Impact of North American Datum of 1983
Publication: Journal of Surveying Engineering
Volume 112, Issue 1
Abstract
The new adjustment of the North American Datum of 1983 (NAD 83) is now in its 10th year. To understand the necessity for the new adjustment, a review of the problems encountered with the existing NAD 27 network must be examined. The status of the project is important to the users of geodetic control data because they must begin to plan for the transition from NAD 27 to NAD 83. The problems of the transition are understood, and the National Geodetic Survey (NGS) is already developing information to assist users in adapting to the changes. These changes will involve new coordinate values and a new coordinate system which will affect all levels of control surveying and mapping, including the U.S. Geological Survey's topographic map series.
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References
1.
McKay, E. J., and Vogel, S. A., “The North American Datum of 1983, Necessity, Status, and Impact,” presented at the Fall Meeting of the American Congress on Surveying and Mapping, San Antonio, Tex., Sept. 10–14, 1984.
2.
National Academy of Sciences, North American Datum, National Geodetic Information Center, NOAA, Rockville, Md., 1971.
3.
National Geodetic Survey, “Policy Statement on Datum Transformations,” National Oceanic and Atmospheric Admin., U.S. Dept. of Commerce, Rockville, Md., May 3, 1983.
4.
National Geodetic Survey, Cooperative Geodetic Services, National Oceanic and Atmospheric Administration, U.S. Dept. of Commerce, Rockville, Md., Apr., 1978.
5.
Pfeifer, L., Input Formats and Specifications of the National Geodetic Survey Data Base, Vol. I: Horizontal Control Data, Federal Geodetic Control Committee, National Geodetic Information Center, NOAA, Rockville, Md., 1980.
6.
Wade, E. B., “The Status of the North American Datum Project,” Technical Papers of the 44th Annual Meeting of the American Congress on Surveying and Mapping, Washington, D.C., Mar. 11–16, 1984, pp. 567–574.
7.
Wade, E. B., Vorhauer, M. L., “The Alaska Test of the Helmert Blocking Phase of the North American Datum Project,” Technical Papers of the 45th Annual Meeting of the American Congress on Surveying and Mapping, Washington, D.C., Mar. 10–15, 1985, pp. 383–392.
8.
American Congress on Surveying and Mapping, The North American Datum of 1983, American Association for Geodetic Surveying Monograph No. 2, American Congress on Surveying and Mapping, 1983, p. 49.
Information & Authors
Information
Published In
Journal of Surveying Engineering
Volume 112 • Issue 1 • June 1986
Pages: 49 - 62
Copyright
Copyright © 1986 ASCE.
History
Published online: Jun 1, 1986
Published in print: Jun 1986
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