In contrast to the nonlinear evolution of internal tides propagating across the continental shelf, the generation mechanism appears closely linked to the internal hydraulic response. Soc ., Series A, 1999. Cummins, P., Numerical simulations of upstream bores and solitons in a two-layer flow past an obstacle, J. Phys. Melville, W. K. and K. R. Helfrich, Transcritical two-layer flow over topography, J. Fluid. Corresponding echo-sounding image of solitarywaves.
Arrows indicate current vectors shown at same aspect ratio as figure and coded as to magnitude.
Chart of sill area with arrow showing ship track. Copyright 1999 American Association for the Advancement of Science. Upstream density profile in sigma-t. Repeat traverse travelling upstream approximately 30 min after 2a. Blue shading indicates unstable flow.