DOI: 10.1002/grl.50429
论文题名: Interannual sea surface salinity variations observed in the tropical North Pacific Ocean
作者: Li Y. ; Wang F. ; Han W.
刊名: Geophysical Research Letters
ISSN: 0094-9023
EISSN: 1944-8754
出版年: 2013
卷: 40, 期: 10 起始页码: 2194
结束页码: 2199
语种: 英语
英文关键词: ENSO
; mixed layer
; sea surface salinity
Scopus关键词: Atmospheric freshwater
; ENSO
; Interannual variation
; Meridional Ekman advection
; Mixed layer
; North Equatorial Current
; North Pacific Ocean
; Sea surface salinity
; Atmospheric pressure
; Water
; Advection
; advection
; data set
; El Nino-Southern Oscillation
; mixed layer
; sea surface salinity
; Pacific Ocean
; Pacific Ocean (Tropical)
; Philippines
英文摘要: Analysis of observational data sets reveals pronounced interannual variations of sea surface salinity (SSS) in the tropical North Pacific (7°N-15°N) during 2000-2012. SSS anomalies with maximum magnitudes >0.2 occur in the central Pacific and translate westward at a speed of 15-20 cm s-1. The signals are weakened during their westward movement but reinforced in the Philippine Sea. Budget analysis for the mixed layer salinity suggests that in the central Pacific, El Niño-Southern Oscillation-related atmospheric freshwater forcing and ocean advection changes are both important in generating and maintaining these large SSS anomalies. In the advection term, the most contributing component is the meridional Ekman advection induced by trade winds. These SSS anomalies are subsequently carried westward by the North Equatorial Current, which is the primary cause of SSS variations in the Philippine Sea. Freshwater forcing is also at work in the Philippine Sea, but its role is generally secondary. © 2013 American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84879911655&doi=10.1002%2fgrl.50429&partnerID=40&md5=1a7102b8c0ab8f4b0b9df0f24cd91903
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6287
Appears in Collections: 气候减缓与适应
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作者单位: Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, United States
Recommended Citation:
Li Y.,Wang F.,Han W.. Interannual sea surface salinity variations observed in the tropical North Pacific Ocean[J]. Geophysical Research Letters,2013-01-01,40(10).