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Curated by Jose Francisco
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Remote Sensing and Land Cover Change

Remote Sensing and Land Cover Change | History & Maps | Scoop.it

By moving the slider, the user can compare 1990 false-color Landsat views (left) with recent true-color imagery (right). Humans are increasingly transforming Earth’s surface—through direct activities such as farming, mining, and building, and indirectly by altering its climate.


This interactive feature includes 12 places that have experienced significant change since 1990.  This is an user-friendly way to compare remote sensing images over time.  Pictured above is the Aral Sea, which is and under-the-radar environmental catastrophe in Central Asia that has its roots in the Soviet era's (mis)management policies.  

 

Tags: remote sensing, land use, environment, geospatial, environment modify, esri, unit 1 Geoprinciples, zbestofzbest.


Via Seth Dixon
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Luke Walker's curator insight, October 23, 2013 8:14 PM

See how much the Aral Sea has changed due to the impact of humans on their environment for yourself. Drag the slider tool to see a before and after. Reference your textbook (p61) for the whole story.

Amy Marques's curator insight, April 24, 9:46 AM

This map is a true testament to the people who believe human activity does not affect the earth. Humans have been transforming Earth’s surface for years, through direct activities such as farming, mining, and building, and indirectly by altering its climate. Much of the transformation taking place in the Aral sea leads to its connection to the Soviet era and their lack of understanding of the environment. This mismanagement of the Aral Sea is leading to a lack of water for the people who live in Central Asia.

Jess Deady's curator insight, May 4, 7:30 AM

The colors seen in photographs and images like this is because of the equipment used. Sometimes the quality of the equipment makes the pictures look different than they actually are. This basin has dried up over time and its surface has signs of significant change.

Rescooped by Jose Francisco from Geography Education
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Live Flight Tracker

Live Flight Tracker | History & Maps | Scoop.it

Flightradar24 is the best live flight tracker that shows air traffic in real time. Best coverage and cool features!

 

Ever wanted to find out where that plane overhead came from?  Where is it going?  Here it is.  The flight that was over Rhode Island 5 minutes ago that left the JFK airport?  It's officially on it way to Geneva Switerland and now over the Atlantic.   

 

Tags: mapping, worldwide, geospatial, transportation. 


Via Seth Dixon
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Amazing view of Universe captured

Amazing view of Universe captured | History & Maps | Scoop.it
The Hubble Space Telescope has produced one of its most extraordinary views of the Universe to date.

 

The Earth is an amazing place to study...but this makes it feel remarkably small. 

 

Tags: geospatial, space, remote sensing, scale, perspective. 


Via Seth Dixon
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Matt Mallinson's comment, October 1, 2012 8:32 AM
I like this kind of stuff, if i didn't choose geography I would probably have chosen astronomy. Everything about it interests me, there's so much that we don't know and will probably never know.
Matthew DiLuglio's curator insight, September 10, 2013 8:07 AM

I thought it was funny that even though many of the published telescopically captured photos are composites of different lens and filtered shots of a single item, or area of space, that if that item or area were really to be examined, to get more of a feel for the universe as it truly is rather than how we would ordinarily see it, would be to consider it from an infinite number of perspectives.  Rather than just one perspective, as humans are limited to, the universe has many eyes.  Instead of taking many photographs from the same perspective, we could, as many modern scientists do, do in-depth scans using X-ray technology, and magnetic resonance, assessing composition, to create a full picture of all angles, zooms, and subjects of everything, in order to determine more about origins and mysteries of the universe. I would endorse that to be done on an infinite scale, complete with documentation of all spatial anomallies and occurances, such that completion of understanding could, in theory take place by crossing the gap of the notion of infinity by utilizing technology to one's advantage.  This would allow us not to waste time looking at every detail, but to have something with more processing capabilities understand it for us, and communicate that infinity in a way that we could see it.  There are dangers of using X-ray technology, and it doesn't seem like NASA really cares about (as one could hope) not harming alien life, or planting life on other worlds, etc. I would more forcibly endorse that we do not try to observe other worlds and the Universe at all, because god forbid, some alien colony finds us and sees that we are not only cuturally divided, we are a torn world, shattered in the aftermath of the destruction that comes from our selfishness and pride that has long dominated the hearts of men.  They might be disappointed, and they should be.