/library/taxonomy/term/784/all en /library/find/maps/dem <h2>What is a Digital Elevation Model (DEM)?</h2> <p><cite>Digital Elevation Model</cite>. (Also DEM, DTM, Digital Terrain Model). A digital representation of the elevation of locations on the land surface. A DEM is often used in reference to a set of elevation values representing the elvation at points [or pixels] in a rectangular grid on the Earth’s surface."</p> <p>Source: McDonnell, Rachael and Karen Kemp. <cite>International GIS Dictionary</cite>. Geoinformation International, 1995.</p> Thu, 01 Dec 2011 17:31:03 +0000 edward.bilodeau@mcgill.ca 5034 at /library