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The Ocean and Atmosphere in the Maritime Continent and Their Impacts
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Mixing in the Indonesian Seas
Wednesday 9th @ 1110-1130, Conference Room 4
Robin Robertson* , Xiamen University Malaysia
Paul Hartlipp, University of New South Wales, Canberra
Presenter Email: robin.robertson@xmu.edu.my |
| The Indonesian seas have been referred to as the Indonesian 'Mix-Master', since they transform the Pacific waters entering them into fresher, cooler Indonesian Throughflow water flowing out into the Indian Ocean. Tidal mixing due to the interactions of tides and the steep topography and sills of the Indonesian seas is believed to be the prominent mixing mechanism. However, there is also a mean flow coming through the region. The interactions of a mean flow and tidal currents modify the characteristics of the tidal mixing. To date, this has not been investigated or simulated for the Indonesian seas. We plan a combination modeling and observational program to investigate the tidal flow and the interactions of the mean flow with the tides and their impact on mixing and water mass transformation. The observational effort will be focused on Ombai and Lombok straits; however, additional data will be collected off Bengkulu. The observational data will be compared to the simulation to verify the model is properly replicating the water mass transformation and mixing. The performance of different mixing schemes will be evaluated. |
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