URBANmedias
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Scoop.it!
Of all the cosmic bodies studied in the long history of astronomy and space travel, the one that got the least attention was the one that ought to matter most to us—Earth. That changed when NASA created the Landsat program, a series of satellites that would perpetually orbit our planet, looking not out but down. Landsat was built for public monitoring of how the human species was altering the surface of the planet. The space agency, along with the U.S. Geological Survey (USGS), has accumulated a stunning catalog of images that, when riffled through and stitched together, create a high-definition slide show of our rapidly changing Earth, which for the first time date all the way back to 1984.
These Timelapse pictures tell the pretty and not-so-pretty story of a finite planet and how its residents are treating it — razing even as we build, destroying even as we preserve. Visit the article link to see an exclusive timelapse of climate change, deforestation and urban sprawl unfolding as Earth evolves over 30 years... Via Lauren Moss 
Ishola Adebayo's comment,
July 31, 2013 9:07 AM
good day Sir, pls need help on fixing scan line errors on lansat7 ETM images from 2003 using for example ArcMap9.3 or ENVI4.5 or.........thank you so much
Courtney Barrowman's curator insight,
May 27, 2015 10:55 AM
summer work KQ2 key concepts: remote sensing, deforestation, desertification, land use, geospatial |
This would be great to teach the power of tornadoes for Science!
En cas de catatrophe naturelle, les sociétés d'imagerie satellitaire mettent à la disposition du public leurs images. Ici deux images sont superposées et un volet permet de constater l'étendue des dégâts. A remarquer le fait que la tornade suit une trajectoire précise épargnant certains lieux tout proches.