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Extracting Levee Crest Lines from Lidar-Derived DEMs

Authors: Xiaomin Qiu*, Missouri State University, Derek Wu, Stantec Consulting
Topics: Water Resources and Hydrology, Geographic Information Science and Systems
Keywords: Levee, DEMs
Session Type: Poster
Presentation File: No File Uploaded


This study presents an efficient approach to extract levee crest lines from Lidar-derived high-resolution DEMs. Using existing levee alignments from the National Levee Database as a basis for refinement, we generated a series of levee cross sections and extracted their highest elevation points to derive the levee crest lines.

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