Anchoring submersible ultrasonic receivers in river channels with stable substrate
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Abstract
We developed an anchoring system for submersible ultrasonic receivers (SURs) that we placed on the bottom of the riverine reaches of three main-stem reservoirs in the upper Tennessee River. Each anchor consisted of a steel tube (8.9 x 35.6 cm) welded vertically to a round plate of steel (5.1 x 40.6 cm). All seven SURs and their 57-kg anchors were successfully deployed and retrieved three times over 547 d by a dive team employing surface air-breathing equipment and a davit-equipped boat. All of the anchors and their SURs remained stationary over two consecutive winters on the hard-bottom, thalweg sites where they were deployed. The SUR and its anchor at the most downriver site experienced flows that exceeded 2,100 m(3)/s and mean water column velocities of about 0.9 m/s.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Anchoring submersible ultrasonic receivers in river channels with stable substrate |
| Series title | North American Journal of Fisheries Management |
| DOI | 10.1577/M10-015.1 |
| Volume | 4 |
| Issue | 30 |
| Year Published | 2010 |
| Language | English |
| Publisher | American Fisheries Society |
| Publisher location | Lawrence, KS |
| Contributing office(s) | Coop Res Unit Atlanta |
| Description | 4 p. |
| First page | 989 |
| Last page | 992 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |