The mean surface circulation of the North Atlantic subpolar gyre: A comparison of estimates derived from new gravity and oceanographic measurements

Journal of Geophysical Research: Oceans

Volumn 116, Issue 8, 2011, Pages

  Higginson, S ^a   Thompson, K R ^a   Huang, J ^b   Veronneau M ^b   Wright, D G ^c  

^a DALHOUSIE UNIVERSITY   (Canada)

^b CANADA CENTRE FOR REMOTE SENSING   (Canada)

^c BEDFORD INSTITUTE OF OCEANOGRAPHY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE MODELS; CLIMATOLOGY; ESTIMATION; GEODESY; GEODETIC SATELLITES; PLANETARY SURFACE ANALYSIS; TOPOGRAPHY;

COASTAL CURRENTS; GEOID MODELS; GRAVITY DATA; GRAVITY RECOVERY AND CLIMATE EXPERIMENT SATELLITES; IN-SITU MEASUREMENT; NORTH ATLANTIC; NORTHWEST ATLANTIC; OCEAN MODEL; OCEANOGRAPHIC MEASUREMENTS; SALINITY CLIMATOLOGY; SATELLITE ALTIMETER; SUBPOLAR GYRES; SURFACE CIRCULATION; SURFACE DRIFTER;

SURFACE TOPOGRAPHY;

ARGO; CLIMATOLOGY; COASTAL CURRENT; COMPARATIVE STUDY; CONTINENTAL SHELF; DATA SET; ESTIMATION METHOD; GEOID; GRACE; GRAVITY FIELD; GYRE; IN SITU MEASUREMENT; MOORING SYSTEM; NUMERICAL MODEL; QUALITATIVE ANALYSIS; QUANTITATIVE ANALYSIS; SALINITY; SATELLITE ALTIMETRY; SATELLITE MISSION; SEA SURFACE TOPOGRAPHY; WATER TEMPERATURE;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH);

EID: 80052098020     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/2010JC006877     Document Type: Article

References (43)

