Analysis of last summer’s heatwave shows it killed farmed salmon and decimated kelp forests, as well as shifting grape harvests and fish spawning times forward by several weeks.
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Articles on Marine heatwaves
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Marine heatwaves may become the new normal for the Tasman Sea and the ocean around New Zealand, and oceanographers are developing models to better predict their intensity.
Climate mitigation efforts are unlikely to be enough to save critical ecosystems like the Great Barrier Reef. We may need to consider more radical environmental engineering.
Marine heatwaves have had little attention until recently, but they’re already having large effects.
The 2016 bleaching event resulted in 30% mortality on the Great Barrier Reef, with many corals dying of the heat before they bleached and the loss of branching corals creating less complex reef structure.
Tropical coral reefs can be saved from climate change and other pressures, but the window of opportunity is closing. And reefs are guaranteed to be markedly different in the future.
A 10-week surge in ocean temperatures off the Western Australian coast has killed off large patches of kelp forest, the “biological engine” of Australia’s southern reefs.
This summer has seen Tasmania suffer through drought, bushfires, floods and the worst marine heatwave on record. Is this what life under a climate-changed future will be like?
Top contributors
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Professor, The University of Western Australia
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Professor in Oceanography, UNSW Sydney
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Associate Professor in Physics, James Cook University
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Assistant Professor of Physical Oceanography, Dalhousie University
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Senior lecturer, UNSW Sydney
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Research Fellow in Marine Ecology, Marine Biological Association
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Senior Principal Research Scientist - Oceans and Atmosphere, CSIRO
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Postdoctoral Research Scientist, Marine Biological Association
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Professor, Physical Geography (climate science), Te Herenga Waka — Victoria University of Wellington
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MetOcean Solutions Science Manager of the Research and Development Team. Moana Project Science Lead, MetService — Te Ratonga Tirorangi
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Climate Projections Scientist, CSIRO
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Professor of Environmental Law, University of Tasmania
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Professor and Chair of the Department of Marine Sciences, University of Miami
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Associate professor, Climate Change Research Centre, UNSW, UNSW Sydney
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Chief Investigator on the ARC Centre of Excellence for Climate Extremes; ARC Future Fellow, UNSW Sydney
