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Abstract

In 2016 a quarter of the ocean surfaceexperienced either the longest or most intense marineheatwave (Hobday et al. 2016) since satellite recordsbegan in 1982. Here we investigate two regions—Northern Australia (NA) and the Bering Sea/Gulf ofAlaska (BSGA)—which, in 2016, experienced theirmost intense marine heat waves (MHWs) in the 35-year record. The NA event triggered mass bleachingof corals in the Great Barrier Reef (Hughes et al.2017) while the BSGA event likely fed back on theatmosphere leading to modified rainfall and temperaturepatterns over North America, and it is feared itmay lead to widespread species range shifts as wasobserved during the “Blob” marine heat wave whichoccurred immediately to the south over 2013–15(Belles 2016; Cavole et al. 2016). Moreover, from aclimate perspective it is interesting to take examplesfrom climate zones with very different oceanographiccharacteristics (high-latitude and tropics). We demonstratethat these events were several times morelikely due to human influences on the climate.

Item Type:	Article
Authors/Creators:	Oliver, ECJ and Perkins-Kirkpatrick, SE and Holbrook, NJ and Bindoff, NL
Keywords:	anthropogenic, marine heat waves, climate change
Journal or Publication Title:	Bulletin of the American Meteorological Society
Publisher:	American Meteorological Society
ISSN:	0003-0007
DOI / ID Number:	10.1175/BAMS-D-17-0093.1
Copyright Information:	Copyright 2018 American Meteorological Society (AMS). Permission to use figures, tables, and brief excerpts from this work in scientific and educational works is hereby granted provided that the source is acknowledged. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act or that satisfies the conditions specified in Section 108 of the U.S. Copyright Act (17 USC §108) does not require the AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, requires written permission or a license from the AMS.
Related URLs:	Google Scholar: Oliver, ECJ UTAS Profile: Oliver, ECJ Google Scholar: Holbrook, NJ UTAS Profile: Holbrook, NJ Google Scholar: Bindoff, NL UTAS Profile: Bindoff, NL
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