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  5. 海洋环流观测与数值模拟研究室
Baroclinic Characteristics and Energetics of Annual Rossby Waves in the Southern Tropical Indian Ocean

文献类型：期刊论文

作者Huang, Ke7,9,10; Wang, Dongxiao6,8; Feng, Ming5; Han, Weiqing4; Chen, Gengxin7,9,10; Sun, Chaojiao5; Zhang, Xiaolin1,4; Xie, Qiang2,3,10; Wang, Weiqiang7,9,10; Liu, Qinyan7,9,10
刊名JOURNAL OF PHYSICAL OCEANOGRAPHY
出版日期2020-09-01
卷号50期号:9页码:2591-2607
ISSN号0022-3670
DOI10.1175/JPO-D-19-0294.1
英文摘要The first baroclinic mode Rossby wave is known to be of critical importance to the annual sea level variability in the southern tropical Indian Ocean (STIO; 0 degrees-20 degrees S, 50 degrees-115 degrees E). In this study, an analysis of continuously stratified linear ocean model reveals that the second baroclinic mode also has significant contribution to the annual sea level variability (as high as 81% of the first baroclinic mode). The contributions of residual high-order modes (3 <= n <= 25) are much less. The superposition of low-order (first and second) baroclinic Rossby waves (BRWs) primarily contribute to the high energy center of sea level variability at similar to 10 degrees S in the STIO and the vertical energy penetration below the seasonal thermocline. We have found that 1) the low-order BRWs, having longer zonal wavelengths and weaker damping, can couple more efficiently to the local large-scale wind forcing than the high-order modes and 2) the zonal coherency of the Ekman pumping results in the latitudinal energy maximum of low-order BRWs. Overall, this study extends the traditional analysis to suggest the characteristics of the second baroclinic mode need to be taken into account in interpreting the annual variability in the STIO.
WOS关键词SEA-LEVEL VARIABILITY ; INTRASEASONAL VARIABILITY ; SEASONAL CIRCULATION ; EQUATORIAL WAVES ; PACIFIC ; DYNAMICS ; PROPAGATION ; GENERATION ; BOUNDARY ; MONSOON
资助项目National Key Research and Development Program of China[2017YFC1405100] ; Innovative Research Group of National Natural Science Foundation of China[41521005] ; China Ocean Mineral Resources RD Association[DY135-E2-4] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB42000000] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20060502] ; Second Tibetan Plateau Scientific Expedition and Research (STEP) program[2019QZKK0102] ; NSFCs[91958202] ; NSFCs[41706027] ; NSFCs[41822602] ; NSFCs[41976016] ; NSFCs[41676010] ; NSFCs[41676013] ; NSFCs[2017YFB0502700] ; NSFCs[2016YFC1401401] ; NSFCs[GML2019ZD0306] ; NSFCs[ISEE2018PY06] ; NSFCs[DY135-E2-4-02] ; NSFCs[LTOZZ2002] ; NSFCs[ZDRWXH-2019-2] ; Youth Innovation Promotion Association[CAS 2017397] ; Guangzhou Science and Technology Foundation[201804010133] ; Guangzhou Science and Technology Foundation[NHXX2018WL0101] ; Opening Project of Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration of China ; State Key Laboratory of Marine Environmental Science, Xiamen University
WOS研究方向Oceanography
语种英语
出版者AMER METEOROLOGICAL SOC
WOS记录号WOS:000589825700010
资助机构National Key Research and Development Program of China ; Innovative Research Group of National Natural Science Foundation of China ; China Ocean Mineral Resources RD Association ; Strategic Priority Research Program of Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research (STEP) program ; NSFCs ; Youth Innovation Promotion Association ; Guangzhou Science and Technology Foundation ; Opening Project of Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration of China ; State Key Laboratory of Marine Environmental Science, Xiamen University
源URL[http://ir.idsse.ac.cn/handle/183446/8009]  
专题深海科学研究部_海洋环流观测与数值模拟研究室
通讯作者Wang, Dongxiao; Chen, Gengxin
作者单位1.Univ Hamburg, Hamburg, Germany
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya, Peoples R China
4.Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA
5.CSIRO Oceans & Atmosphere, Crawley, WA, Australia
6.Sun Yat Sen Univ, Sch Marine Sci, Guangzhou, Peoples R China
7.Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, Guangzhou, Peoples R China
8.Southern Marine Sci & Engn Guangdong Lab, Zhuhai, Peoples R China
9.Southern Marine Sci & Engn Guangdong Lab, Guangzhou, Peoples R China
10.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Peoples R China
推荐引用方式
GB/T 7714		 Huang, Ke,Wang, Dongxiao,Feng, Ming,et al. Baroclinic Characteristics and Energetics of Annual Rossby Waves in the Southern Tropical Indian Ocean[J]. JOURNAL OF PHYSICAL OCEANOGRAPHY,2020,50(9):2591-2607.
APA Huang, Ke.,Wang, Dongxiao.,Feng, Ming.,Han, Weiqing.,Chen, Gengxin.,...&Yao, Jinglong.(2020).Baroclinic Characteristics and Energetics of Annual Rossby Waves in the Southern Tropical Indian Ocean.JOURNAL OF PHYSICAL OCEANOGRAPHY,50(9),2591-2607.
MLA Huang, Ke,et al."Baroclinic Characteristics and Energetics of Annual Rossby Waves in the Southern Tropical Indian Ocean".JOURNAL OF PHYSICAL OCEANOGRAPHY 50.9(2020):2591-2607.

入库方式： OAI收割

来源：深海科学与工程研究所

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