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Observation of viscosity transition in alpha-pinene secondary organic aerosol
  • Published Date:
    2016
  • Source:
    Atmospheric Chemistry and Physics, 16(7), 4423-4438.
Filetype[PDF-3.46 MB]


Details:
  • Supporting Files:
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    1. The viability of trajectory analysis for diagnosing dynamical and chemical influences on ozone concentrations in the UTLS
      Personal Author:
      Bergman, J. W.; Pfister, L.; Kinnison, D. E.; Hintsa, E. J.; Thornberry, T. D.;
      Published Date:
      2017
      Source:
      Journal of Geophysical Research-Atmospheres, 122(11), 6025-6042.
      Description:
      To evaluate the utility of trajectory analysis in the tropical upper troposphere/lower stratosphere, Lagrangian predictions of ozone mixing ratio are compared to observations from the Airborne Tropical TRopopause EXperiment. Model predictions are bas...
      File Type:
      Filetype[PDF - 2.64 MB]
    2. Brown carbon aerosol in the North American continental troposphere: sources, abundance, and radiative forcing
      Personal Author:
      Liu, J.; Scheuer, E.; Dibb, J.; Diskin, G. S.; Ziemba, L. D.; Thornhill, K. L.; Anderson, B. E.; Wisthaler, A.; Mikoviny, T.; Devi, J. J.; Bergin, M.; Perring, A. E.; Markovic, M. Z.; Schwarz, J. P.; Campuzano-Jost, P.; Day, D. A.; Jimenez, J. L.; Weber, R. J.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(14), 7841-7858.
      Description:
      Chemical components of organic aerosol (OA) selectively absorb light at short wavelengths. In this study, the prevalence, sources, and optical importance of this so-called brown carbon (BrC) aerosol component are investigated throughout the North Ame...
      File Type:
      Filetype[PDF - 416.94 KB]
    3. Weakening of the weekend ozone effect over California's South Coast Air Basin
      Personal Author:
      Baidar, S.; Hardesty, R. M.; Kim, S. W.; Langford, A. O.; Oetjen, H.; Senff, C. J.; Trainer, M.; Volkamer, R.;
      Published Date:
      2015
      Source:
      Geophysical Research Letters, 42(21), 9457-9464.
      Description:
      We have observed lower nitrogen dioxide (NO2) and ozone (O-3) during a hot weekend (summer 2010) from aircraft over the entire South Coast Air Basin (SoCAB). Surface concentrations of NO2, O-3, and temperature from 1996 to 2014 corroborate that this ...
      File Type:
      Filetype[PDF - 936.36 KB]
    4. An atmospheric photochemical source of the persistent greenhouse gas CF4
      Personal Author:
      Jubb, A. M.; McGillen, M. R.; Portmann, R. W.; Daniel, J. S.; Burkholder, J. B.;
      Published Date:
      2015
      Source:
      Geophysical Research Letters, 42(21), 9505-9511.
      Description:
      A previously uncharacterized atmospheric source of the persistent greenhouse gas tetrafluoromethane, CF4, has been identified in the UV photolysis of trifluoroacetyl fluoride, CF3C(O)F, which is a degradation product of several halocarbons currently ...
      File Type:
      Filetype[PDF - 356.96 KB]
    5. Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010
      Personal Author:
      Hayes, P. L.; Carlton, A. G.; Baker, K. R.; Ahmadov, R.; Washenfelder, R. A.; Alvarez, S.; Rappengluck, B.; Gilman, J. B.; Kuster, W. C.; de Gouw, J. A.; Zotter, P.; Prevot, A. S. H.; Szidat, S.; Kleindienst, T. E.; Offenberg, J. H.; Ma, P. K.; Jimenez, J. L.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(10), 5773-5801.
      Description:
      Four different literature parameterizations for the formation and evolution of urban secondary organic aerosol (SOA) frequently used in 3-D models are evaluated using a 0-D box model representing the Los Angeles metropolitan region during the Califor...
