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Why study the Indian Ocean?

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I. Annual and Semiannual Variations on a Regional Scale

I.1. The Monsoons and their influence on the Northern Tropical Indian Ocean

I.1.1. The Somali Current

(i) Current Measurements
(ii) The Great Whirl and the two-eddies system

(iii) Modeling the Somali Current

I.1.2. The Arabian Sea

(i) The Cooling of the Arabian Sea and Deep Recirculation

I.1.3. The Bay of Bengal

(i) the Western Boundary Current or East Indian Current
(ii) the Andaman Sea

I.2. The Indonesian Throughflow

I.2.1 The Geography of the Indonesian Throughflow

I.2.2 The Driving Force of the Indonesian Throughflow

I.2.3 Volume Transport Measurements

I.2.4 The Zonal Jet of the Throughflow

I.2.5 Kelvin and Rossby Waves generated by the throughflow

I.2.6 The Leeuwin Current

I.3. The Equatorial Indian Ocean

I.3.1. Equatorial Currents

(i) the monsoonal surface currents
(ii) the Inter-monsoon Jets
(iii) the Undercurrent

I.3.2. Equatorial Waves in the Indian Ocean

(i) Rossby and Kelvin Waves
(ii) the Yanai wave
(iii) Future work

I.4. The Southern Tropical Indian Ocean

I.4.1. The South Equatorial Current and the associated Rossby waves

I.4.2. The East African Coastal Current

I.4.3 The Mozambique Channel and the Agulhas Current

II. Interannual variability and ENSO-related anomalies

II.1. The Southern Oscillation and the Quasi-Biennial Oscillation

II.I.1. The Southern Oscillation (SO)

II.I.2. The Quasi-Biennial Oscillation (QBO)

II.2. El Niño in the Indian Ocean

II.2.1. Interannual variability of the Indonesian throughflow

(i) ENSO-related variations
(ii) the role of the throughflow in interannual variations associated with ENSO
(iii) SST variations due to the Indonesian throughflow

II.3. Monsoon and ENSO

II.3.1. The forces in action

(i) Barnett's theory
(ii) Meehl's theory
(iii) Yasunari's theory

II.4. Discussion and Conclusion

III. Applications