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Finding North America’s lost medieval city

Finding North America’s lost medieval city | Navigate | Scoop.it
Cahokia was North America's biggest city—then it was completely abandoned. I went there to find out why.

Via Seth Dixon, Bonnie Bracey Sutton
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Seth Dixon's curator insight, December 14, 2016 3:33 PM

The earthen mounds of Cahokia on the flat flood plains must have been the most awe-inspiring demonstration of political power and economic wealth in its day.  Like so many other civilizations before them (and many more in the future?), Cahokia probably declined from too many environmental modifications that led to unforeseen consequences.

 

Tagsurban ecology, indigenousenvironment, environment modify, historical, North America.

Ivan Ius's curator insight, December 15, 2016 9:35 AM
Geographic Concepts: Spatial Significance, Interrelationships
ROCAFORT's curator insight, December 19, 2016 2:19 AM
Finding North America’s lost medieval city
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Animated GIFs of Earth Over Time

Animated GIFs of Earth Over Time | Navigate | Scoop.it

"It took the folks at Google to upgrade these choppy visual sequences from crude flip-book quality to true video footage. With the help of massive amounts of computer muscle, they have scrubbed away cloud cover, filled in missing pixels, digitally stitched puzzle-piece pictures together, until the growing, thriving, sometimes dying planet is revealed in all its dynamic churn. The images are striking not just because of their vast sweep of geography and time but also because of their staggering detail."


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Sally Egan's curator insight, August 26, 2014 6:42 PM

This is a great demonstration of human impacts on ecosystems. 7 locations in the world show dramatic change over time.

MsPerry's curator insight, September 1, 2014 9:51 AM

APHG-Unit 1

Lindley Amarantos's curator insight, September 5, 2014 9:19 AM

the Impact of HEI

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America’s recent drought history, animated

America’s recent drought history, animated | Navigate | Scoop.it

"California's drought just hit a new milestone: As of this week, 32.98 percent of the state is experiencing "exceptional" drought, making it the worst drought in the 14 years that the Department of Agriculture's Drought Monitor has tracked data."


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Seth Dixon's curator insight, June 23, 2014 9:23 AM

The recent drought in California has only deepened and this Washington Post article shows an animated map that highlights the temporal and spatial patterns in the drought data (hint--it's not pretty).  In a related note, May 2014 was the hottest May in recorded history.     


Questions to Consider: What are some reasons (both from human and physical geography) for this severe drought? What can be done in the short-term to lessen the problem? What can be done to make California’s water situation better for the next 50 years?


Tags: physical, weather and climate, consumptionCalifornia, water, environment, resources, environment dependurban ecology.

Leslie Kelsey's curator insight, June 25, 2014 12:24 PM

As California's rain shortage continues, this may be a useful site for teachers and students to explore the drought over time. 

Character Minutes's curator insight, June 25, 2014 12:56 PM

Use to emphasize the need to apply character traits of resourceful and thrifty.

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The world's oldest living tree

The world's oldest living tree | Navigate | Scoop.it
At 4,841 years old, this ancient bristlecone pine is the oldest known non-clonal organism on Earth. Located in the White Mountains of California, in Inyo National Forest, Methuselah's exact location is kept a close secret in order to protect it from the public. (An older specimen named Prometheus, which was about 4,900 years old, was cut down by a researcher in 1964 with the U.S. Forest Service's permission.) Today you can visit the grove where Methuselah hides, but you'll have to guess at which tree it is. Could this one be it?

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Seth Dixon's curator insight, January 31, 2014 2:44 PM

I freely admit that I have a strange fascination with the twists and turns in a majestic tree; I find that they are great reminders of the wonders and beauty to be found on Earth. 


Tags: biogeography, environmentecology, historical, California.

