DOI: https://doi.org/10.5069/G9GF0RRQ
OT Collection ID: OT.022026.6341.1
OT Collection Name: Lithologic Controls on Slot Canyon Formation, AZ 2025
Short Name: AZ25_Fong
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.022026.6341.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.022026.6341.1

	2. Raster
		opentopoID: OTSDEM.022026.6341.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.022026.6341.1


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Collection Overview: This lidar dataset was collected as part of an NCALM Seed grant for Brandon Fong at Pennsylvania State University and Michael Robinson at the University of Nevada, Reno.  This dataset was acquired to help characterize slot canyon formation and morphology over large spatial scales.  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: Fong, B., Robinson, M. (2026). Lithologic Controls on Slot Canyon Formation, AZ 2025. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9GF0RRQ. Accessed 2026-02-25

Use License: CC BY 4.0

Dataset Keywords: slot canyon, hydrology, lidar, geomorphology

Survey Date: 08/12/2025
Publication Date: 02/21/2026

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Data Provider and Roles:
	1. Pennsylvania State University
	Role: Principal Investigator
	Url: Not Available.

	2. University of Nevada, Reno
	Role: Principal Investigator
	Url: Not Available.

	3. National Center for Airborne Laser Mapping
	Role: Collector
	Url: https://ncalm.cive.uh.edu/

	4. National Science Foundation
	Role: Funder
	Url: https://nsf.gov/


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Total Number of Points: 1,404,830,740 pts

Area: 39.48 km^2

Point Density: 35.58 pts/m^2

Classifications: 
	Class 1 - Unclassified: 552,276,534
	Class 2 - Ground: 771,043,792
	Class 7 - Low Point (low noise): 18,387
	Class 18 - High Noise: 31,857
	Class 100 - User Definable: 81,460,170
Coordinates System: 
	Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 12N Meters [EPSG: 6341]
	Vertical: NAVD88 (GEOID 18) [EPSG: 5703]

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/AZ25_Fong_metadata.pdf

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.022026.6341.1

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Dataset Boundary in GeoJSON Format: 
	Point Cloud: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Point_Cloud_Lidar/AZ25_Fong.geojson
	Raster: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Raster/AZ25_Fong.geojson

Dataset Extent (Bounding Box):
	North: 34.976241°
	South: 34.894319°
	East: -110.639788°
	West: -110.745441°