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Quantifying the contribution of thermally driven recirculation to a high-ozone event along the Colorado Front Range using lidar
  • Published Date:
    2016
  • Source:
    Journal of Geophysical Research-Atmospheres, 121(17), 10377-10390.
Filetype[PDF-3.56 MB]


Details:
  • Supporting Files:
    No Additional Files
    1. Estimating regional-scale methane flux and budgets using CARVE aircraft measurements over Alaska
      Personal Author:
      Hartery, S.; Commane, R.; Lindaas, J.; Sweeney, C.; Henderson, J.; Mountain, M.; Steiner, N.; McDonald, K.; Dinardo, S. J.; Miller, C. E.; Wofsy, S. C.; Chang, R. Y. W.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(1), 185-202.
      Description:
      Methane (CH4) is the second most important greenhouse gas but its emissions from northern regions are still poorly constrained. In this study, we analyze a subset of in situ CH4 aircraft observations made over Alaska during the growing seasons of 201...
      File Type:
      Filetype[PDF - 892.16 KB]
    2. Utilizing the Drake Passage Time-series to understand variability and change in subpolar Southern Ocean pCO(2)
      Personal Author:
      Fay, A. R.; Lovenduski, N. S.; McKinley, G. A.; Munro, D. R.; Sweeney, C.; Gray, A. R.; Landschutzer, P.; Stephens, B. B.; Takahashi, T.; Williams, N.;
      Published Date:
      2018
      Source:
      Biogeosciences, 15(12), 3841-3855.
      Description:
      The Southern Ocean is highly under-sampled for the purpose of assessing total carbon uptake and its variability. Since this region dominates the mean global ocean sink for anthropogenic carbon, understanding temporal change is critical. Underway meas...
      File Type:
      Filetype[PDF - 4.24 MB]
    3. Contrasting the Antarctic and Arctic Atmospheric Responses to Projected Sea Ice Loss in the Late Twenty-First Century
      Personal Author:
      England, M.; Polvani, L.; Sun, L. T.;
      Published Date:
      2018
      Source:
      Journal of Climate, 31(16), 6353-6370.
      Description:
      Models project that Antarctic sea ice area will decline considerably by the end of this century, but the consequences remain largely unexplored. Here, the atmospheric response to future sea ice loss in the Antarctic is investigated, and contrasted to...
      File Type:
      Filetype[PDF - 5.82 MB]
    4. 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]
    5. 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]
    6. A case study comparing citizen science aurora data with global auroral boundaries derived from satellite imagery and empirical models
      Personal Author:
      Kosar, B. C.; MacDonald, E. A.; Case, N. A.; Zhang, Y. L.; Mitchell, E. J.; Viereck, R.;
      Published Date:
      2018
      Source:
      Journal of Atmospheric and Solar-Terrestrial Physics, 177, 274-282.
      Description:
      Aurorasaurus is a citizen science project that offers a new, global data source consisting of ground-based reports of the aurora. For this case study, aurora data collected during the 17-18 March 2015 geomagnetic storm are examined to identify their ...
      File Type:
      Filetype[PDF - 2.37 MB]
    7. The role of scientific expertise in local adaptation to projected sea level rise
      Personal Author:
      Hayes, A. L.; Heery, E. C.; Maroon, E.; McLaskey, A. K.; Stawitz, C. C.;
      Published Date:
      2018
      Source:
      Environmental Science & Policy, 87, 55-63.
      Description:
      Adaptation to sea level rise (SLR) is primarily taking place at the local level, with varied governments grappling with the diverse ways that SLR will affect cities. Interpreting SLR in the context of local planning requires integrating knowledge acr...
      File Type:
      Filetype[PDF - 1.09 MB]
    8. Urbanization and air pollution: Then and now
      Personal Author:
      Parrish, D. D.; Stockwell, W. R.;
      Published Date:
      2015
      Source:
      EOS: Earth & Space Science News, 96, 10-15.
      Description:
      Analysis of decades of mitigation efforts in Los Angeles demonstrates that air quality in megacities can be greatly improved.
