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Home clings to collapsing cliff in N. Texas

Home clings to collapsing cliff in N. Texas | Teachers Toolbox | Scoop.it

"The edge of the 4,000 square foot residence on Overlook Court was dangling about 75 feet above the rocky shoreline of Lake Whitney after part it it had already broken off."


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Lorraine Chaffer's curator insight, June 13, 10:00 PM

Natural hazards

YEC Geo's curator insight, June 14, 1:10 PM

In the lower map, the location of the house is marked by a yellow pushpin inside the solid red square.  Some geological background--this poor house has the misfortune to apparently lie directly upon the contact between two carbonate formations (marked by the white dotted line), and to also be on the erosive edge of a bend in the river. Both factors probably contributed to the demise of this particular home, which was eventually set on fire: https://tinyurl.com/nw7mfd2

 

 

One thing to notice is how straight the cliff edge is upon which the house is built.  Knowing that, I'd have to say that if I had a house located on the straight cliff edges within the dotted red squares I've made on the map, I'd be worried.

 

You can read about the geology of Texas here:

https://tinyurl.com/lrcp9yj

 

Image credit here: http://www.nbcdfw.com/news/local/House-on-Lake-Whitney-Cliff-Falling-Into-Lake-262718721.html?partner=nbcnews

Massimo Di Duca's curator insight, June 15, 12:13 PM

E la prospezione geologica da presentare al Comune? Era prevista nel PRG del comune? Esisteva un VIA?

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Largest glacier calving ever filmed

"On May 28, 2008, Adam LeWinter and Director Jeff Orlowski filmed a historic breakup at the Ilulissat Glacier in Western Greenland. The calving event lasted for 75 minutes and the glacier retreated a full mile across a calving face three miles wide. The height of the ice is about 3,000 feet, 300-400 feet above water and the rest below water."

 

Tags: physical, geomorphology, landforms, erosion, climate change, Greenland.


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More information at www.chasingice.com

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Flaviu Fesnic's comment, April 12, 3:31 PM
impressive !
Maricarmen Husson's curator insight, April 13, 2:15 PM

Adam LeWinter and Director Jeff Orlowski filmed a historic breakup at the Ilulissat Glacier in Western Greenland

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Video: The Science of Mudslides

They begin in an instant, often without warning. Many factors can contribute to mudslides, including erosion, fire and heavy rain. The aftermath can be devastating.
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Sinkholes and Karst Topography

The above YouTube clip was embedded in this LiveScience article: "Sinkholes are an increasingly deadly risk in Florida, due primarily to the region's geology. The state is largely underlain by porous limestone, which can hold immense amounts of water in underground aquifers. As groundwater slowly flows through the limestone, it forms a landscape called karst, known for features like caves, springs and sinkholes.

The water in aquifers also exerts pressure on the limestone and helps to stabilize the overlying surface layer, usually clay, silt and sand in Florida. Sinkholes form when that layer of surface material caves in.

The collapse can be triggered by a heavy overload, often caused by a downpour or flooding, or when water gets pumped out of the ground."


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Bonnie Bracey Sutton's curator insight, January 30, 11:03 PM
What a great piece. Mind your p's and q's and Karst.
Shiva Prakash's curator insight, February 3, 11:20 PM

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Block-Long Sinkhole Swallows Cars in Baltimore

Block-Long Sinkhole Swallows Cars in Baltimore | Teachers Toolbox | Scoop.it

"A block-long sinkhole opened up in a residential neighborhood in rain-soaked Baltimore on Wednesday, devouring cars and forcing the evacuation of several houses."


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Seth Dixon's curator insight, May 1, 4:35 PM

We like to think that the Earth beneath our feet is solid and that the configuration of the landforms in our neighborhood will be unchanging.  This a dramatic reminder that Earth's physical processes don't ever stop--even if we've built a city in that spot.  Watch this retaining wall collapse in this video.


Tags: physical, geomorphology, erosion, landformsweather and climateurban ecology.

Jim Doyle's curator insight, May 9, 10:57 PM
Block-Long Sinkhole Swallows Cars in Baltimore
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Logging and Mudslides

Logging and Mudslides | Teachers Toolbox | Scoop.it
In recent decades the state allowed logging — with restrictions — on the plateau above the Snohomish County hillside that collapsed in last weekend’s deadly mudslide.

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bye bye's comment, May 8, 8:38 PM
i agree with hi hi
hi hi's comment, May 8, 8:38 PM
who is the nob that cares about logging and mud slides
bye bye's comment, May 8, 8:40 PM
u need help guys
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Rivers from Above

Rivers from Above | Teachers Toolbox | Scoop.it
Get a unique view of these rivers beyond the banks.Photo editing by Lia Pepe

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Tracey M Benson's curator insight, February 24, 3:30 PM

Beautiful images that are a great reminder of the incredible diversity of landscapes and waterways on this fragile planet.

Woodstock School's curator insight, February 25, 5:01 AM

The Art of Geography

Mark Burgess's curator insight, February 26, 6:26 AM

Awesome rivers. i love a good river.