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The unprecedented 2015/16 Tasman Sea marine heatwave

Citation

Oliver, ECJ and Benthuysen, JA and Bindoff, NL and Hobday, AJ and Holbrook, NJ and Mundy, CN and Perkins-Kirkpatrick, SE, The unprecedented 2015/16 Tasman Sea marine heatwave, Nature Communications, 8 Article 16101. ISSN 2041-1723 (2017) [Refereed Article]


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PDF (Oliver, E. C. J., J. A. Benthuysen, N. L. Bindoff, A. J. Hobday, N. J. Holbrook, C. N. Mundy and S. E. Perkins-Kirkpatrick (2017), The unprecedented 2015/16 Tasman Sea marine heatwave, Nature Communications, 8, 16101, doi: 10.1038/ncomms16101.)
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DOI: doi:10.1038/ncomms16101

Abstract

The Tasman Sea off southeast Australia exhibited its longest and most intense marine heatwave ever recorded in 2015/16. Here we report on several inter-related aspects of this event: observed characteristics, physical drivers, ecological impacts and the role of climate change. This marine heatwave lasted for 251 days reaching a maximum intensity of 2.9 C above climatology. The anomalous warming is dominated by anomalous convergence of heat linked to the southward flowing East Australian Current. Ecosystem impacts range from new disease outbreaks in farmed shellfish, mortality of wild molluscs and out-of-range species observations. Global climate models indicate it is very likely to be that the occurrence of an extreme warming event of this duration or intensity in this region is respectively ≥330 times and ≥6.8 times as likely to be due to the influence of anthropogenic climate change. Climate projections indicate that event likelihoods will increase in the future, due to increasing anthropogenic influences.

Item Details

Item Type:Refereed Article
Keywords:marine heatwaves, climate change
Research Division:Earth Sciences
Research Group:Oceanography
Research Field:Physical Oceanography
Objective Division:Environment
Objective Group:Climate and Climate Change
Objective Field:Climate Variability (excl. Social Impacts)
Author:Oliver, ECJ (Dr Eric Oliver)
Author:Bindoff, NL (Professor Nathan Bindoff)
Author:Holbrook, NJ (Associate Professor Neil Holbrook)
Author:Mundy, CN (Dr Craig Mundy)
ID Code:122547
Year Published:2017
Deposited By:Centre for Oceans and Cryosphere
Deposited On:2017-11-17
Last Modified:2017-11-20
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