Intrathermocline eddies in the coastal transition zone off central Chile (31-41°S)

Journal of Geophysical Research: Oceans

Volumn 118, Issue 10, 2013, Pages 4811-4821

  Hormazabal, Samuel ^a   Combes, Vincent ^b   Morales, Carmen E ^c   Correa Ramirez, Marco A ^a   Di Lorenzo, Emmanuel ^d   Nuñez, Sergio ^e  

^a PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO   (Chile)

^b OREGON STATE UNIVERSITY   (United States)

^c UNIVERSITY OF CONCEPCIÓN   (Chile)

^d GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^e Instituto de Investigacion Pesquera   (Chile)

Author keywords

coastal transition zone; equatorial subsurface water; intrathermocline eddies; oxygen minimum zone; Peru Chile undercurrent; Peru Chile upwelling system

Indexed keywords

INTRATHERMOCLINE EDDIES; OXYGEN MINIMUM ZONE; PERU-CHILE UNDERCURRENT; SUBSURFACE WATERS; TRANSITION ZONES; UPWELLING SYSTEMS;

COASTAL ZONE; CRUISE REPORT; MESOSCALE EDDY; OXYGEN MINIMUM LAYER; SATELLITE ALTIMETRY; THERMOHALINE CIRCULATION; THREE-DIMENSIONAL MODELING; TRANSITION ZONE; UNDERCURRENT;

CHILE;

EID: 84890261498     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1002/jgrc.20337     Document Type: Article

References (56)

