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Postfire Airborne LiDAR Point Cloud and Terrain Models for the Bolt Creek Fire, Washington (NSF RAPID)

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Type:	Resource
Storage:	The size of this resource is 1.6 GB
Created:	Feb 27, 2026 at 2:12 a.m. (UTC)
Last updated:	Feb 27, 2026 at 7:59 a.m. (UTC)
Citation:	See how to cite this resource
Content types:	Single File Content Geographic Raster Content

Sharing Status:	Public
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Abstract

The Bolt Creek Fire started on September 10, 2022 and has burned ~14,600 acres of steep forested land within the North Cascade Range in northwestern Washington State (confluence of the Beckler and South Fork Skykomish rivers). Nearly 90% of the burned area has local slopes greater than 15 degrees, which is an approximate lower limit for saturated landslide initiation in cohesion-less soils. Most of the steep upland slopes (generally >30 degrees) and moderately steep mid-slopes (15 - 30 degrees) bear high and moderate soil burn severity levels. Several landslides were reported in the region in the winter of 2025. This resource publishes raw airborne LiDAR point clouds from surveys conducted in 2022, 2024, and 2025, and digital surface models (DSM) and bare earth DTMs obtained from airborne LiDAR. The resource are organized in folders that contain the original (raw) point cloud, filtered point cloud products, spatial boundaries, and multiple raster surfaces derived from the Lidar, including digital surface models (DSM), digital terrain models (DTM), a USGS reference DEM used for coregistration, and a DEM difference product for each LiDAR survey block. These include a composite data for a large downstream portion of Eagle Creek, two post landslide surveys, and a clearcut region where fire first started. The data provide evidence for post-fire geomorphic response in the cool and wet western slopes of the Cascades.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Bolt Creek Fire Lidar Coverage

North Latitude

47.7804°

East Longitude

-121.3346°

South Latitude

47.7438°

West Longitude

-121.3892°

Temporal

Start Date:
End Date:

Content

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Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
U.S. National Science Foundation	RAPID: Monitoring postfire geomorphic response on humid slopes	NSF 2303870

Contributors

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
NSF RAPID Facility	University of Washington	3760 E Stevens Way NE, Seattle, WA 98195

How to Cite

Jimenez, H., Istanbulluoglu, E., Mehedi, M. A. A. (2026). Postfire Airborne LiDAR Point Cloud and Terrain Models for the Bolt Creek Fire, Washington (NSF RAPID), HydroShare, http://www.hydroshare.org/resource/1bea93724c8f4fec9e6b0e0d8cb974fa

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

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