Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 1593–1611, 2021
Atmos. Chem. Phys., 21, 1593–1611, 2021

Research article 05 Feb 2021

Research article | 05 Feb 2021

Very long-period oscillations in the atmosphere (0–110 km)

Dirk Offermann et al.

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Cited articles

Biondi, F., Gershunov, A., and Cayan, D. R.: North Pacific Decadal Climate Variability since 1661, J. Climate 14, 5–10, 2001. 
Dai, A., Fyfe, J. C., Xie, S.-P., and Dai, X.: Decadal modulation of global surface temperature by internal climate variability, Nat. Clim. Change, 5, 555–559, 2015. 
Deser, C., Alexander, M. A., Xie, S. P., and Phillips, A. S.: Sea surface temperature variability: patterns and mechanisms, Annu. Rev. Mar. Sci., 2, 115–143, 2010. 
Deser, C., Phillips, A., Bourdette, V., and Teng, H.: Uncertainty in climate change projections: the role of internal variability, Clim. Dynam., 38, 527–546, 2012. 
Deser, C., Phillips, A. S., Alexander, M. A., and Smoliak, B. V.: Projecting North American climate over the next 50 years: Uncertainty due to internal variability, J. Climate, 27, 2271–2296, 2014. 
Short summary
Atmospheric oscillations with periods of up to several 100 years exist at altitudes up to 110 km. They are also seen in computer models (GCMs) of the atmospheric. They are often attributed to external influences from the sun, from the oceans, or from atmospheric constituents. This is difficult to verify as the atmosphere cannot be manipulated in an experiment. However, a GCM can be changed arbitrarily. Doing so, we find that long-period oscillations may be excited internally in the atmosphere.
Final-revised paper