The Ocean

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Hoegh-Guldberg, Ove
Cai, Rongshuo
Poloczanska, Elvira S
Brewer, Peter G
Sundby, Svein
Hilmi, Karim
Fabry, Victoria J
Jung, Sukgeun
Skirving, William
Stone, Daithi
Burrows, Michael T
Bell, Johann
Cao, Long
Donner, Simon
Eakin, C Mark
Eide, Arne
Halpern, Benjamin
McClain, Charles R
O'Connor, Mary I
Parmesan, Camille
Perry, R Ian
Richardson, Anthony J
Brown, Christopher J
Schoeman, David
Signorini, Sergio
Sydeman, William
Zhang, Rui
van Hooidonk, Ruben
McKinnell, Stewart M
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Barros, VR
Field, CB
Dokken, DJ
Mastrandrea, MD
Mach, KJ
Bilir, TB
Chatterjee, M
Ebi, KL
Estrada, YO
Genova, RC
Girma, B
Kissel, ES
Levy, AN
MacCracken, S
Mastrandrea, PR
White, LL
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2014
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Abstract

The Ocean exerts a profound influence as part of the Earth, interacting with its atmosphere, cryosphere, land, and biosphere to produce planetary conditions. It also directly influences human welfare through the provision and transport of food and resources, as well as by providing cultural and economic benefits. The Ocean also contributes to human welfare indirectly through the regulation of atmospheric gas content and the distribution of heat and water across the planet. This chapter examines the extent to which regional changes to the Ocean can be accurately detected and attributed to anthropogenic climate change and ocean acidification, building on the conclusions of Chapter 6, which focuses on the marine physiological and ecological responses to climate change and ocean acidification. Detailed assessment of the role of recent physical and chemical changes within the Ocean to anthropogenic climate change is provided in WGI AR5 (particularly Chapters 2, 3, 13, and 14). In this chapter, impacts, risks, and vulnerabilities associated with climate change and ocean acidification are assessed for seven ocean sub-regions, and the expected consequences and adaptation options for key ocean-based sectors are discussed. Polar oceans (defined by the presence of sea ice in the north and by the Polar Front in the south) are considered in Chapter 28.

Given that climate change affects coastal and low-lying sub-regions of multiple nations, detailed discussion of potential risks and consequences for these regions occurs in the relevant chapters of this report (e.g., Chapters 5 and 29, as well as other regional sections).

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Climate Change 2014: Impacts, Adaptation, and Vulnerability
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© 2014 Cambridge University Press. This material has been published in Climate Change 2014: Impacts, Adaptation, and Vulnerability. Part A: Global and Sectoral Aspects by Intergovernmental Panel on Climate Change. This version is free to view and download for personal use only. Not for re-distribution, re-sale or use in derivative works.
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Oceanography not elsewhere classified
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