Topography

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About this dataset

Land topography allows us to make maps of the features of the surface of the Earth. Topographic maps show the location, height, and shape of features like mountains and valleys, rivers, even the craters on volcanoes. Another way to think of topographic maps is that they are a picture of the three-dimensional (3-D) structure of the surface of the Earth. Flat maps can create a 3-D effect by making some parts of the map dark and other parts light. This is called "shading" because it makes features on the surface look like they are casting shadows. This topographic map is made from data collected from three sources: NASA's Space Shuttle, Canada's Radarsat satellite, and topographic maps made by the U.S. Geological Survey.

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1.0 degrees	360 x 180 download
0.5 degrees	720 x 360 download
0.25 degrees	1440 x 720 download
0.1 degrees	3600 x 1800 download
CSV for Excel older than 2007 download

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1. Visit JPL SRTM Data Product Site

2. Click World under Gallery of Data Products

3. Select the format needed and wait for download

Related Websites

Shuttle Radar Topography Mission

Radarsat-1

Credits

Imagery produced by the NASA Earth Observations team based on data courtesy of the USGS.

Federal Geographic Data Committee Geospatial Metadata

View the FGDC Metatdata for Topography

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