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DOI | 10.1002/joc.5906 |
Assessing feedback of tropical instability wave-induced wind stress perturbations in the equatorial Pacific | |
Wei, Yanzhou1; Pei, Yuhua1; Kang, Xianbiao2 | |
2019-03-15 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY |
ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2019 |
卷号 | 39期号:3页码:1634-1643 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | A close relationship between tropical instability wave (TIW)-induced sea surface temperature (SST) and wind stress () perturbations (SSTTIW and (TIW), respectively) has been identified from satellite observations. In this study, we applied an empirical TIW-induced wind stress model ((x), (y))(TIW)=F(SST) to assess (TIW) feedback. This empirical model solves ((x), (y))(TIW) from TIW-induced wind stress divergence and curl estimated from time-evolving downwind and crosswind SST gradients. The empirical model is incorporated into a high-resolution ocean model based on the Regional Ocean Modeling System, and the derived ((x), (y))(TIW) can be added onto the climatological component to force the ocean model, by which the effect of (TIW) can be taken into account adequately. From a comparison of two experiments with and without the (TIW) effect, the (TIW) had a substantial effect on the equatorial Pacific heat budget, which affected the long-term mean SST, representing an approximate 0.2 degrees C difference. An SST budget analysis suggested that the (TIW) influenced SST primarily via thermal advection and vertical mixing, the effects of which were both amplified with additional (TIW) feedback and almost counteracted each other. Analysis of two additional sensitivity experiments suggested that both TIW-induced wind stress divergence and curl components could induce comparable SST differences, with a little difference on that the latter tended to induce more salient SST cooling at the equator. |
英文关键词 | inverse method ROMS tropical instability waves wind stress feedback |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000461606600033 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; SATELLITE-OBSERVATIONS ; KUROSHIO EXTENSION ; HEAT-BUDGET ; OCEAN ; MODEL ; SIMULATION ; VIEW |
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/37289 |
专题 | 气候变化 |
作者单位 | 1.State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, 36 Baochubei Rd, Hangzhou 310012, Zhejiang, Peoples R China; 2.Civil Aviat Flight Univ China, Coll Air Traff Management, Guanghan, Peoples R China |
推荐引用方式 GB/T 7714 | Wei, Yanzhou,Pei, Yuhua,Kang, Xianbiao. Assessing feedback of tropical instability wave-induced wind stress perturbations in the equatorial Pacific[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2019,39(3):1634-1643. |
APA | Wei, Yanzhou,Pei, Yuhua,&Kang, Xianbiao.(2019).Assessing feedback of tropical instability wave-induced wind stress perturbations in the equatorial Pacific.INTERNATIONAL JOURNAL OF CLIMATOLOGY,39(3),1634-1643. |
MLA | Wei, Yanzhou,et al."Assessing feedback of tropical instability wave-induced wind stress perturbations in the equatorial Pacific".INTERNATIONAL JOURNAL OF CLIMATOLOGY 39.3(2019):1634-1643. |
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