Distribution and Legacy of Large Landslides, San Gabriel Mountains, CA 2017

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DOI: 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
Metadata Download:
  • ISO 19115 (Data)
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    Point Cloud Data       opentopoID: OTLAS.062018.26911.1

    Raster Data       opentopoID: OTSDEM.062018.26911.1
    Collection Overview: NCALM logo This dataset, located within the San Gabriel Mountain, CA was collected as an NCALM Seed grant forChristopher 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.

    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.

    Gentile, C. (2017): Distribution and Legacy of Large Landslides, San Gabriel Mountains, CA 2017 airborne lidar survey. National Center for Airborne Laser Mapping (NCALM), distributed by OpenTopography.

    Dataset Keywords: ncalm, california, landslides, mountains

    Survey Date: 10/13/2017

    Publication Date: 06/27/2018
    Total lidar returns: 291,376,963 pts

    Area: 71.60 km2

    Point Density: 4.07 pts/m2

        Class 0 - Created, never classified224,515
        Class 1 - Unclassified169,076,611
        Class 2 - Ground34,774,466
        Class 4 - Medium Vegetation87,215,735
        Class 7 - Low Point (noise)85,636
    Raster Resolution: 1 meter
    Coordinates System:
        Horizontal: NAD83(2011) / UTM Zone 11N [EPSG: 26911]
        Vertical: NAVD88 [EPSG: 5703]

    Survey Report: CA17_Gentile_Metadata.pdf

    LAS Validation Data Report: CA17_Gentile.html
    Dataset Extent in KMZ format: Download

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