On the nature of meandering of the springtime western boundary current in the Bay of Bengal

Geophysical Research Letters

Volumn 40, Issue 10, 2013, Pages 2188-2193

  Gangopadhyay, Avijit ^a   Bharat Raj, G N ^b   Chaudhuri, Ayan H ^c   Babu, M T ^d   Sengupta, Debasis ^b  

^a UNIVERSITY OF MASSACHUSETTS DARTMOUTH   (United States)

^b INDIAN INSTITUTE OF SCIENCE   (India)

^c ATMOSPHERIC AND ENVIRONMENTAL RESEARCH   (United States)

^d NATIONAL INSTITUTE OF OCEANOGRAPHY   (India)

Author keywords

altimeter; Bay of Bengal; eddies; potential vorticity; Western Boundary Current

Indexed keywords

ANTICYCLONIC CIRCULATION; ANTICYCLONIC EDDIES; BAY OF BENGAL; EDDIES; HYDROGRAPHIC DATA; POTENTIAL VORTICITY; SATELLITE ALTIMETER; WESTERN BOUNDARY CURRENTS;

ANEROID ALTIMETERS; EARTH SCIENCES; GEOPHYSICS;

VORTICITY;

AIR-SEA INTERACTION; ANTICYCLONE; ATMOSPHERIC CIRCULATION; DATA SET; EDDY; HYDROGRAPHY; POTENTIAL VORTICITY; WESTERN BOUNDARY CURRENT;

BAY OF BENGAL; INDIAN OCEAN;

EID: 84879904802     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/grl.50412     Document Type: Article

References (32)