      File Type:
      Filetype[PDF - 952.55 KB]
    6. Origins of aerosol chlorine during winter over north central Colorado, USA
      Personal Author:
      Jordan, C. E.; Pszenny, A. A. P.; Keene, W. C.; Cooper, O. R.; Deegan, B.; Maben, J.; Routhier, M.; Sander, R.; Young, A. H.;
      Published Date:
      2015
      Source:
      Journal of Geophysical Research-Atmospheres, 120(2), 678-694.
      Description:
      The Nitrogen, Aerosol Composition, and Halogens on a Tall Tower campaign (February-March 2011) near Boulder, Colorado, investigated nighttime ClNO2 production and processing. Virtually all particulate Cl was in the form of ionic Cl-. The size distrib...
      File Type:
      Filetype[PDF - 1.42 MB]
    7. The impact of current CH4 and N2O atmospheric loss process uncertainties on calculated ozone abundances and trends
      Personal Author:
      Fleming, E. L.; George, C.; Heard, D. E.; Jackman, C. H.; Kurylo, M. J.; Mellouki, W.; Orkin, V. L.; Swartz, W. H.; Wallington, T. J.; Wine, P. H.; Burkholder, J. B.;
      Published Date:
      2015
      Source:
      Journal of Geophysical Research-Atmospheres, 120(10), 5267-5293.
      Description:
      The atmospheric loss processes of N2O and CH4, their estimated uncertainties, lifetimes, and impacts on ozone abundance and long-term trends are examined using atmospheric model calculations and updated kinetic and photochemical parameters and uncert...
      File Type:
      Filetype[PDF - 6.81 MB]
    8. Validation of TES ammonia observations at the single pixel scale in the San Joaquin Valley during DISCOVER-AQ
      Personal Author:
      Sun, K.; Cady-Pereira, K.; Miller, D. J.; Tao, L.; Zondlo, M. A.; Nowak, J. B.; Neuman, J. A.; Mikoviny, T.; Muller, M.; Wisthaler, A.; Scarino, A. J.; Hostetler, C. A.;
      Published Date:
      2015
      Source:
      Journal of Geophysical Research-Atmospheres, 120(10), 5140-5154.
      Description:
      Ammonia measurements from a vehicle-based, mobile open-path sensor and those from aircraft were compared with Tropospheric Emission Spectrometer (TES) NH3 columns at the pixel scale during the NASA Deriving Information on Surface conditions from Colu...
      File Type:
      Filetype[PDF - 4.13 MB]
    9. A two-channel, tunable diode laser-based hygrometer for measurement of water vapor and cirrus cloud ice water content in the upper troposphere and lower stratosphere
      Personal Author:
      Thornberry, T. D.; Rollins, A. W.; Gao, R. S.; Watts, L. A.; Ciciora, S. J.; McLaughlin, R. J.; Fahey, D. W.;
      Published Date:
      2015
      Source:
      Atmospheric Measurement Techniques, 8(1), 211-224.
      Description:
      The recently developed NOAA Water instrument is a two-channel, closed-path, tunable diode laser absorption spectrometer designed for the measurement of upper troposphere/lower stratosphere water vapor and enhanced total water (vapor + inertially enha...
      File Type:
      Filetype[PDF - 2.65 MB]
    10. Improving a global model from the boundary layer: Total turbulent energy and the neutral limit Prandtl number
      Personal Author:
      Pithan, F.; Angevine, W.; Mauritsen, T.;
      Published Date:
      2015
      Source:
      Journal of Advances in Modeling Earth Systems, 7(2), 791-805.
      Description:
      Model intercomparisons have identified important deficits in the representation of the stable boundary layer by turbulence parametrizations used in current weather and climate models. However, detrimental impacts of more realistic schemes on the larg...
