Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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elevation data

February 21, 2015

Industry Insights: Updated Lidar Base Specification Urges Consistent Data Collection Practices

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

More Global Topographic Data to Aid Climate Change Research

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

SRTM Data Released as Part of Climate Summit Initiatives

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).