DOI: https://doi.org/10.5069/G9FN14B1
OT Collection ID: OT.042020.6339.2
OT Collection Name: High Resolution Topography near Santa Cruz, CA 2017
Short Name: CA17_Duvall
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.042020.6339.2
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.042020.6339.2

	2. Raster
		opentopoID: OTSDEM.042020.6339.2
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.042020.6339.2


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Collection Overview: This lidar dataset was collected by the National Center for Airborne Laser Mapping (NCALM) for Alison Duvall at the University of Washington. The survey area consists of a single polygon located Northwest of Watsonville, California . The survey area covers approximately 45 km2 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-1830734

Dataset Citation: Duvall, A. (2020). High Resolution Topography near Santa Cruz, CA 2017. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9FN14B1.. Accessed: 2024-12-21

Use License: CC BY 4.0

Dataset Keywords: lidar, california, ncalm, high resolution, topography

Survey Date: 10/12/2017 - 10/14/2017
Publication Date: 04/21/2020

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Data Provider and Roles:
	1. University of Washington
	Role: Principal Investigator
	Url: Not Available.

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


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Total number of points: 2,167,891,432 pts

Area: 44.45 km^2

Point Density: 48.77 pts/m^2

Classifications: 
	Class 1 - Unclassified: 2,109,338,181
	Class 2 - Ground: 58,536,255
	Class 7 - Low Point (low noise): 16,996
Coordinates System: 
	Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 10N Meters [EPSG: 6339]
	Vertical: NAVD88 (GEOID 12B) [EPSG: 5703]

Survey Report: https://cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/CA17_Duvall_metadata.zip

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.042020.6339.2

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.042020.6339.2&download=true

Dataset Spatial Bounds:
	North: 37.0942686691913°
	South: 37.0137380812395°
	East: -121.830679053245°
	West: -121.936816732064°