NDLI: Application of Parametric Acoustics for Shallow-Water Near-Surface Geophysical Investigations

Content Provider	IEEE Xplore Digital Library
Author	Vasudevan, M. Sivakholundu, K.M. Venkata, R.D. Kathiroli, S.
Copyright Year	2006
Description	Author affiliation: Nat. Inst. of Ocean Technol., Chennai (Vasudevan, M.; Sivakholundu, K.M.; Venkata, R.D.; Kathiroli, S.)
Abstract	Shallow-water near-surface geophysical investigations were carried out, under two different scenarios - one to assess the status of a pipeline in the West coast and the other to assess the effect of water-injection dredging in the East coast of India. In both these investigations, Parametric Sediment Echo Sounder (SES-2000), a system developed by Innomar Technologie GmbH, which makes use of the parametric acoustical effect, was used. In the former case, profiles were taken across a pipeline at regular intervals to determine whether it was buried or exposed. The parametric system produces a 2D geo-acoustic section in which the pipe is indicated by a hyperbolic curve. The exposed height or buried depth of the pipeline at a crossing is then estimated. This investigation could, also, reveal the geomorphologic changes in the immediate vicinity of the pipeline. In the latter case, parametric acoustics was utilized to provide supplementary results for the assessment of water-injection dredging. Parametric acoustic data could expose the abrupt termination of certain near-seabed layer interfaces and sediment accumulations along steep slope, quite convincingly. SES-2000 proved to be handy to investigate the near-surface sub-seabed, especially in areas where conventional or popular methods find practical difficulties to be carried out.
Starting Page	1
Ending Page	4
File Size	2898900
Page Count	4
File Format	PDF
ISBN	9781424401376
DOI	10.1109/OCEANSAP.2006.4393876
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-16
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acoustic applications Pipelines Frequency Marine technology Sediments Underwater acoustics Inspection Acoustic pulses Nonlinear acoustics Acoustic beams Multibeam Bathymetry Geophysical Investigation Parametric Acoustics SES-2000 Pipeline Inspection Geo-Acoustic Section Water-Injection Dredging
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

Geo-acoustic inversion of experimental data from two shallow water sites

A new deep water multibeam echosounder-TSM 5265

Multibeam survey remarks for the oil and gas industry

Improved vehicle based multibeam bathymetry using sub-maps and SLAM

The Pipeline Identification Method Basing on AUV's Echo-Sounder Data

Acoustic propagation in very shallow water

Combined underwater acoustic and radar instruments for assessing fish near seabed and mapping seabed

An ultrasonic circular array transducer for pipeline and borehole inspection

Processing and interpretation of 95 kHz backscatter data from shallow-water multibeam sonars

Application of Parametric Acoustics for Shallow-Water Near-Surface Geophysical Investigations

Similar Documents

Geo-acoustic inversion of experimental data from two shallow water sites

A new deep water multibeam echosounder-TSM 5265

Multibeam survey remarks for the oil and gas industry

Improved vehicle based multibeam bathymetry using sub-maps and SLAM

The Pipeline Identification Method Basing on AUV's Echo-Sounder Data

Acoustic propagation in very shallow water

Combined underwater acoustic and radar instruments for assessing fish near seabed and mapping seabed

An ultrasonic circular array transducer for pipeline and borehole inspection

Processing and interpretation of 95 kHz backscatter data from shallow-water multibeam sonars

Application of Parametric Acoustics for Shallow-Water Near-Surface Geophysical Investigations