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An Updated Estimate of the Indonesian Throughflow Geostrophic Transport: Interannual Variability and Salinity Effect

文献类型：期刊论文

作者Guo, Yaru4; Li, Yuanlong1,4; Cheng, Lijing2; Chen, Gengxin3; Liu, Qinyan3; Tian, Tian2,5; Hu, Shijian1,4; Wang, Jing1,4; Wang, Fan1,4
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2023-07-16
卷号50期号:13页码:10
关键词Indonesian Throughflow geostrophic transport XBT-IX1 section salinity component uncertainty estimation temperature component
ISSN号0094-8276
DOI10.1029/2023GL103748
通讯作者Li, Yuanlong(liyuanlong@qdio.ac.cn)
英文摘要While the pivotal role of the Indonesian Throughflow (ITF) in the global ocean circulation and climate has been widely recognized, accurate estimation of its volume transport based on observational data remains challenging. This work provides an updated estimate of the monthly ITF geostrophic transport (ITFG) in the upper 700 m at the IX1 section between Indonesia and Australia. The ITFG estimate is better constrained by improved data correction and new salinity data products. The mean ITFG of 1993-2018 is 8.2 & PLUSMN; 0.2 Sv, in which contributions of the temperature and salinity components (ITFT and ITFS) are 5.5 & PLUSMN; 0.2 and 2.8 & PLUSMN; 0.1 Sv, respectively. The interannual variability (& SIM;4.4 Sv in standard deviation) is dominated by ITFT, as the result of wind-driven thermocline dynamics, and slightly attenuated in amplitude by ITFS. The strengthening trend of 1.33 Sv decade(-1) during 1993-2018 primarily arises from ITFS and secondarily from ITFT.
WOS关键词SOUTHEAST INDIAN-OCEAN ; SEA-LEVEL ; LEEUWIN CURRENT ; HEAT-CONTENT ; PACIFIC ; CIRCULATION ; EXCHANGE ; DIPOLE ; MECHANISMS ; PATHWAYS
资助项目National Key Ramp;D Program of China[2019YFA0606702] ; Strategic Priority Research Program of CAS[XDB42000000] ; Laoshan Laboratory[LSKJ202202601] ; Interdisciplinary Innovation Team of Chinese Academy of Sciences[JCTD-2020-12] ; China Postdoctoral Science Foundation[2022M723182] ; IOCAS ; Oceanographic Data Center
WOS研究方向Geology
语种英语
WOS记录号WOS:001022459700001
出版者AMER GEOPHYSICAL UNION
源URL[http://ir.qdio.ac.cn/handle/337002/182445]  
专题海洋研究所_海洋环流与波动重点实验室
通讯作者Li, Yuanlong
作者单位1.Laoshan Lab, Qingdao, Peoples R China
2.Chinese Acad Sci, Inst Atmospher Phys, Beijing, Peoples R China
3.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
5.Natl Univ Def Technol, Coll Meteorol & Oceanog, Changsha, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Yaru,Li, Yuanlong,Cheng, Lijing,et al. An Updated Estimate of the Indonesian Throughflow Geostrophic Transport: Interannual Variability and Salinity Effect[J]. GEOPHYSICAL RESEARCH LETTERS,2023,50(13):10.
APA Guo, Yaru.,Li, Yuanlong.,Cheng, Lijing.,Chen, Gengxin.,Liu, Qinyan.,...&Wang, Fan.(2023).An Updated Estimate of the Indonesian Throughflow Geostrophic Transport: Interannual Variability and Salinity Effect.GEOPHYSICAL RESEARCH LETTERS,50(13),10.
MLA Guo, Yaru,et al."An Updated Estimate of the Indonesian Throughflow Geostrophic Transport: Interannual Variability and Salinity Effect".GEOPHYSICAL RESEARCH LETTERS 50.13(2023):10.

入库方式： OAI收割

来源：海洋研究所

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