Drifter motion in the Gulf of Mexico constrained by altimetric Lagrangian coherent structures

被引：91

作者：

Olascoaga, M. J. ^{[1
]}

Beron-Vera, F. J. ^{[1
]}

Haller, G. ^{[2
]}

Trinanes, J. ^{[3
]}

Iskandarani, M. ^{[1
]}

Coelho, E. F. ^{[4
]}

Haus, B. K. ^{[1
]}

Huntley, H. S. ^{[5
]}

Jacobs, G. ^{[6
]}

Kirwan, A. D., Jr. ^{[5
]}

Lipphardt, B. L., Jr. ^{[5
]}

Oezgoekmen, T. M. ^{[1
]}

Reniers, A. J. H. M. ^{[1
]}

Valle-Levinson, A. ^{[7
]}

机构：

[1] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Miami, FL 33149 USA

[2] Swiss Fed Inst Technol, Inst Mech Syst, Zurich, Switzerland

[3] Univ Santiago de Compostela, Inst Invest Tecnolox, Santiago, Spain

[4] Univ New Orleans, Dept Phys, New Orleans, LA 70148 USA

[5] Univ Delaware, Sch Marine Sci & Policy, Newark, DE USA

[6] Stennis Space Ctr, Naval Res Lab, Stennis Space Ctr, MS USA

[7] Univ S Florida, Dept Civil & Coastal Engn, Gainesville, FL USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2013年 / 40卷 / 23期

基金：

美国国家科学基金会;

关键词：

geodesic LCS; LCS cores; altimetry; Gulf of Mexico; drifters; GLAD; TRANSPORT;

D O I：

10.1002/2013GL058624

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

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 1week 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.

引用

页码：6171 / 6175

页数：5

共 10 条

[1] DRIFTER OBSERVATIONS OF COASTAL SURFACE CURRENTS DURING CODE - THE METHOD AND DESCRIPTIVE VIEW
DAVIS, RE
[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 1985, 90 (NC3): : 4741 - 4755
[2] Attracting and repelling Lagrangian coherent structures from a single computation
Farazmand, Mohammad
Haller, George
[J]. CHAOS, 2013, 23 (02)
[3] EVOLUTION AND KINEMATICS OF A LOOP CURRENT EDDY IN THE GULF OF MEXICO DURING 1985
FORRISTALL, GZ
SCHAUDT, KJ
COOPER, CK
[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 1992, 97 (C2) : 2173 - 2184
[4] Geodesic theory of transport barriers in two-dimensional flows
Haller, George
Beron-Vera, Francisco J.
[J]. PHYSICA D-NONLINEAR PHENOMENA, 2012, 241 (20) : 1680 - 1702
[5] A variational theory of hyperbolic Lagrangian Coherent Structures
Haller, George
[J]. PHYSICA D-NONLINEAR PHENOMENA, 2011, 240 (07) : 574 - 598
[6] Huntley HS, 2011, GEOPHYS MONOGR SER, V195, P179, DOI 10.1029/2011GM001097
[7] Morey SL, 2005, GEOPH MONOG SERIES, V161, P203
[8] Forecasting sudden changes in environmental pollution patterns
Olascoaga, Maria J.
Haller, George
[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2012, 109 (13) : 4738 - 4743
[9] Lagrangian coherent structures The hidden skeleton of fluid flows
Peacock, Thorna
Haller, George
[J]. PHYSICS TODAY, 2013, 66 (02) : 41 - 47
[10] Transport by coherent barotropic vortices
Provenzale, A
[J]. ANNUAL REVIEW OF FLUID MECHANICS, 1999, 31 : 55 - 93

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