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New NCALM dataset in Tahoe National Forest available

Sep 24, 2021

A new lidar dataset covering approximately 62 km2 within Tahoe National Forest near Truckee, California is now available on OpenTopography. This lidar dataset was collected as part of a National Center for Airborne Laser Mapping (NCALM) Seed grant for Louis Graup at the University of California, Santa Barbara. This study used airborne lidar to study how to preserve mountains as "water towers" through forest management.

OpenTopography expands 3DEP data access to international academics, K-12 teachers, and informal educators

Sep 17, 2021

OpenTopography is happy to extend access to USGS 3D Elevation Program (3DEP) data (point clouds and 1m raster data) via our portal to international academics, K-12 teachers, and informal educators via a formal application process described here. Successful applicants will be able to seamlessly discover, download, and process the 3DEP dataset via the standard OpenTopography interface.

New SfM data over the Southern San Andreas Fault, CA

Sep 10, 2021

OpenTopography is pleased to release a new structure from motion (SfM) photogrammetry dataset that covers ~40 km of the Coachella section of the Southern San Andreas Fault. The data extend from north of Painted Canyon south to Bombay Beach, California, USA and include a well-georeferenced point cloud (8.4 x 109 points), 10 cm DSM, and 4 cm orthomosaic.

Three new NCALM datasets from California and Oregon available on OpenTopography

Sep 8, 2021

Three new lidar datasets collected by the National Center for Airborne Laser Mapping (NCALM) in California and Oregon are now available on OpenTopography. A repeat lidar dataset of Antelope Valley, CA covering approximately 24 km2 was collected by NCALM for Dr. William Dietrich at the University of California, Berkeley. The data were collected over Antelope Valley Ranch, ~60 km west of Yuba City, CA. Previous mapping of this area was completed in 2017, details of which can be found here.

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