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Decision and Policy Analysis Research Area – DAPA

SRTM Data in Amazon's Cloud

SRTM Data in Amazon’s Cloud : BLOG by Tom MacWright from developmentSEED

Recently developmentSEED processed SRTM 90m Digital Elevation Data from CGIAR into a 600GB Amazon EBS to make this data easier accessible. This dataset were provided by CIAT-CSI (Jarvis A., H.I. Reuter, A.  Nelson, E. Guevara, 2008, Hole-filled  seamless SRTM data V4, International  Centre for Tropical  Agriculture (CIAT)), to follow their policy of sharing their investigation work to a brought public usage.

ebsIn contrast of having all this data available just on a traditional web-server for instant download, having it on EBS volume means that data extracted by a specific area mask, can be achieved by creating an EBS volume in seconds and attaching it to a cloud computer for further processing and rendering usage.

Elevation data originally from NASA’s Shuttle Radar Topography Mission where processed and improved within the last years by detecting and filling absent information because of radar scatter by mathematical approximation to make  the dataset far more usable for visualization and analysis.

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