| DOI: | 10.1175/JCLI-D-17-0686.1
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| Scopus记录号: | 2-s2.0-85040930322
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| 论文题名: | Hemispheric asymmetry in the ventilated thermocline of the tropical pacific |
| 作者: | Kuntz L.B.; Schrag D.P.
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| 刊名: | Journal of Climate
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| ISSN: | 8948755
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| 出版年: | 2018
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| 卷: | 31, 期:3 | | 起始页码: | 1281
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| 结束页码: | 1288
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| 语种: | 英语
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| 英文关键词: | Currents
; Mass fluxes/transport
; Measurements
; Ocean circulation
; Thermocline circulation
; Water masses
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| Scopus关键词: | Measurement
; Ocean currents
; Oceanography
; Salinity measurement
; Tropics
; Ventilation
; Eastern equatorial Pacific
; Equatorial undercurrents
; Hemi-spheric asymmetries
; Mass fluxes/transport
; Ocean circulation
; Thermocline circulation
; Tropical atmosphere ocean buoys
; Water mass
; Stream flow
; air-sea interaction
; equatorial dynamics
; mass transport
; oceanic circulation
; oceanic current
; Southern Hemisphere
; thermocline
; water mass
; Pacific Ocean
; Pacific Ocean (Tropical)
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| 英文摘要: | To understand sources of variability in the eastern equatorial Pacific, a region integral to modulating global temperatures, the waters upwelling from the Equatorial Undercurrent (EUC) are characterized. Past work is updated using temperature and salinity measurements from the Argo array and current measurements from Tropical Atmosphere Ocean (TAO) buoys. A larger hemispheric asymmetry is found in the water mass contribution through the ventilated thermocline to the EUC than previously reported, with 80%-90% of waters in the western Pacific originating from the Southern Hemisphere. South Pacific subtropical waters are the dominant source feeding the EUC, although in the central equatorial Pacific upper layers of the EUC experience freshening due to the addition of North Pacific waters. Anomalous volume transport, advection of anomalous waters, and shifts in hemispheric contributions contribute to variability in the EUC. These results suggest that variability in the EUC caused by anomalies in the South Pacific ventilated thermocline can explain variability in the eastern equatorial Pacific. © 2018 American Meteorological Society. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/111677
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| Appears in Collections: | 气候减缓与适应
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作者单位: | Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, United States
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| Recommended Citation: | |
Kuntz L.B.,Schrag D.P.. Hemispheric asymmetry in the ventilated thermocline of the tropical pacific[J]. Journal of Climate,2018-01-01,31(3)
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