Lisa Beal

Agulhas Current Time-series Project

Van Sebille, E., W. E. Johns, & L. M. Beal (2012) Does the vorticity flux from Agulhas rings control the pathway of NADW across the South Atlantic? J. Geophys. Res., 117, C05037, doi:10.1029/2011JC007684.

Van Sebille, E., M. O. Baringer, W. E. Johns, C. S. Meinen, L. M. Beal, M. Femke de Jong, and H. M. van Aken (2011), Propagation pathways of classical Labrador Sea water from its source region to 26°N, J. Geophys. Res., 116, C12027, doi:10.1029/2011JC007171.

Beal, L. M., W. P. M. de Ruijter, A. Biastoch, R. Zahn, and SCOR/IAPSO/WCRP Working Group 136 (2011), On the role of the Agulhas System in Ocean Circulation and Climate, Nature, 472, 429-436, doi:10.1038/nature09983.

Rousset, C. and L. M. Beal (2011) On the seasonal variability of the currents in the Straits of Florida and Yucatan Channel, Journal of Geophysical Research,116, C08004, doi:10.1029/2010JC006679, 2011.

Rayner, Darren, Joel J.-M. Hirschi, Torsten Kanzow, William E.Johns, Paul G.Wright, Eleanor Frajka-Williams, Harry L. Bryden, Christopher S. Meinen, Molly O. Baringer, Jochem Marotzke, Lisa M. Beal, Stuart A. Cunningham (2011), Monitoring the Atlantic meridional over-turning circulation, Deep-Sea Research II, 58, 1744-1753, 2011.

Van Sebille, E., L. M. Beal, and W. E. Johns (2011), Advective time scales of Agulhas leakage to the North Atlantic in surface drifter observations and the 3D OfES model, J. Phys. Oceanogr., 41, 1026-1034, doi: 10.1175/2011JPO4602.1.

Johns, W. E., M. O. Baringer, L. M. Beal, S. A. Cunningham, T. Kanzow, H. L. Bryden, J. J. M. Hirschi, J. Marotzke, C. S. Meinen, B. Shaw, and R. Curry, (2011), Continuous, array- based estimates of the Atlantic Ocean heat transport at 26.5°N, Journal of Climate, 24, 24292449, doi: 10.1175/2010JCLI3997.1

van Sebille, E, L. M. Beal,and A. Biastoch (2010), Sea surface slope as a proxy for Agulhas Current strength, Geophys. Res. Lett., 37, L09610, doi:10.1029/2010GL042847.

Rousset, C. and L. M. Beal (2010), Observations of the Florida and Yucatan Currents from a Caribbean Cruise Ship, J. Phys. Oceanogr., 40, 1575-1581.

Beal, L. M. (2009), A time series of the Agulhas Undercurrent, Journal of Physical Oceanography, 39, 2436-2450. [Abstract | Full Text | PDF]

Biastoch, A., L. M. Beal, J. R. E. Lutjeharms, T. G. D. Casal (2009), Variability and Coherence of the Agulhas Undercurrent in a High-resolution Ocean General Circulation Model, Journal of Physical Oceanography, 39, 2417-2435 [Abstract | Full Text | PDF ]

Casal, T. G. D., L. M. Beal, R. Lumpkin, and W. E. Johns (2009), Structure and downstream evolution of the Agulhas Current system during a quasi-synoptic survey in February–March 2003, J. Geophys. Res., 114, C03001, doi:10.1029/2008JC004954. [web]

Beal L. M., J. M. Hummon, E. Williams, O. B. Brown, W. Baringer, E. J. Kearns (2008), Five years of Florida Current structure and transport from the Royal Caribbean Cruise Ship Explorer of the Seas, J. Geophys. Res., 113, C06001, doi:10.1029/2007JC004154. [web]

Kanzow, T., J. J-M. Hirschi, C. S. Meinen, D. Rayner, S. A. Cunningham, J. Marotzke, W. E. Johns, H. L. Bryden, L. M. Beal, M. O. Baringer (2008), A prototype system of observing the Atlantic Meridional Overturning Circulation: Scientific basis, measurement and risk mitigation strategies, and first results. Journal of Operational Oceanography, Volume 1, 19 - 28. [web]

Johns, W.E., L.M. Beal, M.O. Baringer, J.R. Molina, S.A. Cunningham, T. Kanzow, and D. Rayner, 2008: Variability of Shallow and Deep Western Boundary Currents off the Bahamas during 2004–05: Results from the 26°N RAPID–MOC Array. J. Phys. Oceanogr., 38, 605–623. [web]

