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  The response of the middle atmosphere to anthropogenic and natural forcing in the CMIP5 simulations with the MPI-ESM

Schmidt, H., Rast, S., Bunzel, F., Esch, M., Giorgetta, M. A., Kinne, S., et al. (2013). The response of the middle atmosphere to anthropogenic and natural forcing in the CMIP5 simulations with the MPI-ESM. Journal of Advances in Modeling Earth Systems, 5, 98-116. doi:10.1002/jame.20014.

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 Creators:
Schmidt, Hauke1, Author              
Rast, Sebastian1, Author              
Bunzel, Felix1, Author              
Esch, Monika2, Author              
Giorgetta, Marco A.2, Author              
Kinne, Stefan3, Author              
Krismer, Thomas4, 5, Author              
Stenchikov, G., Author
Timmreck, Claudia1, Author              
Tomassini, Lorenzo2, Author              
Walz, M., Author
Affiliations:
1Middle and Upper Atmosphere, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, ou_913574              
2Climate Modelling, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, ou_913569              
3Observations and Process Studies, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, ou_913575              
4Climate Modelling, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, ou_913574              
5IMPRS on Earth System Modelling, MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE, ou_913547              

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 Abstract: The ECHAM6 atmospheric general circulation model is the atmosphere component of the Max Planck Institute Earth System Model (MPI-ESM) that is used in the Coupled Model Intercomparison Project Phase 5 (CMIP5) simulations. As ECHAM6 has its uppermost layer centered at 0.01 hPa in the upper mesosphere, these simulations offer the opportunity to study the middle atmosphere climate change and its relation to the troposphere on the basis of a very comprehensive set of state-of-the-art model simulations. The goals of this paper are (a) to introduce those new features of ECHAM6 particularly relevant for the middle atmosphere, including external forcing data, and (b) to evaluate the simulated middle atmosphere and describe the simulated response to natural and anthropogenic forcings. New features in ECHAM6 with respect to ECHAM5 include a new short-wave radiation scheme, the option to vary spectral irradiance independent of total solar irradiance, and a latitude-dependent gravity-wave source strength. The description of external forcing data focuses on solar irradiance and ozone. Stratospheric temperature trends simulated with the MPI-ESM for the last decades of the 20th century agree well with observations. The future projections depend strongly on the scenario. Under the high emission scenario RCP8.5, simulated temperatures are locally lower by more than 20 K than preindustrial values. Many of the simulated patterns of the responses to natural forcings as provided by solar variability, volcanic aerosols, and El Niño-Southern Oscillation, largely agree with the observations. © 2013. American Geophysical Union. All Rights Reserved.

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Language(s): eng - English
 Dates: 201220132013-052013-05
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1002/jame.20014
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Title: Journal of Advances in Modeling Earth Systems
  Other : JAMES
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union
Pages: - Volume / Issue: 5 Sequence Number: - Start / End Page: 98 - 116 Identifier: Other: 1942-2466
CoNE: https://pure.mpg.de/cone/journals/resource/19422466