DOI: 10.1002/2015GL064456
论文题名: Strong sea surface cooling in the eastern equatorial Pacific and implications for Galápagos Penguin conservation
作者: Karnauskas K.B. ; Jenouvrier S. ; Brown C.W. ; Murtugudde R.
刊名: Geophysical Research Letters
ISSN: 0094-8603
EISSN: 1944-8334
出版年: 2015
卷: 42, 期: 15 起始页码: 6432
结束页码: 6437
语种: 英语
英文关键词: climate
; conservation
; Galapagos
; ocean circulation
; penguins
; upwelling
Scopus关键词: Atmospheric temperature
; Birds
; Conservation
; Oceanography
; Climate
; Galapagos
; Ocean circulation
; Penguins
; Upwelling
; Surface waters
; climate variation
; cooling
; long-term change
; sea surface temperature
; seabird
; species conservation
; undercurrent
; upwelling
; Ecuador
; Galapagos Islands
; Pacific Ocean
; Pacific Ocean (Equatorial)
; Spheniscidae
英文摘要: The Galápagos is a flourishing yet fragile ecosystem whose health is particularly sensitive to regional and global climate variations. The distribution of several species, including the Galápagos Penguin, is intimately tied to upwelling of cold, nutrient-rich water along the western shores of the archipelago. Here we show, using reliable, high-resolution sea surface temperature observations, that the Galápagos cold pool has been intensifying and expanding northward since 1982. The linear cooling trend of 0.8°C/33 yr is likely the result of long-term changes in equatorial ocean circulation previously identified. Moreover, the northward expansion of the cold pool is dynamically consistent with a slackening of the cross-equatorial component of the regional trade winds - leading to an equatorward shift of the mean position of the Equatorial Undercurrent. The implied change in strength and distribution of upwelling has important implications for ongoing and future conservation measures in the Galápagos. ©2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940450285&doi=10.1002%2f2015GL064456&partnerID=40&md5=cc9732f94af8ad86b6f072ca39297ce6
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8219
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Cooperative Institute for Research in Environmental Sciences, Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, United States
Recommended Citation:
Karnauskas K.B.,Jenouvrier S.,Brown C.W.,et al. Strong sea surface cooling in the eastern equatorial Pacific and implications for Galápagos Penguin conservation[J]. Geophysical Research Letters,2015-01-01,42(15).