DOI: https://doi.org/10.5069/G9MW2F2H
OT Collection ID: OT.062005.2871.1
OT Collection Name: Northern San Andreas Fault, CA
Short Name: NSAF
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.062005.2871.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.062005.2871.1


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Collection Overview: This page offers access to lidar data acquired along the Northern San Andreas fault and associated marine terraces in coastal Sonoma and Mendocino counties, California. This dataset covers approximately 418 square kilometers and includes approximately 1.2 billion data points. Point density is 1.2 points per square meter. These data were acquired by NASA, in collaboration with the United States Geologic Survey and the Puget Sound Lidar Consortium, with funding provided by NASA's Earth Surface and Interior Focus Area. The data was collected and processed by Terrapoint. The data are in the public domain with no restrictions on their use.

Dataset Acknowledgement: This airborne laser swath mapping data was acquired in support of collaborative research by members of the U.S. Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA), with funding provided by NASA's Earth Surface and Interior Focus Area. The data were acquired and processed by TerraPoint, LLC under contract to NASA's Stennis Space Center. The data are in the public domain with no restrictions on their use.

Dataset Citation: Northern San Andreas Fault, CA. Distributed by OpenTopography. https://doi.org/10.5069/G9MW2F2H . Accessed: 2024-12-22

Use License: Not Provided

Dataset Keywords: San Andreas Fault, Sonoma, Mendocino, California, lidar

Survey Date: 02/01/2003
Publication Date: 06/01/2005

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Data Provider and Roles:
	1. Terrapoint
	Role: Collector
	Url: http://www.ambercore.com/terrapoint.php

	2. National Aeronautics and Space Administration
	Role: Funder
	Url: https://www.nasa.gov/

	3. U.S. Geological Survey
	Role: Partner
	Url: https://www.usgs.gov/

	4. Puget Sound Lidar Consortium
	Role: Partner
	Url: http://pugetsoundlidar.org/


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Total number of points: 1,128,377,290 pts

Area: 767 km^2

Point Density: 1.47 pts/m^2

Classifications: 
	Class 1 - Unclassified: 891,123,806
	Class 2 - Ground: 236,526,566
	Class 6 - Building: 350,024
	Class 7 - Low Point (low noise): 376,894
Coordinates System: 
	Horizontal: California State Plane Zone II US Survey Feet [EPSG: 2871]
	Vertical: NAVD88

Survey Report: https://cloud.sdsc.edu/v1/AUTH_opentopography/www/metadata/NSAF_Rainier_LiDAR_metadata.pdf

LAS Validation Data Report: http://cloud.sdsc.edu/v1/AUTH_opentopography/www/lasReports/NSAF.html

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.062005.2871.1&download=true

Dataset Spatial Bounds:
	North: 39.333166°
	South: 38.493632°
	East: -123.198427°
	West: -123.813467°