Validation of the ASTER Global Digital Elevation Model (GDEM) Version 2 over the Conterminous United States U.S. Geological Survey Earth Resources Observation Science (EROS) Center Sioux Falls, South Dakota, USA Validati

Source URL: www.jspacesystems.or.jp

Hydrologic conditioning of a DEM Hydrologic conditioning refers to the modification of topographic data in a raw or “bare earth” Digital Elevation Model (DEM) through a series of GIS processing steps to more accurate

Source URL: ptmapp.rrbdin.org

ANALYSIS AND DISPLAY OF DIGITAL ELEVATION MODELS WITHIN A QUADTREE-BASED GEOGRAPHIC INFORMATION SYSTEM Juan A. Cebrian, James E. Mower, and David M. Mark State University of New York at Buffalo Department of Geography

Source URL: mapcontext.com

• Cartography
• Geography
• Computing
• Learning
• Quadtree
• Z-order curve
• Geographic information system
• Digital elevation model
• Grid
• Topography
• Elevation
• Triangulated irregular network

JOINT STATE/REGIONAL ENVIRONMENTAL PLANNING USING THE PEMSO/ADAPT GEOGRAPHIC INFORMATION SYSTEM Walter M. Grayman W.E. Gates and Associates, Inc. Batavia, Ohio 45103

Source URL: mapcontext.com

• Water
• Physical geography
• Geography
• Environmental engineering
• Hydrology
• Hydraulic engineering
• Geographic information systems
• Digital elevation model
• Drainage basin
• Stormwater
• Terrain

Microsoft Word - NED_Release_Notes_Aug10.doc

Source URL: nationalmap.gov

• Cartography
• Geographic information systems
• Geography
• Synthetic aperture radar
• Physical geography
• Geographic data and information
• Shuttle Radar Topography Mission
• Digital elevation model
• National Elevation Dataset
• Lidar
• USGS DEM
• Interferometric synthetic aperture radar

CASE STUDY Savings & security: using drones in place of Lidar

Source URL: www.sensefly.com

• Avionics
• Robotics
• Unmanned aerial vehicle
• Wireless
• Lidar
• Technology
• Surveying
• Digital elevation model
• Geographic information system
• Geography
• Engineering

XXVI SCAR WG-GGI MEETING TOKYO, JAPAN, JULY 2000 REPORT ON ANTARCTIC GEOGRAPHIC DATA

Source URL: www.geoscience.scar.org

• Earth
• Geography
• Physical geography
• General Bathymetric Chart of the Oceans
• Hydrography
• Oceanography
• Digital elevation model
• West Antarctic Ice Sheet
• National Snow and Ice Data Center

Canada Land Info offers a variety of digital topographic map & nautical chart data and satellite imagery products of Canada including DEMs (Digital Elevation Models), bathymetry and vector layers such as

Source URL: www.landinfo.com

• Geography
• Geographic data and information
• Geographic information systems
• Cartography
• Earth observation satellites
• Topography
• Topographic map
• GeoEye
• Digital elevation model
• Satellite imagery
• Intermap Technologies
• Landsat 7

National Elevation Dataset August 2011 Release Notes The August 2011 update of the National Elevation Dataset (NED) was released on August 9, 2011. It marks the 61th update of the 1 arc-second layer since bi-monthly revi

Source URL: nationalmap.gov

• Cartography
• Geographic information systems
• Geography
• Synthetic aperture radar
• Physical geography
• Geomatics
• Shuttle Radar Topography Mission
• Digital elevation model
• National Elevation Dataset
• Lidar
• USGS DEM
• Interferometric synthetic aperture radar

Preparing a base map (e.g., for geological mapping) with ArcMap This tutorial explains how to create a base map using topographic data. I assume at that stage that you already have a digital elevation model (DEM) of the

Source URL: www.geos.ed.ac.uk

• Cartography
• Geography
• ArcMap
• Contour line
• Physical geography
• HTML element
• Software
• Topography
• USGS DEM
• Terrain cartography