News

New NCALM dataset along coast of Lake Michigan, Wisconsin

Oct 11, 2021

A new lidar dataset covering 84 km² along the coast of Lake Michigan east of Milwaukee, Wisconsin is now available on OpenTopography. This lidar dataset was collected as part of a National Center for Airborne Laser Mapping (NCALM) seed grant for Collin Roland at the University of Wisconsin and includes bathymetry. This study used airborne lidar to assess Lake Michigan coastal erosion by measuring the geomorphic response to extremely high lake levels.

OpenTopography on the MapScaping Podcast

Oct 6, 2021

A couple weeks ago OpenTopography co-founder and co-PI Christopher Crosby was invited onto the MapScaping Podcast to talk about the history and future of OpenTopography, and building and maintaining infrastructure for open topographic data. A huge thanks to Daniel O'Donohue for the invitation and for guiding an interesting conversation.

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

Access lidar via an OT+ subscription (for non-academic users).
This subscription provides access to lidar topography covering most of the US mainland, Hawaii, and territories as well as satellite data over the Arctic and Antarctic. This includes access to the USGS 3D Elevation Program (3DEP) and NOAA Coastal Lidar.

LINZ dataset covering Abel Tasman National Park now available

Sep 15, 2021

New contour line generation tool now available

Sep 14, 2021

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.

LINZ dataset covering Marlborough, New Zealand now available

Sep 7, 2021

Digital terrain model and orthophotography of Haiti now available

Sep 2, 2021

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