ChangeMatters Landsat Viewer Released

by Matt Ball on May 3, 2011

This morning at the ASPRS annual conference Esri released an online Landsat satellite imagery viewer called ChangeMatters along with online imagery services to access multi-temporal and multi-spectral worldwide Landsat data. The online ChangeMatters imagery viewer is accompanied by a series of tutorial videos to walk you through all that is offered, with details on how to view and understand change over the course of the 30-year archive.

The online viewer provides a simple interface with the ability to view images side-by-side and toggle between imagery date, to change the level of transparency of images, to view and adjust a change map, and to overlay aerial imagery, streets and a topo view. There is even the ability to launch this service within ArcGIS Online in order to make your own maps online with the data.

This service partners with the U.S. Geological Survey’s Global Land Survey (GLS) Landsat imagery, which provides worldwide imagery from the 1970s, 19980s, 2000, and 2005. The viewer was conceptualized and the project was managed by Kass Green & Associates. Tukman Geospatial provided recommendations on image enhancements and quality assurance and testing. DTS Agile designed and developed the applications, and optimized it for both desktop and tablets.

This viewer is truly a revolutionary online geospatial product that will spread the power of geospatial technologies for change management. The democratization of this archive of 8 TB of satellite imagery, along with the fast access and online analysis of this historical archive, have the potential to change how we manage our world.

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