IOCAS-IR  > 海洋生态与环境科学重点实验室
Impact of Kuroshio on the dissolved oxygen in the East China Sea region
Zuo Jiulong1,2,3,5; Song Jinming1,2,3,4; Yuan Huamao1,2,3,4; Li Xuegang1,2,3,4; Li Ning1,2,3,4; Duan Liqin1,2,3,4
2019-03-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume37Issue:2Pages:513-524
Corresponding AuthorSong Jinming(jmsong@qdio.ac.cn)
AbstractA marine survey was conducted from 18 May to 13 June 2014 in the East China Sea (ECS) and its adjacent Kuroshio Current to examine the spatial distribution and biogeochemical characteristics of dissolved oxygen (DO) in spring. Waters were sampled at 10-25 m intervals within 100 m depth, and at 25500 m beyond 100 m. The depth, temperature, salinity, and density (sigma-t) were measured in situ with a conductivity-temperature-depth (CTD) sensor. DO concentrations were determined on board using traditional Winkler titration method. The results show that in the Kuroshio Current, DO content was the highest in the euphotic layer, then decreased sharply with depth to about 1 000 m, and increased with depth gradually thereafter. While in the ECS continental shelf area, DO content had high values in the coastal surface water and low values in the near-bottom water. In addition, a low-DO zone off the Changjiang (Yangtze) River estuary was found in spring 2014, and it was formed under the combined influence of many factors, including water stratification, high primary productivity in the euphotic layers, high accumulation/ sedimentation of organic matter below the euphotic layers, and mixing/transport of oceanic current waters on the shelf. Most notable among these is the Kuroshio intruded water, an oceanic current water which carried rich dissolved oxygen onto the continental shelf and alleviated the oxygen deficit phenomenon in the ECS, could impact the position, range, and intensity, thus the formation/destruction of the ECS Hypoxia Zone.
Keyworddissolved oxygen hypoxia Kuroshio intrusion East China Sea
DOI10.1007/s00343-019-7389-5
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA11020102] ; National Natural Science Foundation of China-Shandong Joint Fund[U1606404] ; Aoshan Program - Qingdao National Laboratory for Marine Science and Technology[2016ASKJ14]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000464895600012
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161102
Collection海洋生态与环境科学重点实验室
Corresponding AuthorSong Jinming
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Shandong, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
5.Hebei Agr Univ, Ocean Coll, Qinhuangdao 066000, Hebei, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zuo Jiulong,Song Jinming,Yuan Huamao,et al. Impact of Kuroshio on the dissolved oxygen in the East China Sea region[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2019,37(2):513-524.
APA Zuo Jiulong,Song Jinming,Yuan Huamao,Li Xuegang,Li Ning,&Duan Liqin.(2019).Impact of Kuroshio on the dissolved oxygen in the East China Sea region.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,37(2),513-524.
MLA Zuo Jiulong,et al."Impact of Kuroshio on the dissolved oxygen in the East China Sea region".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 37.2(2019):513-524.
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