NDLI: Comparison of national vertical and chart datums with WGS 84 (EGM96) geoid

Content Provider	IEEE Xplore Digital Library
Author	Fell, P. Tanembaum, M.
Copyright Year	2002
Description	Author affiliation: Naval Surface Warfare Center, Dahlgren, VA, USA (Fell, P.; Tanembaum, M.)
Abstract	In 2001, the National Imagery and Mapping Agency (NIMA) initiated a project with the Naval Surface Warfare Center (i) to examine transformations from national vertical data to the World Geodetic System 1984 and (ii) to address the potential for converting bathymetric depths from coastal hydrographic charts to WGS 84. This paper discusses findings obtained during the project. Systematic differences between various national vertical data and WGS 84 were determined and modeled. These models enable elevations or orthometric heights to be transformed with a better "fit" between local vertical data and the WGS 84 geoid. A concept for addressing hydrographic chart depth conversion based on GPS positioning of the chart data (e.g. Mean Low Low Water) was also examined. Results along the southeastern United States coast are presented.
Starting Page	1121
Ending Page	1126
File Size	310777
Page Count	6
File Format	PDF
ISBN	0780375343
DOI	10.1109/OCEANS.2002.1192123
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Global Positioning System Sea measurements Sea surface Gravity Image converters Equations Geodesy Modems Ellipsoids Land surface
Content Type	Text
Resource Type	Article

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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
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