DOI: 10.1175/JCLI-D-13-00305.1
Scopus记录号: 2-s2.0-84886260677
论文题名: The arctic-atlantic thermohaline circulation
作者: Eldevik T. ; Nilsen J.E.Ø.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期: 21 起始页码: 8698
结束页码: 8705
语种: 英语
Scopus关键词: Arctic
; Atlantic Ocean
; Atmosphere-ocean interactions
; Freshwater
; Multidecadal variability
; Thermocline circulation
; Climate change
; Water
; atmosphere-hydrosphere interaction
; climate change
; decadal variation
; freshwater
; inflow
; outflow
; thermohaline circulation
; warm water
; Arctic Ocean
; Atlantic Ocean
; Norwegian Sea
英文摘要: The Atlantic Ocean's thermohaline circulation is an important modulator of global climate. Its northern branch extends through the Nordic Seas to the cold Arctic, a region that appears to be particularly influenced by climate change. Athermohaline circulation is fundamentally concerned with two degrees of freedom. This is in particular the case for the inflow of warm and saline Atlantic Water through the Nordic Seas toward the Arctic that is balanced by two branches of outflow. The authors present an analytical model, rooted in observations, that constrains the strength and structure of this Arctic-Atlantic thermohaline circulation. It is found, maybe surprisingly, that the strength of Atlanticinflow is relatively insensitive to anomalous freshwater input; it mainly reflects changes in northern heat loss. Freshwater anomalies are predominantly balanced by the inflow's partition into estuarineand overturning circulation with southward polar outflow in the surface and dense overflow at depth, respectively. More quantitatively, the approach presented herein provides a relatively simple framework for making closed and consistent inference on the thermohaline circulation's response to observed or estimated past and future change in the northern seas. © 2013 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51586
Appears in Collections: 气候变化事实与影响
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作者单位: Geophysical Institute, University of Bergen, Bergen, Norway; Bjerknes Centre for Climate Research, Bergen, Norway; Nansen Environmental and Remote Sensing Center, Bergen, Norway
Recommended Citation:
Eldevik T.,Nilsen J.E.Ø.. The arctic-atlantic thermohaline circulation[J]. Journal of Climate,2013-01-01,26(21)