DOI: 10.1002/2013GL056756
论文题名: Inner shelf intrusions of offshore water in an upwelling system affect coastal connectivity
作者: Nidzieko N.J. ; Largier J.L.
刊名: Geophysical Research Letters
ISSN: 0094-8467
EISSN: 1944-8198
出版年: 2013
卷: 40, 期: 20 起始页码: 5423
结束页码: 5428
语种: 英语
英文关键词: coastal oceanography
; submesoscale
; upwelling system
; wind relaxation
Scopus关键词: Coastal oceanography
; Intermittent relaxations
; Satellite observations
; submesoscale
; Transport mechanism
; Upwelling systems
; Warm water flow
; Water intrusions
; Geophysics
; Earth sciences
; biogeography
; coastal zone
; continental shelf
; mesoscale eddy
; physical oceanography
; satellite data
; surface flux
; timescale
; upwelling
; California
; Point Conception
; United States
英文摘要: Poleward warm water flows around Point Conception are an important transport mechanism linking biogeographic provinces along central California. These flows are initiated by relaxation of upwelling winds; the intensity and duration of upwelling is an important driver of how far north warm water penetrates against the prevailing surface currents. In this paper we present evidence of offshore surface water intrusions to the inner shelf, 130 km north of Point Conception, near Cambria, California. Satellite observations show that the intrusions originate as eddies generated offshore along the upwelling front. These eddies may form as submesoscale instabilities or by interaction of upwelling centers with offshore waters. The intrusions move southern waters to the central California inner shelf further northward than is typical for a coastal relaxation plume, and therefore, inner shelf connectivity and ecology may be governed over timescales and distances longer than those set by the intermittent relaxation of upwelling winds. Key Points Poleward transport to the inner shelf can occur during weak upwelling conditions Offshore intrusions provide connectivity across biogeographic barrier Intrusions increase stratification and ventilate nearshore ©2013. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84885740774&doi=10.1002%2f2013GL056756&partnerID=40&md5=2716d523238ed99b470942d2409f9c74
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5731
Appears in Collections: 气候减缓与适应
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作者单位: Horn Point Laboratory, University of Maryland, Center for Environmental Science, 2020 Horns Point Rd., Cambridge, MD 21613, United States
Recommended Citation:
Nidzieko N.J.,Largier J.L.. Inner shelf intrusions of offshore water in an upwelling system affect coastal connectivity[J]. Geophysical Research Letters,2013-01-01,40(20).