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Tecnologies de la informacio Geoespacial
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Earth from Above

Earth from Above | TIG | Scoop.it

I'm a huge fan of Yann Arthus-Bertrand's artistic aerial photography.  This image of Rio de Janeiro and the favela is a striking one. I am also posting this to show the how easy the website justpast.it is to use.  Students with no website creation training can produce sharable materials online.  Now this isn't the most professional outlet, but I envision some middle school or high school students producing a class project that can be transformed into something that reaches a bigger audience as it is shared with a broader community. 

 

Tags: remote sensing, images, art, worldwide, K12, edtech.


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Matt Mallinson's comment, September 26, 2012 10:16 AM
This is a striking image. So much poverty purposely hidden behind the mountain, away from the tourists of Rio de Janeiro. It's a shame they have to live the way they do, there is no help from them from their country.
Rescooped by Miguel Ángel Vargas from GIS in Education
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If All of Earth's Water was put into Single Sphere

If All of Earth's Water was put into Single Sphere | TIG | Scoop.it
If All of Earth's Water was put into Single Sphere, from the USGS Water Science School...

 

"This picture shows the size of a sphere that would contain all of Earth's water in comparison to the size of the Earth. The blue sphere sitting on the United States, reaching from about Salt Lake City, Utah to Topeka, Kansas, has a diameter of about 860 miles (about 1,385 kilometers) , with a volume of about 332,500,000 cubic miles (1,386,000,000 cubic kilometers). The sphere includes all the water in the oceans, seas, ice caps, lakes and rivers as well as groundwater, atmospheric water, and even the water in you, your dog, and your tomato plant."

 

The sphere does not include the potential water that some scientists believe may be trapped in the mantle (and thus not accessible on the surface).  For more about water that is not on or near the surface, see: http://news.nationalgeographic.com/news/2002/03/0307_0307_waterworld.html


Via Seth Dixon, Michelle Kinzel
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Gary Robertson's comment, May 7, 2012 9:36 PM
Water is also tied up in hydrated minerals in the rocks of the earth's crust. While not "free" it is still significant and is occasionally freed through subduction and volcanic activity. Furthermore, the earth's mantle may contain even more water than the rest combined! So, maybe the Single Sphere should be larger by more than the cube root of 2, or about 1,083 miles in diameter. See mantle water data at http://news.nationalgeographic.com/news/2002/03/0307_0307_waterworld.html
Seth Dixon's comment, May 7, 2012 11:08 PM
Thanks Green Uncle Mary! I mean Mean Uncle Gary!
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Earth-themed Bike Helmet

Earth-themed Bike Helmet | TIG | Scoop.it

If anyone has alway wanted a hand-painted bike helmet/globe, this is your dream come true. 


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