1. Ballegooyen, R. C., M. L. van Gründlingh, and, J. R. E. Lutjeharms, (1994), Eddy fluxes of heat and salt from the southwest Indian Ocean into the southeast Atlantic Ocean: A case study, J. Geophys. Res., 99, 14,053-14,070, doi: 10.1029/94JC00383.
2. Blanco, J. L., M.-E. Carr, A. C. Thomas, and, P. T. Strub, (2002), Hydrographic conditions off northern Chile during the 1996-1998 La Niño and El Niño events, J. Geophys. Res., 107, C3, doi:10.1029/2001JC001002.
3. Brzezinski, M. A., and, L. Washburn, (2011), Phytoplankton primary productivity in the Santa Barbara Channel: Effects of wind-driven upwelling and mesoscale eddies, J. Geophys. Res., 116, C12013, doi: 10.1029/2011JC007397.
4. Cáceres, M., (1992), Võrtices y filamentos observados en imágenes satelitales frente al área de surgencia de Talcahuano, Chile central, Invest. Pesq., 37, 55-66.
5. Capet, X., F. Colas, P. Penven, P. Marchesiello, and, J. C. McWilliams, (2008), Eddies in Eastern-Boundary Subtropical Upwelling Systems, Geophys. Monogr. Ser., vol. 177, Eddy-Resolving Ocean Modeling, 350 pp., AGU, Washington, D.C.
6. Chaigneau, A., G. Eldin, and, B. Dewitte, (2009), Eddy activity in the four major upwelling systems from satellite altimetry (1992-2007), Prog. Oceanogr., 83 (1-4), 117-123, doi: 10.1016/j.pocean.2009.07.012.
7. Chaigneau, A., M. Le Texier, G. Eldin, C. Grados, and, O. Pizarro, (2011), Vertical structure of mesoscale eddies in the eastern South Pacific Ocean: A composite analysis from altimetry and Argo profiling floats, J. Geophys. Res., 116, C11025, doi: 10.1029/2011JC007134.
8. Colas, F., J. McWilliams, X. Capet, and, J. Kurian, (2012), Heat balance and eddies in the Peru-Chile current system, Clim. Dyn., 39 (1), 509-529, doi: 10.1007/s00382-011-1170-6.
9. Combes, V., E. Di Lorenzo, and, E. Curchitser, (2009), Interannual and decadal variations in cross-shelf transport in the Gulf of Alaska, J. Phys. Oceanogr., 39 (4), 1050-1059, doi: 10.1175/2008JPO4014.1.
10. Correa-Ramirez, M. A., S. Hormazabal, and, G. Yuras, (2007), Mesoscale eddies and high chlorophyll concentrations off central Chile (29°-39°S), Geophys. Res. Lett., 34, L12604, doi: 10.1029/2007GL029541.
11. Correa-Ramirez, M. A., S. Hormazabal, and, C. E. Morales, (2012), Spatial patterns of annual and interannual surface chlorophyll-a variability in the Peru-Chile Current System, Prog. Oceanogr., 92-95, 8-17, doi: 10.1016/j.pocean.2011.07.008.
12. da Silva, A. M., C. C. Young, and, S. Levitus, (Eds.) (1994), Atlas of Surface Marine Data 1994, vol. 1, Algorithms and Procedures, NOAA Atlas NESDIS, vol. 6, 83 pp., NOAA, Silver Spring, Md., NOAA Atlas Nesdis, 6 (83), 20910-3282.
13. Dugan, J. P., R. P. Mied, P. C. Mignerey, and, A. F. Schuetz, (1982), Compact, intrathermocline eddies in the Sargasso Sea, J. Geophys. Res., 87, 385-393, doi: 10.1029/JC087iC01p00385. (Pubitemid 12539459)
14. Ferrari, R., and, G. Boccaletti, (2004), Eddy-mixed layer interactions in the ocean, Oceanography, 17 (3), 12-21, doi: 10.5670/oceanog.2004.26. (Pubitemid 39604941)
15. Filyushkin, B. N., and, M. A. Sokolovskiy, (2011), Modeling the evolution of intrathermocline lenses in the Atlantic Ocean, J. Mar. Res., 69 (2-3), 191-220, doi: 10.1357/002224011798765231.
16. Garfield, N., C. A. Collins, R. G. Paquette, and, E. Carter, (1999), Lagrangian exploration of the California undercurrent, 1992-95, J. Phys. Oceanogr., 29 (4), 560-583, doi: 10.1175/1520-0485(1999)029<0560:LEOTCU>2. 0.CO;2. (Pubitemid 29496899)
17. Gordon, A. L., C. F. Giulivi, C. M. Lee, H. H. Furey, A. Bower, and, L. Talley, (2002), Japan/East Sea intrathermocline eddies, J. Phys. Oceanogr., 32 (6), 1960-1974, doi: 10.1175/1520-0485(2002)032<1960:JESIE>2.0.CO;2. (Pubitemid 34811259)
18. Gruber, N., Z. Lachkar, H. Frenzel, P. Marchesiello, M. Münnich, J. C. McWilliams, T. Nagai, and, G.-K. Plattner, (2011), Eddy-induced reduction of biological production in eastern boundary upwelling systems, Nat. Geosci., 4 (11), 787-792, doi: 10.1038/ngeo1273.
19. Haidvogel, D. B., H. G. Arango, K. Hedstrom, A. Beckmann, P. Malanotte-Rizzoli, and, A. F. Shchepetkin, (2000), Model evaluation experiments in the North Atlantic Basin: Simulations in nonlinear terrain-following coordinates, Dyn. Atmos. Oceans, 32 (3-4), 239-281, doi: 10.1016/S0377-0265(00) 00049-X. (Pubitemid 30638776)