      File Type:
      Filetype[PDF - 3.76 MB]
    9. 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]
    10. 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]
    11. Ocean Warming FROM THE SURFACE TO THE DEEP IN OBSERVATIONS AND MODELS
      Personal Author:
      Durack, P. J.; Gleckler, P. J.; Purkey, S. G.; Johnson, G. C.; Lyman, J. M.; Boyer, T. P.;
      Published Date:
      2018
      Source:
      Oceanography, 31(2), 41-51.
      Description:
      The ocean is the primary heat sink of the global climate system. Since 1971, it has been responsible for storing more than 90% of the excess heat added to the Earth system by anthropogenic greenhouse-gas emissions. Adding this heat to the ocean contr...
      File Type:
      Filetype[PDF - 1.88 MB]
    12. Ultraviolet radiation modelling from ground-based and satellite measurements on Reunion Island, southern tropics
      Personal Author:
      Lamy, K.; Portafaix, T.; Brogniez, C.; Godin-Beekmann, S.; Bencherif, H.; Morel, B.; Pazmino, A.; Metzger, J. M.; Auriol, F.; Deroo, C.; Duflot, V.; Goloub, P.; Long, C. N.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(1), 227-246.
      Description:
      Surface ultraviolet radiation (SUR) is not an increasing concern after the implementation of the Montreal Protocol and the recovery of the ozone layer (Morgenstern et al., 2008). However, large uncertainties remain in the prediction of future changes...
      File Type:
      Filetype[PDF - 5.90 MB]
    13. 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]
    14. 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]
    15. High-resolution inversion of methane emissions in the Southeast US using SEAC(4)RS aircraft observations of atmospheric methane: anthropogenic and wetland sources
      Personal Author:
      Sheng, J. X.; Jacob, D. J.; Turner, A. J.; Maasakkers, J. D.; Sulprizio, M. P.; Bloom, A. A.; Andrews, A. E.; Wunch, D.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(9), 6483-6491.
      Description:
      We use observations of boundary layer methane from the SEAC(4)RS aircraft campaign over the Southeast US in August-September 2013 to estimate methane emissions in that region through an inverse analysis with up to 0.25 degrees x 0.3125 degrees (25 x ...
      File Type:
      Filetype[PDF - 993.12 KB]
    16. Object-Based Verification of a Prototype Warn-on-Forecast System
      Personal Author:
      Skinner, P. S.; Wheatley, D. M.; Knopfmeier, K. H.; Reinhart, A. E.; Choate, J. J.; Jones, T. A.; Creager, G. J.; Dowell, D. C.; Alexander, C. R.; Ladwig, T. T.; Wicker, L. J.; Heinselman, P. L.; Minnis, P.; Palikonda, R.;
      Published Date:
      2018
      Source:
      Weather and Forecasting, 33(5), 1225-1250.
      Description:
      An object-based verification methodology for the NSSL Experimental Warn-on-Forecast System for ensembles (NEWS-e) has been developed and applied to 32 cases between December 2015 and June 2017. NEWS-e forecast objects of composite reflectivity and 30...
      File Type:
      Filetype[PDF - 5.11 MB]
    17. Equatorial Waves and the Skill of NCEP and ECMWF Numerical Weather Prediction Systems
      Personal Author:
      Dias, J.; Gehne, M.; Kiladis, G. N.; Sakaeda, N.; Bechtold, P.; Haiden, T.;
      Published Date:
      2018
      Source:
      Monthly Weather Review, 146(6), 1763-1784.
      Description:
      Despite decades of research on the role of moist convective processes in large-scale tropical dynamics, tropical forecast skill in operational models is still deficient when compared to the extratropics, even at short lead times. Here we compare trop...
      File Type:
      Filetype[PDF - 6.54 MB]
    18. The influence of local oil exploration and regional wildfires on summer 2015 aerosol over the North Slope of Alaska
      Personal Author:
      Creamean, J. M.; Maahn, M.; de Boer, G.; McComiskey, A.; Sedlacek, A. J.; Feng, Y.;
      Published Date:
      2018
      Source:
      Atmospheric Chemistry and Physics, 18(2), 555-570.
      Description:
      The Arctic is warming at an alarming rate, yet the processes that contribute to the enhanced warming are not well understood. Arctic aerosols have been targeted in studies for decades due to their consequential impacts on the energy budget, both dire...
      File Type:
      Filetype[PDF - 13.21 MB]
    19. 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]
    20. 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]
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