. I. Gustafson, M. Gyawali, J. Hair, R. M. Hardesty, J. W. Harworth, S. Herndon, N. Hiranuma, C. Hostetler, J. M. Hubbe, J. T. Jayne, H. Jeong, B. T. Jobson, E. I. Kassianov, L. I. Kleinman, C. Kluzek, B. Knighton, K. R. Kolesar, C. Kuang, A. Kubátová, A. O. Langford, A. Laskin, N. Laulainen, R. D. Marchbanks, C. Mazzoleni, F. Mei, R. C. Moffet, D. Nelson, M. D. Obland, H. Oetjen, T. B. Onasch, I. Ortega, M. Ottaviani, M. Pekour, K. A. Prather, J. G. Radney, R. R. Rogers, S. P. Sandberg, A. Sedlacek, C. J. Senff, G. Senum, A. Setyan, J. E. Shilling, M. Shrivastava, C. Song, S. R. Springston, R. Subramanian, K. Suski, J. Tomlinson, R. Volkamer, H. W. Wallace, J. Wang, A. M. Weickmann, D. R. Worsnop, X.-Y. Yu, A. Zelenyuk, Q. Zhang
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 16, Pp 7647-7687 (2012)
Substantial uncertainties still exist in the scientific understanding of the possible interactions between urban and natural (biogenic) emissions in the production and transformation of atmospheric aerosol and the resulting impact on climate change.
Externí odkaz:
https://doaj.org/article/ca28072139e8430eae01b07ef8ee6645
Autor:
Philip S. Stevens, Jennifer G. Murphy, Megan C. Connor, Allison L. Steiner, J. D. Shutter, Ezra C. Wood, Frank N. Keutsch, Qianwen Shi, Paul O. Wennberg, Daniel C. Anderson, H. W. Wallace, Dandan Wei, John D. Crounse, Robert J. Griffin, Benjamin L. Deming, Sarah C. Kavassalis, Dylan B. Millet, Mathew Rollings, Joshua L. Cox, Kerri A. Pratt, Hannah M. Allen, J. H. Slade, H. D. Alwe, Eric Praske, Alexander A. T. Bui, B. Bottorff, Paul B. Shepson, Nathaniel W. May, Krystal T. Vasquez, M. Lew
Publikováno v:
Geoscientific Model Development, Vol 14, Pp 6309-6329 (2021)
The FORCAsT (FORest Canopy Atmosphere Transfer) model version 1.0 is updated to FORCAsT 2.0 by implementing five major changes, including (1) a change to the operator splitting, separating chemistry from emission and dry deposition, which reduces the