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Measurements of hydroxyl and hydroperoxy radicals during CalNex-LA: Model comparisons and radical budgets
  • Published Date:
    2016
  • Source:
    Journal of Geophysical Research-Atmospheres, 121(8), 4211-4232.
Filetype[PDF-1.83 MB]


Details:
  • Supporting Files:
    No Additional Files
    1. Top-down constraints on global N2O emissions at optimal resolution: application of a new dimension reduction technique
      Personal Author:
      Wells, K. C.; Millet, D. B.; Bousserez, N.; Henze, D. K.; Griffis, T. J.; Chaliyakunnel, S.; Dlugokencky, E. J.; Saikawa, E.; Xiang, G.; Prinn, R. G.; O'Doherty, S.; Young, D.; Weiss, R. F.; Dutton, G. S.; Elkins, J. W.; Krummel, P. B.; Langenfelds, R.; Steele, L. P.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(2), 735-756.
      Description:
      We present top-down constraints on global monthly N2O emissions for 2011 from a multi-inversion approach and an ensemble of surface observations. The inversions employ the GEOS-Chem adjoint and an array of aggregation strategies to test how well curr...
      File Type:
      Filetype[PDF - 8.33 MB]
    2. Does vapor pressure deficit drive the seasonality of delta C-13 of the net land-atmosphere CO2 exchange across the United States?
      Personal Author:
      Raczka, B.; Biraud, S. C.; Ehleringer, J. R.; Lai, C. T.; Miller, J. B.; Pataki, D. E.; Saleska, S. R.; Torn, M. S.; Vaughn, B. H.; Wehr, R.; Bowling, D. R.;
      Published Date:
      2017
      Source:
      Journal of Geophysical Research-Biogeosciences, 122(8), 1969-1987.
      Description:
      The seasonal pattern of the carbon isotope content (delta C-13) of atmospheric CO2 depends on local and nonlocal land-atmosphere exchange and atmospheric transport. Previous studies suggested that the delta C-13 of the net land-atmosphere CO2 flux (d...
      File Type:
      Filetype[PDF - 1.87 MB]
    3. Performance Analysis and Projected Changes of Agroclimatological Indices Across West Africa Based on High-Resolution Regional Climate Model Simulations
      Personal Author:
      Dieng, D.; Laux, P.; Smiatek, G.; Heinzeller, D.; Bliefernicht, J.; Sarr, A.; Gaye, A. T.; Kunstmann, H.;
      Published Date:
      2018
      Source:
      Journal of Geophysical Research-Atmospheres, 123(15), 7950-7973.
      Description:
      In this study, we analyze a set of agroclimatological indices across West Africa and assess their projected changes for the future. We apply the regional climate model CCLM (COnsortium for Small-scale MOdelling in CLimate Mode) with a high spatial re...
      File Type:
      Filetype[PDF - 11.77 MB]
    4. NOx Lifetime and NOy Partitioning During WINTER
      Personal Author:
      Kenagy, H. S.; Sparks, T. L.; Ebben, C. J.; Wooldrige, P. J.; Lopez-Hilfiker, F. D.; Lee, B. H.; Thornton, J. A.; McDuffie, E. E.; Fibiger, D. L.; Brown, S. S.; Montzka, D. D.; Weinheimer, A. J.; Schroder, J. C.; Campuzano-Jost, P.; Day, D. A.; Jimenez, J. L.; Dibb, J. E.; Campos, T.; Shah, V.; Jaegle, L.; Cohen, R. C.;
      Published Date:
      2018
      Source:
      Journal of Geophysical Research-Atmospheres, 123(17), 9813-9827.
      Description:
      Although urban NOx lifetimes have been examined extensively during summertime conditions, wintertime NOx chemistry has been comparatively less studied. We use measurements of NOx and its oxidation products from the aircraft-based WINTER (Wintertime I...
      File Type:
      Filetype[PDF - 1.74 MB]
    5. Observation of viscosity transition in alpha-pinene secondary organic aerosol
      Personal Author:
      Jarvinen, E.; Ignatius, K.; Nichman, L.; Kristensen, T. B.; Fuchs, C.; Hoyle, C. R.; Hoppel, N.; Corbin, J. C.; Craven, J.; Duplissy, J.; Ehrhart, S.; El Haddad, I.; Frege, C.; Gordon, H.; Jokinen, T.; Kallinger, P.; Kirkby, J.; Kiselev, A.; Naumann, K. H.; Petaja, T.; Pinterich, T.; Prevot, A. S. H.; Saathoff, H.; Schiebel, T.; Sengupta, K.; Simon, M.; Slowik, J. G.; Trostl, J.; Virtanen, A.; Vochezer, P.; Vogt, S.; Wagner, A. C.; Wagner, R.; Williamson, C.; Winkler, P. M.; Yan, C.; Baltensperger, U.; Donahue, N. M.; Flagan, R. C.; Gallagher, M.; Hansel, A.; Kulmala, M.; Stratmann, F.; Worsnop, D. R.; Mohler, O.; Leisner, T.; Schnaiter, M.;
      Published Date:
      2016
      Source:
      Atmospheric Chemistry and Physics, 16(7), 4423-4438.