Beatrice Do's curator insight, January 31, 2014 3:40 PM

the exact location is kept a close secret O_O

Joseph Thacker 's curator insight, February 5, 2014 7:17 PM

After reading this article, I am pleased to know that the world oldest non-clonal organism is located in California. It is amazing that a tree could still stand after almost 5,000 years. Hopefully, people do not destroy this tree, as it is fascinating. 

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The Great Barrier Reef

"Australia urged the UN's World Heritage Committee to keep the Great Barrier Reef off the 'in danger' list to protect their tourism industry. But that doesn't mean the ecological treasure is not in danger."

 

Tags: biogeography, environment, ecology, Australia, Oceania.


Via Seth Dixon, Bonnie Bracey Sutton
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Danielle Kedward's curator insight, September 12, 2015 7:38 AM
World Heritage for Year 7
Sally Egan's curator insight, November 23, 2015 6:29 PM

Great article for the GBR as an ecosystem at risk.

Chris Costa's curator insight, December 1, 2015 4:27 PM

I have enjoyed the emphasis on the human aspect of geography in this course, and how geography impacts us. However, as much as the world influences us, we do have a substantial amount of influence on the composition of the planet, oftentimes for the worse. The Great Barrier Reef is one of the greatest wonders of the world, home to some of the most spectacular sights one can see; as someone who has been scuba diving a handful of times, I can only imagine what it must be like to explore such a world below the surface, seeing all the life that surrounds me. I would love to be able to at some point in my life, but there is a great probability that I might never get the opportunity, as the reef is dying- fast. 50% of the reef has been lost over the past 3 decades, and while Australia has pledged to reserve over a billion dollars to fund conservation efforts, it might be a case of too little, too late. Man-made climate change as a whole is taking a toll on one of nature's greatest treasures, and it might be out of the hands of the Australian damage to reverse the damage that has already been done. I would love to have the opportunity to see this one day, and I hope I get to, but I don't know if I ever will if current rates of reef loss continue. Here's to hoping humanity gets it act together and tries to save the geography we often take for granted; we won't like the ugly landscapes that will follow if we don't.

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Columbia University and the Van Alen Institute Map How Our Brains Navigate the City

Columbia University and the Van Alen Institute Map How Our Brains Navigate the City | Navigate | Scoop.it
The GSAPP’s Cloud Lab teams up with neurologists and the design institute to track how urban environments can make people relaxed or tense.

This spring, the Cloud Lab at Columbia University and the Van Alen Institute tackled the challenge of assessing and mapping how people respond to their environment as a part of Van Alen’s Elsewhere series on wellness in the city.

Instead of the typical focus groups, however, the researchers tracked brainwaves to gauge the mental activities of nearly 100 volunteers; using electroencephalography-based (EEG) measurements and the GPS tracking app, the research team collected more than 1 gigabyte of data over 200 walking sessions that, in theory, create a snapshot of a day-in-the-life of the neighborhood’s mental states. 

Presenting the data in a manner that retained its spatial qualities required the researchers to develop their own software for visualization. At a public follow-up presentation in May, the team presented the simplified data on a 3D map of DUMBO. Areas in cyan indicate places in which participants were in a more meditative and relaxed state, while areas in red indicate places where participants had a more focused or heightened sense of awareness...


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Bhopkins's curator insight, August 22, 2014 10:53 AM

"Architects and planners could employ the technology during post-occupancy walkthroughs or preliminary design presentations."

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The World's Largest Trees

"The world's second-largest known tree, the President, in Sequoia National Park is photographed by National Geographic magazine photographer Michael 'Nick' Nichols for the December 2012 issue."


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Hemant Galviya's curator insight, April 17, 2014 2:55 AM

hiiiiiiiiiiii

Miroslav Sopko's curator insight, April 18, 2014 11:44 AM

Najväčšie stromy sveta.

Basant Kerketta's curator insight, April 21, 2014 4:26 AM

Magnificent !!!

These kind must be saved.

Wish I could plant and replicate this size and height here in my home town.