IOCAS-IR  > 海洋环流与波动重点实验室
Spatial-Temporal Variations and Mechanisms of the Upper Ocean Heat Content in the South China Sea
Liu, Hongwei1,2,5; Zhang, Qilong1,2,5; Pang, Chongguang1,2,5; Cai, Rongshuo3; Qi, Qinghua3; Zheng, Dongmei4
2019-04-01
Source PublicationPURE AND APPLIED GEOPHYSICS
ISSN0033-4553
Volume176Issue:4Pages:1847-1861
Corresponding AuthorLiu, Hongwei(liuhongwei@qdio.ac.cn)
AbstractThe variability of the upper ocean heat content (OHC) of the South China Sea (SCS) has a significant regional climate impact on the surrounding East and Southeast Asian countries. In this paper, the spatial-temporal variations of the upper OHC in the SCS and their relations to El Nino-Southern Oscillation (ENSO) are analyzed using empirical orthogonal functions and correlation analysis. The mechanisms for the interannual OHC variability associated with ENSO and regime shift in 1998 are further examined using composite and correlation analysis methods. The results show that the OHC anomaly field is mainly composed of two leading modes, i.e., an in-phase oscillation mode and a zonal anti-phase oscillation mode. The in-phase oscillation mode exhibits strong interannual variability with periods of 2-5years, which is well related to ENSO at a lead of 6months, and experienced a regime shift in 1998. The anti-phase oscillation mode shows only a strong interannual variability with periods of 2-4years well related to ENSO at a lag of 4months. The composite analysis reveals that horizontal thermal advection mainly controlled by wind forcing plays a primary role in modulating the interannual OHC variability associated with ENSO, while net surface heat flux is the secondary source. And the OHC regime shift in 1998 primarily results from both the strong cold advection during the extremely strong El Nino in 1997 and the subsequent warm advection during the strong La Nina in 1998.
KeywordThe South China Sea Heat content spatial and temporal variation regime shift
DOI10.1007/s00024-018-2051-2
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41406012] ; National Natural Science Foundation of China[41576060] ; National Key R&D Program of China[2016YFC0301203] ; Open Fund of Key Laboratory of Global Change and Marine-Atmospheric Chemistry, State Oceanic Administration, China[GCMAC1501] ; Open Fund of State Key Laboratory of Satellite Ocean Environment Dynamics (Second Institute of Oceanography)[SOED1613] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1406401]
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000463789200029
PublisherSPRINGER BASEL AG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161195
Collection海洋环流与波动重点实验室
Corresponding AuthorLiu, Hongwei
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.State Ocean Adm, Inst Oceanog 3, Key Lab Global Change & Marine Atmospher Chem, Xiamen 361005, Peoples R China
4.Marine Environm Forecasting & Disaster Preventing, Shenyang 110001, Liaoning, Peoples R China
5.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Hongwei,Zhang, Qilong,Pang, Chongguang,et al. Spatial-Temporal Variations and Mechanisms of the Upper Ocean Heat Content in the South China Sea[J]. PURE AND APPLIED GEOPHYSICS,2019,176(4):1847-1861.
APA Liu, Hongwei,Zhang, Qilong,Pang, Chongguang,Cai, Rongshuo,Qi, Qinghua,&Zheng, Dongmei.(2019).Spatial-Temporal Variations and Mechanisms of the Upper Ocean Heat Content in the South China Sea.PURE AND APPLIED GEOPHYSICS,176(4),1847-1861.
MLA Liu, Hongwei,et al."Spatial-Temporal Variations and Mechanisms of the Upper Ocean Heat Content in the South China Sea".PURE AND APPLIED GEOPHYSICS 176.4(2019):1847-1861.
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