气候变化领域集成服务门户(CCPortal): Tropical Indo-Pacific Teleconnections to Southern Ocean Mixed Layer Variability

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DOI	10.1029/2020GL088466
	Tropical Indo-Pacific Teleconnections to Southern Ocean Mixed Layer Variability
	Li Q.; England M.H.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:15
英文摘要	The Southern Ocean plays a fundamental role in the global energy and carbon budgets via the uptake of large quantities of heat and carbon in subantarctic mode water (SAMW). Even though SAMW variability is closely tied to variations in mixed layer depth (MLD) and properties, little is known about what controls interannual to multidecadal MLD variations. Here we use atmospheric observations combined with a global 1/10° ocean-sea ice model to examine the mechanisms controlling Southern Ocean mixed layer variability. We find that tropical teleconnections from the Indo-Pacific to the Amundsen Sea Low via El Niño–Southern Oscillation and the Indian Ocean Dipole control mixed layer variability along the path of a Rossby wave train across the South Pacific during early winter. This suggests recent multidecadal variations in mixed layer properties are likely to have been significantly impacted by transitions in the Interdecadal Pacific Oscillation. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Atmospheric pressure; Budget control; Carbon; Mechanical waves; Sea ice; Tropics; Atmospheric observations; Indian Ocean dipole; Inter-decadal pacific oscillations; Mixed layer depths; Multidecadal variations; Southern oscillation; Subantarctic mode water; Teleconnections; Ocean currents; annual variation; carbon budget; El Nino-Southern Oscillation; Indian Ocean Dipole; mixed layer; Rossby wave; sea ice; subantarctic region; teleconnection; Amundsen Sea; Southern Ocean
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170001
作者单位	Climate Change Research Centre, University of New South Wales, Sydney, NSW, Australia; ARC Centre of Excellence for Climate System Science, University of New South Wales, Sydney, NSW, Australia; ARC Centre of Excellence for Climate Extremes, University of New South Wales, Sydney, NSW, Australia
推荐引用方式 GB/T 7714	Li Q.,England M.H.. Tropical Indo-Pacific Teleconnections to Southern Ocean Mixed Layer Variability[J],2020,47(15).
APA	Li Q.,&England M.H..(2020).Tropical Indo-Pacific Teleconnections to Southern Ocean Mixed Layer Variability.Geophysical Research Letters,47(15).
MLA	Li Q.,et al."Tropical Indo-Pacific Teleconnections to Southern Ocean Mixed Layer Variability".Geophysical Research Letters 47.15(2020).