SYMPOSIA PAPER Published: 01 January 1990
STP17228S

The Use of REMOTS Imaging Technology for Disposal Site Selection and Monitoring

Source

In situ sediment profile imaging was developed for the purpose of rapidly mapping thin layers of disposed dredged material (0.1 to 20 cm thick) and to document efficiently faunal recolonization and diagenesis of disposed sedimentary materials. This technique is called REMOTS® (Remote Ecological Monitoring of the Seafloor) and consists of sediment profile photography combined with computer image analysis.

REMOTS data sets have proven important for selecting containment or dispersive openwater disposal sites. Following disposai, REMOTS is used in combination with precision navigation and bathymetry to contour the mean thickness of disposed materials to 1-cm intervals of thickness. If capping is done, the thickness and continuity of the cap along the flanks of the mound are also determined with REMOTS. Accurate mass balance calculations require high-resolution mapping of thin-layered disposed materials, particularly on the flanks of deposits where layers are typically too thin to be resolved with acoustics.

Author Information

Rhoads, DC
Science Applications International Corp., Newport, RI
Germano, JD
Science Applications International Corp., Newport, RI
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Details
Developed by Committee: D18
Pages: 50–64
DOI: 10.1520/STP17228S
ISBN-EB: 978-0-8031-5145-1
ISBN-13: 978-0-8031-1390-9