NDLI: Site reconnaissance surveys for oil spill research using deep-sea AUVs

Content Provider	IEEE Xplore Digital Library
Author	Diercks, A.-R. Asper, V.L. Woolsey, M. Jarnagin, R. Dike, C. D'Emidio, M. Tidwell, S. Conti, A.
Copyright Year	2013
Description	Author affiliation: Univ. of Southern Mississippi, Stennis Space Center, MS, USA (Dike, C.) \|\| Nat. Inst. for Undersea Sci. & Technol., Univ. of Southern Mississippi, Abbeville, LA, USA (Diercks, A.-R.; Asper, V.L.; Woolsey, M.; Jarnagin, R.) \|\| Mississippi Miner. Resources Inst., Univ. of Mississippi, Oxford, MS, USA (D'Emidio, M.; Tidwell, S.; Conti, A.)
Abstract	The National Institute for Undersea Science and Technology (NIUST) owns and operates two deep-sea AUVs [1, 2]. The International Submarine Engineering (ISE) built Eagle Ray a torpedo shaped, 2200 meter rated Autonomous Undersea Vehicle (AUV), typically operates 20 meters to 50 meters off the seafloor collecting multibeam and sub bottom data. Mola Mola is a 2000 meter rated hovering vehicle that records digital images with its primary sensor an AVT industrial camera typically from three meters altitude. Currently these AUVs provide deep site reconnaissance for instrument deployments and bathymetric and sub bottom surveys of selected areas for the Ecosystem Impacts of Oil and Gas Inputs to the Gulf (ECOGIG) consortium. The Eagle Ray AUV surveying at 50 meters off the seafloor, collects high resolution swath Multibeam Echo Sounder (MBES) and polarity preserved Sub Bottom profile data (SBP) along the nadir line of the vehicles dive track. The Mola Mola AUV is used for close-up high resolution photographic site investigations. The combination of these two AUV's is providing a unique tool to study seafloor morphology, sub bottom structure and provide high resolution imagery of targets of interest [3]. Data of the combined work of these two AUV's collected during the October 2012 Gulf of Mexico Research Initiative (GOMRI) funded ECOGIG cruise to MC297 and MC118 aboard the R/V Pelican will be presented at the meeting. Eagle Ray accomplished during this cruise 3 full length dives to a record depth of 1633 m and collected MBES and SBP data along 241 km of combined line length, covering an area of ~30 km2. Mola Mola took over 12,800 images on 4 full length missions. One of these dives went to a vehicle record depth of 1612 m near MC297 finding and imaging a 3 × 3m size target on the ocean floor, previously deployed on an earlier consortium cruise. This paper will discuss the approach of using autonomous underwater vehicles to collect background data in support of deep sea research aimed at understanding the process of natural oil and gas seeps in the deep Gulf of Mexico from dives completed successfully in 2012.
Sponsorship	IEEE Oceanic Eng. Soc.
Starting Page	1
Ending Page	5
File Size	5862406
Page Count	5
File Format	PDF
ISBN	9780933957404
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	MTS
Subject Keyword	Vehicles Sediments Acoustics Erbium Surface morphology Educational institutions Oceans UVTC AUV Oil Spill Research ECOGIG MBES SBP Eagle Ray Mola Mola NIUST
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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