20. Hansen, C., E. Kvaleberg, and, A. Samuelsen, (2010), Anticyclonic eddies in the Norwegian Sea: Their generation, evolution and impact on primary production, Deep Sea Res. Part I, 57 (9), 1079-1091, doi: 10.1016/j.dsr.2010.05. 013.
21. Hormazabal, S., G. Shaffer, and, O. Leth, (2004), Coastal transition zone off Chile, J. Geophys. Res., 109, C01021, doi: 10.1029/2003JC001956.
22. Isern-Fontanet, J., J. Font, E. Garcia-Ladona, M. Emelianov, C. Millot, and, I. Taupier-Letage, (2004), Spatial structure of anticyclonic eddies in the Algerian basin (Mediterranean Sea) analyzed using the Okubo-Weiss parameter, Deep Sea Res. Part II, 51 (25-26), 3009-3028. (Pubitemid 39588366)
23. Jerõnimo, G., and, J. Gõmez-Valdés, (2007), A subsurface warm-eddy off northern Baja California in July 2004, Geophys. Res. Lett., 34, L06610, doi: 10.1029/2006GL028851.
24. Johnson, G. C., and, K. E. McTaggart, (2010), Equatorial Pacific 13°C water eddies in the Eastern Subtropical South Pacific Ocean, J. Phys. Oceanogr., 40 (1), 226-236, doi: 10.1175/2009JPO4287.1.
25. Kostianoy, A. G., and, I. M. Belkin, (1989), A survey of observations on intrathermocline eddies in the world ocean, in Mesoscale/Synoptic Coherent Structures in Geophysical Turbulence, Elsevier Oceanogr. Ser., vol. 50, edited by J. C. J. Nihoul and B. M. Jamart, pp. 821-841, Elsevier, Amsterdam.
26. Letelier, J., O. Pizarro, and, S. Nuñez, (2009), Seasonal variability of coastal upwelling and the upwelling front off central Chile, J. Geophys. Res., 114, C12009, doi: 10.1029/2008JC005171.
27. Leth, O., and, G. Shaffer, (2001), A numerical study of seasonal variability in the circulation of central Chile, J. Geophys. Res., 106, 22,229-22,248.
28. Leth, O., and, J. F. Middleton, (2004), A mechanism for enhanced upwelling off central Chile: Eddy advection, J. Geophys. Res., 109, C12020, doi: 10.1029/2003JC002129.
29. Marchesiello, P., J. C. McWilliams, and, A. Shchepetkin, (2001), Open boundary conditions for long-term integration of regional oceanic models, Ocean Modell., 3 (1-2), 1-20, doi: 10.1016/S1463-5003(00)00013-5. (Pubitemid 33634115)
30. Martin, A. P., and, K. J. Richards, (2001), Mechanisms for vertical nutrient transport within North Atlantic mesoscale eddy, Deep Sea Res., Part II, 48, 757-773. (Pubitemid 32122452)
31. Masumoto, Y., et al. (2004), A fifty-year eddy-resolving simulation of the World Ocean-Preliminary outcomes of OFES (OGCM for the Earth simulator), J. Earth Simul., 1, 31-52.
32. McDowell, S. E., and, H. T. Rossby, (1978), Mediterranean water: An intense mesoscale eddy off the Bahamas, Science, 202 (4372), 1085-1087, doi: 10.1126/science.202.4372.1085.
33. McPhaden, M. J., (1999), Genesis and evolution of the 1997-98 El Niño, Science, 283, 950-954, doi: 10.1126/science.283.5404.950.
34. McGillicuddy, D. J., et al. (2007), Eddy/wind interactions stimulate extraordinary mid-ocean plankton bloom, Science, 316 (5827), 1021-1026.
35. Mellor, G. L., T. Ezer, and, L.-Y. Oey, (1994), The pressure gradient conundrum of sigma coordinate ocean models, J. Atmos. Oceanic Technol., 11 (4), 1126-1134, doi: 10.1175/1520-0426(1994)011<1126:TPGCOS>2.0.CO;2.
36. Montecinos, A., and, O. Pizarro, (2005), Interdecadal sea surface temperature-sea level pressure coupled variability in the South Pacific Ocean, J. Geophys. Res., 110, C08005, doi: 10.1029/2004JC002743.
37. Moore, T. S., II, R. J. Matear, J. Marra, and, L. Clementson, (2007), Phytoplankton variability off the Western Australian Coast: Mesoscale eddies and their role in cross-shelf exchange, Deep Sea Res., Part II, 54 (8-10), 943-960, doi: 10.1016/j.dsr2.2007.02.006. (Pubitemid 47126303)
38. Morales, C. E., S. Hormazabal, and, J. L. Blanco, (1999), Interannual variability in the mesoscale distribution of the depth of the upper boundary of the oxygen minimum layer off northern Chile (18-24°S): Implications for the pelagic system and biogeochemical cycling, J. Mar. Res., 57, 909-932. (Pubitemid 30309174)
39. Morales, C. E., H. Gonzalez, S. Hormazabal, G. Yuras, J. Letelier, and, L. Castro, (2007), The distribution of chlorophyll-a and dominant planktonic components in the coastal transition zone off concepcion, central Chile, during different oceanographic conditions, Prog. Oceanogr., 75 (3), 452-469, doi: 10.1016/j.pocean.2007.08.026. (Pubitemid 350101791)
