NDLI: The Ormen Lange marine archaeology project

Content Provider	IEEE Xplore Digital Library
Author	Jasinski, M.E. Soereide, F.
Copyright Year	2004
Description	Author affiliation: Inst. for Archaeology, Norwegian Univ. of Sci. & Technol., Trondheim, Norway (Jasinski, M.E.; Soereide, F.)
Abstract	The Ormen Lange field is located in the Norwegian Sea, 100 kilometres north-west of the coast of Mid-Norway. It is Norway's largest gas field, and was proven through drilling by Norsk Hydro in 1997. The development of the Ormen Lange field includes installation of a subsea production system, which will be piped directly to an onshore process and export plant. The pipelines pass through an area that is on the Norwegian Directorate for Cultural Heritage's list of areas with special priority for marine archaeology and protection of underwater heritage. The area was visited by Norwegian and foreign vessels since the Middle Ages in connection with rich herring fisheries, timber trade, general trade, and naval operations. Norsk Hydro presented existing survey data from their proposed pipeline routes. Although the multibeam and sidescan surveys had detected 8 modem shipwrecks in the area, it was decided that the existing survey data were inadequate to detect, with reasonable certainty, the presence of archaeological material in the proposed pipeline corridors NTNU therefore carried out a marine archaeological survey in the planned pipeline corridors in August and October 2003 to fulfil the requirements in the Norwegian Law on Protection of Cultural Heritage. The team utilised a 60-feet catamaran equipped with a Kongsberg Simrad DP system, and a Sperre ROV equipped with Kongsberg Simrad sonar and camera equipment to locate shipwrecks in the pipeline corridors. The ROV was flown along the centreline of the pipeline routes. Sonar images were interpreted on the fly and used to locate potential targets. When an interesting target was located, the ROV was flown to it and the target was inspected using the ROV's video cameras, while the survey ship was holding position. During the surveys in August and September 4 modem and 2 historical shipwrecks were discovered in or close to the planned pipeline routes. The most important discovery was a historical shipwreck situated close to the planned pipeline routes. It was detected by the sidescan sonar system used as the primary survey instrument, in concert with the ROV cameras used for visual inspection of the seafloor and seafloor anomalies. Upon closer inspection it was determined that the site was a historically significant wreck, in a state of good preservation. The site contains thousands of artefacts, some exposed on the seafloor surface while others are buried under several centimetres of sandy-silt that is being transported across the site by tidal currents.
Starting Page	968
Ending Page	971
File Size	293443
Page Count	4
File Format	PDF
ISBN	0780386698
DOI	10.1109/OCEANS.2004.1405629
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-09
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pipelines Remotely operated vehicles Cameras Sea floor Cultural differences Protection Modems Sonar equipment Sonar detection Inspection
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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