IOCAS-IR  > 海洋环流与波动重点实验室
The seasonal variation of the North Pacific Meridional Overturning Circulation heat transport
Liu Hongwei1,2,3,6; Zhang Qilong1,2,6; Pang Chongguang1,2,6; Duan Yongliang4,5; Xu Jianping3
2019-03-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume37Issue:2Pages:423-433
Corresponding AuthorZhang Qilong(qlzhang@qdio.ac.cn)
AbstractBased on the 50-year SODA reanalysis data, we investigated the basic characteristics and seasonal changes of the meridional heat transport carried by the North Pacific Meridional Overturning Circulation. And we also examined the dynamical and thermodynamic mechanisms responsible for these heat transport variability at the seasonal time scale. Among four cells, the tropical cell (TC) is strongest with a northward heat transport (NHT) of (1.75 +/- 0.30) PW (1 PW=1.0x10(15) W) and a southward heat transport (SHT) of (-1.69 +/- 0.55) PW, the subtropical cell (STC) is second with a NHT of (0.71 +/- 0.65) PW and SHT of (-0.63 +/- 0.53) PW, the deep tropical cell (DTC) is third with a NHT of (0.18 +/- 0.03) PW and SHT of (-0.18 +/- 0.11) PW, while the subpolar cell (SPC) is weakest with a NHT of (0.09 +/- 0.05) PW and SHT of (-0.07 +/- 0.09) PW. These four cells all have different seasonal changes in their NHT and SHT. Of all, the TC has stronger change in its SHT than in its NHT, so do both the DTC and SPC, but the seasonal change in the STC SHT is weaker than that in its NHT. Therefore, their dynamical and thermodynamic mechanisms are different each other. The local zonal wind stress and net surface heat flux are mainly responsible for the seasonal changes in the TC and STC NHTs and SPC SHT, while the local thermocline circulations and sea temperature are primarily responsible for the seasonal changes of the TC, STC and DTC SHTs and SPC NHT.
Keywordmeridional overturning circulation heat transport North Pacific seasonal variation
DOI10.1007/s00343-019-8027-y
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41406012] ; National Natural Science Foundation of China[41576060] ; Open Fund of State Key Laboratory of Satellite Ocean Environment Dynamics (Second Institute of Oceanography)[SOED1613] ; Open Fund of Key Laboratory of Global Change and Marine-Atmospheric Chemistry, State Oceanic Administration, China[GCMAC1501] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1406401]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000464895600005
PublisherSCIENCE PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161066
Collection海洋环流与波动重点实验室
Corresponding AuthorZhang Qilong
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Qingdao 266071, Shandong, Peoples R China
3.MNR, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China
4.MNR, Inst Oceanog 1, Ctr Ocean & Climate Res, Qingdao 266061, Shandong, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao 266061, Shandong, Peoples R China
6.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu Hongwei,Zhang Qilong,Pang Chongguang,et al. The seasonal variation of the North Pacific Meridional Overturning Circulation heat transport[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2019,37(2):423-433.
APA Liu Hongwei,Zhang Qilong,Pang Chongguang,Duan Yongliang,&Xu Jianping.(2019).The seasonal variation of the North Pacific Meridional Overturning Circulation heat transport.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,37(2),423-433.
MLA Liu Hongwei,et al."The seasonal variation of the North Pacific Meridional Overturning Circulation heat transport".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 37.2(2019):423-433.
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