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Accuracy Analysis of a LiDAR Digital Elevation Model

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Item Summary

Title: Accuracy Analysis of a LiDAR Digital Elevation Model
Authors: Paulo, Julius Ray S.
Advisor: Wingert, Everett
Keywords: DEMs
digital elevation models
LiDAR
GIS
geographic information system
Issue Date: May 2016
Publisher: [Honolulu] : [University of Hawaii at Manoa], [May 2016]
Abstract: The study concluded that although DEMs with higher resolution usually delineate inundation zones significantly better than coarser DEMs, terrain representation accuracy also plays an important factor in the analysis. Therefore, the best models to use are those of high resolution with good accuracy. Modern technology along with the 3D Elevation Program has brought means of acquiring high resolution data by utilizing lidar equipment. DEMs created from lidar data are capable of possessing horizontal resolutions of two meters or less, and are fine enough to differentiate features such as individual properties and buildings (Cooper et al. 2013). Substituting lidar DEMs for scientific studies such as the one described above will undoubtedly yield better and more accurate results. However, lidar DEMs are just as susceptible to errors as coarser DEMs, and should be used with caution until a reliable accuracy analysis has been conducted. This thesis aims to provide a methodology to conduct such an analysis, specifically on a lidar digital elevation model of southeastern Oahu produced in 2009.
Description: MA University of Hawaii at Manoa 2016
Includes bibliographical references (leaves 117–119).
Pages/Duration: x, 119 leaves
URI/DOI: http://hdl.handle.net/10125/51294
Rights: All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections:M.A. - Geography


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