DOI: 10.1175/JCLI-D-17-0505.1
Scopus记录号: 2-s2.0-85041963996
论文题名: Ocean chlorophyll-induced heating feedbacks on ENSO in a coupled ocean physics-biology model forced by prescribed wind anomalies
作者: Zhang R.-H. ; Tian F. ; Wang X.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2018
卷: 31, 期: 5 起始页码: 1811
结束页码: 1832
语种: 英语
英文关键词: Ecosystem effects
; ENSO
; Feedback
; Ocean dynamics
; Ocean models
; Oceanic variability
Scopus关键词: Atmospheric pressure
; Biology
; Chlorophyll
; Climatology
; Feedback
; Nickel
; Solar radiation
; Surface waters
; Thermodynamics
; Ecosystem effects
; ENSO
; Ocean dynamics
; Ocean model
; Oceanic variabilities
; Oceanography
; air-sea interaction
; chlorophyll
; climatology
; concentration (composition)
; ecosystem response
; El Nino-Southern Oscillation
; feedback mechanism
; heating
; sea surface temperature
; solar radiation
; upper ocean
; vertical distribution
; wind forcing
; Pacific Ocean
; Pacific Ocean (Equatorial)
; Pacific Ocean (Tropical)
英文摘要: Ocean biology components affect the vertical redistribution of incoming solar radiation in the upper ocean of the tropical Pacific and can significantly modulate El Niño-Southern Oscillation (ENSO). The biophysical interactions in the region were represented by coupling an ocean biology model with an ocean general circulation model (OGCM); the coupled ocean physics-biology model is then forced by prescribed wind anomalies during 1980-2007. Two ocean-only experiments were performed with different representations of chlorophyll (Chl). In an interannual Chl run (referred to as Chlinter), Chl was interannually varying, which was interactively calculated from the ocean biology model to explicitly represent its heating feedback on ocean thermodynamics. The structure and relationship of the related heating terms were examined to understand the Chl-induced feedback effects and the processes involved. The portion of solar radiation penetrating the bottom of the mixed layer (Qpen) was significantly affected by interannual Chl anomalies in the western-central equatorial Pacific. In a climatological run (Chlclim), the Chl concentration was prescribed to be its seasonally varying climatology derived from the Chlinter run. Compared with the Chlclim run, interannual variability in the Chlinter run tended to be reduced. The sea surface temperature (SST) differences between the two runs exhibited an asymmetric bioeffect: they were stronger during La Niña events but relatively weaker during El Niño events. The signs of the SST differences between the two runs indicated a close relationship with Chl: a cooling effect was associated with a low Chl concentration during El Niño events, and a strong warming effect was associated with a high Chl concentration during La Niña events. © 2018 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/111634
Appears in Collections: 气候减缓与适应
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作者单位: Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, China; University of Chinese Academy of Sciences, Beijing, China; College of Global Change and Earth System Science, Beijing Normal University, Beijing, China; Joint Center for Global Change Studies, Beijing, China
Recommended Citation:
Zhang R.-H.,Tian F.,Wang X.. Ocean chlorophyll-induced heating feedbacks on ENSO in a coupled ocean physics-biology model forced by prescribed wind anomalies[J]. Journal of Climate,2018-01-01,31(5)