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Examining the salinity change in the upper Pacific Ocean during the Argo period
Li, Guancheng1; Zhang, Yuhong2; Xiao, Jingen3; Song, Xiangzhou4; Abraham, John5; Cheng, Lijing1; Zhu, Jiang1; chenglij@mail.iap.ac.cn
2019
Source PublicationCLIMATE DYNAMICS
Volume53Issue:2020-09-10Pages:6055
AbstractDuring the Argo period, the Pacific Ocean as well as the global oceans became saltier in the upper-200 m from 2005 to 2015, with a significant spatial variability. Using Argo-based observations and the Estimating the Circulation and Climate of the Ocean (ECCO), a salinity budget analysis in the upper 200 m was conducted to investigate what controls the recent observed salinity change in the Pacific Ocean. The results showed that the increasing salinity since 2005 was mainly caused by a reduction of surface precipitation. The ocean advection dampened the surface freshwater anomalies and rebuilt regional salinity balance. Both precipitation and advection are closely associated with the sea surface wind anomalies, suggesting the wind-driven changes in the ocean salinity field. A further analysis using an ocean objective analysis product and model simulations in addition to ECCO suggests that the recent salinity pattern since 2005 are related to the Interdecadal Pacific Oscillation (IPO). This study also highlights the strong regulation of the ocean salinity change by natural decadal variability in the climate system.
KeywordUpper layer salinity changes Precipitation Ocean advection Interdecadal Pacific Oscillation (IPO) Surface winds
Funding OrganizationNational Key R&D Program of China [2017YFA0603202, 2016YFC1401800, s/en4/download-en4-2-0] ; National Key R&D Program of China [2017YFA0603202, 2016YFC1401800, s/en4/download-en4-2-0]
DOI10.1007/s00382-019-04912-z
Funding OrganizationNational Key R&D Program of China [2017YFA0603202, 2016YFC1401800, s/en4/download-en4-2-0] ; National Key R&D Program of China [2017YFA0603202, 2016YFC1401800, s/en4/download-en4-2-0]
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/18205
Collection热带海洋环境国家重点实验室(LTO)
Affiliation1.Chinese Acad Sci, Inst Atmospher Phys, Int Ctr Climate & Environm Sci, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
4.Tianjin Univ, Sch Marine Sci & Technol, Tianjin 300072, Peoples R China
5.Hohai Univ, Coll Oceanog, Nanjing 210098, Jiangsu, Peoples R China
6.Univ St Thomas, St Paul, MN 55105 USA
Recommended Citation
GB/T 7714
Li, Guancheng,Zhang, Yuhong,Xiao, Jingen,et al. Examining the salinity change in the upper Pacific Ocean during the Argo period[J]. CLIMATE DYNAMICS,2019,53(2020-09-10):6055, 6074.
APA Li, Guancheng.,Zhang, Yuhong.,Xiao, Jingen.,Song, Xiangzhou.,Abraham, John.,...&chenglij@mail.iap.ac.cn.(2019).Examining the salinity change in the upper Pacific Ocean during the Argo period.CLIMATE DYNAMICS,53(2020-09-10),6055.
MLA Li, Guancheng,et al."Examining the salinity change in the upper Pacific Ocean during the Argo period".CLIMATE DYNAMICS 53.2020-09-10(2019):6055.
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