February 21, 2015
By John R. Hughes, editor, Earth Imaging Journal, Denver. In late 2009, a $14.3 million allocation from the American Recovery and Reinvestment Act for new light detection and ranging (lidar) elevation data prompted the U.S. Geological Survey (USGS) National Geospatial Program (NGP) to develop a common base specification for all lidar data acquired for The
January 26, 2015
RESTON, Va., Jan. 26, 2015—Improved global topographic (elevation) data are now publicly available for most of Asia (India, China, southern Siberia, Japan, Indonesia), Oceania (Australia, New Zealand), and western Pacific Islands. See diagram below for geographic coverage. Similar data were previously released by USGS for most of Africa (in September 2014) and the Western Hemisphere
September 25, 2014
President Obama announced several initiatives to support a scientific and technological response to climate change on Sept. 23, 2014, including the release of global 30-meter elevation data sets collected by the Shuttle Radar Topography Mission (SRTM).