An instrument system for monitoring and sampling suspended sediment in the benthic boundary layer

Marine Geology
By: , and 

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Abstract

An instrument system has been constructed that can monitor and sample suspended sediment distributions in the benthic boundary layer. It consists of miniature nephelometers and suspended sediment samplers placed within one meter of the seabed. The system is capable of continuously monitoring suspended sediment profiles at eight levels between 14 and 100 cm above the seabed and collecting suspended sediment samples at four levels (20, 50, 70 and 100 cm) at three times during a deployment period.

The suspended sediment system is designed to fit onto the instrumented tripod GEOPROBE which contains four electromagnetic current meters, pressure sensor, bottom stereo camera, two temperature sensors, transmissometer, and a Savonius rotor current meter. Sensor operation, data recording, and sediment sampling events are synchronized. Thus detailed measurements of the near-bottom flow conditions are made concurrently with suspended sediment measurements. The combined system has been used in sediment transporting environments within San Francisco Bay, California, and Puget Sound, Washington.

Publication type Article
Publication Subtype Journal Article
Title An instrument system for monitoring and sampling suspended sediment in the benthic boundary layer
Series title Marine Geology
DOI 10.1016/0025-3227(86)90069-1
Volume 71
Issue 3-4
Year Published 1986
Language English
Publisher Elsevier
Contributing office(s) San Francisco Bay-Delta, Pacific Regional Director's Office
Description 13 p.
First page 187
Last page 199
Online Only (Y/N) N
Additional Online Files (Y/N) N
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