DOI: https://doi.org/10.5069/G92N50G8
OT Collection ID: OT.042024.32606.2
OT Collection Name: Monitoring the Mass Balance of Eklutna Glacier, AK 2023
Short Name: AK23_Brisbois
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.042024.32606.2
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.042024.32606.2

	2. Raster
		opentopoID: OTSDEM.042024.32606.2
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.042024.32606.2


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Collection Overview: This lidar dataset was collected as part of an NCALM Seed grant for Caroline Brisbois at the Institute of Culture & Environment, Alaska Pacific University. This dataset was collected to compare airborne laser swath mapping versus structure from motion photogrammetry for monitoring the geodetic mass balance of the Eklutna Glacier. Lidar surveys were conducted over the Eklutna Glacier, east of Anchorage, 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-1830734

Dataset Citation: Brisbois, C. (2024). Monitoring the Mass Balance of Eklutna Glacier, AK 2023. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G92N50G8. Accessed: 2024-12-22

Use License: CC BY 4.0

Dataset Keywords: lidar, glaciology, mass balance, Alaska, Eklutna

Survey Date: 07/22/2023
Publication Date: 05/07/2024

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Data Provider and Roles:
	1. Alaska Pacific University
	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: 479,658,402 pts

Area: 175.44 km^2

Point Density: 2.73 pts/m^2

Classifications: 
	Class 1 - Unclassified: 23,912,972
	Class 2 - Ground: 446,321,820
	Class 7 - Low Point (low noise): 9,423,610
Coordinates System: 
	Horizontal: WGS 84 (ITRF2014) epoch 2023.5568/ UTM Zone 6N Meters [EPSG: 32606]
	Vertical: Ellipsoid

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/AK23_Brisbois_metadata.pdf

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.042024.32606.2

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.042024.32606.2&download=true

Dataset Spatial Bounds:
	North: 61.28580932836736°
	South: 61.148943334585226°
	East: -148.7403819182563°
	West: -149.10960224360693°