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 |
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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 |