SMOS salinity in the subtropical North Atlantic salinity maximum: 2. Two-dimensional horizontal thermohaline variability

Journal of Geophysical Research: Oceans

Volumn 120, Issue 2, 2015, Pages 972-987

  Kolodziejczyk, Nicolas ^a   Hernandez, Olga ^a   Boutin, Jacqueline ^a   Reverdin, Gilles ^a  

^a SORBONNE UNIVERSITÉ   (France)

Author keywords

in situ data; salinity; seasonal variability; SMOS; surface processes; thermohaline structure

Indexed keywords

MESOSCALE EDDY; SALINITY; SEA SURFACE TEMPERATURE; TEMPERATURE GRADIENT; THERMOHALINE CIRCULATION; TWO-DIMENSIONAL MODELING;

ATLANTIC OCEAN; AZORES CURRENT;

EID: 85027943130     PISSN: 21699275     EISSN: 21699291     Source Type: Journal    
DOI: 10.1002/2014JC010103     Document Type: Article

References (44)

1. Alves, J. L.G. R., and A. Colin de Verdière (1999), Instability dynamics of a subtropical jet and applications to the Azores front current system: Eddy-driven mean flow, J. Phys. Oceanogr., 29, 832-864.
2. Bingham, F. M., G. R. Foltz, and M. J. McPhaden (2012), Characteristics of the seasonal cycle of the surface layer salinity in the global ocean, Ocean Sci., 8, 915-929, doi:10.5194/os-8-915-2012.
3. Boutin, J., N. Martin, G. Reverdin, X. Yin, and F. Gaillard (2013), Sea surface freshening inferred from SMOS and ARGO salinity: Impact of rain, Ocean Sci., 9, 183-192, doi:10.5194/os-9-183-2013.
4. Busecke, J., A. L. Gordon, Z. Li, F. M. Bingham, and J. Font (2014), Subtropical surface layer salinity budget and the role of mesoscale turbulence, J. Geophys. Res. Oceans, 119, 4124-4140, doi:10.1002/2013JC009715.
5. Chelton, D. B., R. A. de Szoeke, and M. G. Schlax (1998), Geographical variability of the first Rossby braoclinic radius of deformation, J. Phys. Oceanogr., 28, 433-460.
6. Cole, S. T., and D. L. Rudnick (2012), The spatial distribution and annual cycle of upper ocean thermohaline structure, J. Geophys. Res., 117, C02027, doi:10.1029/2011JC007033.
7. Cole, S. T., D. L. Rudnick, and J. A. Colosi (2010), Seasonal evolution of upper-ocean horizontal structure and the remnant mixed layer, J. Geophys. Res., 115, C04012, doi:10.1029/2009JC005654.
8. Dong, C., J. C. McWilliams, Y. Liu, and D. Chen (2014), Global heat and salt transports by eddy movement, Nat. Commun., 5, 3294, doi: 10.1038/ncomms4294.
9. Ferrari, R., and F. Paparella (2003), Compensation and alignment of the thermohaline gradient in the ocean mixed layer, J. Phys. Oceanogr., 33, 2214-2223.
10. Ferrari, R., and D. L. Rudnick (2000), Thermohaline varaibility in the upper ocean, J. Geophys. Res., 105, 16,857-16,883, doi:10.1029/2000JC900057.
11. Fisher, N. I. (1993), Statistical Analysis of Circular Data, Cambridge Univ. Press.
12. Font, J., A. Camps, A. Borges, M. Martin-Neira, J. Boutin, N. Reul, Y. H. Kerr, A. Hahne, and S. Mecklenburg (2010), SMOS: The challenging sea surface salinity measurement from space, Proc. IEEE, 98(5), 649-665, doi:10.1109/JPROC.2009.2033096.
13. Gaillard, F., E. Autret, V. Thierry, P. Galaup, C. Coatanoan, and T. Loubrieu (2009), Quality control of large Argo datasets, J. Atmos. Oceanic Technol., 26, 337-351.
14. Gentemann, C. L., F. J. Wentz, C. A. Mears, and D. K. Smith (2004), In situ validation of Tropical Rainfall Measuring Mission microwave sea surface temperatures, J. Geophys. Res., 109, C04021, doi:10.1029/2003JC002092.
15. Gordon, A. L., and C. F. Giulivi (2014), Ocean eddy freshwater flux convergence into the North Atlantic subtropics, J. Geophys. Res. Oceans, 119, 3327-3335, doi:10.1002/2013JC009596.
16. Grodsky, S. A., G. Reverdin, J. A. Carton, and V. J. Cole (2014a), Year-to-year salinity changes in the Amazon plume: Contrasting 2011 and 2012 Aquarius/SACD and SMOS satellite data, Remote Sens. Environ., 140, 14-22, doi:10.1016/j.rse2013.08.033.
17. Grodsky, S. A., J. A. Carton, and F. O. Bryan (2014b), A curious local surface salinity maximum in the northwestern tropical Atlantic, J. Geophys. Res. Oceans, 119, 484-495, doi:10.1002/2013JC009450.
18. Hasson, A., T. Delcroix, and J. Boutin (2013), Formation and variability of the South Pacific Sea Surface Salinity maximum in recent decades, J. Geophys. Res. Oceans, 118, 5109-5116, doi:10.1002/jgrc.20367.
19. Hernandez, O., J. Boutin, N. Kolodziejczyk, G. Reverdin, N. Martin, F. Gaillard, N. Reul, and J. L. Vergely (2014), SMOS salinity in the subtropical north Atlantic salinity maximum: Part I: Comparison with Aquarius and in situ salinity, J. Geophys. Res. Oceans, 119, 8878-8896, doi: 10.1002/2013JC009610.
20. Iselin, C. O. D. (1939), The influence of vertical and lateral turbulence on the characterization of waters at mid-depth, EOS Trans. AGU, 20, 414-417.
21. Johnson, G. C., S. Schimidtko, and J. M. Lyman (2012), Relative contributions of temperature and salinity to seasonal mixed layer density changes and horizontal density gradients, J. Geophys. Res., 117, C04015, doi:10.1029/2011JC007651.
22. Juliano, F. M., and M. L. G. R. Alves (2007), The Atlantic subtropical front/current systems of Azores and St. Helena, J. Phys. Oceanogr., 37, 2573-2598, doi:10.1175/2007JPO3150.1.
23. Kainulainen, J., A. Colliander, J. Closa, M. Martin-Neira, R. Oliva, G. Buenadicha, P. R. Alcaine, A. Hakkarainen, and M. T. Hallikainen (2012), Radiometric performance of the SMOS reference radiometers - Assessment after one year of operation, IEEE Trans. Geosci. Remote Sens., 50, 1367-1383, doi:10.1109/TGRS.2011.2177273.
24. Kolodziejczyk, N., and F. Gaillard (2013), Variability of the heat and salt budget in the subtropical south-eastern Pacific mixed layer between 2004 and 2010: Spice injection mechanism, J. Phys. Oceanogr., 43, 1880-1898.
25. Marshall, J., and F. Schott (1999), Open-ocean convection: Observations, theory and models, Rev. Geophys., 37, 1-64.
26. Mignot, J., A. Lazar, and M. Lacarra (2012), On the formation of barrier layers and associated vertical temperature inversions: A focus on the northwestern tropical Atlantic, J. Geophys. Res., 117, C02010, doi:10.1029/2011JC007435.
27. Oliva, R., E. Daganzo-Eusebio, Y. H. Kerr, S. Mecklenburg, S. Nieto, P. Rchaume, and C. Gruhier (2012), SMOS Radio Frequency Interference scenario: Status and actions taken to improve the RFI environment in the 1400-1427-MHz passive band, IEEE Trans. Geosci. Remote Sens., 30(5), 1427-1439.
28. O'Reilly, J. E., et al. (2000), Ocean color chlorophy ll a algorithms for SeaWiFS, OC2, and OC4: SeaWiFS Postlaunch Technical Report Series, vol.11. SeaWiFS pos tlaunch calibration and validation analyses version 4, in edited by S. B. Hooker, and E. R. Firestone, pp. 9-23, NASA Goddard Space Flight Center, part 3, Greenbelt, Md.
29. Reul, N., J. Tenerelli, J. Boutin, B. Chapron, F. Paul, E. Brion, F. Gaillard, and O. Archer (2012), Overview of the first SMOS sea surface salinity products. Part I: Quality assessment for the second half of 2010, IEEE Trans. Geogr. Remote sens., 50(5), 1636-1647, doi:10.1109/TGRS.2012.2188408.
30. Reul, N., et al. (2013), Sea surface salinity observations from space with the SMOS satellite: A new means to monitor the marine branch of the water cycle, Surv. Geophys., 35, 681-722, doi:10.1007/s10712-013-9244-0.
31. Reul, N., B. Chapron, T. Lee, C. Donlon, J. Boutin, and G. Alory (2014), Sea Surface Salinity structure of the meandering Gulf Stream revealed by SMOS sensor, Geophys. Res. Lett., 41, 3141-3148, doi:10.1002/2014GL059215.
32. Reverdin, G., E. Kestenare, C. Franckignoul, and T. Delcroix (2007), Surface salinity in the Atlantic Ocean (30°S-50°N), Prog. Oceanogr., 73, 311-340.
33. Rio, M.-H., S. Guinehut, and G. Larnicol (2009), New CNES-CLS09 global mean dynamic topography computed from the combination of GRACE data, altimetry, and in situ measurements, J. Geophys. Res., 16, C07018, doi:10.1029/2010JC006505.
34. Roden, G. I. (1974), Thermohaline structure, fronts and sea-air energy exchange of the trade wind region east of Hawaii, J. Phys. Oceanogr., 4, 168-182, doi:10.1175/1520-0485(1974)004〈0168:TSFASA〉2.0.CO;2.
35. Roden, G. I. (1991), Mesoscale flow and thermocline structure around Fieberling Seamount, J. Geophys. Res., 96, 16,653-16,672, doi: 10.1029/91JC01747.
36. Rudnick, D. L., and R. Ferrari (1999), Compensation of the horizontal temperature and salinity gradient in the ocean mixed layer, Science, 283, 526-529.
37. Rudnick, D. L., and J. R. Luyten (1996), Intensive surveys of the Azores Front: 1. Tracers and dynamics, J. Geophys. Res., 101, 923-939.
38. Rudnick, D. L., and J. P. Martin (2002), On the horizontal density ratio in the upper ocean, Dyn. Atmos. Oceans, 36, 3-21.
39. Sabia, R., M. Klockmann, C. Donlon, D. Fernández-Prieto, M. Talone, and J. Ballabrera (2013), Satellite-based T-S diagrams: A prospective tool to trace ocean water masses, paper presented at European Space Agency (ESA) Living planet symposium, Edinburg, U. K., 9-13 September.
40. Stommel, H. M. (1979), Determination of water mass properties of water pumped down from Ekman layer to the geostrophic flow below, Proc. Natl. Acad. Sci. U. S. A., 76, 3051-3055, doi:10.1073/pnas.76.7.3051.
41. Stommel, H. M. (1993), A conjectural regulating mechanism for determining the thermohaline structure in the ocean mixed layer, J. Phys. Oceanogr., 23, 142-148.
42. Tanguy Y., S. Arnault, and P. Lattes (2010), Isothermal, mixed layers and barriers layers in the tropical and sub-tropical Atlantic ocean during the ARAMIS experiment, Deep Sea Res., Part I, 57, 501-517, doi:10.1016/j.dsr.2009.12.012.
43. Yeager, G. S., and W. G. Large (2007), Observational evidence of winter spice injection, J. Phys. Oceanogr., 37, 2895-2019.
44. Young, W. R. (1994), The subinertial mixed layer approximation, J. Phys. Oceanogr., 24, 1812-1826.