Getting started with SRTM elevation data: downloading, processing, clipping and visualizing.

Very detailed instruction for dealing with STRM data. Good stuff!

Scientia Plus Conscientia

As a prelude to a post on topographic correction of Landsat images, we here review the basic steps to get elevation data and preparing them for using as a base for topographic correction.

The Shuttle Radar Topography Mission (SRTM) is a tremendous resource because of its high accuracy and its consistency as a “snapshot” of Earth’s surface, acquired over just 10 days during February 2000. It is also freely available for anyone! SRTM was a specially designed mission of the Endeavour space shuttle, with a specially built sensor antenna, and aimed to map the Earth’s land topography using radar interferometry. As a result, during the 10 days of the mission, the land surface topography between latitudes 60°N and 56°S, or about 80% of Earth’s surface, was mapped with a final cell size of 1 arc-second (about 30 m) and absolute elevation errors under 10 m. More details about the mission…

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About Qiusheng Wu

Assistant Professor of Geography at Binghamton University, State University of New York

Posted on December 3, 2014, in Uncategorized. Bookmark the permalink. 1 Comment.

  1. Thanks for reblogging my post Qiusheng!

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