DOI: 10.1175/JCLI-D-16-0138.1
Scopus记录号: 2-s2.0-84994030120
论文题名: Ocean heat uptake and interbasin transport of the passive and redistributive components of surface heating
作者: Garuba O.A. ; Klinger B.A.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2016
卷: 29, 期: 20 起始页码: 7507
结束页码: 7527
语种: 英语
Scopus关键词: Atmospheric temperature
; Belt conveyors
; Climate models
; Enthalpy
; Global warming
; Heat flux
; Radioactive tracers
; Atlantic meridional overturning circulations
; Ocean circulation
; Ocean dynamics
; Ocean model
; Reservoir temperatures
; Surface heat fluxes
; Surface temperatures
; Thermohaline circulations
; Oceanography
; advection
; climate modeling
; heat flux
; heating
; meridional circulation
; oceanic circulation
; thermohaline circulation
; Atlantic Ocean
; Indian Ocean
; Pacific Ocean
英文摘要: Global warming induces ocean circulation changes that not only can redistribute ocean reservoir temperature stratification but also change the total heat content anomaly of the ocean. Here all consequences of this process are referred to collectively as "redistribution." Previous model studies of redistributive effects could not measure the net global contribution to the amount of ocean heat uptake by redistribution. In this study, a global ocean model experiment with abrupt increase in surface temperature is conducted with a new passive tracer formulation. This separates ocean heat uptake into contributions due to redistribution temperature and surface heat flux anomalies and those due to the passive advection and mixing of surface heat flux anomalies forced in the atmosphere. For a decline in the Atlantic meridional overturning circulation of about 40%, redistribution nearly doubles the Atlantic passive anomalous surface heat input and depth penetration of temperature anomalies. However, smaller increases in the Indian and Pacific Oceans cause the net global redistributive contribution to be only 25% of the passive contribution. Despite the much larger anomalous surface heat input in the Atlantic, the Pacific gains heat content anomaly similar to that in the Atlantic because of export from the Atlantic and Indian Oceans via the global conveyor belt. Of this interbasin heat transport, most of the passive component comes from the Indian Ocean and the redistributive component comes from the Atlantic. © 2016 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/50094
Appears in Collections: 气候变化事实与影响
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作者单位: George Mason University, Fairfax, VA, United States
Recommended Citation:
Garuba O.A.,Klinger B.A.. Ocean heat uptake and interbasin transport of the passive and redistributive components of surface heating[J]. Journal of Climate,2016-01-01,29(20)