What's the Indian Ocean Dipole and how does it affect Australia?

The recent bushfires on the South Coast of NSW were preceded by extended periods of drought

The recent bushfires on the South Coast of NSW were preceded by extended periods of drought Source: AAP

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Climate researchers say centuries-old ocean temperature footprints stored in coral skeletons are leading to a better understanding of the future risks of climate change - and the Indian Ocean Dipole is behind the changes.

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