The role of atmosphere feedbacks during ENSO in the CMIP3 modelsLloyd, J., Guilyardi, E., Weller, H. and Slingo, J. M. (2009) The role of atmosphere feedbacks during ENSO in the CMIP3 models. Atmospheric Science Letters, 10 (3). pp. 170-176. ISSN 1530-261X Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1002/asl.227 Abstract/SummarySeveral studies using ocean-atmosphere GCMs suggest that the atmospheric component plays a dominant role in the modelled ENSO. To help elucidate these findings, the two main atmosphere feedbacks relevant to ENSO, the Bjerknes positive feedback (µ) and the heat flux negative feedback (), are analysed here in 12 coupled GCMs. We find that the models generally underestimate both feedbacks, leading to an error compensation. The strength of is inversely related to the ENSO amplitude in the models and the latent heat and shortwave flux components of this feedback dominate. Furthermore, the shortwave component could help explain the model diversity in both overall and ENSO amplitude.
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