S. A. Cunningham, T. Kanzow, D. Rayner, M. O. Baringer, W. E. Johns, J. Marotzke, H. R. Longworth, E. M. Grant, J. J.-M. Hirschi, L. M. Beal, et al. (2007) Temporal Variability of the Atlantic Meridional Overturning Circulation at 26.5{degrees}N. Science 317, 935-938 [web]

T. Kanzow, S. A. Cunningham, D. Rayner, J. J.-M. Hirschi, W. E. Johns, M. O. Baringer, H. L. Bryden, L. M. Beal, C. S. Meinen, and J. Marotzke (2007) Observed Flow Compensation Associated with the MOC at 26.5{degrees}N in the Atlantic. Science 317, 938-941 [web]

Beal, L.M., 2007: Is Interleaving in the Agulhas Current Driven by Near-Inertial Velocity Perturbations? J. Phys. Oceanogr., 37, 932–945. [web]

Tania G.D. Casal, Lisa M. Beal, Rick Lumpkin, A North Atlantic deep-water eddy in the Agulhas Current system, Deep Sea Research Part I: Oceanographic Research Papers, Volume 53, Issue 10, October 2006, Pages 1718-1728. [web] [web]

Beal, L.M., T.K. Chereskin, Y.D. Lenn, and S. Elipot, 2006: The Sources and Mixing Characteristics of the Agulhas Current. J. Phys. Oceanogr., 36, 2060–2074. [web]

Harry L. Bryden, Lisa M. Beal and Louise M. Duncan Structure and Transport of the Agulhas Current and Its Temporal Variability Journal of Oceanography, Vol. 61 (No. 3), pp. 479-492, 2005 [web]

Lisa M. Beal, Teresa K. Chereskin, Harry L. Bryden, Amy Ffield, Variability of water properties, heat and salt fluxes in the Arabian Sea, between the onset and wane of the 1995 southwest monsoon, Deep Sea Research Part II: Topical Studies in Oceanography, Volume 50, Issues 12-13, Physical Oceanography of the Indian Ocean: from WOCE to CLIVAR, July 2003, Pages 2049-2075. [Lisa M. Beal, Teresa K. Chereskin, The volume transport of the Somali Current during the 1995 southwest monsoon, Deep Sea Research Part II: Topical Studies in Oceanography, Volume 50, Issues 12-13, Physical Oceanography of the Indian Ocean: from WOCE to CLIVAR, July 2003, Pages 2077-2089. [web]

T. K. Chereskin, W. D. Wilson, L. M. Beal, The Ekman temperature and salt fluxes at 8[degree sign]30'N in the Arabian Sea during the 1995 southwest monsoon, Deep Sea Research Part II: Topical Studies in Oceanography, Volume 49, Issues 7-8, World Ocean Circulation Experiment, 2002, Pages 1211-1230. [web]

Harry L. Bryden, Lisa M. Beal, Role of the Agulhas Current in Indian Ocean circulation and associated heat and freshwater fluxes, Deep Sea Research Part I: Oceanographic Research Papers, Volume 48, Issue 8, August 2001, Pages 1821-1845. [web]

Donohue, K., E. Firing, and L. Beal (2000), Comparison of three velocity sections of the Agulhas Current and Agulhas Undercurrent, J. Geophys. Res., 105(C12), 28585-28593. [web]

Beal, L., R. Molinari, T. Chereskin, and P. Robbins (2000), Reversing Bottom Circulation in the Somali Basin, Geophys. Res. Lett., 27(16), 2565-2568. [web]

Beal, L., A. Ffield, and A. Gordon (2000), Spreading of Red Sea overflow waters in the Indian Ocean, J. Geophys. Res., 105(C4), 8549-8564. [web]

Beal, L., and H. Bryden (1999), The velocity and vorticity structure of the Agulhas Current at 32°S, J. Geophys. Res., 104(C3), 5151-5176. [web]

Lisa M. Beal, Harry L. Bryden, Observations of an Agulhas Undercurrent, Deep Sea Research Part I: Oceanographic Research Papers, Volume 44, Issues 9-10, September-October 1997, Pages 1715-1724. [web]

Lane-Serff, G., L. M. Beal and T. D. Hadfield (1995) Gravity current flow over obstacles, J. Fluid Mech., 292, 39-53.

Yu Cheng, PhD student, Agulhas leakage and climate, 2012-present

Joni Lum, PhD student, Interbasin exchange of North Atlantic Deep Water, Sept 2010 – present

Greta Leber, PhD student, Agulhas Current Time-series, Sept 2009 – present

Tania Gil Casal, PhD student, The Structure of the Agulhas Current System during the Agulhas Undecurrent Experiment, Sept 2003–2008

Courses