DOI: https://doi.org/10.5069/G96T0JK9
OT Collection ID: OT.062018.26911.1
OT Collection Name: Distribution and Legacy of Large Landslides, San Gabriel Mountains, CA 2017
Short Name: CA17_Gentile
Collection Platform: Airborne Lidar

----------------------------------------------------------

Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.062018.26911.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.062018.26911.1

	2. Raster
		opentopoID: OTSDEM.062018.26911.1
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.062018.26911.1


----------------------------------------------------------

Collection Overview: This dataset, located within the San Gabriel Mountain, CA was collected as an NCALM Seed grant for Christopher Gentile, University of California Riverside to investigate spatio-temporal distribution and legacy of large landslides in the San Gabriel Mountains, California. The requested survey area totaled approximately 40 km2 while the area actually surveyed totaled approximately 71.6 km2; coverage by the raster for the region provided below corresponds to the requested area while the point cloud dataset coverage corresponds to the surveyed area.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-1339015.

Dataset Citation: Gentile, C. (2018): Distribution and Legacy of Large Landslides, San Gabriel Mountains, CA 2017 airborne lidar survey. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. https://doi.org/10.5069/G96T0JK9.. Accessed: 2024-12-22

Use License: CC BY 4.0

Dataset Keywords: ncalm, california, landslides, mountains, lidar

Survey Date: 10/13/2017
Publication Date: 06/27/2018

----------------------------------------------------------

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/


----------------------------------------------------------

Total number of points: 291,376,963 pts

Area: 71.6 km^2

Point Density: 4.07 pts/m^2

Classifications: 
	Class 0 - Never classified: 224,515
	Class 1 - Unclassified: 169,076,611
	Class 2 - Ground: 34,774,466
	Class 4 - Medium Vegetation: 87,215,735
	Class 7 - Low Point (low noise): 85,636
Coordinates System: 
	Horizontal: NAD83 (2011) / UTM Zone 11N Meters [EPSG: 26911]
	Vertical: NAVD88 [EPSG: 5703]

Survey Report: https://cloud.sdsc.edu/v1/AUTH_opentopography/www/metadata/CA17_Gentile_Metadata.pdf

LAS Validation Data Report: http://cloud.sdsc.edu/v1/AUTH_opentopography/www/lasReports/CA17_Gentile.html

----------------------------------------------------------

Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.062018.26911.1&download=true

Dataset Spatial Bounds:
	North: 34.3004697351981°
	South: 34.195221034598°
	East: -117.578284729358°
	West: -117.669211883131°