DOI: 10.1002/grl.50618
论文题名: The intensity, duration, and severity of low aragonite saturation state events on the California continental shelf
作者: Hauri C. ; Gruber N. ; McDonnell A.M.P. ; Vogt M.
刊名: Geophysical Research Letters
ISSN: 0094-8806
EISSN: 1944-8537
出版年: 2013
卷: 40, 期: 13 起始页码: 3424
结束页码: 3428
语种: 英语
英文关键词: aragonite saturation state
; California Coast
; ocean acidification
Scopus关键词: California
; Continental shelves
; Ecosystem structure
; Intergovernmental panel on climate changes
; Model simulation
; Ocean acidifications
; Saturation state
; Special report on emissions scenarios
; Acidification
; Carbon dioxide
; Climate change
; Computer simulation
; Carbonate minerals
; acidification
; aragonite
; carbon dioxide
; continental shelf
; ecosystem structure
; Intergovernmental Panel on Climate Change
; numerical model
; seafloor
; California Shelf
; Pacific Coast [North America]
; Pacific Coast [United States]
; Pacific Ocean
; United States
英文摘要: Ocean acidification will progress in an episodic manner, yet this has rarely been considered. Here, we investigate how the intensity, duration, and severity of episodic low aragonite saturation state events along the California continental shelf have changed since ~1750, and how they might change up to 2050 under the A2 scenario from the Special Report on Emissions Scenarios by the Intergovernmental Panel on Climate Change. Our model-based results suggest that between 1750 and 2010, aragonite undersaturation events along the shelf have quadrupled in their number and lengthened in duration, but that even larger changes are bound to occur within the next 20 to 40 years. Undersaturation will become very likely the norm near the seafloor by 2030, and if atmospheric CO2 increases beyond ~500 ppm, this layer will become permanently undersaturated. Combined with a fourfold increase in intensity, the resulting increase in severity of low aragonite saturation state events will substantially affect the viability of calcifying organisms and will alter ecosystem structure. Key Points Globally applicable metrics to characterize low saturation state events Metrics are applied to regional U.S. West Coast model simulations Intensity, duration and severity increase rapidly from 2010 to 2050 ©2013. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84880766360&doi=10.1002%2fgrl.50618&partnerID=40&md5=7e428895b3cdc02154b676f5aa164e30
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6070
Appears in Collections: 气候减缓与适应
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作者单位: Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Zurich, Switzerland
Recommended Citation:
Hauri C.,Gruber N.,McDonnell A.M.P.,et al. The intensity, duration, and severity of low aragonite saturation state events on the California continental shelf[J]. Geophysical Research Letters,2013-01-01,40(13).