About: Modeling the present and future impact of aviation on climate: an AOGCM approach with online coupled chemistry     Goto   Sponge   NotDistinct   Permalink

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  • Our work is among the first that use an atmosphere-ocean general circulation model (AOGCM) with online chemistry to evaluate the impact of future aviation emissions on temperature. Other particularities of our study include non-scaling to the aviation emissions, and the analysis of models' transient response using ensemble simulations. The model we use is the Meteo-France CNRM-CM5.1 earth system model extended with the REPROBUS chemistry scheme. The time horizon of our interest is 1940-2100, assuming the A1B SRES scenario. We investigate the present and future impact of aviation emissions of CO2, NOx and H2O on climate, taking into account changes in greenhouse gases, contrails and contrail-induced cirrus (CIC). As in many transport-related impact studies, we distinguish between the climate impacts of CO2 emissions and those of non-CO2 emissions. Aviation-produced aerosol is not considered in the study. Our modeling system simulated a notable sea-ice bias in the Arctic, and therefore results concerning the surface should be viewed with caution. The global averaged near-surface CO2 impact reaches around 0.1 K by the end of the 21st century, while the non-CO2 impact reaches 0.2 K in the second half of the century. The NOx emissions impact is almost negligible in our simulations, as our aviation-induced ozone production is small. As a consequence, the non-CO2 signal is very similar to the CIC signal. The seasonal analysis shows that the strongest warming due to aviation is modeled for the late summer and early autumn. In the stratosphere, a significant cooling is attributed to aviation CO2 emissions (-0.25 K by 2100). A -0.3 K temperature decrease is modeled when considering all the aviation emissions, but no significant signal appears from the CIC or NOx forcings in the stratosphere.
  • Our work is among the first that use an atmosphere-ocean general circulation model (AOGCM) with online chemistry to evaluate the impact of future aviation emissions on temperature. Other particularities of our study include non-scaling to the aviation emissions, and the analysis of models' transient response using ensemble simulations. The model we use is the Meteo-France CNRM-CM5.1 earth system model extended with the REPROBUS chemistry scheme. The time horizon of our interest is 1940-2100, assuming the A1B SRES scenario. We investigate the present and future impact of aviation emissions of CO2, NOx and H2O on climate, taking into account changes in greenhouse gases, contrails and contrail-induced cirrus (CIC). As in many transport-related impact studies, we distinguish between the climate impacts of CO2 emissions and those of non-CO2 emissions. Aviation-produced aerosol is not considered in the study. Our modeling system simulated a notable sea-ice bias in the Arctic, and therefore results concerning the surface should be viewed with caution. The global averaged near-surface CO2 impact reaches around 0.1 K by the end of the 21st century, while the non-CO2 impact reaches 0.2 K in the second half of the century. The NOx emissions impact is almost negligible in our simulations, as our aviation-induced ozone production is small. As a consequence, the non-CO2 signal is very similar to the CIC signal. The seasonal analysis shows that the strongest warming due to aviation is modeled for the late summer and early autumn. In the stratosphere, a significant cooling is attributed to aviation CO2 emissions (-0.25 K by 2100). A -0.3 K temperature decrease is modeled when considering all the aviation emissions, but no significant signal appears from the CIC or NOx forcings in the stratosphere. (en)
Title
  • Modeling the present and future impact of aviation on climate: an AOGCM approach with online coupled chemistry
  • Modeling the present and future impact of aviation on climate: an AOGCM approach with online coupled chemistry (en)
skos:prefLabel
  • Modeling the present and future impact of aviation on climate: an AOGCM approach with online coupled chemistry
  • Modeling the present and future impact of aviation on climate: an AOGCM approach with online coupled chemistry (en)
skos:notation
  • RIV/00216208:11320/13:10159057!RIV14-MSM-11320___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, S, Z(MSM0021620860)
http://linked.open...iv/cisloPeriodika
  • 19
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 88910
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/13:10159057
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • sensitivity; cirrus; simulations; transport; tropospheric ozone; atmospheric ozone; traffic emissions; general-circulation models; aircraft nox emissions (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [10A6DC32E090]
http://linked.open...i/riv/nazevZdroje
  • Atmospheric Chemistry and Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 13
http://linked.open...iv/tvurceVysledku
  • Halenka, Tomáš
  • Huszár, Peter
  • Alias, A.
  • Cariolle, D.
  • Karcher, F.
  • Melia, D. Salas Y.
  • Michou, M.
  • Olivie, D. J. L.
  • Ricaud, P.
  • Saint-Martin, D.
  • Senesi, S.
  • Teyssedre, H.
  • Voldoire, A.
http://linked.open...ain/vavai/riv/wos
  • 000325654900021
http://linked.open...n/vavai/riv/zamer
issn
  • 1680-7316
number of pages
http://bibframe.org/vocab/doi
  • 10.5194/acp-13-10027-2013
http://localhost/t...ganizacniJednotka
  • 11320
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