The Shuttle Radar Topography Mission (SRTM) DEM has near-global coverage with its 3 arc second resolution (a¼90 m). This research explores the relationships between the SRTM DEM and other DEMs both in the United States and elsewhere. This thesis investigates the magnitude and variance of SRTM DEM error using online reference data Light Detection and Ranging (LiDAR) data for two Louisiana study areas and SRTM X-band (a¼25 m resolution) for a portion of Nang Rong, Thailand. The correlations of slope values and elevation values among LiDAR, National Elevation Dataset (NED), and SRTM DEMs were determined. The average SRTM DEM error was found to be positive for all study areas, which indicates an elevation bias of the SRTM. In comparison to land cover/land use characteristics from the National Land Cover Dataset (NLCD) 2001, forested categories had greater average SRTM DEM error. MODIS tree cover indicated significant differences between a high (ay50 %) and low percent (After the selection of study areas in Thailand and parts of Louisiana (Acadia and Webster study areas), the elevation and slope characteristics of these areas are explored. In addition, the differences across land cover/ land use classes andanbsp;...
|Title||:||The Influence of Land Cover/land Use Characteristics on Shuttle Radar Topography Mission (SRTM) Elevation Error: Case Studies from Louisiana and Thailand|
|Author||:||Tara Louise LaLonde|
|Publisher||:||ProQuest - 2008|