general geography
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Motion of Tectonic Plates

"This video is from the BBC documentary film Earth: The Power Of The Planet.  The clip is also embedded in this story map that tells the tale of Earth’s tectonic plates, their secret conspiracies, awe-inspiring exhibitions and subtle impacts on the maps and geospatial information we so often take for granted as unambiguous."


Tags: physical, tectonics, disasters, mapping, geospatial, mapping, video, ESRI.


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NASA - Image of the Day

NASA - Image of the Day | general geography | Scoop.it
NASA.gov brings you images, videos and interactive features from the unique perspective of America’s space agency.

 

NASA has stunning galleries of images including this link to their daily image.  The big news today about the NASA images is that they have recently made the 172-page e-book Earth as Art a free download (PDF). 

 

About the Image: Portrait of Global Aerosols

"High-resolution global atmospheric modeling run on the Discover supercomputer at the NASA Center for Climate Simulation at Goddard Space Flight Center, Greenbelt, Md., provides a unique tool to study the role of weather in Earth's climate system. The Goddard Earth Observing System Model, Version 5 (GEOS-5) is capable of simulating worldwide weather at resolutions of 10 to 3.5 kilometers (km).  This portrait of global aerosols was produced by a GEOS-5 simulation at a 10-kilometer resolution. Dust (red) is lifted from the surface, sea salt (blue) swirls inside cyclones, smoke (green) rises from fires, and sulfate particles (white) stream from volcanoes and fossil fuel emissions." 


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What Could Disappear?

What Could Disappear? | general geography | Scoop.it
Coastal and low-lying areas that would be permanently flooded in three levels of higher seas.

 

This interactive feature is designed to answer a simple, yet profound set of questions.  What areas (in over 20 cities around the U.S.) would be under water if the ocean levels rose 5 feet?  12 feet?  25 feet?  The following set of maps show "coastal and low-lying areas that would be permanently flooded without engineered protection." 


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Mary Rack's comment, November 26, 2012 8:03 AM
especially good!
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Where Does Your Water Come From?

Where Does Your Water Come From? | general geography | Scoop.it

This interactive map documents where 443 million people around the world get there water (although the United States data is by far the most extensive).  Most people can't answer this question.  A recent poll by The Nature Conservancy discoverd that 77% of Americans (not on private well water) don't know where their water comes from, they just drink it.  This link has videos, infographics and suggestions to promote cleaner water.  This is also a fabulous example of an embedded map using ArcGIS Online to share geospatial data with a wider audience.  

 

Tags: GIS, water, fluvial, environment, ESRI, pollution, development, consumption, resources, mapping, environment depend, cartography, geospatial. 


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Nic Hardisty's comment, October 15, 2012 9:01 AM
I was definitely unaware of where my drinking water came from. This is nice, user-friendly map... Hopefully it gets updated regularly, as it will be interesting to see how these sources change over time.
Bonnie Bracey Sutton's curator insight, July 1, 2013 3:55 PM

water is a resource we all depend on. Some of my best studies were on local Chesapeake Bay issues.

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EARTH Masterpieces

The natural landscapes shown as captured by satellite imagery is as beautiful as anything artists have ever created.  Some of the colors shown in the video may seem otherworldy.  Most of those color anomalies are due to the fact that remotely sensed images have more information in them than just what we see in the visible portion of the electromagnetic spectrum.  Some of these images are processed to show different bands so we can visually interpret data such as what is in the near infra-red band, skewing the color palette.


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A Mysterious Patch Of Light

A Mysterious Patch Of Light | general geography | Scoop.it
If you are up in space looking down on America west of the Mississippi, one of the brightest patches of light at night is on the Great Plains in North Dakota. It's not a city, not a town, not a military installation.

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Heidi Zumbrun Bjerke's comment, February 12, 2013 9:52 PM
Use google earth and you can compare the two images.
Mary Patrick Schoettinger's comment, February 12, 2013 11:55 PM
that's an excellent idea, especially to have students suggest what the light might be in the photo. The question is , is the bright light a one time occurrence or does it continue?J
Mary Rack's comment, February 13, 2013 6:08 AM
I'm having trouble installing GoogleEarth on my iMac. Looking forward to the comparison. Big adjustment after years in the PC world.
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Black Marble: The Earth at Night

Black Marble: The Earth at Night | general geography | Scoop.it
“Nothing tells us more about the spread of humans across the Earth than city lights.”...

 

"For three weeks spread out over April and October of this year, the Suomi NPP satellite (jointly of NASA and NOAA) scanned all the Earth's land as it appeared at night. Scientists then mapped the satellite's data -- 2.5 terabytes of it -- over an earlier Blue Marble image, transforming that picture's daytime blues, browns, and greens into a nightime palette of blues, blacks, and gold." 

 

This video is a great compliment to the classic Earth at Night composite image as well as the adjusted cartogram for population density.  

 

Questions to Ponder: What do these lights "tell us" about human geography?  What does the intensity of the lights indicate?


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Coastal Hazard Threat Map

Coastal Hazard Threat Map | general geography | Scoop.it

This interactive map of coastal Massachusetts and Rhode Island shows some basic flooding data including: 1) where are the flood warnings (essential the entire coastline), 2) how high the storm surge is, and 3) how high the waves are.

 

Tags: Rhode Island, water, disasters, geospatial.


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Live Flight Tracker

Live Flight Tracker | general geography | 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. 


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