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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
发表期刊JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
卷号37期号:2页码:423-433
通讯作者Zhang Qilong(qlzhang@qdio.ac.cn)
摘要Based 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.
关键词meridional overturning circulation heat transport North Pacific seasonal variation
DOI10.1007/s00343-019-8027-y
收录类别SCI
语种英语
资助项目National 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] ; National 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研究方向Marine & Freshwater Biology ; Oceanography
WOS类目Limnology ; Oceanography
WOS记录号WOS:000464895600005
出版者SCIENCE PRESS
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/161066
专题海洋环流与波动重点实验室
通讯作者Zhang Qilong
作者单位1.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
第一作者单位海洋环流与波动重点实验室;  中国科学院海洋大科学研究中心
通讯作者单位海洋环流与波动重点实验室;  中国科学院海洋大科学研究中心
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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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