Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-17-0686.1 |
Hemispheric Asymmetry in the Ventilated Thermocline of the Tropical Pacific | |
Kuntz, L. B.; Schrag, D. P. | |
2018-02-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:3页码:1281-1288 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
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. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000425166100020 |
WOS关键词 | MERIDIONAL OVERTURNING CIRCULATION ; EQUATORIAL UNDERCURRENT ; INDONESIAN THROUGHFLOW ; DECADAL VARIABILITY ; BOMB RADIOCARBON ; OCEAN ; PATHWAYS ; WATER ; ORIGINS ; MODELS |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/21094 |
专题 | 气候变化 |
作者单位 | Harvard Univ, Dept Earth & Planetary Sci, 20 Oxford St, Cambridge, MA 02138 USA |
推荐引用方式 GB/T 7714 | Kuntz, L. B.,Schrag, D. P.. Hemispheric Asymmetry in the Ventilated Thermocline of the Tropical Pacific[J]. JOURNAL OF CLIMATE,2018,31(3):1281-1288. |
APA | Kuntz, L. B.,&Schrag, D. P..(2018).Hemispheric Asymmetry in the Ventilated Thermocline of the Tropical Pacific.JOURNAL OF CLIMATE,31(3),1281-1288. |
MLA | Kuntz, L. B.,et al."Hemispheric Asymmetry in the Ventilated Thermocline of the Tropical Pacific".JOURNAL OF CLIMATE 31.3(2018):1281-1288. |
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