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Tellus (2007), 59A, 367383 C 2007 The Authors Journal compilation C 2007 Blackwell Munksgaard
 

Summary: Tellus (2007), 59A, 367­383 C 2007 The Authors
Journal compilation C 2007 Blackwell Munksgaard
Printed in Singapore. All rights reserved
TELLUS
On the origin of interdecadal oscillations in a coupled
ocean­atmosphere model
By OLIVIER ARZEL1, ALAIN COLIN DE VERDI `ERE2
and THIERRY HUCK2
, 1
Climate and
Environmental Dynamics Laboratory, School of Mathematics and Statistics, University of New South Wales, NSW
2052, Sydney, Australia; 2
Laboratoire de Physique des Oc´eans, Universit´e de Bretagne Occidentale, 6 Avenue Le
Gorgeu, C.S. 93837, 29238 Brest cedex 3, France
(Manuscript received 4 September; in final form 22 December 2006)
ABSTRACT
Interdecadal oscillations are analysed in a coupled ocean­atmosphere model made of a planetary geostrophic ocean
model within an idealized geometry, coupled to a zonally-averaged tropospheric atmosphere model. The interdecadal
variability that arises spontaneously in this coupled system is caused by intrinsic ocean dynamics, the coupled air-sea
feedbacks being not essential. The spatial pattern of the variability bears some resemblance with observations and results

  

Source: Arzel, Olivier - Climate Change Research Centre, University of New South Wales

 

Collections: Geosciences