Great Barrier Reef: record heatwave may cause another coral bleaching event

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42.6C temperature in Cairns broke a November record that has stood since 1900 by 5.4C

A record-breaking heatwave in north Queensland will further increase above-average marine temperatures, heightening the risk of another coral bleaching event on the Great Barrier Reef next year, scientists say.

Dozens of record November temperatures have been recorded in the region, most along the reef coastline, this week.

This is terrifying. An early summer heatwave breaks all records, lifting the chances of another episode of coral mortality on the #greatBarrierReef next Feb/March. https://t.co/NQkoKhGW5P

Related: Great Barrier Reef: 30% of coral died in ‘catastrophic’ 2016 heatwave

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