Cle Elum Ridge Forest and Snow Lidar Survey for Pre- and Post-Treatment Analysis
by Lumbrazo, Cassie / DesignSafe Data Depot Repository Harvested Subcollection·Updated 6mo ago
Available on 1 platform
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Description
A 2023 drone-based lidar survey of a mixed-conifer forest on Cle Elum Ridge, Washington, conducted on 6 March 2023 by the Natural Hazards Reconnaissance (RAPID) Facility. The dataset provides high-resolution point clouds at approximately 100 points per square meter, detailing vegetation structure and snow-on surface topography in areas with and without fuel-reduction treatments. It complements a 2021 survey to enable pre- and post-treatment comparisons of forest structure and snowpack.
Use Cases
Validate snow depth and distribution models based on detailed snow-on surface topography data.
Quantify snow-forest interactions based on three-dimensional vegetation structure information.
Assess the hydrologic impact of fuel-reduction treatments based on pre- and post-treatment lidar comparisons.
Support forest and hazard management decision-making based on high-resolution canopy and terrain data.
Strengths
High-resolution point cloud data with an average density of approximately 100 points per square meter.
Enables direct pre- and post-treatment comparison by complementing a 2021 airborne lidar dataset.
Targets both treated and untreated forest stands across north- and south-facing slopes for controlled analysis.
Limitations
Column-level documentation is absent; field semantics must be inferred after download.
Row count and total file size are unknown, which may limit suitability assessment.
The dataset's temporal coverage is limited to a single survey date in March 2023.
Provenance
Source
Natural Hazards Reconnaissance (RAPID) Facility via the NSF NHERI DesignSafe platform.
Collection Method
Drone-based survey using a Freefly Alta X drone equipped with a Phoenix MiniRanger lidar sensor and Leica GS18T GNSS receiver.
Time Range
Survey conducted on 6 March 2023.
Freshness
Last updated 2025-11-13 08:10:07; freshness should be verified.
Geography
Cle Elum Ridge, Washington, USA.
License information is unknown and should be verified before reuse.