A. Adcroft, C. Hill, and J. Marshall, Representation of Topography by Shaved Cells in a Height Coordinate Ocean Model, Monthly Weather Review, vol.125, issue.9, pp.2293-2315, 1997.
DOI : 10.1175/1520-0493(1997)125<2293:ROTBSC>2.0.CO;2

B. Barnier and C. , Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution. Ocean Dyn, pp.543-56710, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00183257

B. Blanke and P. Delecluse, Variability of the Tropical Atlantic Ocean Simulated by a General Circulation Model with Two Different Mixed-Layer Physics, Journal of Physical Oceanography, vol.23, issue.7, pp.1363-1388, 1993.
DOI : 10.1175/1520-0485(1993)023<1363:VOTTAO>2.0.CO;2
URL : https://hal.archives-ouvertes.fr/hal-01143309

?. and S. Raynaud, Kinematics of the Pacific Equatorial Undercurrent: An Eulerian and Lagrangian approach from GCM results, J. Phys. Oceanogr, vol.27, pp.1038-1053, 1997.
URL : https://hal.archives-ouvertes.fr/hal-01143304

A. J. Bratcher and B. S. Giese, Tropical Pacific decadal variability and global warming, Geophysical Research Letters, vol.10, issue.1, pp.10-1029, 1918.
DOI : 10.1029/2001GL013657

B. Oceanographic and D. Centre, Centenary Edition of the GEBCO Digital Atlas. Intergovernmental Oceanographic Commission and the International Hydrographic Organization, 2003.

J. Butt and E. Lindstrom, Currents off the east coast of New Ireland, Papua New Guinea, and their relevance to regional undercurrents in the western equatorial Pacific Ocean, Journal of Geophysical Research, vol.14, issue.C6, pp.12-503, 1994.
DOI : 10.1029/94JC00399

P. Chang, B. Giese, L. Ji, H. Seidel, and F. Wang, Decadal change in the south tropical Pacific in a Global Assimilation Analysis, Geophysical Research Letters, vol.10, issue.18, pp.3461-3464, 2001.
DOI : 10.1029/2001GL013018

S. Chen and B. Qiu, Seasonal variability of the South Equatorial Countercurrent, Journal of Geophysical Research: Oceans, vol.31, issue.5, pp.10-1029, 2004.
DOI : 10.1029/2003JC002243

X. Couvelard, P. Marchesiello, L. Gourdeau, and J. Lefvre, Barotropic Zonal Jets Induced by Islands in the Southwest Pacific, Journal of Physical Oceanography, vol.38, issue.10, pp.2185-2204, 2008.
DOI : 10.1175/2008JPO3903.1
URL : https://hal.archives-ouvertes.fr/hal-00406796

L. Debreu, C. Vouland, and E. Blayo, AGRIF: Adaptive grid refinement in Fortran, Computers & Geosciences, vol.34, issue.1, pp.8-13, 2008.
DOI : 10.1016/j.cageo.2007.01.009
URL : https://hal.archives-ouvertes.fr/hal-00387435

R. A. Fine, R. Lukas, F. Bingham, M. J. Warnar, and R. H. Gammon, The western equatorial Pacific: A water mass crossroads, Journal of Geophysical Research, vol.1, issue.C12, pp.25-063, 1994.
DOI : 10.1029/94JC02277

I. Fukumori, T. Lee, B. Cheng, and D. Menemenlis, The Origin, Pathway, and Destination of Ni??o-3 Water Estimated by a Simulated Passive Tracer and Its Adjoint, Journal of Physical Oceanography, vol.34, issue.3, pp.582-604, 2004.
DOI : 10.1175/2515.1

B. S. Giese, S. C. Urizar, and N. S. Fu?kar, Southern Hemisphere Origins of the 1976 Climate Shift, Geophysical Research Letters, vol.45, issue.2, pp.10-1029, 1014.
DOI : 10.1029/2001GL013268

J. S. Godfrey, On Ocean Spindown I: A Linear Experiment, Journal of Physical Oceanography, vol.5, issue.3, pp.399-409, 1975.
DOI : 10.1175/1520-0485(1975)005<0399:OOSIAL>2.0.CO;2

