DOI: 10.1175/JCLI-D-16-0313.1
Scopus记录号: 2-s2.0-85014541833
论文题名: Why has the relationship between Indian and Pacific Ocean decadal variability changed in recent decades?
作者: Dong L. ; McPhaden M.J.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2017
卷: 30, 期: 6 起始页码: 1971
结束页码: 1983
语种: 英语
Scopus关键词: Atmospheric temperature
; Atmospheric thermodynamics
; Climate models
; Global warming
; Greenhouse gases
; Production platforms
; Surface waters
; Atmosphere-ocean interactions
; Coupled climate model
; Decadal variability
; Indian ocean
; Inter-decadal pacific oscillations
; Pacific decadal oscillation
; Sea surface temperature (SST)
; Tropical Pacific ocean
; Oceanography
; air-sea interaction
; climate modeling
; decadal variation
; greenhouse gas
; Pacific Decadal Oscillation
; sea surface temperature
; Indian Ocean
; Pacific Ocean
英文摘要: Both the Indian and Pacific Oceans exhibit prominent decadal time scale variations in sea surface temperature (SST), linked dynamically via atmospheric and oceanic processes. However, the relationship between SST in these two basins underwent a dramatic transformation beginning around 1985. Prior to that, SST variations associated with the Indian Ocean basin mode (IOB) and the interdecadal Pacific oscillation (IPO) were positively correlated, whereas afterward they were much less clearly synchronized. Evidence is presented from both observations and coupled state-of-the-art climate models that enhanced external forcing, particularly from increased anthropogenic greenhouse gases, was the principal cause of this changed relationship. Using coupled climate model experiments, it is shown that without external forcing, the evolution of the IOB would be strongly forced by variations in the IPO. However, with strong external forcing, the dynamical linkage between the IOB and the IPO weakens so that the negative phase IPO after 2000 is unable to force a negative phase IOB-induced cooling of the Indian Ocean. This changed relationship in the IOB and IPO led to unique SST patterns in the Indo-Pacific region after 2000, which favored exceptionally strong easterly trade winds over the tropical Pacific Ocean and a pronounced global warming hiatus in the first decade of the twenty-first century. © 2017 American Meteorological Society. 资助项目: CNCS, Consiliul National al Cercetarii Stiintifice
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/49731
Appears in Collections: 气候变化事实与影响
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作者单位: NOAA, Pacific Marine Environmental Laboratory, Seattle, WA, United States
Recommended Citation:
Dong L.,McPhaden M.J.. Why has the relationship between Indian and Pacific Ocean decadal variability changed in recent decades?[J]. Journal of Climate,2017-01-01,30(6)