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Rui-Jin Hu and J. Stuart Godfrey

. B. Rossow , 1983 : The International Satellite Cloud Climatology Project (ISCCP): The first project of the World Climate Research Programme. Bull. Amer. Meteor. Soc. , 64 , 779 – 785 . Spall , M. A. , 2003 : Islands in zonal flow. J. Phys. Oceanogr. , 33 , 2689 – 2701 . Yu , L. , R. A. Weller , and B. Sun , 2004 : Improving latent and sensible heat flux estimates for the Atlantic (1988–1999) by a synthesis approach. J. Climate , 17 , 373 – 393 . APPENDIX Calculation

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J. Stuart Godfrey, Rui-Jin Hu, Andreas Schiller, and R. Fiedler

ocean allowing for island circulations. Geophys. Astrophys. Fluid Dyn. , 45 , 89 – 112 . Godfrey , J. S. , 1996 : The effect of the Indonesian Throughflow on ocean circulation and heat exchange with the atmosphere: A review. J. Geophys. Res. , 101 , 12217 – 12238 . Godfrey , J. S. , G. R. Cresswell , and F. M. Boland , 1980 : Observations of low Richardson numbers and undercurrents near a front in the East Australian Current. J. Phys. Oceanogr. , 10 , 301 – 307 . Godfrey , J

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Jean Philippe Duvel and Jérôme Vialard

, an intraseasonal SST perturbation of more than 1.5 K over a large region in the Indian Ocean between 5° and 10°S was found in both in situ and TMI SST data. From this observation, Harrison and Vecchi (2001) concluded that the strong SST variations are mainly due to vertical and horizontal heat transport with the vertical exchange with the cold subsurface being more efficient during the winter season during which the thermocline is closer to the surface. However, DRV concluded based on a

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J. C. Hermes, C. J. C. Reason, and J. R. E. Lutjeharms

that transports around 5 Sv northward ( Ridderinkhof and de Ruijter 2003 ) and which is also present in the model. Adding this 5-Sv-deep flow results in an observed net annual southward transport of 10 Sv, which is more comparable to the model value of 8.4 Sv. Matano et al. (2002) used “the island rule” ( Godfrey 1989 ) to show that only around 2.2 Sv of the flow through the Mozambique Channel is due to the wind-driven circulation. In the AGAPE model, the maximum (August) and minimum (March

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Karumuri Ashok, Hisashi Nakamura, and Toshio Yamagata

1. Introduction Synoptic-scale baroclinic eddies that propagate along midlatitude storm tracks form an important constituent of the climate system, as they act to maintain the extratropical general circulation by meridionally transporting zonal angular momentum, sensible heat, and moisture. In this process, they also affect the local weather conditions in the extratropics through precipitation and temperature variations. Trenberth (1991) comprehensively studied the seasonal characteristics of

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Debasis Sengupta, Retish Senan, B. N. Goswami, and Jérôme Vialard

Trans-Ocean Buoy Network (TRITON) buoy in October 2001 at 1.6°S, 90°E ( Kuroda 2002 ). Ongoing observations from these instruments already cover a longer period than previous in situ time series measurements in the EqIO, including those from Gan Island, Republic of Maldives ( Knox 1976 ; McPhaden 1982 ), the western EqIO ( Luyten and Roemmich 1982 ), and south of Sri Lanka ( Schott et al. 1994 ; Reppin et al. 1999 ). Here, we use an ocean general circulation model forced by 1999–2003 3-day

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