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Impact of global warming on ENSO phase change
Cabos Narvaez, W.; Alvarez-Garcia, F.; OrtizBévia, M.J. (2006). Impact of global warming on ENSO phase change. Adv. Geosci. 6: 103-110
In: Advances in Geosciences. Copernicus Publications: Göttingen. ISSN 1680-7340, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Cabos Narvaez, W.
  • Alvarez-Garcia, F.
  • OrtizBévia, M.J.

Abstract
    We compare the physical mechanisms involved in the generation and decay of ENSO events in a control (present day conditions) and Scenario (Is92a, IPCC 1996) simulations performed with the coupled ocean-atmosphere GCM ECHAM4-OPYC3. A clustering technique which objectively discriminates common features in the evolution of the Tropical Pacific Heat Content anomalies leading to the peak of ENSO events allows us to group into a few classes the ENSO events occurring in 240 years of data in the control and scenario runs. In both simulations, the composites of the groups show differences in the generation and development of ENSO. We present the changes in the statistics of the groups and explore the possible mechanisms involved

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