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Salinity from space unlocks satellite-based assessment of ocean acidification 5
Land, Peter; Shutler, Jamie; Findlay, Helen; Girard Ardhuin, Fanny; Sabia, Roberto; Reul, Nicolas; Piolle, Jean-francois; Chapron, Bertrand; Quilfen, Yves; Salisbury, Joseph; Vandemark, Douglas; Bellerby, Richard; Bhadury, Punyasloke.
Approximately a quarter of the carbon dioxide (CO2) that we emit into the atmosphere is absorbed by the ocean. This oceanic uptake of CO2 leads to a change in marine carbonate chemistry resulting in a decrease of seawater pH and carbonate ion concentration, a process commonly called ‘Ocean Acidification’. Salinity data are key for assessing the marine carbonate system, and new space-based salinity measurements will enable the development of novel space-based ocean acidification assessment. Recent studies have highlighted the need to develop new in situ technology for monitoring ocean acidification, but the potential capabilities of space-based measurements remain largely untapped. Routine measurements from space can provide quasi-synoptic, reproducible...
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Ano: 2015 URL: https://archimer.ifremer.fr/doc/00247/35863/34384.pdf
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The Southern Ocean Observing System: Initial Science and Implementation Strategy 5
Rintoul, Stephen R; Sparrow, Mike; Meredith, Michael P; Wadley, Victoria; Speer, Kevin; Hofmann, Eileen; Summerhayes, Colin; Urban, Ed; Bellerby, Richard.
The Southern Ocean provides the principal connection between the Earth’s ocean basins and between the upper and lower layers of the global ocean circulation. As a result, the Southern Ocean strongly influences climate patterns and the cycling of carbon and nutrients. Changes in the Southern Ocean therefore have global ramifications. Limited observations suggest the Southern Ocean is indeed changing: the region is warming more rapidly than the global ocean average; salinity changes driven by changes in precipitation and ice melt have been observed in both the upper and abyssal ocean; the uptake of carbon by the Southern Ocean has slowed the rate of atmospheric climate change but caused basin-wide ocean acidification; and Southern Ocean ecosystems are...
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Ano: 2012 URL: https://archimer.ifremer.fr/doc/00651/76345/77335.pdf
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