Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016JD026192 |
An observational study of the North Pacific storm-track impact on the midlatitude oceanic front | |
Yao, Yao1; Zhong, Zhong1,2; Yang, Xiu-Qun2; Lu, Wei1 | |
2017-07-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:13 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | A lagged Maximum Covariance Analysis is used to examine the impact of North Pacific storm-track activity on midlatitude oceanic frontal intensity in this study. It is found that an enhanced storm track tends to intensify the oceanic frontal intensity with a lag of 1-2 months. The forcing effect of storm-track anomalies on oceanic frontal intensity is strongest in autumn, followed by that in summer and winter, and it is weakest in spring. Moreover, the mixed layer heat budget analysis suggests that sea surface temperature anomalies (SSTAs) related to oceanic fronts are primarily attributed to the storm-track-induced net surface heat flux and Ekman advection anomalies, while contributions of geostrophic advection and entrainment are relatively small. In summer and autumn, the impact of net surface heat flux anomalies on SSTAs plays a more important role than that of Ekman heat transport anomalies. Whereas in winter, Ekman heat transport anomaly forcing is comparable to the net surface heat flux forcing. Anomalous turbulent heat fluxes contribute to generating net surface heat flux anomalies in those three seasons, while the shortwave radiative fluxes make a strong contribution in summer but have little impact in winter. The anomalies of both net surface heat flux and Ekman heat transport are presumed to be associated with storm-track-induced surface wind anomalies. Results of the present study provide observational evidences for the positive feedback between the North Pacific storm-track activity and midlatitude oceanic frontal intensity. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000407900300016 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; DECADAL CLIMATE VARIABILITY ; KUROSHIO EXTENSION REGION ; LOW-PRESSURE SYSTEM ; SST ANOMALIES ; MIXED-LAYER ; ATMOSPHERIC CIRCULATION ; GULF-STREAM ; MEAN-FLOW ; HEAT |
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/32996 |
专题 | 气候变化 |
作者单位 | 1.Natl Univ Def Technol, Coll Meteorol & Oceanog, Nanjing, Jiangsu, Peoples R China; 2.Nanjing Univ, Sch Atmospher Sci, Jiangsu Collaborat Innovat Ctr Climate Change, Nanjing, Jiangsu, Peoples R China |
推荐引用方式 GB/T 7714 | Yao, Yao,Zhong, Zhong,Yang, Xiu-Qun,et al. An observational study of the North Pacific storm-track impact on the midlatitude oceanic front[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(13). |
APA | Yao, Yao,Zhong, Zhong,Yang, Xiu-Qun,&Lu, Wei.(2017).An observational study of the North Pacific storm-track impact on the midlatitude oceanic front.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(13). |
MLA | Yao, Yao,et al."An observational study of the North Pacific storm-track impact on the midlatitude oceanic front".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.13(2017). |
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