Intraseasonal variability of the deep scattering layer induced by mesoscale eddy

doi:10.3389/fmars.2024.1367410

IOCAS-IR > 海洋环流与波动重点实验室

	Intraseasonal variability of the deep scattering layer induced by mesoscale eddy
	Wang, Bei1,2 ; Yu, Fei 1,2,3; Wang, Ran1,3 ; Tao, Zhencheng 2,4; Ren, Qiang1,3 ; Liu, Xing Chuan 1,3; Wang, Jian Feng 1,3
	2024-04-02
发表期刊	FRONTIERS IN MARINE SCIENCE
卷号	11 页码:14
通讯作者	Yu, Fei(yuf@qdio.ac.cn) ; Ren, Qiang(rq1989@qdio.ac.cn)
摘要	The deep scattering layer (DSL), a stratum of the marine diel vertical migration (DVM) organisms inhabiting the mesopelagic ocean, plays a crucial role in transporting carbon and nutrients from the surface to depth through the migration of its organisms. Using 18 months of in-situ observations and altimeter sea level data, we reveal for the first time the intraseasonal variations and underlying mechanisms of the DSL and the DVM to the east of the Taiwan Island. Substantial vertical speeds acquired from the Acoustic Doppler Current Profiler were used to examine the distribution and variation of the DVM. Innovatively, the results for the power spectrum analysis of the scattering intensity demonstrated a significant intraseasonal variability (ISV) with an 80-day period in the DSL. Furthermore, the variation in the DVM was closely linked to the DSL and showed an 80-day ISV during the observation. A dynamic relationship between the ISV of the DSL east of Taiwan Island and the westward-propagating mesoscale eddies was established. Anticyclonic (cyclonic) eddy movement toward Taiwan Island triggers downward (upward) bending of the local isotherms, resulting in a layer of DSL warming (cooling) and subsequent upper boundary layer deepening (rising). These findings underscore the substantial influence of mesoscale eddies on biological activity in the mesopelagic ocean, establishing a novel understanding of ISV dynamics in the DSL and their links to eddy-induced processes.
关键词	deep scattering layer diel vertical migration intraseasonal variation mesoscale eddies northwestern pacific
DOI	10.3389/fmars.2024.1367410
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[42206032] ; Science Foundation of Shandong Province[ZR2022QD045] ; National Key R,D Program of China[2022YFC3104100]
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目	Environmental Sciences ; Marine & Freshwater Biology
WOS记录号	WOS:001203775500001
出版者	FRONTIERS MEDIA SA
WOS关键词	DIEL VERTICAL MIGRATION ; MESOPELAGIC FISHES ; NORTHERN SLOPE ; KUROSHIO EAST ; CARBON EXPORT ; ZOOPLANKTON ; EDDIES ; TAIWAN ; CHINA ; WATER
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/185146
专题	海洋环流与波动重点实验室海洋生态与环境科学重点实验室
通讯作者	Yu, Fei; Ren, Qiang
作者单位	1.Inst Oceanol, Chinese Acad Sci, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 2.Univ Chinese Acad Sci, Coll Marine Sci, Beijing, Peoples R China 3.Inst Oceanol, Chinese Acad Sci, Key Lab Ocean Observat & Forecasting, Qingdao, Peoples R China 4.Inst Oceanol, Chinese Acad Sci, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
第一作者单位	海洋环流与波动重点实验室
通讯作者单位	海洋环流与波动重点实验室; 中国科学院海洋研究所
推荐引用方式 GB/T 7714	Wang, Bei,Yu, Fei,Wang, Ran,et al. Intraseasonal variability of the deep scattering layer induced by mesoscale eddy[J]. FRONTIERS IN MARINE SCIENCE,2024,11:14.
APA	Wang, Bei.,Yu, Fei.,Wang, Ran.,Tao, Zhencheng.,Ren, Qiang.,...&Wang, Jian Feng.(2024).Intraseasonal variability of the deep scattering layer induced by mesoscale eddy.FRONTIERS IN MARINE SCIENCE,11,14.
MLA	Wang, Bei,et al."Intraseasonal variability of the deep scattering layer induced by mesoscale eddy".FRONTIERS IN MARINE SCIENCE 11(2024):14.