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PostPosted: Fri May 10, 2013 2:18 pm 
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From retreating glaciers to the appearance of man-made islands off the coast of Dubai: The incredible animations that reveal how much our planet has changed in just 28 YEARS

  • Images created using Landsat satellite images and Google map data
  • Show everything from the spread of Las Vegas to Brazilian Amazon Deforestation

By Mark Prigg
PUBLISHED: 13:16 GMT, 10 May 2013 | UPDATED: 16:33 GMT, 10 May 2013

They are a breathtaking visualisation of just how quickly our planet is changing.

Google has released these astonishing images showing data collected from the Landsat satellite from 1982 until 2012.

They reveal everything from man's impact on the desert as Las Vegas expands to the retreat of glaciers in Columbia.

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The Coastal Expansion of Dubai, revealing two palm trees and a
map of the world appear as islands off the coast as vast swathes
of construction are undertaken



Image
Jumeira Palm Island in Dubai from nearer the ground: 14,000 laborers toiled day and night on the development


HOW THEY DID IT

Each frame of the timelapse map is constructed from a year of Landsat satellite data, constituting an annual 1.7-terapixel snapshot of the Earth at 30-meter resolution.

The Landsat program, managed by the USGS, has been acquiring images of the Earth's surface since 1972. Landsat provides critical scientific information about our changing planet.

Google worked with the U.S. Geological Survey (USGS), Nasa and Time to develop the images, even digitising tapes containing the early data from the satellites.

...more at link (more animations)
http://www.dailymail.co.uk/sciencetech/ ... YEARS.html

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PostPosted: Fri May 10, 2013 9:17 pm 
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Those animations are amazing, although the Brazilian Rain Forest Deforestation is disturbing.

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PostPosted: Sun May 12, 2013 9:52 am 
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Yes awesome! And it is sad about the rainforest.


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