Geotechnical Surveys Indicate Potential Offshore Port Facilities off Subarnarekha Outflow Sector, Orissa, India

Deficiency in major port facilities off Orissa prompted the State Government to promote development of a port facility in the Subarnarekha river outflow sector utilizing the inland water network of Orissa coast canal and Contai canal. Marine and Coastal Surveys Division of Geological Survey of India...

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Bibliographic Details
Published in:Marine georesources & geotechnology 2014-10, Vol.32 (4), p.316-327
Main Authors: Mathai, Thomas, Samadder, A. K., Renjith, M. L., Rajarama, K. N.
Format: Article
Language:English
Subjects:
bathymetric surveys
Channels
Coastal zone management
Freshwater
geotechnical characteristics
Geotechnics
Geotechnology
India
inland water network
Marine
Ocean bottom
Offshore
Offshore engineering
port facility
Ports
river outflow sector
Sand
side scan surveys
Surveys
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Summary:Deficiency in major port facilities off Orissa prompted the State Government to promote development of a port facility in the Subarnarekha river outflow sector utilizing the inland water network of Orissa coast canal and Contai canal. Marine and Coastal Surveys Division of Geological Survey of India carried out geotechnical feasibility surveys to explore possibilities of setting up a port facility in this sector. Bathymetry reveals smooth, parallel isobaths signifying gentle slopes with varying gradients. The East-West profile delineates a natural channel that could be dredged into a navigational channel. Sediments are dominantly sandy silt marginally varying either into silty sand or clayey silt. Geotechnical characteristics suggest a stable substratum ideal for developing the offshore port facility. Side-scan sonar surveys reveal a seafloor bereft of any hazardous rocks or reefs. The surveys espouse immense potential for developing this sector into an offshore port facility.
ISSN:1064-119X
1521-0618
DOI:10.1080/1064119X.2013.764554