40. Morales, C. E., M. Loreto Torreblanca, S. Hormazabal, M. Correa-Ramírez, S. Nuñez, and, P. Hidalgo, (2010), Mesoscale structure of copepod assemblages in the coastal transition zone and oceanic waters off central-southern Chile, Prog. Oceanogr., 84 (3-4), 158-173, doi: 10.1016/j.pocean.2009.12.001.
41. Morales, C. E., S. Hormazabal, M. Correa-Ramirez, O. Pizarro, N. Silva, C. Fernandez, V. Anabalõn, and, M. L. Torreblanca, (2012), Mesoscale variability and nutrient-phytoplankton distributions off central-southern Chile during the upwelling season: The influence of mesoscale eddies, Prog. Oceanogr., 104, 17-29, doi: 10.1016/j.pocean.2012.04.015.
42. Nauw, J. J., H. M. van Aken, J. R. E. Lutjeharms, and, W. P. M. de Ruijter, (2006), Intrathermocline eddies in the Southern Indian Ocean, J. Geophys. Res., 111, C03006, doi: 10.1029/2005JC002917.
43. Núñez, S., J. Letelier, D. Donoso, A. Sepúlveda, and, D. Arcos, (2004), Relating spatial distribution of Chilean jack mackerel and environmental factors in the oceanic waters off Chile, Gayana, 68 (2), 444-449, doi: 10.4067/S0717-65382004000300023.
44. Peterson, T. D., D. W. Crawford, and, P. J. Harrison, (2011), Evolution of the phytoplankton assemblage in a long-lived mesoscale eddy in the eastern Gulf of Alaska, Mar. Ecol. Prog. Ser., 424, 53-73, doi: 10.3354/meps08943.
45. Pizarro, O., and, A. Montecinos, (2004), Interdecadal variability of the thermocline along the west coast of South America, Geophys. Res. Lett., 31, L20307, doi: 10.1029/2004GL020998.
46. Richardson, P. L., A. S. Bower, and, W. Zenk, (2000), A census of Meddies tracked by floats, Prog. Oceanogr., 45, 209-250. (Pubitemid 30205664)
47. San Martín, M. A., L. A. Cubillos, and, J. C. Saavedra, (2011), The spatio-temporal distribution of juvenile hake (Merluccius gayi gayi) off central southern Chile (1997-2006), Aquat. Living Resour., 24, 161-168, doi: 10.1051/alr/2011120.
48. Sasaki, H., Y. Sasai, S. Kawahara, M. Furuichi, F. Araki, A. Ishida, Y. Yamanaka, Y. Masumoto, and, H. Sakuma, (2004), A series of eddy-resolving ocean simulations in the world ocean: OFES (OGCM for the Earth Simulator) project, OCEAN'04, 3, 1535-1541. (Pubitemid 40738809)
49. Sasaki, H., M. Nonaka, Y. Masumoto, Y. Sasai, H. Uehara, and, H. Sakuma, (2006), An eddy-resolving hindcast simulation of the quasi-global ocean from 1950 to 2003 on the Earth Simulator, in High Resolution Numerical Modelling of the Atmosphere and Ocean, edited by, W. Ohfuchi, and, K. Hamilton, pp. 157-185, Springer, New York.
50. Shaffer, G., S. Hormazabal, O. Pizarro, and, S. Salinas, (1999), Seasonal and interannual variability of currents and temperature off central Chile, J. Geophys. Res., 104, 29,951-29,961.
51. Shapiro, G. I., and, S. L. Meschanov, (1991), Distribution and spreading of Red Sea Water and salt lens formation in the northwest Indian Ocean, Deep Sea Res. A, 38 (1), 21-34, doi: 10.1016/0198-0149(91)90052-H.
52. Shchepetkin, A. F., and, J. C. McWilliams, (2005), The regional oceanic modeling system (ROMS): A split-explicit, free-surface, topography-following- coordinate oceanic model, Ocean Modell., 9 (4), 347-404, doi: 10.1016/j.ocemod.2004.08.002. (Pubitemid 40306754)
53. Silva, N., and, S. Neshyba, (1979), On the southernmost extension of the Peru-Chile undercurrent, Deep Sea Res. Part A, 26 (12), 1387-1393, doi: 10.1016/0198-0149(79)90006-2.
54. Silva, N., N. Rojas, and, A. Fedele, (2009), Water masses in the Humboldt current system: Properties, distribution, and the nitrate deficit as a chemical water mass tracer for Equatorial subsurface water off Chile, Deep Sea Res. II, 56 (16), 1004-1020, doi: 10.1016/j.dsr2.2008.12.013.
55. Simpson, J. J., and, R. J. Lynn, (1990), A mesoscale eddy dipole in the offshore California Current, J. Geophys. Res., 95, 13,009-13,022, doi: 10.1029/JC095iC08p13009.
56. Treguier, A. M., J. Deshayes, C. Lique, R. Dussin, and, J. M. Molines, (2012), Eddy contributions to the meridional transport of salt in the North Atlantic, J. Geophys. Res., 117, C05010, doi: 10.1029/2012JC007927.