Mapping Rock Glaciers in the San Juan Mountains, CO 2025
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DOI: https://doi.org/10.5069/G9348HMJ
OT Collection ID: OT.022026.6342.1
OT Collection Name: Mapping Rock Glaciers in the San Juan Mountains, CO 2025
Short Name: CO25_Ruef
Collection Platform: Airborne Lidar
OT Collection ID: OT.022026.6342.1
OT Collection Name: Mapping Rock Glaciers in the San Juan Mountains, CO 2025
Short Name: CO25_Ruef
Collection Platform: Airborne Lidar
Download and Access Products:
| Point Cloud Data | opentopoID: OTLAS.022026.6342.1 | ||
| Raster Data | opentopoID: OTSDEM.022026.6342.1 |
Collection Overview:
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-2324629
Dataset Citation: Ruef, J. (2026). Mapping Rock Glaciers in the San Juan Mountains, CO 2025. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9348HMJ. Accessed 2026-03-03 Copied to Clipboard
Use License: CC BY 4.0
Dataset Keywords: glacier, lidar, geomorphology, glaciology, San Juan
Survey Date: 08/13/2025
Publication Date: 02/27/2026
This lidar dataset was collected as part of an NCALM Seed grant for Juliana Ruef at the University of Colorado, Boulder. This dataset was collected to help monitor rock glacier motion and dynamics in the San Juan Mountains in Colorado.
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-2324629
Dataset Citation: Ruef, J. (2026). Mapping Rock Glaciers in the San Juan Mountains, CO 2025. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9348HMJ. Accessed 2026-03-03 Copied to Clipboard
Use License: CC BY 4.0
Dataset Keywords: glacier, lidar, geomorphology, glaciology, San Juan
Survey Date: 08/13/2025
Publication Date: 02/27/2026
Data Provider and Roles:
Funder Collector Principal Investigator
Funder Collector Principal Investigator
- Juliana Ruef - University of Colorado, Boulder
Total Number of Points:
545,838,048 pts
Area: 67.16 km2
Point Density: 8.13 pts/m2
Classifications:
Raster Resolution: 1.0 meter
Coordinate System:
Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 13N Meters [EPSG: 6342]
Vertical: NAVD88 (GEOID 18) [EPSG: 5703]
Units: meter
Survey Report: Reports
LAS Validation Data Report: Reports
Area: 67.16 km2
Point Density: 8.13 pts/m2
Classifications:
| Class 1 - Unclassified | 78,166,268 |
| Class 2 - Ground | 467,663,709 |
| Class 7 - Low Point (low noise) | 4,077 |
| Class 18 - High Noise | 3,994 |
Raster Resolution: 1.0 meter
Coordinate System:
Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 13N Meters [EPSG: 6342]
Vertical: NAVD88 (GEOID 18) [EPSG: 5703]
Units: meter
Survey Report: Reports
LAS Validation Data Report: Reports
Tile Index in Shapefile Format:
Download
Dataset Boundary in GeoJSON Format:
Point Cloud: CO25_Ruef.geojson
Raster: CO25_Ruef.geojson
Dataset Extent (Bounding Box): North: 37.992307° South: 37.891675° East: -107.660992° West: -107.789615°
Dataset Boundary in GeoJSON Format:
Point Cloud: CO25_Ruef.geojson
Raster: CO25_Ruef.geojson
Dataset Extent (Bounding Box): North: 37.992307° South: 37.891675° East: -107.660992° West: -107.789615°