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TW Daniels Experimental Forest (TWDEF) Lidar

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Type: Resource
Storage: The size of this resource is 5.4 GB
Created: Nov 17, 2016 at 9:11 p.m.
Last updated: Nov 30, 2016 at 6:53 p.m.
DOI: 10.4211/hs.36f3314971a547bc8bc72dc60d6bd03c
Citation: See how to cite this resource
Sharing Status: Published
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This resource contains lidar data, collected at the TW Daniels Experimental Forest (TWDEF) on six separate flights in 2008 and 2009 measuring surface and canopy properties during snow-on and snow-off conditions. It was collected for the purposes of obtaining a digital elevation model (DEM) to characterize the area for snowmelt modeling, and by differencing between snow-on and snow-off observations to characterize the spatial distribution of snow depth. Canopy lidar returns also characterize the vegetation. The data was collected by the Utah State University (USU) Lidar-Assisted Stereo Imaging (LASSI) laboratory. The data was initially processed at USU shortly after collection and additionally processed by the Space Dynamics Laboratory (SDL) in support of iUtah lidar efforts in 2016.

The metadata report (sdl16-1363-.pdf) gives details about the hardware used for data collection, the flight plans and resulting data, the data processing steps, and a brief error analysis.

Zip files are named by the collection date and contain:
- Terra Scan Binary Files
- LAS Files (one for each flight line and the combined file)
- KML Files (one for each flight line)
- ASC DEM file (1 m resolution)
- PNG Hillshade file
A complete list can be found on pp. 17-22 of the metadata report.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
T W Daniel Experimental Forest


Start Date:
End Date:



Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
USDA-CREES Utah drought management project 2008-34552-19042
National Science Foundation iUTAH-innovative Urban Transitions and Aridregion Hydro-sustainability IIA 1208732


People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Scott B. Jones Utah State University
Keith Blonquist Space Dynamics Laboratory
Robert T. Pack Utah State University
LASSI Service Center Utah State University
Jobie Carlisle Utah State University

How to Cite

Teich, M., D. G. Tarboton (2016). TW Daniels Experimental Forest (TWDEF) Lidar, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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