Spread of Surface Plume in Homogeneous and Stratified Coastal Waters
Publication: Journal of Hydraulic Engineering
Volume 124, Issue 5
Abstract
Field measurements were undertaken to determine the spread of a nonbuoyant surface plume in homogeneous and stratified coastal waters with strong tidal currents. In the homogeneous current the concentration profiles of marked fluid, released near the free surface, were Gaussian in both the lateral and vertical directions; the lateral spread was much larger than the vertical spread. In the stratified current the lateral concentration profiles were Gaussian. The marked fluid spread quickly in the vertical direction, reaching the pycnocline a short distance downstream from the point of release. The lateral spread was less than that in the homogeneous current. In both the homogeneous and stratified currents the spreads were nonlinear. The maximum concentration of marked fluid, occurring long the plume axis, decreased nonlinearly with the diffusion time.
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Published In
Journal of Hydraulic Engineering
Volume 124 • Issue 5 • May 1998
Pages: 465 - 473
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: May 1, 1998
Published in print: May 1998
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