L. Gourdeau, W. Kessler, R. Davis, J. Sherman, C. Maes et al., Zonal Jets Entering the Coral Sea, Journal of Physical Oceanography, vol.38, issue.3, pp.715-725, 2008.
DOI : 10.1175/2007JPO3780.1
URL : https://hal.archives-ouvertes.fr/hal-00280382

M. Holland and M. Raphael, Twentieth century simulation of the southern hemisphere climate in coupled models. Part II: sea ice conditions and variability, Climate Dynamics, vol.28, issue.18, pp.229-245, 2006.
DOI : 10.1007/s00382-005-0087-3

M. Inoue and S. E. Welsh, Modeling Seasonal Variability in the Wind-driven Upper-Layer Circulation in the Indo???Pacific Region, Journal of Physical Oceanography, vol.23, issue.7, pp.1411-1436, 1993.
DOI : 10.1175/1520-0485(1993)023<1411:MSVITW>2.0.CO;2

G. C. Johnson and M. J. Mcphaden, Interior Pycnocline Flow from the Subtropical to the Equatorial Pacific Ocean*, Journal of Physical Oceanography, vol.29, issue.12, pp.3073-3089, 1999.
DOI : 10.1175/1520-0485(1999)029<3073:IPFFTS>2.0.CO;2

W. S. Kessler and L. Gourdeau, The Annual Cycle of Circulation of the Southwest Subtropical Pacific, Analyzed in an Ocean GCM*, Journal of Physical Oceanography, vol.37, issue.6, pp.1610-1627, 2007.
DOI : 10.1175/JPO3046.1
URL : https://hal.archives-ouvertes.fr/hal-00280372

Y. Kuroda, Variability of currents off the northern coast of New Guinea, Journal of Oceanography, vol.56, issue.1, pp.103-116, 2000.
DOI : 10.1023/A:1011122810354

W. Large and S. Yeager, The global climatology of an interannually varying air?sea flux data set. Climate Dyn, pp.341-364, 2008.

E. Lindstrom, R. Lukas, R. Fine, E. Firing, S. Godgrey et al., The Western Equatorial Pacific Ocean Circulation Study, Nature, vol.330, issue.6148, pp.533-537, 1987.
DOI : 10.1038/330533a0

?. , J. Butt, R. Lukas, and S. Godfrey, The flow through Vitiaz Strait and St. George's Channel, Papua New Guinea. The Physical Oceanography of Sea Straits, pp.171-189, 1990.

J. Luo and T. Yamagata, Long-term El Niñ o-Southern Oscillation (ENSO)-like variation with special emphasis on the South Pacific, J. Geophys. Res, vol.106, issue.22, pp.211-233, 2001.

?. , S. Masson, S. Behara, P. Delecluse, S. Gualdi et al., South Pacific origin of the decadal ENSO-like variation simulated by a coupled GCM, Geophys. Res. Lett, vol.30, pp.225010-1029, 2003.

Y. Luo, L. Rothstein, R. Zhang, and A. Busalacchi, On the connection between South Pacific subtropical spiciness anomalies and decadal equatorial variability in an ocean general circulation model, Journal of Geophysical Research, vol.28, issue.7, pp.10002-10012, 1318.
DOI : 10.1029/2004JC002655

G. Madec, NEMO ocean engine. Note du Pole de modé lisation 27, 2008.

K. M. Marks and W. H. Smith, An Evaluation of Publicly Available Global Bathymetry Grids, Marine Geophysical Researches, vol.79, issue.1, pp.19-34, 2006.
DOI : 10.1007/s11001-005-2095-4

S. Murray, E. Lindstrom, J. Kindle, and E. Weeks, Transport through Vitiaz Strait, WOCE Notes, issue.7, pp.21-23, 1995.

M. Nonaka and H. Sasaki, Formation Mechanism for Isopycnal Temperature???Salinity Anomalies Propagating from the Eastern South Pacific to the Equatorial Region, Journal of Climate, vol.20, issue.7, pp.1305-1315, 2007.
DOI : 10.1175/JCLI4065.1

