globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068996
论文题名:
Vulnerability of a semienclosed estuarine sea to ocean acidification in contrast with hypoxia
作者: Ianson D.; Allen S.E.; Moore-Maley B.L.; Johannessen S.C.; Macdonald R.W.
刊名: Geophysical Research Letters
ISSN: 0094-8985
EISSN: 1944-8716
出版年: 2016
卷: 43, 期:11
起始页码: 5793
结束页码: 5801
语种: 英语
英文关键词: estuarine seas ; gas exchange ; hypoxia ; ocean acidification ; riverine carbon ; tidal mixing
Scopus关键词: Acidification ; Carbon dioxide ; Climate change ; Mixing ; estuarine seas ; Gas exchange ; hypoxia ; Ocean acidifications ; Tidal mixing ; Estuaries
英文摘要: The Strait of Georgia (SoG) is a large semienclosed estuary that spatially dominates the Salish Sea on the North American Pacific coast. The region is well populated, harbors significant aquaculture, and is vulnerable to climate change. We present the first inorganic carbon data collected in the SoG covering all seasons (2003 and 2010–2012) and put them into the context of local circulation and oxygen cycles. Results show that the SoG has a higher carbon content and lower pH than surrounding waters. Aragonite saturation horizons in the SoG do not become deeper than 20–30 m and shoal to the surface for extended periods. Furthermore, incoming upwelled “acidified” water from the outer coast actually increases local pH. Finally, intense mixing in the physically restricted channels connecting the SoG to the outer coast allows significant oxygen uptake but minimal CO2 out gassing, protecting the SoG from hypoxia but not from ocean acidification. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84977139218&doi=10.1002%2f2016GL068996&partnerID=40&md5=450f3e60f0f3aee512a2fea4a4544317
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9948
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institute of Ocean Sciences, Fisheries and Oceans Canada, Sidney, BC, Canada

Recommended Citation:
Ianson D.,Allen S.E.,Moore-Maley B.L.,et al. Vulnerability of a semienclosed estuarine sea to ocean acidification in contrast with hypoxia[J]. Geophysical Research Letters,2016-01-01,43(11).
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