Internal tides and sediment movement on Horizon Guyot, Mid-Pacific Mountains
Geo-Marine Letters
By: D. A. Cacchione, W. C. Schwab, M. Noble, and G. Tate
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Abstract
Internal tidal currents are the likely cause of erosional features such as current ripples, sand waves, and truncated bedding horizons on the sediment cap of Horizon Guyot. Current meter data obtained over a 9 month period in 1983-1984 at about 213 m above the guyot show that the tidal currents are anomalously strong for mid-oceanic depths, probably the result of topographically induced generation of internal tidal waves. An analysis of the initiation of motion of the foraminiferal sand by the internal tidal currents indicates that these currents, particularly during the months of March-May, are likely to transport the surficial sediment and generate the observed bedforms. ?? 1988 Springer-Verlag New York Inc.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Internal tides and sediment movement on Horizon Guyot, Mid-Pacific Mountains |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/BF02238001 |
| Volume | 8 |
| Issue | 1 |
| Year Published | 1988 |
| Language | English |
| Publisher location | Springer-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geo-Marine Letters |
| First page | 11 |
| Last page | 17 |
| Google Analytic Metrics | Metrics page |