Sunday, April 15, 2018

Grids & Datums: Elevations in South Louisiana

Abstract: During the summer of 2006, the U.S. Army Corps of Engineers – New Orleans District asked me to write answers for some Frequently Asked Questions (FAQs) for their Engineering Staff. These answers are specifically targeted toward the problem of using elevations in a rapidly-subsiding region that had been devastated by the Katrina and Rita hurricanes of 2005. Rebuilding efforts are directly dependent on an understanding of the inherent problems in the reliable determination of current elevations referenced to our National Geodetic Vertical Datum of 1988 (NAVD88) for South Louisiana. The U.S. Army Corps of Engineers – New Orleans District covers an area that is approximately the southern half of the state, from the City of Alexandria, Louisiana south to the coast, and from the Mississippi State Line to the Texas State Line.

Citation: Mugnier, C.J. (2006) “Grids & Datums: Elevations in South Louisiana” Photogrammetric
Engineering & Remote Sensing, September 2006, p 1001-1004.

URL: http://www.asprs.org/a/resources/grids/09-2006-louisiana.pdf

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