IOCAS-IR  > 海洋环流与波动重点实验室
Interannual Variability of the Sulawesi Sea Circulation Forced by Indo-Pacific Planetary Waves
Hu, Xiaoyue1,2,3,4; Sprintall, Janet5; Yuan, Dongliang1,2,3,4; Tranchant, Benoit6; Gaspar, Philippe6; Koch-Larrouy, Ariane7,8; Reffray, Guillaume8; Li, Xiang1,3,4; Wang, Zheng1,3,4; Li, Yao1,3,4; Nugroho, Dwiyoga9; Corvianawatie, Corry1,2,10; Surinati, Dewi10
2019-03-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN2169-9275
Volume124Issue:3Pages:1616-1633
Corresponding AuthorYuan, Dongliang(dyuan@qdio.ac.cn)
AbstractThe regional INDESO model configured in the Indonesian seas from 2008 to 2016 is used to study the mechanisms responsible for the variability of the currents in the Sulawesi Sea of the Indonesian seas. The model simulation compares reasonably with the seasonal to interannual variability of the moored current meter observations in the upper 350m or so of the Maluku Channel during 2015 and 2016. The interannual variability of the currents in the eastern Sulawesi Sea in the model is found to be associated with both the Pacific and Indian Ocean remote forcing. Lag correlation analysis and a theoretical linear wave model simulation suggest that both the equatorial Kelvin waves from the Indian Ocean and the coastally trapped Kelvin waves from the western Pacific along the Philippine coast can propagate through the Indonesian seas and arrive at the Maluku Channel. In particular, from mid-2015 to 2016 the Indian Ocean Kelvin waves are found to significantly impact the sea level anomaly variability in the Maluku Channel. The results indicate the importance of Indo-Pacific planetary waves to the interannual variability of the currents in the Sulawesi Sea at the entrance of the Indonesian seas. Plain Language Summary The Indonesian seas provide a tropical connection for the climate systems over the tropical Pacific and Indian Oceans, the dynamics of which are not clear so far. This study uses a high-resolution computer model to simulate the currents measured by an acoustic current meter attached to a deep ocean mooring in the Maluku Channel of the northeastern Indonesian seas. Based on the successful simulation, the dynamics of the interannual variations of the circulation in the Maluku Channel are studied using the model and a simplified theoretical linear model. The interannual currents and sea level variability in the Maluku Channel are found to be affected by both the Indian Ocean Kelvin waves and the Philippine coastal Kelvin waves. It is found that the Indian Ocean Kelvin waves dominate the sea level variability in the Maluku Channel from mid-2015 to 2016. In early 2015, the sea level variability in the Maluku Channel is dominated by the coastal Kelvin waves from the east Philippine coasts. The results are important for the understanding of the circulation at the entrance of the Indonesian seas and of the Indo-Pacific interactions through the propagation of the planetary waves.
KeywordKelvin wave Indonesian seas SLA high-resolution model mooring observation Sulawesi Sea
DOI10.1029/2018JC014356
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[41421005] ; National Natural Science Foundation of China (NSFC)[41720104008] ; National Natural Science Foundation of China (NSFC)[41876025] ; Chinese Academy of Sciences[XDA11010205] ; Qingdao National Laboratory for Marine Science and Technology (QNLM) Project[2016ASKJ04] ; Shandong Provincial Project[U1606402] ; China Scholarship Council (CSC) ; NOAA's Climate Program Office, Climate Variability, and Predictability Program[NA17OAR4310257]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000464656900015
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161180
Collection海洋环流与波动重点实验室
Corresponding AuthorYuan, Dongliang
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Wave, Qingdao, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Shandong, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Shandong, Peoples R China
5.Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA
6.CLS, Ramonville St Agne, France
7.LEGOS, Toulouse, France
8.Mercator Ocean, Ramonville St Agne, France
9.Agcy Res & Dev Marine & Fisheries, MMAF, Jakarta, Indonesia
10.Indonesian Inst Sci, Res Ctr Oceanog, Jakarta, Indonesia
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hu, Xiaoyue,Sprintall, Janet,Yuan, Dongliang,et al. Interannual Variability of the Sulawesi Sea Circulation Forced by Indo-Pacific Planetary Waves[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2019,124(3):1616-1633.
APA Hu, Xiaoyue.,Sprintall, Janet.,Yuan, Dongliang.,Tranchant, Benoit.,Gaspar, Philippe.,...&Surinati, Dewi.(2019).Interannual Variability of the Sulawesi Sea Circulation Forced by Indo-Pacific Planetary Waves.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,124(3),1616-1633.
MLA Hu, Xiaoyue,et al."Interannual Variability of the Sulawesi Sea Circulation Forced by Indo-Pacific Planetary Waves".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 124.3(2019):1616-1633.
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