Illilouette Creek Basin Lidar Survey, Yosemite Valley, CA 2018

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OT Collection ID: OT.042021.6340.1
OT Collection Name: Illilouette Creek Basin Lidar Survey, Yosemite Valley, CA 2018
Short Name: CA18_Thompson
Collection Platform: Airborne Lidar
Download and Access Products:

Point Cloud Data   Bulk Download     opentopoID: OTLAS.042021.6340.1

Raster Data   Bulk Download     opentopoID: OTSDEM.042021.6340.1
Collection Overview: NCALM logo This lidar dataset was collected by NCALM for Sally Thompson at the University of California, Berkeley. This study aims to assess the occurrence and characteristics of post-fire erosion gullies caused by the Empire Fire in Illilouette Creek Basin, California. The study area covers approximately 74 km2 in Yosemite National Park, California.

Publications associated with this dataset can be found at NCALM's Data Tracking Center

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: Thompson, S. (2021). Illilouette Creek Basin Lidar Survey, Yosemite Valley, CA 2018. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. Accessed: 2024-06-23       Copied to Clipboard

Use License: CC BY 4.0

Dataset Keywords: lidar, yosemite, california, wildfire, post-fire, erosion

Survey Date: 09/21/2018 - 09/23/2018

Publication Date: 04/13/2021
Data Provider and Roles:
Funder Collector Principal Investigator
  • Sally Thompson - University of California, Berkeley
Total number of points: 1,586,845,171 pts

Area: 75.68 km2

Point Density: 20.97 pts/m2

Class 0 - Never classified41,421,825
Class 1 - Unclassified395,184,231
Class 2 - Ground229,696,464
Class 3 - Low Vegetation459,167,252
Class 4 - Medium Vegetation116,240,307
Class 5 - High Vegetation340,981,637
Class 18 - High Noise4,153,455

Raster Resolution: 0.5 meter

Coordinate System:
Horizontal: NAD83 (2011) / UTM Zone 11N Meters [EPSG: 6340]
Vertical: Ellipsoid

Units: meter

Survey Report: Reports

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

Dataset Extent in GeoJSON format:
Point Cloud: CA18_Thompson.geojson
Raster: CA18_Thompson.geojson

Dataset Spatial Bounds: North: 37.7256725940202°     South: 37.6208635262523°     East: -119.512101890976°     West: -119.632348120143°