Bottom instrumented tripods: History, applications, and impacts
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Abstract
Instrumented bottom tripods have provided important data on sediment transport processes on continental shelves and in estuaries for four decades. Since the initial deployment in a tidal channel in Puget Sound, WA, in 1965 numerous tripods have been constructed to investigate bottom boundary layer and sediment dynamics worldwide. Tripod data have led to new understanding of near-bottom wave and current flows in the coastal ocean, and have been crucial to the development of shelf circulation and sediment transport models. Calculations of bottom stress, bottom roughness, and sediment flux that resulted directly from tripod data have been compared to bottom boundary layer model results. Where these have differed, new or revised model components have been developed to improve the skill of the models. The many discoveries that have been made from tripod experiments include dense, near-bottom fluid mud layers that transport large quantities of suspended sediment offshore into deeper regions of the continental shelf. This process has been linked to the seaward progradation of subaqueous deltas and to the boundaries of mid-shelf mud deposits off rivers with high fine-sediment discharge.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Bottom instrumented tripods: History, applications, and impacts |
| Series title | Continental Shelf Research |
| DOI | 10.1016/j.csr.2006.07.027 |
| Volume | 26 |
| Issue | 17-18 |
| Year Published | 2006 |
| Language | English |
| Description | 16 p. |
| First page | 2319 |
| Last page | 2334 |
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