Sea surface slope as a proxy for Agulhas Current strength

Geophysical Research Letters

Volumn 37, Issue 9, 2010, Pages

  van Sebille, Erik ^a   Beal, Lisa M ^a   Biastoch, Arne ^b  

^a UNIVERSITY OF MIAMI   (United States)

^b GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

Author keywords

Agulhas region; altimetry; experiment design

Indexed keywords

METEOROLOGICAL INSTRUMENTS; SEA LEVEL; TIME SERIES;

AGULHAS REGION; ALTIMETRY; EXPERIMENT DESIGN; NUMERICAL OCEAN MODELING; REASONABLE ACCURACY; SEA SURFACE SLOPE; STANDARD DEVIATION; TRANSPORT MEASUREMENTS;

SURFACE WATERS;

EID: 84863434242     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1029/2010GL042847     Document Type: Article

References (19)

1. Baker-Yeboah, S., D. R. Watts, and D. A. Byrne (2009), Measurements of sea surface height variability in the eastern South Atlantic from pressure sensor-equipped inverted echo sounders: Baroclinic and barotropic components, J. Atmos. Ocean. Tech., 26, 2593–2609.
2. Beal, L. M. (2009), A time series of Agulhas Undercurrent transport, J. Phys. Oceanogr., 39, 2436–2450.
3. Biastoch, A., C. W. Böning, and J. R. E. Lutjeharms (2008), Agulhas leakage dynamics affects decadal variability in Atlantic overturning circulation, Nature, 456, 489–492.
4. Biastoch, A., L. M. Beal, J. R. E. Lutjeharms, and T. G. D. Casal (2009a), Variability and coherence of the Agulhas Undercurrent in a high-resolution ocean general circulation model, J. Phys. Oceanogr., 39, 2417–2435.
5. Biastoch, A., C. W. Böning, F. U. Schwarzkopf, and J. R. E. Lutjeharms (2009b), Increase in Agulhas leakage due to poleward shift of Southern Hemisphere westerlies, Nature, 462, 495–499.
6. Boebel, O., J. R. E. Lutjeharms, C. Schmid, W. Zenk, T. Rossby, and C. N. Barron (2003), The Cape Cauldron, a regime of turbulent inter-ocean exchange, Deep Sea Res., Part II, 50, 57–86.
7. Bryden, H. L., L. M. Beal, and L. M. Duncan (2005), Structure and transport of the Agulhas Current and its temporal variability, J. Oceanogr., 61, 479–492.
8. De Ruijter, W. P. M., A. Biastoch, S. S. Drijfhout, J. R. E. Lutjeharms, R. P. Matano, T. Pichevin, P. J. Van Leeuwen, and W. Weijer (1999a), Indian-Atlantic interocean exchange: Dynamics, estimation, and impact, J. Geophys. Res., 104, 20,885–20,910, doi:10.1029/1998JC900099.
9. De Ruijter, W. P. M., P. J. Van Leeuwen, and J. R. E. Lutjeharms (1999b), Generation and evolution of Natal pulses: Solitary meanders in the Agulhas Current, J. Phys. Oceanogr., 29, 3043–3055.
10. Debreu, L., C. Vouland, and E. Blayo (2008), AGRIF: Adaptive grid refinement in Fortran, Comput. Geosci., 34, 8–13.
11. Dijkstra, H. A., and W. P. M. De Ruijter (2001), On the physics of the Agulhas current: Steady retroflection regimes, J. Phys. Oceanogr., 31, 2971–2985.
12. Imawaki, S., H. Uchida, H. Ichikawa, M. Fukasawa, S. Umatani, and the ASUKA Group (2001), Satellite altimeter monitoring the Kuroshio transport south of Japan, Geophys. Res. Lett., 28, 17–20, doi:10.1029/2000GL011796.
13. Johns, W. E., T. Kanzow, and R. Zantopp (2005), Estimating ocean transports with dynamic height moorings: An application in the Atlantic Deep Western Boundary Current at 26°N, Deep Sea Res., Part I, 52, 1542–1567.
14. Lutjeharms, J. R. E. (2006), The Agulhas Current, Springer, New York.
15. Madec, G. (2006), NEMO ocean engine, in Note du Pôle de Modélisation, Inst. Pierre Simon Laplace, Paris.
16. Ou, H. W., and W. P. M. De Ruijter (1986), Separation of an inertial boundary current from a curved coastline, J. Phys. Oceanogr., 16, 280–289.
17. Rouault, M., P. Penven, and B. Pohl (2009), Warming in the Agulhas Current system since the 1980's, Geophys. Res. Lett., 36, L12602, doi:10.1029/2009GL037987.
18. Van Sebille, E., A. Biastoch, P. J. Van Leeuwen, and W. P. M. De Ruijter (2009), A weaker Agulhas Current leads to more Agulhas leakage, Geophys. Res. Lett., 36, L03601, doi:10.1029/2008GL036614.
19. Vossepoel, F. C. (2007), Uncertainties in the mean ocean dynamic topography before the launch of the Gravity Field and Steady-State Ocean Circulation Explorer (GOCE), J. Geophys. Res., 112, C05010, doi:10.1029/2006JC003891.