1. Andersen, O., P. Knudsen, and R. Trimmer (2005), Improved high resolution altimetric gravity field mapping (the KMS2002 global marine gravity field), in A Window on the Future of Geodesy, Int. Assoc. Geod. Symp., vol. 128, edited by F. Sanso, pp. 326-331, Springer, Berlin.
2. Andersen, O., P. Knudsen, and P. Berry (2010), The DNSC08GRA global marine gravity field from double retracked satellite altimetry, J. Geod., 84, 191-199, doi:10.1007/s00190-009-0355-9.
3. Antonov, J., T. Locarnini, R. A. Boyer, A. Mishonov, and H. Garcia (2006), World Ocean Atlas 2005, vol. 2, Salinity, NOAA Atlas NESDIS, vol. 62, edited by S. Levitus, 182 pp., NOAA, Silver Spring, Md.
4. Bacon, S., P. G. Myers, B. Rudels, and D. A. Sutherland (2008), Accessing the inaccessible: Buoyancy-driven coastal currents on the shelves of Greenland and eastern Canada, in Arctic-Subarctic Ocean Fluxes: Defining the Role of the Northern Seas in Climate, edited by R. R. Dickson, J. Meincke, and P. Rhines, chap. 28, pp. 703-722, Springer, Dordrecht, Netherlands, doi:10.1007/978-1-4020- 6774-7-29.
5. Bingham, R., K. Haines, and C. Hughes (2008), Calculating the ocean's mean dynamic topography from a mean sea surface and a geoid, J. Atmos. Oceanic Technol., 25, 1808-1822, doi:10.1175/ 2008JTECHO568.1.
6. Boyer, T., S. Levitus, H. Garcia, R. Locarnini, C. Stephens, and J. Antonov (2005), Objective analyses of annual, seasonal, and monthly temperature and salinity for the world ocean on a 0.25° grid, Int. J. Climatol., 25, 931-945, doi:10.1002/joc.1173. (Pubitemid 40906766)
7. Clarke, R. (1984), Transport through the Cape Farewell-Flemish Cap section, Rapp. P. V. Reun. Cons. Int. Explor. Mer, 185, 120-130.
8. Colbourne, E., B. de Young, S. Narayanan, and J. Helbig (1997), Comparison of hydrography and circulation on the Newfoundland Shelf during 1990-1993 with the long-term mean, Can. J. Fish. Aquat. Sci., 54, 68-80.
9. Cuny, J., P. B. Rhines, P. P. Niiler, and S. Bacon (2002), Labrador Sea boundary currents and the fate of the Irminger Sea water, J. Phys. Oceanogr., 32(2), 627-647. (Pubitemid 34866017)
10. Dickson, R., B. Rudels, S. Dye, M. Karcher, J. Meincke, and I. Yashayaev (2007), Current estimates of freshwater flux through Arctic and subarctic seas, Prog. Oceanogr., 73(3-4), 210-230, doi:10.1016/j.pocean.2006.12. 003. (Pubitemid 46898564)
11. Fichefet, T., and M. A. M. Maqueda (1997), Sensitivity of a global sea ice model to the treatment of ice thermodynamics and dynamics, J. Geophys. Res., 102, 12,609-12,646. (Pubitemid 27520406)
12. Fratantoni, P. S., and R. S. Pickart (2007), The western North Atlantic shelfbreak current system in summer, J. Phys. Oceanogr., 37(10), 2509-2533. (Pubitemid 350148785)
13. Gerdes, R., W. Hurlin, and S. M. Griffies (2006), Sensitivity of a global ocean model to increased run-off from Greenland, Ocean Modell., 12(3-4), 416-435, doi:10.1016/j.ocemod.2005.08.003. (Pubitemid 43045978)
14. Heywood, K., E. McDonagh, and M. White (1994), Eddy kinetic energy of the North Atlantic subpolar gyre from satellite altimetry, J. Geophys. Res., 99, 22,525-22,539.
15. Higginson, S., K. R. Thompson, and Y. Liu (2009), Estimating ocean climatologies for short periods: A simple technique for removing the effect of eddies from temperature and salinity profiles, Geophys. Res. Lett., 36, L19602, doi:10.1029/2009GL039647.
16. Holliday, N. P., A. Meyer, S. Bacon, S. G. Alderson, and B. de Cuevas (2007), Retroflection of part of the east Greenland current at Cape Farewell, Geophys. Res. Lett., 34, L07609, doi:10.1029/2006GL029085. (Pubitemid 46957888)
17. Huang, J., G. Fotopoulos, M. Cheng, M. Véronneau, and M. Sideris (2007), On the estimation of the regional geoid error in Canada, in Dynamic Planet, Int. Assoc. Geod. Symp., vol. 130, pp. 272-279, Springer, Berlin.
18. Hwang, C., H.-Y. Hsu, and R.-J. Jang (2002), Global mean sea surface and marine gravity anomaly from multi-satellite altimetry: Applications of deflection-geoid and inverse Vening Meinesz formulae, J. Geod., 76, 407-418, doi:10.1007/s00190-002-0265-6. (Pubitemid 36036424)
19. Kalnay, E., et al. (1996), The NCEP/NCAR 40-year reanalysis project, Bull. Am. Meteorol. Soc., 77(3), 437-471.
20. Krauss, W. (1995), Currents and mixing in the Irminger Sea and in the Iceland Basin, J. Geophys. Res., 100, 10,851-10,871, doi:10.1029/ 95JC00423.
21. Large, W., and S. Yeager (2009), The global climatology of an interannually varying air-sea flux data set, Clim. Dyn., 33, 341-364, doi:10.1007/ s00382-008-0441-3.
