DOI: https://doi.org/10.5069/G9SQ8XJP
OT Collection ID: OT.102019.6339.1
OT Collection Name: Alteration of Groundwater Flow due to Slow Landslide Failure, CA
Short Name: CA19_Murphy
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.102019.6339.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.102019.6339.1

	2. Raster
		opentopoID: OTSDEM.102019.6339.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.102019.6339.1


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Collection Overview: This lidar dataset was collected as part of an NCALM Seed grant for Colleen Murphy at the University of California, Santa Cruz. This project was designed to understand the alteration of groundwater flow due to slow landslide failures. The survey area covers approximately 38 km2 east of Milpitas, CA.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: Murphy, C. (2019). Alteration of Groundwater Flow due to Slow Landslide Failure, CA. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G9SQ8XJP.. Accessed: 2024-04-20

Use License: CC BY 4.0

Dataset Keywords: lidar, california, groundwater, landslide

Survey Date: 09/21/2018 - 09/22/2018
Publication Date: 10/23/2019

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Data Provider and Roles:
	1. University of California, Santa Cruz
	Role: Principal Investigator
	Url: Not Available.

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

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


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Total number of points: 659,768,327 pts

Area: 37.78 km^2

Point Density: 17.46 pts/m^2

Classifications: 
	Class 1 - Unclassified: 411,039,596
	Class 2 - Ground: 248,727,406
	Class 7 - Low Point (low noise): 1,325
Coordinates System: 
	Horizontal: NAD83 (2011) (EPOCH:2010) / UTM Zone 10N Meters [EPSG: 6339]
	Vertical: NAVD88 [EPSG: 5703]

Survey Report: https://cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/CA19_Murphy_metadata.pdf

LAS Validation Data Report: http://cloud.sdsc.edu/v1/AUTH_opentopography/www/lasReports/CA19_Murphy.html

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.102019.6339.1&download=true

Dataset Spatial Bounds:
	North: 37.5300476782046°
	South: 37.4265765524366°
	East: -121.726583556281°
	West: -121.770011856093°