Articles | Volume 13, issue 6
https://doi.org/10.5194/os-13-1035-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/os-13-1035-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
07 Dec 2017
Research article |
| 07 Dec 2017
An undercurrent off the east coast of Sri Lanka
Scripps Institution of Oceanography, La Jolla, California, USA
Uwe Send
Scripps Institution of Oceanography, La Jolla, California, USA
Julie L. McClean
Scripps Institution of Oceanography, La Jolla, California, USA
Janet Sprintall
Scripps Institution of Oceanography, La Jolla, California, USA
Luc Rainville
Applied Physics Laboratory, University of Washington, Seattle,
Washington, USA
Craig M. Lee
Applied Physics Laboratory, University of Washington, Seattle,
Washington, USA
S. U. Priyantha Jinadasa
National Aquatic Resources Research and Development Agency (NARA)
Crow Island, Colombo 15, Sri Lanka
Alan J. Wallcraft
Center for Ocean–Atmospheric Prediction Studies (COAPS), Florida State University, Tallahassee, Florida, USA
E. Joseph Metzger
Naval Research Laboratory, Stennis Space Center, Mississippi, USA
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- Spatial patterns and key drivers of zooplankton in the north central Indian Ocean H. Wimalasiri et al. 10.1080/17451000.2021.1975755
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- High-resolution numerical modelling of seasonal volume, freshwater, and heat transport along the Indian coast K. Madkaiker et al. 10.5194/os-20-1167-2024
- Seasonal and Year-To-Year Variability of Boundary Currents and Eddy Salt Flux along the Eastern and Southern Coasts of Sri Lanka Observed by PIES and Satellite Measurements A. Anutaliya et al. 10.1175/JPO-D-22-0030.1
- Geoinformatics application for estimating and forecasting of periodic shoreline changes in the east coast of Ampara District, Sri Lanka K. Nijamir et al. 10.1016/j.ocecoaman.2022.106425
- Advection-based tracking and analysis of salinity movement in the Indian Ocean U. Singh et al. 10.1016/j.cageo.2023.105493
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Latest update: 22 Aug 2025
Short summary
Observations and numerical models reveal the existence of the subsurface current in the opposite direction to the surface current off the Sri Lankan east coast. The undercurrent (200–1000 m layer) is most pronounced during the boreal spring and summer and transports more mass than the surface layer (0–200 m). Although the undercurrent is potentially a pathway of salt exchange between the Arabian Sea and the Bay of Bengal, the data and models suggest little salt transport by the undercurrent.
Observations and numerical models reveal the existence of the subsurface current in the opposite...
