Characterizing Forest Structure Changes and Effects on Snowpack, AZ 2017

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OT Collection ID: OT.062018.26912.1
OT Collection Name: Characterizing Forest Structure Changes and Effects on Snowpack, AZ 2017
Short Name: AZ17_Donager
Collection Platform: Airborne Lidar
Metadata Download:
  • ISO 19115 (Data)
  • Plain Text
  • Download and Access Products:

    Point Cloud Data   Bulk Download     opentopoID: OTLAS.062018.26912.1

    Raster Data   Bulk Download     opentopoID: OTSDEM.062018.26912.1
    Collection Overview: NCALM logo This dataset, located near Flagstaff, AZ, was collected as an NCALM Seed grant for Jonathon Donager, Northern Arizona University, School of Earth Sciences & Environmental Sustainability to support an investigation of leveraging terrestrial laser scanning and structure from motion data for characterizing forest structure changes and the effects on snowpack accumulation and persistence. The requested survey area is located approximately 8 km west and north of Flagstaff, AZ within the Coconino National Forest. The polygon encloses approximately 89.7 km2.

    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: Donager, J. (2018): Characterizing Forest Structure Changes and Effects on Snowpack Accumulation & Persistence, AZ 2017. National Center for Airborne Laser Mapping (NCALM). Distributed by OpenTopography. Accessed: 2023-03-27

    Use License: CC BY 4.0

    Dataset Keywords: ncalm, arizona, forest structure, snowpack accumulation, lidar

    Survey Date: 10/16/2017

    Publication Date: 06/27/2018
    Total number of points: 613,760,144 pts

    Area: 89.7 km2

    Point Density: 6.84 pts/m2

        Class 1 - Unclassified231,334,384
        Class 2 - Ground382,365,425
        Class 7 - Low Point (low noise)355
        Class 18 - High Noise59,980

    Raster Resolution: 0.5 meter

    Coordinate System:
        Horizontal: NAD83 (2011) UTM Zone 12N [EPSG: 26912]
        Vertical: Ellipsoid

    Units: meter

    Survey Report: AZ17_Donager_Metadata.pdf

    LAS Validation Data Report: AZ17_Donager.html
    Tile index in shapefile format: Download

    Dataset Extent in KMZ format: Download

    Dataset Spatial Bounds: North: 35.3147260099907°     South: 35.1260745408984°     East: -111.648282182346°     West: -111.78160499844°