DOI: https://doi.org/10.5069/G9V1231G
OT Collection ID: OT.122024.32604.1
OT Collection Name: Mapping the Koyukuk River System, AK 2022
Short Name: AK22_Lamb
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.122024.32604.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.122024.32604.1

	2. Raster
		opentopoID: OTSDEM.122024.32604.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.122024.32604.1


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Collection Overview: This lidar dataset was collected by NCALM for Michael Lamb at the California Institute of Technology. This dataset was collected to aid mapping of the Koyukuk River system in Huslia, Alaska.

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: Lamb, M. (2024). Mapping the Koyukuk River System, AK 2022. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9V1231G. Accessed: 2024-12-22

Use License: CC BY 4.0

Dataset Keywords: lidar, hydrology, Alaska, Koyukuk

Survey Date: 08/21/2022 - 08/23/2022
Publication Date: 12/06/2024

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Data Provider and Roles:
	1. California Institute of Technology
	Role: Principal Investigator
	Url: Not Available.

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

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


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Total number of points: 3,062,832,995 pts

Area: 280.92 km^2

Point Density: 10.90 pts/m^2

Classifications: 
	Class 1 - Unclassified: 2,746,064,826
	Class 2 - Ground: 316,382,571
	Class 7 - Low Point (low noise): 124,721
	Class 18 - High Noise: 260,877
Coordinates System: 
	Horizontal: WGS 84 (ITRF2014) epoch 2022.64 / UTM Zone 04N [EPSG: 32604]
	Vertical: WGS84 (Ellipsoid)

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/AK22_Lamb_metadata.pdf

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.122024.32604.1

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.122024.32604.1&download=true

Dataset Spatial Bounds:
	North: 65.89298262735946°
	South: 65.64281281409434°
	East: -156.14117184351744°
	West: -156.67204763443132°