      File Type:
      Filetype[PDF - 2.79 MB]
    11. Observation of isoprene hydroxynitrates in the southeastern United States and implications for the fate of NOx
      Personal Author:
      Xiong, F.; McAvey, K. M.; Pratt, K. A.; Groff, C. J.; Hostetler, M. A.; Lipton, M. A.; Starn, T. K.; Seeley, J. V.; Bertman, S. B.; Teng, A. P.; Crounse, J. D.; Nguyen, T. B.; Wennberg, P. O.; Misztal, P. K.; Goldstein, A. H.; Guenther, A. B.; Koss, A. R.; Olson, K. F.; de Gouw, J. A.; Baumann, K.; Edgerton, E. S.; Feiner, P. A.; Zhang, L.; Miller, D. O.; Brune, W. H.; Shepson, P. B.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(19), 11257-11272.
      Description:
      Isoprene hydroxynitrates (IN) are tracers of the photochemical oxidation of isoprene in high NOx environments. Production and loss of IN have a significant influence on the NOx cycle and tropospheric O-3 chemistry. To better understand IN chemistry, ...
      File Type:
      Filetype[PDF - 698.09 KB]
    12. VOC species and emission inventory from vehicles and their SOA formation potentials estimation in Shanghai, China
      Personal Author:
      Huang, C.; Wang, H. L.; Li, L.; Wang, Q.; Lu, Q.; de Gouw, J. A.; Zhou, M.; Jing, S. A.; Lu, J.; Chen, C. H.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(19), 11081-11096.
      Description:
      Volatile organic compound (VOC) species from vehicle exhausts and gas evaporation were investigated by chassis dynamometer and on-road measurements of nine gasoline vehicles, seven diesel vehicles, five motorcycles, and four gas evaporation samples. ...
      File Type:
      Filetype[PDF - 1.18 MB]
    13. Particulate organic nitrates observed in an oil and natural gas production region during wintertime
      Personal Author:
      Lee, L.; Wooldridge, P. J.; deGouw, J.; Brown, S. S.; Bates, T. S.; Quinn, P. K.; Cohen, R. C.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(16), 9313-9325.
      Description:
      Organic nitrates in both gas and condensed (aerosol) phases were measured during the Uintah Basin Winter Ozone Study from January to February in 2012. A high degree of correlation between total aerosol volume at diameters less than 500 nm and the par...
      File Type:
      Filetype[PDF - 1.29 MB]
    14. On the reversibility of transitions between closed and open cellular convection
      Personal Author:
      Feingold, G.; Koren, I.; Yamaguchi, T.; Kazil, J.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(13), 7351-7367.
      Description:
      The two-way transition between closed and open cellular convection is addressed in an idealized cloud-resolving modeling framework. A series of cloud-resolving simulations shows that the transition between closed and open cellular states is asymmetri...
      File Type:
      Filetype[PDF - 5.79 MB]
    15. Measurements of light-absorbing particles on the glaciers in the Cordillera Blanca, Peru
      Personal Author:
      Schmitt, C. G.; All, J. D.; Schwarz, J. P.; Arnott, W. P.; Cole, R. J.; Lapham, E.; Celestian, A.;
      Published Date:
      2015
      Source:
      Cryosphere, 9(1), 331-340.
      Description:
      Glaciers in the tropical Andes have been rapidly losing mass since the 1970s. In addition to the documented increase in temperature, increases in light-absorbing particles deposited on glaciers could be contributing to the observed glacier loss. Here...
      File Type:
      Filetype[PDF - 2.37 MB]
    16. HTAP_v2.2: a mosaic of regional and global emission grid maps for 2008 and 2010 to study hemispheric transport of air pollution
      Personal Author:
      Janssens-Maenhout, G.; Crippa, M.; Guizzardi, D.; Dentener, F.; Muntean, M.; Pouliot, G.; Keating, T.; Zhang, Q.; Kurokawa, J.; Wankmuller, R.; van der Gon, H. D.; Kuenen, J. J. P.; Klimont, Z.; Frost, G.; Darras, S.; Koffi, B.; Li, M.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(19), 11411-11432.
