Dynamic events near the upper and mid-fan boundary of the Bengal Fan |
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| Authors: | Emmel Frans J Curray Joseph R |
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| Institution: | (1) Scripps Institution of Oceanography, 92093 La Jolla, CA |
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| Abstract: | Bathymetric sections across the most recent valley just above and below the transition of upper to middle fan show a northward
shift of the thalweg between the confines of the levees. This small-scale migration was followed by a levec break on the higher
north side. Part of the bottom currents, which normally would have been contained within the levees, spilled over and spread
laterally in a northward direction. This levee break caused a canyonward shift of the boundary between the upper and mid fan,
and the diverted flow croded smaller valleys in the western part of the fan. |
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