Different fates of particulate matters driven by marine hypoxia: A case study of oxygen minimum zone in the Western Pacific

doi:10.1016/j.marenvres.2024.106648

	Different fates of particulate matters driven by marine hypoxia: A case study of oxygen minimum zone in the Western Pacific
	Ma, Jun 1,4; Wen, Lilian 1,3; Li, Xuegang 1,2,3,4; Dai, Jiajia 1,4; Song, Jinming1,2 ; Wang, Qidong1,4 ; Xu, Kuidong3,4,5 ; Yuan, Huamao 1,2,3,4; Duan, Liqin 1,2,3,4
	2024-09-01
发表期刊	MARINE ENVIRONMENTAL RESEARCH
ISSN	0141-1136
卷号	200 页码:10
通讯作者	Ma, Jun([email protected]) ; Song, Jinming([email protected])
摘要	The oxygen minimum zone (OMZ) is an important representative of marine hypoxia in the open ocean, and it is developing rapidly under the context of global warming. However, the research on OMZ in the Western Pacific is still deficient. This study focused on its basic characteristics and impact on the degradation of particulate matters in the M4 seamount of Western Pacific. The results showed that the OMZ is located at 290-1100 m, just below the high-salinity area and thermocline. The M4 seamount has a weak impact on the OMZ, and only the bottom waters contacting with the seamount have a weak decrease in dissolved oxygen (DO). With the increase of water depth, particulate nitrogen and phosphorus decrease first above and in the OMZ and then increase below the OMZ, while particulate organic carbon (POC) gradually decreases. The low-DO environment in the OMZ is not conducive to the degradation of particulate matters, which promotes the transport of particulate matters to the deep sea, and most particulate matters have the lowest degradation rate here. The waters above the OMZ have the fastest change rate of particulate matters, in which particulate organic phosphorus (POP) and particulate inorganic phosphorus (PIP) are preferentially degraded, and the degradation rate of them is significantly higher than particulate organic nitrogen (PON) and particulate inorganic nitrogen (PIN). The particulate nitrogen and phosphorus in the waters below the OMZ continue to increase, while PON/total particulate nitrogen (TPN) and POP/total particulate phosphorus (TPP) increase significantly, and the increase rate of PIN and PIP is far lower than PON and POP, indicating that the increase of organic matters in particulate matters is more significant. It is speculated that this phenomenon might be related to the input of Antarctic Bottom Water or the in-situ production by microorganisms. This study revealed the relationship between OMZ and different particulate matters, which may provide a valuable pathway for the biogeochemical effects of OMZ in the Western Pacific.
关键词	Seawater stratification Seamount Western Pacific Oxygen minimum zone
DOI	10.1016/j.marenvres.2024.106648
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[42206135]; National Natural Science Foundation of China[42176200]; National Natural Science Foundation of China[41930533]; Shandong Provincial Natural Science Foundation[ZR2022QD019]; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000]; Special Research Assistant Project of Chinese Academy of Sciences
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Toxicology
WOS类目	Environmental Sciences ; Marine & Freshwater Biology ; Toxicology
WOS记录号	WOS:001278267300001
出版者	ELSEVIER SCI LTD
WOS关键词	DISSOLVED ORGANIC-MATTER ; TROPICAL WATER ; MAJOR ROLE ; OCEAN ; NITROGEN ; PHOSPHORUS ; SEAMOUNT ; DYNAMICS ; BACTERIA ; CARBON
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/186115
专题	海洋生态与环境科学重点实验室海洋生物分类与系统演化实验室
通讯作者	Ma, Jun; Song, Jinming
作者单位	1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Marine Sci & Technol Ctr, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China 5.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
第一作者单位	海洋生态与环境科学重点实验室
通讯作者单位	海洋生态与环境科学重点实验室
推荐引用方式 GB/T 7714	Ma, Jun,Wen, Lilian,Li, Xuegang,et al. Different fates of particulate matters driven by marine hypoxia: A case study of oxygen minimum zone in the Western Pacific[J]. MARINE ENVIRONMENTAL RESEARCH,2024,200:10.
APA	Ma, Jun.,Wen, Lilian.,Li, Xuegang.,Dai, Jiajia.,Song, Jinming.,...&Duan, Liqin.(2024).Different fates of particulate matters driven by marine hypoxia: A case study of oxygen minimum zone in the Western Pacific.MARINE ENVIRONMENTAL RESEARCH,200,10.
MLA	Ma, Jun,et al."Different fates of particulate matters driven by marine hypoxia: A case study of oxygen minimum zone in the Western Pacific".MARINE ENVIRONMENTAL RESEARCH 200(2024):10.