      Description:
      The mandate of the Task Force Hemispheric Transport of Air Pollution (TF HTAP) under the Convention on Long-Range Transboundary Air Pollution (CLRTAP) is to improve the scientific understanding of the intercontinental air pollution transport, to quan...
      File Type:
      Filetype[PDF - 3.54 MB]
    17. Aqueous-phase oligomerization of methyl vinyl ketone through photooxidation - Part 2: Development of the chemical mechanism and atmospheric implications
      Personal Author:
      Ervens, B.; Renard, P.; Tlili, S.; Ravier, S.; Clement, J. L.; Monod, A.;
      Published Date:
      2015
      Source:
      Atmospheric Chemistry and Physics, 15(16), 9109-9127.
      Description:
      Laboratory experiments of efficient oligomerization from methyl vinyl ketone (MVK) in the bulk aqueous phase were simulated in a box model. Kinetic data are applied (if known) or fitted to the observed MVK decay and oligomer mass increase. Upon model...
      File Type:
      Filetype[PDF - 1.93 MB]
    18. Towards validation of ammonia (NH3) measurements from the IASI satellite
      Personal Author:
      Van Damme, M.; Clarisse, L.; Dammers, E.; Liu, X.; Nowak, J. B.; Clerbaux, C.; Flechard, C. R.; Galy-Lacaux, C.; Xu, W.; Neuman, J. A.; Tang, Y. S.; Sutton, M. A.; Erisman, J. W.; Coheur, P. F.;
      Published Date:
      2015
      Source:
      Atmospheric Measurement Techniques, 8(3), 1575-1591.
      Description:
      Limited availability of ammonia (NH3) observations is currently a barrier for effective monitoring of the nitrogen cycle. It prevents a full understanding of the atmospheric processes in which this trace gas is involved and therefore impedes determin...
      File Type:
      Filetype[PDF - 4.36 MB]
    19. Convective transport of formaldehyde to the upper troposphere and lower stratosphere and associated scavenging in thunderstorms over the central United States during the 2012DC3 study
      Personal Author:
      Fried, A.; Barth, M. C.; Bela, M.; Weibring, P.; Richter, D.; Walega, J.; Li, Y.; Pickering, K.; Apel, E.; Hornbrook, R.; Hills, A.; Riemer, D. D.; Blake, N.; Blake, D. R.; Schroeder, J. R.; Luo, Z. J.; Crawford, J. H.; Olson, J.; Rutledge, S.; Betten, D.; Biggerstaff, M. I.; Diskin, G. S.; Sachse, G.; Campos, T.; Flocke, F.; Weinheimer, A.; Cantrell, C.; Pollack, I.; Peischl, J.; Froyd, K.; Wisthaler, A.; Mikoviny, T.; Woods, S.;
      Published Date:
      2016
      Source:
      Journal of Geophysical Research-Atmospheres, 121(12), 7430-7460.
      Description:
      We have developed semi-independent methods for determining CH2O scavenging efficiencies (SEs) during strong midlatitude convection over the western, south-central Great Plains, and southeastern regions of the United States during the 2012 Deep Convec...
      File Type:
      Filetype[PDF - 6.51 MB]
    20. Description and evaluation of tropospheric chemistry and aerosols in the Community Earth System Model (CESM1.2)
      Personal Author:
      Tilmes, S.; Lamarque, J. F.; Emmons, L. K.; Kinnison, D. E.; Ma, P. L.; Liu, X.; Ghan, S.; Bardeen, C.; Arnold, S.; Deeter, M.; Vitt, F.; Ryerson, T.; Elkins, J. W.; Moore, F.; Spackman, J. R.; Martin, M. V.;
      Published Date:
      2015
      Source:
      Geoscientific Model Development, 8(5), 1395-1426.
      Description:
      The Community Atmosphere Model (CAM), version 5, is now coupled to extensive tropospheric and stratospheric chemistry, called CAM5-chem, and is available in addition to CAM4-chem in the Community Earth System Model (CESM) version 1.2. The main focus ...
      File Type:
      Filetype[PDF - 3.96 MB]
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