Structure and dynamics of the Pacific North Equatorial Subsurface Current

Abstract The North Equatorial Subsurface Current (NESC) has recently been found to flow westward below the North Equatorial Countercurrent in the subsurface layer across the Pacific Ocean. The structure, water mass properties, and the dynamics of the NESC are studied using Argo profiles and geostrop...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Xiang Li, Ya Yang, Rui Li, Linlin Zhang, Dongliang Yuan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/90c34b79b4014f7eb17c5c3194fc8cef
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:90c34b79b4014f7eb17c5c3194fc8cef
record_format	dspace
spelling	oai:doaj.org-article:90c34b79b4014f7eb17c5c3194fc8cef2021-12-02T15:33:10ZStructure and dynamics of the Pacific North Equatorial Subsurface Current10.1038/s41598-020-68605-y2045-2322https://doaj.org/article/90c34b79b4014f7eb17c5c3194fc8cef2020-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-68605-yhttps://doaj.org/toc/2045-2322Abstract The North Equatorial Subsurface Current (NESC) has recently been found to flow westward below the North Equatorial Countercurrent in the subsurface layer across the Pacific Ocean. The structure, water mass properties, and the dynamics of the NESC are studied using Argo profiles and geostrophic currents, combined with moored current meter observations. The mean westward geostrophic currents of the NESC has been validated with moored current meter measurements at 4.7° N, 142° E in the far western tropical Pacific Ocean. Sizable seasonal-to-interannual variability of the NESC is indicated by the observations, with strong transports in boreal summer and during La Niña events, whereas weak transports in boreal winter and during El Niño events. The water masses of the NESC appear to be the mixture of the North and South Pacific intermediate waters, with the waters immediately below the thermocline closer to the North than to the South Pacific waters. A simulation using a linear continuously stratified model of ocean circulation suggests that the mean NESC is forced by wind curl through low baroclinic mode responses of the ocean.Xiang LiYa YangRui LiLinlin ZhangDongliang YuanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-9 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xiang Li Ya Yang Rui Li Linlin Zhang Dongliang Yuan Structure and dynamics of the Pacific North Equatorial Subsurface Current
description	Abstract The North Equatorial Subsurface Current (NESC) has recently been found to flow westward below the North Equatorial Countercurrent in the subsurface layer across the Pacific Ocean. The structure, water mass properties, and the dynamics of the NESC are studied using Argo profiles and geostrophic currents, combined with moored current meter observations. The mean westward geostrophic currents of the NESC has been validated with moored current meter measurements at 4.7° N, 142° E in the far western tropical Pacific Ocean. Sizable seasonal-to-interannual variability of the NESC is indicated by the observations, with strong transports in boreal summer and during La Niña events, whereas weak transports in boreal winter and during El Niño events. The water masses of the NESC appear to be the mixture of the North and South Pacific intermediate waters, with the waters immediately below the thermocline closer to the North than to the South Pacific waters. A simulation using a linear continuously stratified model of ocean circulation suggests that the mean NESC is forced by wind curl through low baroclinic mode responses of the ocean.
format	article
author	Xiang Li Ya Yang Rui Li Linlin Zhang Dongliang Yuan
author_facet	Xiang Li Ya Yang Rui Li Linlin Zhang Dongliang Yuan
author_sort	Xiang Li
title	Structure and dynamics of the Pacific North Equatorial Subsurface Current
title_short	Structure and dynamics of the Pacific North Equatorial Subsurface Current
title_full	Structure and dynamics of the Pacific North Equatorial Subsurface Current
title_fullStr	Structure and dynamics of the Pacific North Equatorial Subsurface Current
title_full_unstemmed	Structure and dynamics of the Pacific North Equatorial Subsurface Current
title_sort	structure and dynamics of the pacific north equatorial subsurface current
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/90c34b79b4014f7eb17c5c3194fc8cef
work_keys_str_mv	AT xiangli structureanddynamicsofthepacificnorthequatorialsubsurfacecurrent AT yayang structureanddynamicsofthepacificnorthequatorialsubsurfacecurrent AT ruili structureanddynamicsofthepacificnorthequatorialsubsurfacecurrent AT linlinzhang structureanddynamicsofthepacificnorthequatorialsubsurfacecurrent AT dongliangyuan structureanddynamicsofthepacificnorthequatorialsubsurfacecurrent
_version_	1718387094561226752

Structure and dynamics of the Pacific North Equatorial Subsurface Current

Ejemplares similares