      Description:
      Under certain conditions, secondary organic aerosol (SOA) particles can exist in the atmosphere in an amorphous solid or semi-solid state. To determine their relevance to processes such as ice nucleation or chemistry occurring within particles requir...
      File Type:
      Filetype[PDF - 3.46 MB]
    6. Quantifying the vertical transport of CHBr3 and CH2Br2 over the western Pacific
      Personal Author:
      Butler, R.; Palmer, P. I.; Feng, L.; Andrews, S. J.; Atlas, E. L.; Carpenter, L. J.; Donets, V.; Harris, N. R. P.; Montzka, S. A.; Pan, L. L.; Salawitch, R. J.; Schauffler, S. M.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(17), 13135-13153.
      Description:
      We use the GEOS-Chem global 3-D atmospheric chemistry transport model to interpret atmospheric observations of bromoform (CHBr3) and dibromomethane (CH2Br2) collected during the CAST and CONTRAST aircraft measurement campaigns over the western Pacifi...
      File Type:
      Filetype[PDF - 6.69 MB]
    7. 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]
    8. 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]
    9. Nighttime chemistry at a high altitude site above Hong Kong
      Personal Author:
      Brown, S. S.; Dube, W. P.; Tham, Y. J.; Zha, Q. Z.; Xue, L. K.; Poon, S.; Wang, Z.; Blake, D. R.; Tsui, W.; Parrish, D. D.; Wang, T.;
      Published Date:
      2016
      Source:
      Journal of Geophysical Research-Atmospheres, 121(5), 2457-2475.
      Description:
      Nighttime reactions of nitrogen oxides influence ozone, volatile organic compounds, and aerosol and are thus important to the understanding of regional air quality. Despite large emissions and rapid recent growth of nitrogen oxide concentrations, the...
      File Type:
      Filetype[PDF - 7.20 MB]
    10. Derivation of Soil Moisture Recovery Relation Using Soil Conservation Service (SCS) Curve Number Method
      Personal Author:
      Kim, J.; Johnson, L. E.; Cifelli, R.; Choi, J.; Chandrasekar, V.;
      Published Date:
      2018
      Source:
      Water, 10(7), 21.
      Description:
      Soil moisture retention (SMR) capacity plays a key role in estimating the direct runoff when a multi-pulse storm event occurs. It is very important to know how much SMR will be recovered during the intervals of no rain of a multi-pulse storm. This st...
      File Type:
      Filetype[PDF - 7.02 MB]
    11. Estimation of Rain Rate from Airborne Doppler W-Band Radar in CalWater-2
      Personal Author:
      Fairall, C. W.; Matrosov, S. Y.; Williams, C. R.; Walsh, E. J.;
      Published Date:
      2018
      Source:
      Journal of Atmospheric and Oceanic Technology, 35(3), 593-608.
      Description:
      The NOAA W-band radar was deployed on a P-3 aircraft during a study of storm fronts off the U.S. West Coast in 2015 in the second CalWater (CalWater-2) field program. This paper presents an analysis of measured equivalent radar reflectivity factor Z(...
      File Type:
      Filetype[PDF - 1.81 MB]
    12. Influence of Common Assumptions Regarding Aerosol Composition and Mixing State on Predicted CCN Concentration
      Personal Author:
      Mahish, M.; Jefferson, A.; Collins, D. R.;
      Published Date:
      2018
      Source:
      Atmosphere, 9(2), 18.
      Description:
      A 4-year record of aerosol size and hygroscopic growth factor distributions measured at the Department of Energy's Southern Great Plains (SGP) site in Oklahoma, U.S. were used to estimate supersaturation (S)-dependent cloud condensation nuclei concen...
      File Type:
      Filetype[PDF - 5.19 MB]
    13. An Examination of an Inland-Penetrating Atmospheric River Flood Event under Potential Future Thermodynamic Conditions
      Personal Author:
      Mahoney, K.; Swales, D.; Mueller, M. J.; Alexander, M.; Hughes, M.; Malloy, K.;
      Published Date:
      2018
      Source:
      Journal of Climate, 31(16), 6281-6297.
      Description:
      Atmospheric rivers (ARs) are well-known producers of precipitation along the U.S. West Coast. Depending on their intensity, orientation, and location of landfall, some ARs penetrate inland and cause heavy rainfall and flooding hundreds of miles from ...
      File Type:
      Filetype[PDF - 4.56 MB]
    14. Detecting changes in Arctic methane emissions: limitations of the inter-polar difference of atmospheric mole fractions
      Personal Author:
      Dimdore-Miles, O. B.; Palmer, P. I.; Bruhwiler, L. P.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(24), 17895-17907.
