NDLI: Littoral seafloor sensing and characterization using marine electromagnetics, optical imagery, and remotely and autonomously operated platforms

Content Provider	IEEE Xplore Digital Library
Author	Schultz, Gregory Keranen, Joe Gleason, Art Gracias, Nuno
Copyright Year	2015
Description	Author affiliation: University of Miami, Department of Physics, Coral Gables, Florida, USA (Gleason, Art) \|\| Department of Electronics and Computer Engineering, University of Girona, Spain (Gracias, Nuno) \|\| White River Technologies, Inc., Lebanon, New Hampshire, USA (Schultz, Gregory; Keranen, Joe)
Abstract	Seafloor sensing in littoral environments is challenged by a combination of technical requirements related to the detection, georegistration, and confirmation or characterization of natural and man-made items on, or beneath the seafloor. Specifically, EM sensing from unmanned systems enables the positioning of array-based sensors directly over targets of interest in a wide range of littoral environments: from surf zone to benthic areas in 100's of meters of water. Targets include both anthropogenic objects such as marine archeology and salvage, infrastructure associated with undersea cables, seabed foundations for windfarms, and unexploded ordnance (UXO) and other munitions hazards as well as shallow natural and geologic objects such as freshwater lens, gas hydrates, mineral ore, and heterogeneous sediment deposits. In this paper, we present aspects of the design, development and testing of array configurations from testing and evaluations in littoral environments. This includes integration and testing with multiple remotely and autonomously operated swimming platforms (ROVs, AUVs, and hybrids). In particular, we demonstrate the deployment of an integrated system based on a hybrid autonomous underwater vehicle and comprising bottom following, station keeping, and waypoint mapping control, a multi-channel frequency-domain EM array, and multiple high resolution imaging sensors. Results from initial testing and pilot studies for UXO surveying, marine archeology, and seabed classification are summarized.
Starting Page	1
Ending Page	7
File Size	4440480
Page Count	7
File Format	PDF
ISBN	9780933957435
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Sensor arrays Testing Sensor systems Optical sensors Sonar Coils littoral sensing marine electromagnetics remotely operated vehicles unexploded ordnance
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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