Characterizing Alluvial Channel Bank Erosion with Lidar, TX 2023

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DOI: https://doi.org/10.5069/G9DZ06JZ
OT Collection ID: OT.072024.6344.1
OT Collection Name: Characterizing Alluvial Channel Bank Erosion with Lidar, TX 2023
Short Name: TX23_Nelson
Collection Platform: Airborne Lidar
Download and Access Products:
Point Cloud DataBulk DownloadopentopoID: OTLAS.072024.6344.1
Raster DataBulk DownloadopentopoID: OTSDEM.072024.6344.1
Collection Overview: NCALM logo This lidar dataset was collected as part of an NCALM Seed grant for Mariel Nelson at the University of Texas at Austin. This dataset was collected to help characterize alluvial channel bank erosion with time-lapse airborne and UAV lidar. The dataset was collected northeast of Houston, TX, over the Trinity River.

Dataset Acknowledgement: Lidar data acquisition and processing completed by the National Center for Airborne Laser Mapping (NCALM). NCALM funding provided by NSF's Division of Earth Sciences, Instrumentation and Facilities Program. EAR-1830734

Dataset Citation: Nelson, M. (2024). Characterizing Alluvial Channel Bank Erosion with Lidar, TX 2023. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9DZ06JZ. Accessed: 2024-12-10       Copied to Clipboard

Use License: CC BY 4.0

Dataset Keywords: lidar, Trinity, topography, geomorphology, hydrology, UAV

Survey Date: 09/19/2023

Publication Date: 07/30/2024
Data Provider and Roles:
Funder Collector Principal Investigator
  • Mariel Nelson - University of Texas at Austin
Total number of points: 2,486,979,776 pts

Area: 50.42 km2

Point Density: 49.33 pts/m2

Classifications:
Class 1 - Unclassified2,275,092,256
Class 2 - Ground211,857,217
Class 7 - Low Point (low noise)352
Class 18 - High Noise29,951

Raster Resolution: 0.5 meter

Coordinate System:
Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 15N Meters [EPSG: 6344]
Vertical: NAVD88 (GEOID 18) [EPSG: 5703]

Units: meter

Survey Report: Reports

LAS Validation Data Report: Reports
Tile index in shapefile format: Download

Dataset Extent in GeoJSON format:
Point Cloud: TX23_Nelson.geojson
Raster: TX23_Nelson.geojson

Dataset Spatial Bounds: North: 30.192645729425937°     South: 30.060041212762147°     East: -94.7845936024764°     West: -94.83968004478147°