Marine Geodesy — Precise Ocean Surveys

by Narendra K. Saxena, (M.ASCE), Asst. Prof.; Dept. of Civil Engrg., Univ. of Illinois, Urbana, Ill. and Chmn., Marine Geodesy Committee, Marine Tech. Society, Washington, D.C.,

Serial Information: Journal of the Surveying and Mapping Division, 1975, Vol. 101, Issue 1, Pg. 73-87

Document Type: Journal Paper


Various current and future problem areas of the ocean related to precise positioning are identified and described. These problem areas are highly diversified and include mapping the ocean floor, ocean depth determination, positioning and navigation of a submersible even under iced seas, boundary demarcation in deep ocean, tsunamis, ecology, etc. An estimate of desired positional accuracies, based upon the writer's consultations with the users and published literature, is given. A conceptual solution to achieve the desired positional accuracies has been given, which requires a hybrid system comprising of space, EDM, and acoustic instrumentation.

Subject Headings: Geodetic surveys | Ocean engineering | Ocean currents | Mapping | Floors | Navigation (waterway) | Seas and oceans | Domain boundary

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