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Levee crest elevation profiles derived from airborne lidar-based high resolution digital elevation models in south Louisiana

ISPRS Journal of Photogrammetry and Remote Sensing

By:
, ,
DOI: http://dx.doi.org/10.1016/j.isprsjprs.2014.02.010

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Abstract

This study explores the feasibility of using airborne lidar surveys to derive high-resolution digital elevation models (DEMs) and develop an automated procedure to extract levee longitudinal elevation profiles for both federal levees in Atchafalaya Basin and local levees in Lafourche Parish. Generally, the use of traditional manual surveying methods to map levees is a costly and time consuming process that typically produces cross-levee profiles every few hundred meters, at best. The purpose of our paper is to describe and test methods for extracting levee crest elevations in an efficient, comprehensive manner using high resolution lidar generated DEMs. In addition, the vertical uncertainty in the elevation data and its effect on the resultant estimate of levee crest heights is addressed in an assessment of whether the federal levees in our study meet the USACE minimum height design criteria.

Geospatial Extents

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Levee crest elevation profiles derived from airborne lidar-based high resolution digital elevation models in south Louisiana
Series title:
ISPRS Journal of Photogrammetry and Remote Sensing
DOI:
http://dx.doi.org/10.1016/j.isprsjprs.2014.02.010
Volume
91
Year Published:
2014
Language:
English
Contributing office(s):
Eastern Geographic Science Center
Description:
13 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
ISPRS Journal of Photogrammetry and Remote Sensing
First page:
114
Last page:
126
Country:
United States
State:
Louisiana