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Indian Ocean Dipole information


Water temperatures around the Mentawai Islands dropped about 4 °C during the height of a positive phase of the Indian Ocean Dipole in November 1997. During these events unusually strong winds from the east push warm surface water towards Africa, allowing cold water to upwell along the Sumatran coast. In this image blue areas are cooler than normal, while red areas are warmer than normal.

The Indian Ocean Dipole (IOD), also known as the Indian Niño, is an irregular oscillation of sea surface temperatures in which the western Indian Ocean becomes alternately warmer (positive phase) and then colder (negative phase) than the eastern part of the ocean.

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Indian Ocean Dipole

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Indian Ocean Dipole (IOD), also known as the Indian Niño, is an irregular oscillation of sea surface temperatures in which the western Indian Ocean becomes...

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Subtropical Indian Ocean Dipole

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Subtropical Indian Ocean Dipole (SIOD) is featured by the oscillation of sea surface temperatures (SST) in which the southwest Indian Ocean i.e. south...

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Monsoon of South Asia

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Glossary - Monsoon". Indian Meteorological Department. Retrieved 5 March 2011. Gopal Raj, N (4 May 2004). "El Nino & the Indian Ocean Dipole". The Hindu. "Climate...

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Dipole

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magnetic field Electret Indian Ocean Dipole and Subtropical Indian Ocean Dipole, two oceanographic phenomena Magnetic dipole-dipole interaction Spin magnetic...

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Climate of Argentina

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and western sections of the tropical Indian Ocean. Similar to the Antarctic Oscillation, the Indian Ocean Dipole is characterized by two phases: a positive...

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Indian Ocean

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(or the Indian Ocean Dipole), events are a trigger to this strong warming in the Indian Ocean. South of the Equator (20–5°S), the Indian Ocean is gaining...

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North Indian Ocean tropical cyclone

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surface temperature and high wind shear. However a strong positive Indian Ocean Dipole may cause an increase of tropical cyclogenesis than usual[clarification...

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Tropical cyclones in 2024

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eastward propagation slowing down due to the positive phase of the Indian Ocean Dipole (IOD) and an equatorial Rossby wave. Despite that, the MJO briefly...

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2023 North Indian Ocean cyclone season

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Arabian Sea, warmer sea surface temperatures, pointing to positive Indian Ocean Dipole, would help the disturbance develop. A cyclonic circulation formed...

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East Africa

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variability is influenced by both El Niño events and a positive Indian Ocean Dipole. El Niño events tend to increase rainfall except in the northern...

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Tropical Easterly Jet

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p. 464. ISBN 90-277-2026-6. "Indian Monsoons: Role of Tropical Easterly Jet, Tibet, Somali Jet & Indian Ocean Dipole". PMF IAS. 21 January 2016. Retrieved...

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IOD

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draw, the drawing of electric current in a vehicle while shut off Indian Ocean Dipole, an irregular oscillation of sea surface temperatures Institute of...

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Australia

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climate of Australia is significantly influenced by ocean currents, including the Indian Ocean Dipole and the El Niño–Southern Oscillation, which is correlated...

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Drought in Australia

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drought affected areas, influenced at least in part by a positive Indian Ocean Dipole and a prolonged period of negative SAM (Southern Annular Mode) during...

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Severe weather events in Sydney

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Oscillation greatly affects Australia. El Niño conditions, a positive Indian Ocean Dipole and a negative Southern Annular Mode exacerbate heat and drought...

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Monsoon

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summer monsoon, because of change in the Indian Ocean dipole due to reduction in net heat input to the Indian Ocean through the Indonesian Throughflow. Thus...

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Arctic dipole anomaly

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multidecadal oscillation Beaufort Gyre Climate of Europe Gulf Stream Indian Ocean Dipole North Atlantic oscillation Pacific decadal oscillation Pacific–North...

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Climate of Sydney

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changing pavement colour. The El Niño Southern Oscillation, the Indian Ocean Dipole and the Southern Annular Mode play an important role in determining...

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Cyclone Tej

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Arabian Sea. In the Arabian Sea, relatively high ocean temperatures, indicating a positive Indian Ocean Dipole, created favourable conditions for tropical...

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List of Indian inventions and discoveries

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an artificial synapse. Indian Ocean Dipole is an unusual pattern in the ocean-atmosphere system of the equatorial Indian Ocean that influences the monsoon...

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Ocean dynamical thermostat

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a similar effect in the Indian Ocean could force changes to the Indian Ocean Dipole after carbon dioxide removal. The ocean dynamical thermostat has...

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Atmospheric river

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temperatures in the eastern Indian Ocean near Australia are warmer than those in the western Indian Ocean (i.e. a negative Indian Ocean Dipole). Atmospheric rivers...

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