globalchange  > 气候减缓与适应
DOI: 10.1002/2013GL058624
论文题名:
Drifter motion in the Gulf of Mexico constrained by altimetric Lagrangian coherent structures
作者: Olascoaga M.J.; Beron-Vera F.J.; Haller G.; Triñanes J.; Iskandarani M.; Coelho E.F.; Haus B.K.; Huntley H.S.; Jacobs G.; Kirwan Jr. A.D.; Lipphardt Jr. B.L.; Özgökmen T.M.; H. M. Reniers A.J.; Valle-Levinson A.
刊名: Geophysical Research Letters
ISSN: 0094-8325
EISSN: 1944-8056
出版年: 2013
卷: 40, 期:23
起始页码: 6171
结束页码: 6175
语种: 英语
英文关键词: altimetry ; drifters ; geodesic LCS ; GLAD ; Gulf of Mexico ; LCS cores
Scopus关键词: altimetry ; drifters ; geodesic LCS ; GLAD ; Gulf of Mexico ; LCS cores ; Geophysics ; Earth sciences ; circulation ; drifter ; Eulerian analysis ; mesoscale motion ; Atlantic Ocean ; Gulf of Mexico
英文摘要: Application of recent geometric tools for Lagrangian coherent structures (LCS) shows that material attraction in geostrophic velocities derived from altimetry data imposed an important constraint to the motion of drifters from the Grand Lagrangian Deployment (GLAD) in the Gulf of Mexico. This material attraction is largely transparent to traditional Eulerian analysis. Attracting LCS acted as approximate centerpieces for mesoscale patterns formed by the drifters. Persistently attracting LCS cores emerged 1 week before the development of a filament resembling the "tiger tail" of the Deepwater Horizon oil slick, thereby anticipating its formation. Our results suggest that the mesoscale circulation plays a significant role in shaping near-surface transport in the Gulf of Mexico. Key Points Altimetric LCS constrain drifter motion Altimetric LCS form centerpieces of drifter distributions Altimetric LCS cores predate shape changes in drifter distributions ©2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84889598197&doi=10.1002%2f2013GL058624&partnerID=40&md5=1aca7f7dfcc119018c8f6f0bb4b8ea74
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5589
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作者单位: RSMAS/AMP, Rosenstiel School of Marine and Atmospheric Science, University of Miami, 4600 Rickenbacker Cswy., Miami, FL 33149, United States

Recommended Citation:
Olascoaga M.J.,Beron-Vera F.J.,Haller G.,et al. Drifter motion in the Gulf of Mexico constrained by altimetric Lagrangian coherent structures[J]. Geophysical Research Letters,2013-01-01,40(23).
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