Yosemite, CA: El Portal, Mariposa Grove, Yosemite Canyon & Tuolumne Meadows

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Overview

The survey area consists of five polygons totaling an area of 131 square kilometers covering portions of Yosemite National Park, California. The area of interest includes Yosemite Canyon, El Portal, Mariposa Grove and Tuolumne Meadows. hese data were collected by the National Center for Airborne Laser Mapping (NCALM) on behalf of Greg Stock of the National Parks Service


Publications associated with this dataset can be found at NCALM's Data Tracking Center

Platform: Airborne Lidar
Survey Area: 131 km2
Point Density: 2.59 pts/m2
Survey Date: 09/18/2006 - 09/22/2006
Full Metadata
Data Citation     Copied
Use License: CC BY 4.0
Funder: NSF     Collector: NCALM

Other Available Data Products: Google Earth Imagery FilePoint Cloud Bulk Download
1a. Select area of data to download or process  
  Usage Heat Map
 

1. Coordinates & Classification

Horizontal Coordinates: NAD83 (CORS) / UTM Zone 11N Meters [EPSG: 26911]
Vertical Coordinates: NAVD88 (GEOID 03) [EPSG: 5703]
Units: meter
Data Selection Coordinates (Select an area on map)
  Manually enter selection coordinates (in the horizontal coordinate system listed above)  

  Choose Return Classification    
  Ground        
  Unclassified        

2. Point Cloud Data Download

     Point cloud data in LAZ format
    Point cloud data in LAS format
     Point cloud data in ASCII format

3A. Custom DEM Generation (TIN)  

    Calculate TIN
Gridding Parameters
  Grid Resolution (Default = 1 meter)
  Max. triangle size (Default 50 units)
  Grid Format

3B. Custom DEM Generation (Local Gridding)  

Gridding Method
     Calculate Zmin grid
     Calculate Zmax grid
     Calculate Zmean grid
     Calculate Zidw grid
     Calculate standard deviation
     Calculate point count

4. Raster Visualization  

Visualization type:
    Hillshade
    Color-relief
    Color hillshade
    Slope
    Aspect
    Roughness

5. 3D Point Cloud Visualization  

  Generate 3D point cloud browser visualization

6. Contour Lines  

Job Description & Notification

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Data Citation     |     Use License: CC BY 4.0