DOI: https://doi.org/10.5069/G9CR5R8H
OT Collection ID: OT.112012.26910.1
OT Collection Name: Golden Gate National Recreation Area and Mt. Tamalpais State Park, CA
Short Name: CA06_Dietrich
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.112012.26910.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.112012.26910.1

	2. Raster
		opentopoID: OTSDEM.112012.26910.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.112012.26910.1

	3. Google Earth Image Overlays
		opentopoID: OTGE.112012.26910.1
		Download: https://portal.opentopography.orghttps://cloud.sdsc.edu/v1/AUTH_opentopography/www/files/GoldenGate_CA.kml


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Collection Overview: PI: William Dietrich, University of California, Berkeley The project area consists of two polygons totally approximately 28 square kilometers located 10 kilometers northwest of the north end of the Golden Gate Bridge, San Francisco, CA. The project area was flown on Thursday, December 7, 2006.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 - https://ncalm.cive.uh.edu). NCALM funding provided by NSF's Division of Earth Sciences, Instrumentation and Facilities Program. EAR-1043051.

Dataset Citation: Golden Gate National Recreation Area and Mt. Tamalpais State Park, CA. Distributed by OpenTopography. https://doi.org/10.5069/G9CR5R8H . Accessed: 2024-12-22

Use License: CC BY 4.0

Dataset Keywords: lidar

Survey Date: 12/07/2006
Publication Date: 01/09/2013

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Data Provider and Roles:
	1. National Center for Airborne Laser Mapping
	Role: Collector
	Url: https://ncalm.cive.uh.edu/

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


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Total number of points: 55,981,832 pts

Area: 28 km^2

Point Density: 2.00 pts/m^2

Classifications: 
	Class 1 - Unclassified: 41,466,436
	Class 2 - Ground: 14,515,396
Coordinates System: 
	Horizontal: NAD83 (CORS96) / UTM Zone 10N Meters [EPSG: 26910]
	Vertical: NAVD88 (GEOID 03) [EPSG: 5703]

Survey Report: https://cloud.sdsc.edu/v1/AUTH_opentopography/www/metadata/NCALM/Dietrich_SanFrancisco2007.pdf

LAS Validation Data Report: http://cloud.sdsc.edu/v1/AUTH_opentopography/www/lasReports/CA06_Dietrich.html

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.112012.26910.1&download=true

Dataset Spatial Bounds:
	North: 37.9126354127631°
	South: 37.8371928501466°
	East: -122.515218677967°
	West: -122.621341302135°