IOCAS-IR  > 海洋环流与波动重点实验室
Spatiotemporal Features of Intraseasonal Oceanic Variability in the Philippine Sea From Mooring Observations and Numerical Simulations
Hu, Shijian1,2,3,4,5; Sprintall, Janet6; Guan, Cong1,2,3,4; Sun, Bowen1,2,4; Wang, Fan1,2,3,4; Yang, Guang7,8; Jia, Fan1,3,4; Wang, Jianing1,3,4; Hu, Dunxin1,2,3,4; Chai, Fei5,9
2018-07-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN2169-9275
Volume123Issue:7Pages:4874-4887
Corresponding AuthorHu, Shijian(sjhu@qdio.ac.cn)
AbstractThe Philippine Sea is located within the pathway of the propagating Madden-Julian Oscillation system and is also the destination for the North Pacific mesoscale oceanic eddies and waves. As such, the Philippine Sea is characterized by striking intraseasonal variability (ISV; 20-90 days) that plays a key role in bridging weather and climate. Spatial patterns and temporal features of intraseasonal oceanic variability along the Philippine coast are investigated using mooring observations and outputs from an eddy-resolving general circulation model. The amplitude of ISV determined from sea level anomaly is found to decrease from the northern and coastal Philippine Sea to the south and interior Pacific Ocean. In contrast, eddy kinetic energy features a northward decreasing gradient with a maximum at about 6 degrees N. The meridional distribution of sea level anomaly and eddy kinetic energy spectra indicates that the ISV period increases with latitude and is symmetrical about the equator. Mesoscale eddies in the upper layer are tracked to explore the statistical distribution. Westward propagating mesoscale eddies and intraseasonal Rossby waves related to dynamic instabilities are an important source of the oceanic ISV in the Philippine Sea. Clear coastal propagation of ISVs related to coastal Kelvin waves is detected the south of about 14 degrees N. Composite analysis shows that the Madden-Julian Oscillation is another important forcing shaping the spatial features of Philippine ISV intensity and contributes close to half of the observed total ISV.
DOI10.1029/2017JC013653
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41406016] ; National Natural Science Foundation of China[41776018] ; National Natural Science Foundation of China[41330963] ; National Natural Science Foundation of China[41730534] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-SYS023] ; Open Fund of State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography[QNHX1601] ; Open Fund of the Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences[KLOCW1801] ; NOAA's Climate Program Office, Climate Variability and Predictability Program[NA17OAR4310257] ; China Postdoctoral Science Foundation[2017M622289]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000441888200025
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/159910
Collection海洋环流与波动重点实验室
Corresponding AuthorHu, Shijian
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
5.State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou, Zhejiang, Peoples R China
6.Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA
7.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao, Peoples R China
8.State Ocean Adm, Inst Oceanog 1, Ctr Ocean & Climate Res, Qingdao, Peoples R China
9.Univ Maine, Sch Marine Sci, Orono, ME USA
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
Hu, Shijian,Sprintall, Janet,Guan, Cong,et al. Spatiotemporal Features of Intraseasonal Oceanic Variability in the Philippine Sea From Mooring Observations and Numerical Simulations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2018,123(7):4874-4887.
APA Hu, Shijian.,Sprintall, Janet.,Guan, Cong.,Sun, Bowen.,Wang, Fan.,...&Chai, Fei.(2018).Spatiotemporal Features of Intraseasonal Oceanic Variability in the Philippine Sea From Mooring Observations and Numerical Simulations.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,123(7),4874-4887.
MLA Hu, Shijian,et al."Spatiotemporal Features of Intraseasonal Oceanic Variability in the Philippine Sea From Mooring Observations and Numerical Simulations".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 123.7(2018):4874-4887.
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