Geophysical Research Letters


Geophysical Research Letters

Special Section - Aviation Climate Impacts

  1. Atmospheric Science

    1. Top of page
    2. Atmospheric Science
    3. Regular Articles
    1. You have free access to this content
      Simulation of the global contrail radiative forcing: A sensitivity analysis

      Bingqi Yi, Ping Yang, Kuo-Nan Liou, Patrick Minnis and Joyce E. Penner

      Article first published online: 22 DEC 2012 | DOI: 10.1029/2012GL054042

      Key Points

      • The annual 2006 mean shortwave, longwave, and net contrail radiative forcings
      • Regional contrail radiative forcing can be large
      • Microphysical properties of contrail particles are important
    2. You have full text access to this OnlineOpen article
      Parameterization of contrail radiative properties for climate studies

      Yu Xie, Ping Yang, Kuo-Nan Liou, Patrick Minnis and David P. Duda

      Article first published online: 20 DEC 2012 | DOI: 10.1029/2012GL054043

      Key Points

      • MODIS and CALIPSO data are used
      • A contrail particle shape model is developed
      • A new contrail property parameterization is developed
  2. Regular Articles

    1. Top of page
    2. Atmospheric Science
    3. Regular Articles
    1. Atmospheric Science

      Comparison of model estimates of the effects of aviation emissions on atmospheric ozone and methane (pages 6004–6009)

      Seth C. Olsen, Guy P. Brasseur, Donald J. Wuebbles, Steven R. H. Barrett, Hongyan Dang, Sebastian D. Eastham, Mark Z. Jacobson, Arezoo Khodayari, Henry Selkirk, Andrei Sokolov and Nadine Unger

      Article first published online: 26 NOV 2013 | DOI: 10.1002/2013GL057660

      Key Points

      • Effect of aviation on ozone is more uncertain than previously thought
      • Large differences between state-of-the-art model estimates of aviation effects
      • Aviation NOx ozone effects are nonlinear at high NOx emissions
    2. Effects of plume-scale versus grid-scale treatment of aircraft exhaust photochemistry (pages 5815–5820)

      Mary A. Cameron, Mark Z. Jacobson, Alexander D. Naiman and Sanjiva K. Lele

      Article first published online: 8 NOV 2013 | DOI: 10.1002/2013GL057665

      Key Points

      • For some species, plume-scale and grid-scale differences did not diminish over time
      • Multiple flights enhanced the plume-scale and grid-scale treatment differences
      • Plume-scale treatment decreased O3 production and CH4, CO destruction
    3. You have free access to this content
      Mid-21st century chemical forcing of climate by the civil aviation sector (pages 641–645)

      Nadine Unger, Yupu Zhao and Hongyan Dang

      Article first published online: 11 FEB 2013 | DOI: 10.1002/grl.50161

      Key Points

      • Assess 2050 global net chemical climate impact of aviation for new scenarios
      • Aviation net chemical climate impact is a global cooling in present and future
      • Aviation CH4 and nitrate forcing is strongly nonlinear in NOx emission changes
    4. You have free access to this content
      Estimation of 2006 Northern Hemisphere contrail coverage using MODIS data (pages 612–617)

      David P. Duda, Patrick Minnis, Konstantin Khlopenkov, Thad L. Chee and Robyn Boeke

      Article first published online: 6 FEB 2013 | DOI: 10.1002/grl.50097

      Key Points

      • The first global estimate of contrail coverage with a single satellite imager
      • First use of flight track data to reduce false detections in coverage estimate
      • Less coverage observed over heavy air traffic areas with overlapping contrails
    5. ATMOSPHERIC SCIENCE

      You have free access to this content
      On the radiative forcing of contrail cirrus contaminated by black carbon (pages 778–784)

      K. N. Liou, Y. Takano, Q. Yue and P. Yang

      Article first published online: 27 FEB 2013 | DOI: 10.1002/grl.50110

      Key Points

      • Black carbon can substantially impact the radiative forcing of contrail cirrus
      • Internal mixing of BC in ice can alter its absorption of solar radiation
      • Radiative forcing analysis for contrail must account for BC contamination
    6. You have free access to this content
      Properties of linear contrails in the Northern Hemisphere derived from 2006 Aqua MODIS observations (pages 772–777)

      Sarah T. Bedka, Patrick Minnis, David P. Duda, Thad L. Chee and Rabindra Palikonda

      Article first published online: 27 FEB 2013 | DOI: 10.1029/2012GL054363

      Key Points

      • Quantify contrail properties on a broad scale using 1 year of satellite data
      • Contrail properties are dependent on background
      • Contrail properties vary seasonally but not diurnally
    7. Climate

      The climate impact of aviation aerosols (pages 2785–2789)

      A. Gettelman and C. Chen

      Article first published online: 6 JUN 2013 | DOI: 10.1002/grl.50520

      Key Points

      • Aviation Aerosol Impacts affect liquid clouds below flight levels
      • Effect is mostly a cooling due to SO4 emissions
      • Cooling is larger than expected warming from contrails
    8. You have free access to this content
      Contrail radiative forcing over the Northern Hemisphere from 2006 Aqua MODIS data (pages 595–600)

      Douglas A. Spangenberg, Patrick Minnis, Sarah T. Bedka, Rabindra Palikonda, David P. Duda and Fred G. Rose

      Article first published online: 11 FEB 2013 | DOI: 10.1002/grl.50168

      Key Points

      • Contrail radiative forcing over NH is smaller than most model estimates
      • Contrail radiative forcing depends on background and is defined accurately here
      • Maximum control radiative forcing occurs over the North Atlantic

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