1. Babu, M. T., S. Prasanna Kumar, and, D. P. Rao, (1991), A sub-surface cyclonic eddy in the Bay of Bengal, J. Mar. Res., 49, 404-410.
2. Babu, M. T., Y. V. B. Sarma, V. S. N. Murty, and, P. Vethamony, (2003), On the circulation in the Bay of Bengal during Northern spring inter-monsoon (March-April 1987), Deep-Sea Res. II, 50, 855-865.
3. Biastoch, A., and, W. Krauss, (1999), The Role of Mesoscale Eddies in the Source Regions of the Agulhas Current, J. Phys. Oceanogr., 29 (9), 2303-2317, doi: 10.1175/1520-0485(1999).
4. Bower, A. S., H. T. Rossby, and, J. L. Lillibridge, (1985), The Gulf Stream-barrier or blender?, J. Phys. Oceanogr., 15 (1), 24-32.
5. Cutler, A.N., and, J.C. Swallow, (1984), Surface currents of the Indian Ocean (to 25ËšS to 100ËšE), Report No. 87, Institute of Oceanographic Sciences, Broadchill, UK.
6. Durand, F., D. Shankar, F. Birol, and, S. S. C. Shenoi, (2008), Estimating boundary currents from satellite altimetry: A case study for the east coast of India, J. Oceanogr., 64, 831-845.
7. Durand, F., D. Shankar, F. Birol, and, S. S. C. Shenoi, (2009), Spatiotemporal structure of the East India Coastal Current from satellite altimetry, J. Geophys. Res., 114, C02013, doi: 10.1029/2008JC004807.
8. Fofonoff, N. P., (1954), Steady flow in a frictionless homogeneous ocean, J. Mar. Res., 13, 254-262.
9. Gangopadhyay, A., P. Cornillon, and, D. R. Watts, (1992), A Test of the Parsons-Veronis Hypothesis related to the Separation of the Gulf Stream from the Coast, J. Phys. Oceanogr., 22 (11), 1286-1301.
10. Gill, A.E., (1982), Atmosphere-ocean Dynamics, Academic Press (eds), 662 pp.
11. Hastenrath, S., and, L. Greischar, (1991), The Monsoonal Current Regimes of the Tropical Indian Ocean: Observed Surface Flow Fields and Their Geostrophic and Wind-Driven Components, J. Geophys. Res., 96 (C7), 12,619-12,633, doi: 10.1029/91JC00997.
12. Holland, W. R., (1972), Baroclinic and topographic influences on the transport in western boundary currents, Geophys. Astro. Fluid Dynamics, 4 (1), 187-210.
13. Jochum, M., and, P. Malanotte-Rizzoli, (2003), On the generation of the North Brazil Current Rings, J. Mar. Res., 61, 147-173.
14. Kurien, P., M. Ikeda, and, V. K. Valsala, (2010), Mesoscale variability along the East Coast of India in Spring as revealed from satellite data and OGCM simulations, J. Oceanogr., 66, 273-289.
15. Lozano, C. J., A. Robinson, H. G. Arango, A. Gangopadhyay, Q. Sloan, P. J. Haley, L. Anderson, and, W.G. Leslie, (1996), An interdisciplinary Ocean Prediction System: Assimilation Strategies and Structured Data Models, in Modern Approaches to Data Assimilation in Ocean Modeling, (Ed., P. Malanotte-Rizzoli,), Elsevier Oceanography Series, Elsevier Science, Amsterdam, pp 413-452.
16. Legeckis, R., (1987), Satellite Observations of a western boundary current in the Bay of Bengal, J. Geophys. Res., 92, 12,974-12,978.
17. McCreary, J. P., P. K. Kundu, and, R. L. Molinari, (1993), A numerical investigation of dynamics, thermodynamics and mixed-layer processes in the Indian Ocean, Prog. Oceanogr., 31 (3), 181-244.
18. McCreary, J. P., W. Han, D. Shankar, and, S. R. Shetye, (1996), Dynamics of the East India Coastal Current, 2. Numerical solutions, J. Geophys. Res., 101, 13,993-14,010.
19. Murty, V. S. N., Y. V. B. Sarma, D. P. Rao, and, C. S. Murty, (1992), Water characteristics, mixing and circulation in the Bay of Bengal during southwest monsoon, J. Mar. Res., 50, 207-228.
20. Murty, V. S. N., A. Suryanarayana, and, D. P. Rao, (1993), Current structure and volume transport across 12ËšN in the Bay of Bengal, Ind. J. Mar. Sci., 22, 12-16.
21. Qiu, B., and, W. Miao, (2000), Kuroshio Path Variations South of Japan: Bimodality as a Self-Sustained Internal Oscillation, J. Phys. Oceanogr., 30, 2124-2137.
22. Sanilkumar, K. V., T. V. Kuruvilla, D. Jogendranath, and, R. R. Rao, (1997), Observations of the western boundary current of the Bay of Bengal from a hydrographic survey during March 1993, Deep-Sea Res.I, 44 (1), 135-145.
23. Schott, F. A., S.-P. Xie, and, J. P. McCreary Jr,., (2009), Indian Ocean circulation and climate variability, Rev. of Geophys., 47, RG1002/2009.
24. Schouten, M. W., W. P. M. Ruijter, P. J. Leeuwen, and, H. Ridderinkhof, (2003), Eddies and variability in the Mozambique Channel, Deep-Sea Res., 50 (12-13), 1987-2003, doi: 10.1016/S0967-0645(03)00042-0.
25. Shetye, S. R., A. D. Gouveia, S. S. C. Shenoi, D. Sundar, G. S. Michael, and, G. Nampoothiri, (1993), The western boundary current of the seasonal subtropical gyre in the Bay of Bengal, J. Geophys. Res., 98, 945-954.
26. Shetye, S. R., A. D. Gouveia, D. Shankar, S. S. C. Shenoi, P. N. Vinayachandran, D. Sundar, G. S. Michael, and, G. Nampoothiri, (1996), Hydrography and circulation in the western Bay of Bengal during the northeast monsoon, J. Geophys. Res., 101, 14,011-14,025.
27. Somayajulu, Y. K., V. S. N. Murty, and, Y. V. B. Sarma, (2003), Seasonal and inter-annual variability of surface circulation in the Bay of Bengal from TOPEX/Poseidon altimetry, Deep-Sea Res. II, 50, 867-880.
28. Soutelino, R., I. Silveira, A. Gangopadhyay, and, J. Miranda, (2011), Is the Brazil Current eddy dominated north of 20°S?, Geophys. Res. Lett., VOL. 38, L03607, doi: 10.1029/2010GL046276.
29. Suryanarayana, A., V. S. N. Murty, and, D. P. Rao, (1993), Hydrography and circulation of the Bay of Bengal during early winter, 1983, Deep-Sea Research I, 40 (1), 205-217.
30. Veronis, G., (1966), Wind driven ocean circulation. Part 2. Numerical solution of a nonlinear problem, Deep-Sea Res., 13, 31-55.
31. Vinayachandran, P. N., S. R. Shetye, D. Sengupta, and, S. Gadgil, (1996), Forcing mechanisms of the Bay of Bengal circulation, Curr. Sci., 71, 753-763.
32. Yu, L., J. J. O'Brien, and, J. Yang, (1991), On the remote forcing of the circulation in the Bay of Bengal, J. Geophys. Res., 96, 20,449-20,454.