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Velocity and bottom-stress measurements in the bottom boundary layer, outer Norton Sound, Alaska.

Geologie en Mijnbouw

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Abstract

We have used long-term measurements of near-bottom velocities at four heights above the sea floor in Norton Sound, Alaska, to compute hourly values of shear velocity u., roughness and bottom-drag coefficient. Maximum sediment resuspension and transport, predicted for periods when the computed value of u. exceeds a critical level, occur during peak tidal currents associated with spring tides. The fortnightly variation in u. is correlated with a distinct nepheloid layer that intensifies and thickens during spring tides and diminishes and thins during neap tides. The passage of a storm near the end of the experiment caused significantly higher u. values than those found during fair weather.-from Authros

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Velocity and bottom-stress measurements in the bottom boundary layer, outer Norton Sound, Alaska.
Series title:
Geologie en Mijnbouw
Volume
61
Issue:
1
Year Published:
1982
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geologie en Mijnbouw
First page:
71
Last page:
78