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Massive landslide adds to ‘unprecedented’ damage along scenic Highway 1 in Big Sur area

Massive landslide adds to ‘unprecedented’ damage along scenic Highway 1 in Big Sur area | Geography Education | Scoop.it

"A massive mudslide along the California coast.  Millions tons of rock/dirt, about 1/3 mile of roadway covered 35-40 feet deep.”

Seth Dixon's insight:

A steep slope, unstable ground, and changing moisture content result is this spectacular (and horrifying) example of how the Earth beneath our feet might not be as permanent as we expect it to be.

 

Questions to Ponder: Which type of mass wasting is seen in this particular example?  What conditions would lead to other types of mass wasting?  

 

Tags: physicalCalifornia, geomorphology, erosion, landforms.

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Industrial Environmental Disasters

Industrial Environmental Disasters | Geography Education | Scoop.it
It's not two photos stitched together, and it's not an installation. This red line is the stain of toxic sludge.

 

This is a great issue that highlights the human-environmental interactions theme.  In 2011, this site in Hungary witnessed a horrific toxic sludge spill at an aluminum oxide plant that literally created a toxic mudslide. 

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Roland Trudeau Jr.'s comment, July 22, 2012 9:47 AM
such a horrible scene, just another footprint we've stomped into the earth
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Logging and Mudslides

Logging and Mudslides | Geography Education | 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.
Seth Dixon's insight:

There are several reasons for mudslides--some are purely a result of physical geography and others are related to land use patterns.  This last week's mudslide in Washington state was a combination of the two and although this impacts one place (see on map), it is a good teaching moment to discuss the environmental impacts of land use patterns and resource extraction projects.  As seen in this interactive, the river was cutting at the base of the hill, while loggers were clear-cutting at the top of the mountain.  Trees help prevent erosion as the roots hold the soil in place--a critical piece to the puzzle in a very rainy climate.  With $1 million worth of timber on the slope, logging companies persisted despite objections from the Department of Natural Resources and some restrictions (but in hindsight, those restrictions clearly were not enough). 


View the impact in ArcGIS online: Before and After Swipe, LiDAR I and II, and Imagery.


Questions to Consider: Other than economic worth, what other ways are there to value and evaluate the environment?  How could this landscape have been protected and managed better or was this mudslide inevitable?   


Tagspolitical ecology, resources, environment, environment modify, industry, physical, geomorphology, erosion, landforms.

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Geofreak's curator insight, April 3, 2014 1:39 PM

Mijnbouw en aardverschuivingen, een goede combinatie ...... 

PIRatE Lab's curator insight, April 7, 2014 11:48 AM

There are several reasons for mudslides--some are purely a result of physical geography and others are related to land use patterns.  This last week's mudslide in Washington state was a combination of the two and although this impacts one place (see on map), it is a good teaching moment to discuss the environmental impacts of land use patterns and resource extraction projects.  As seen in this interactive, the river was cutting at the base of the hill, while loggers were clear-cutting at the top of the mountain.  Trees help prevent erosion as the roots hold the soil in place--a critical piece to the puzzle in a very rainy climate.  With $1 million worth of timber on the slope, logging companies persisted despite objections from the Department of Natural Resources and some restrictions (but in hindsight, those restrictions clearly were not enough). 

 

View the impact in ArcGIS online: Before and After Swipe, LiDAR I and II, and Imagery.

 

Questions to Consider: Other than economic worth, what other ways are there to value and evaluate the environment?  How could this landscape have been protected and managed better or was this mudslide inevitable?   

El Futuro deWaukesha's curator insight, April 18, 2014 12:03 AM

Working on an Inquiry of recent natural disasters with first grader.