R. Preisendorfer, Principal Component Analysis in Meteorology and Oceanography, 1988.

C. Qiu, S. Chen, and W. Kessler, Source of the 70-Day Mesoscale Eddy Variability in the Coral Sea and the North Fiji Basin*, Journal of Physical Oceanography, vol.39, issue.2, pp.404-420, 2009.
DOI : 10.1175/2008JPO3988.1

T. Qu and E. J. Lindstrom, A Climatological Interpretation of the Circulation in the Western South Pacific*, Journal of Physical Oceanography, vol.32, issue.9, pp.2492-2507, 2002.
DOI : 10.1175/1520-0485-32.9.2492

K. R. Ridgway, J. S. Godfrey, G. Meyers, and R. Bailey, Sea level response to the 1986?1987 El Niñ o Southern Oscillation event in the Western Pacific in the vicinity of Papua New Guinea, J. Geophys. Res, vol.98, pp.16-387, 1993.

?. , J. R. Dunn, and J. L. Wilkin, Ocean interpolation by weighted least squares: Application to the waters around Australia, J. Atmos. Oceanic Technol, vol.19, pp.1357-1375, 2002.

W. H. Smith and D. T. Sandwell, Global Sea Floor Topography from Satellite Altimetry and Ship Depth Soundings, Science, vol.277, issue.5334, pp.1956-1962, 1997.
DOI : 10.1126/science.277.5334.1956

S. Sokolov and S. Rintoul, Circulation and water masses of the southwest Pacific: WOCE Section P11, Papua New Guinea to Tasmania, Journal of Marine Research, vol.58, issue.2, pp.223-268, 2000.
DOI : 10.1357/002224000321511151

J. M. Toole, E. Zou, and R. C. Millard, On the circulation of the upper waters in the western equatorial Pacific Ocean, Deep Sea Research Part A. Oceanographic Research Papers, vol.35, issue.9, pp.1451-1482, 1988.
DOI : 10.1016/0198-0149(88)90097-0

A. M. Tré-guier and C. , An eddy-permitting model of the Atlantic circulation: Evaluating open boundary conditions, J. Geophys. Res, vol.106, issue.22, pp.115-137, 2001.

M. Tsuchiya, The Origin of the Pacific Equatorial 13??C Water, Journal of Physical Oceanography, vol.11, issue.6, pp.794-812, 1981.
DOI : 10.1175/1520-0485(1981)011<0794:TOOTPE>2.0.CO;2

?. , R. Lukas, R. Fine, E. Firing, and E. Lindstrom, Source waters of the Pacific Equatorial Undercurrent, Prog. Oceanogr, vol.23, pp.101-147, 1989.

S. M. Uppala and C. , The ERA-40 re-analysis, Quarterly Journal of the Royal Meteorological Society, vol.132, issue.612, pp.2961-3012, 2005.
DOI : 10.1256/qj.04.176

B. Wang, R. Wu, and R. Lukas, Annual Adjustment of the Thermocline in the Tropical Pacific Ocean, Journal of Climate, vol.13, issue.3, pp.596-616, 2000.
DOI : 10.1175/1520-0442(2000)013<0596:AAOTTI>2.0.CO;2

D. J. Webb, Evidence for Shallow Zonal Jets in the South Equatorial Current Region of the Southwest Pacific, Journal of Physical Oceanography, vol.30, issue.4, pp.706-719, 2000.
DOI : 10.1175/1520-0485(2000)030<0706:EFSZJI>2.0.CO;2

S. G. Yeager and W. G. Large, Late-Winter Generation of Spiciness on Subducted Isopycnals, Journal of Physical Oceanography, vol.34, issue.7, pp.1528-1545, 2004.
DOI : 10.1175/1520-0485(2004)034<1528:LGOSOS>2.0.CO;2

X. Yu and M. Mcphaden, Seasonal Variability in the Equatorial Pacific, Journal of Physical Oceanography, vol.29, issue.5, pp.925-947, 1999.
DOI : 10.1175/1520-0485(1999)029<0925:SVITEP>2.0.CO;2