TAG: 3D Elevation Program

Dewberry to update lidar for Puerto Rico and US Virgin Islands after hurricane

June 6, 2018By

The U.S. Geological Survey (USGS) has selected Dewberry, a privately held professional services firm, to collect and process Quality Level 1 topographic lidar data of Puerto Rico, including the islands of Culebra, Vieques and Isla de Mona; and the U.S. Virgin Islands of St. Croix, St. John and St. Thomas. The new data will be used to identify the impact... read more

TCarta delivers surface models for Caribbean disaster recovery

April 17, 2018By
The island of Antigua. (Image: TCarta)

TCarta, a global provider of marine geospatial products, has delivered pre- and post-disaster surface models for the Caribbean islands of Antigua and Barbuda for use in Hurricane Irma recovery efforts. The satellite-derived surface models contain seamless datasets of onshore elevation and offshore water-depth measurements for each island. The United Kingdom government commissioned the Hurricane Irma disaster mapping for Antigua and... read more

USGS Selects Woolpert to Evaluate Lidar for 3DEP

August 13, 2015By

The U.S. Geological Survey (USGS) has contracted with Woolpert to evaluate new lidar (light detection and ranging) technologies to assess the suitability to support the 3D Elevation Program (3DEP). This use of the single photon and Geiger mode lidar for this evaluation is new to the commercial market, according to Woolpert Project Director John Gerhard. “This technology provides the ability to fly... read more

Highest Peak in North America to be Surveyed

June 16, 2015By

A new GPS survey of Mount McKinley, the highest point in North America, will update the commonly accepted elevation of McKinley’s peak, 20,320 ft. The last survey was completed in 1953. The USGS, along with NOAA’s National Geodetic Survey (NGS) and the University of Alaska Fairbanks (UAF), are supporting a GPS survey of the Mount McKinley apex. Surveying technology and processes... read more

USGS Holds Stakeholder Workshops for 3D Topo Data

May 20, 2015By

The U.S. Geological Survey National Geospatial Program is developing the 3D Elevation Program (3DEP) to respond to growing needs for high-quality topographic data and for a wide range of other three-dimensional representations of the nation’s natural and constructed features. To expand awareness of 3DEP status and plans, as well as provide an open forum for 3DEP stakeholders to communicate and... read more