22. Lavender, K. L., R. E. Davis, and W. B. Owens (2000), Mid-depth recirculation observed in the interior Labrador and Irminger Seas by direct velocity measurements, Nature, 407(6800), 66-69, doi:10.1038/ 35024048.
23. Lazier, J. R. N., and D. G. Wright (1993), Annual velocity variations in the Labrador Current, J. Phys. Oceanogr., 23(4), 659-678. (Pubitemid 24429532)
24. Locarnini, R., A. Mishonov, J. Antonov, T. Boyer, and H. Garcia (2006), World Ocean Atlas 2005, vol. 1, Temperature, NOAA Atlas NESDIS, vol. 61, edited by S. Levitus, 182 pp., NOAA, Silver Spring, Md.
25. Loder, J. W., B. Petrie, and G. Gawarkiewicz (1998), The coastal ocean off northeastern North America: A large-scale view, in The Global Coastal Ocean: Regional Studies and Syntheses, Sea, vol. 11, edited by K. H. Brink and A. R. Robinson, chap. 5, pp. 105-133, John Wiley, New York.
26. Lozier, M., W. Owens, and R. Curry (1995), The climatology of the North Atlantic, Prog. Oceanogr., 36(1), 1-44. (Pubitemid 26463793)
27. Lumpkin, R., and M. Pazos (2007), Measuring surface currents with Surface Velocity Program drifters: The instrument, its data, and some recent results, in Lagrangian Analysis and Prediction of Coastal and Ocean Dynamics (LAPCOD), chap. 2, pp. 39-67, Cambridge Univ. Press, Cambridge, U. K.
28. Madec, G., P. Delecluse, M. Imbard, and C. Lèvy (1998), OPA 8.1 ocean general circulation model reference manual, Notes Pôle Modélisation 11, 91 pp., Inst. Pierre Simon Laplace, Paris.
29. Myers, P. G., C. Donnelly, and M. H. Ribergaard (2009), Structure and variability of the West Greenland Current in summer derived from 6 repeat standard sections, Prog. Oceanogr., 80(1-2), 93-112, doi:10.1016/j. pocean.2008.12.003.
30. Niiler, P., and J. Paduan (1995), Wind-driven motions in the northeast Pacific as measured by Lagrangian drifters, J. Phys. Oceanogr., 25(11), 2819-2830. (Pubitemid 26446040)
31. Pavlis, N., S. Holmes, S. Kenyon, and J. Factor (2008), An Earth gravitational model to degree 2160: EGM2008, paper presented at General Assembly, Eur. Geosci. Union, Vienna.
32. Rio, M., and F. Hernandez (2004), A mean dynamic topography computed over the world ocean from altimetry, in situ measurements, and a geoid model, J. Geophys. Res., 109, C12032, doi:10.1029/2003JC002226. (Pubitemid 40335138)
33. Sandwell, D. T., and W. H. F. Smith (2009), Global marine gravity from retracked Geosat and ERS-1 altimetry: Ridge segmentation versus spreading rate, J. Geophys. Res., 114, B01411, doi:10.1029/ 2008JB006008.
34. 3065.1. (Pubitemid 47065054)
35. Smith, R. S., and J. M. Gregory (2009), A study of the sensitivity of ocean overturning circulation and climate to freshwater input in different regions of the North Atlantic, Geophys. Res. Lett., 36, L15701, doi:10.1029/2009GL038607.
36. Stacey, M. W., J. Shore, D. G. Wright, and K. R. Thompson (2006), Modeling events of sea-surface variability using spectral nudging in an eddy permitting model of the northeast Pacific Ocean, J. Geophys. Res., 111, C06037, doi:10.1029/2005JC003278. (Pubitemid 44768147)
37. Stouffer, R. J., et al. (2006), Investigating the causes of the response of the thermohaline circulation to past and future climate changes, J. Clim., 19(8), 1365-1387, doi:10.1175/JCLI3689.1.
38. Sutherland, D. A., and R. S. Pickart (2008), The East Greenland Coastal Current: Structure, variability, and forcing, Prog. Oceanogr., 78(1), 58-77, doi:10.1016/j.pocean.2007.09.006.
39. Thompson, K., D. Wright, Y. Lu, and E. Demirov (2006), A simple method for reducing seasonal bias and drift in eddy resolving ocean models, Ocean Modell., 13(2), 109-125, doi:10.1016/j.ocemod.2005.11.003.
40. Thompson, K., J. Huang, M. Véronneau, D. Wright, and Y. Lu (2009), The mean surface topography of the northwest Atlantic: Comparison of estimates based on satellite, terrestrial gravity, and oceanographic observations, J. Geophys. Res., 114, C07015, doi:10.1029/2008JC004859.
41. Wang, Y. (2001), GSFC 00 mean sea surface, gravity anomaly, and vertical gravity gradient from satellite altimeter data, J. Geophys. Res., 106, 31,167-31,174.
42. Wright, D. G., K. R. Thompson, and Y. Lu (2006), Assimilating long-term hydrographic information into an eddy-permitting model of the North Atlantic, J. Geophys. Res., 111, C09022, doi:10.1029/2005JC003200. (Pubitemid 47385453)
43. Yashayaev, I. (2007), Hydrographic changes in the Labrador Sea, 1960-2005, Prog. Oceanogr., 73(3-4), 242-276, doi:10.1016/j. pocean.2007.04.015. (Pubitemid 46898567)