      Description:
      We consider the utility of the annual inter-polar difference (IPD) as a metric for changes in Arctic emissions of methane (CH4). The IPD has been previously defined as the difference between weighted annual means of CH4 mole fraction data collected a...
      File Type:
      Filetype[PDF - 1.47 MB]
    15. Widespread Reemergence of Sea Surface Temperature Anomalies in the Global Oceans, Including Tropical Regions Forced by Reemerging Winds
      Personal Author:
      Byju, P.; Dommenget, D.; Alexander, M. A.;
      Published Date:
      2018
      Source:
      Geophysical Research Letters, 45(15), 7683-7691.
      Description:
      Sea surface temperature anomalies (SSTA) in portions of the extratropics are known to recur from one winter to the next without persisting through the intervening summer. Previous studies identified only a limited number of midlatitude regions where ...
      File Type:
      Filetype[PDF - 1.26 MB]
    16. Building evidence around ghost gear: Global trends and analysis for sustainable solutions at scale
      Personal Author:
      Richardson, K.; Asmutis-Silvia, R.; Drinkwin, J.; Gilardi, K. V. K.; Giskes, I.; Jones, G.; O'Brien, K.; Pragnell-Raasch, H.; Ludwig, L.; Antonelis, K.; Barco, S.; Henry, A.; Knowlton, A.; Landry, S.; Mattila, D.; MacDonald, K.; Moore, M.; Morgan, J.; Robbins, J.; van der Hoop, J.; Hogan, E.;
      Published Date:
      2019
      Source:
      Marine Pollution Bulletin, 138, 222-229.
      Description:
      Abandoned, lost or discarded fishing gear (ALDFG) comprises a significant amount of global marine debris, with diverse impacts to marine environments, wildlife, and the fishing industry. Building evidence on ALDFG is critical to holistically understa...
      File Type:
      Filetype[PDF - 1.13 MB]
    17. Episodic Reversal of Autumn Ice Advance Caused by Release of Ocean Heat in the Beaufort Sea
      Personal Author:
      Smith, M.; Stammerjohn, S.; Persson, O.; Rainville, L.; Liu, G. Q.; Perrie, W.; Robertson, R.; Jackson, J.; Thomson, J.;
      Published Date:
      2018
      Source:
      Journal of Geophysical Research-Oceans, 123(5), 3164-3185.
      Description:
      High-resolution measurements of the air-ice-ocean system during an October 2015 event in the Beaufort Sea demonstrate how stored ocean heat can be released to temporarily reverse seasonal ice advance. Strong on-ice winds over a vast fetch caused mixi...
      File Type:
      Filetype[PDF - 2.34 MB]
    18. Characterization of organic residues of size-resolved fog droplets and their atmospheric implications
      Personal Author:
      Chakraborty, A.; Ervens, B.; Gupta, T.; Tripathi, S. N.;
      Published Date:
      2016
      Source:
      Journal of Geophysical Research-Atmospheres, 121(8), 4317-4332.
      Description:
      Size-resolved fog water samples were collected in two consecutive winters at Kanpur, a heavily polluted urban area of India. Samples were analyzed by an aerosol mass spectrometer after drying and directly in other instruments. Residues of fine fog dr...
      File Type:
      Filetype[PDF - 724.45 KB]
    19. Sources, seasonality, and trends of southeast US aerosol: an integrated analysis of surface, aircraft, and satellite observations with the GEOS-Chem chemical transport model
      Personal Author:
      Kim, P. S.; Jacob, D. J.; Fisher, J. A.; Travis, K.; Yu, K.; Zhu, L.; Yantosca, R. M.; Sulprizio, M. P.; Jimenez, J. L.; Campuzano-Jost, P.; Froyd, K. D.; Liao, J.; Hair, J. W.; Fenn, M. A.; Butler, C. F.; Wagner, N. L.; Gordon, T. D.; Welti, A.; Wennberg, P. O.; Crounse, J. D.; St. Clair, J. M.; Teng, A. P.; Millet, D. B.; Schwarz, J. P.; Markovic, M. Z.; Perring, A. E.;
      Published Date:
      2015
      Source:
      Atmos. Chem. Phys., 15(18), 10411-10433.
      File Type:
      Filetype[PDF - 4.19 MB]
    20. Characterization of cumulus cloud fields using trajectories in the center of gravity versus water mass phase space: 1. Cloud tracking and phase space description
      Personal Author:
      Heiblum, R. H.; Altaratz, O.; Koren, I.; Feingold, G.; Kostinski, A. B.; Khain, A. P.; Ovchinnikov, M.; Fredj, E.; Dagan, G.; Pinto, L.; Yaish, R.; Chen, Q.;
      Published Date:
      2016
      Source:
      Journal of Geophysical Research-Atmospheres, 121(11), 6336-6355.
      Description:
      We study the evolution of warm convective cloud fields using large eddy simulations of continental and trade cumulus. Individual clouds are tracked a posteriori from formation to dissipation using a 3-D cloud-tracking algorithm, and results are prese...
      File Type:
      Filetype[PDF - 5.27 MB]
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