[unav_all] New EarthScope LiDAR data: California and Washington state

David A. Phillips phillips at unavco.org
Wed Jan 13 16:37:29 MST 2010


We are pleased to announce the availability of new EarthScope airborne  
LiDAR data products from California and Washington state!

With this release, DEM tiles and KML files from all southern and  
eastern California targets are now available.  This includes imagery  
of faults in the Mojave (Lenwood, Helendale, Calico, Blackwater),  
eastern California (Panamint, Tin Mtn, Mud Hills, Hunter Mtn, Owens)  
and San Cayetano.  Of these new targets, point cloud data are  
currently online for Panamint, Ash Hill, Tin Mtn and San Cayetano,  
with point data for all remaining targets to follow shortly.

Also with this release, KML files and point cloud data from the Yakima  
fold and thrust belt in Washington are now available.  DEM tiles will  
follow shortly.

EarthScope LiDAR data are freely available from the OpenTopography  
portal at http://opentopography.org in the following formats:

Google Earth hillshades:  The easiest way to explore this dataset,  
users can view filtered ("bare earth") and unfiltered hillshade images  
within Google Earth from two different illumination angles.   The  
Google Earth KMZ for the Alaska dataset features a new "slopeshade"  
illumination layer which provides an alternative visualization of the  
high relief landscapes in this region.  The hillshade KMZ file is  
available for downloaded at http://opentopography.org/kml

Standard DEM tiles:  For more advanced applications, filtered ("bare  
earth," fg*) and unfiltered (ug*) 0.5 m resolution digital elevation  
models in Arc Binary grid format are also available for download as 1  
km^2 tiles.  Users can browse and download the available data via an  
interactive map available at http://opentopography.org/dems

OpenTopography also provides access to raw point cloud data and and  
web-based tools to process these data into custom DEM products:http://www.opentopography.org/pointcloud

Best regards,
David Phillips and the EarthScope LiDAR team

---

ACKNOWLEDGEMENTS:

Funding agency
- National Science Foundation

Project management
- UNAVCO

Data acquisition, processing and distribution
- National Center for Airborne Laser Mapping (NCALM): LiDAR data  
collection and processing
- Ohio State University (OSU): GPS data collection and processing
- Arizona State University (ASU): data distribution and analysis tools
- San Diego Supercomputer Center (SDSC): data distribution and  
analysis tools

---

   Dr. David A. Phillips
   Geodetic Imaging Project Manager
   UNAVCO
   6350 Nautilus Drive, Boulder, CO 80301
   Tel: 303-381-7471, Fax: 303-381-7451
   phillips at unavco.org
   www.unavco.org





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