25 Jul '12, 2pm

Dramatic Time-Lapse Videos Show Changes to Earth’s Surface Using 40 Years of Landsat Images

How can we see what's happened to the earth's surface over the last 40 years? Well, the Landsat satellite has been taking image after image -- in fact, a complete image of Earth's surface every 16 days -- for the last four decades. That means we have all the data we might need, if we could figure out the best way to look at it all. Thankfully, there is a high-tech tool that can handle such a pile of information. Google's Earth Engine is taking all the data captured by Landsat over the last 40 years and making sense of it all, so that we can really see how the planet's surface has changed over the years. From Earth Engine: Google Earth Engine brings together the world's satellite imagery — trillions of scientific measurements dating back almost 40 years — and makes it available online with tools for scientists, independent researchers, and nations to mine this massive wareh...

Full article: http://www.treehugger.com/clean-technology/40-years-lands...

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Dramatic Time-Lapse Videos Show Changes to Eart...

treehugger.com 25 Jul '12, 3pm

How can we see what's happened to the earth's surface over the last 40 years? Well, the Landsat satellite has been taking ...

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earthtimes.org 25 Jul '12, 9am

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