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Hurricane categoriën uitgelegd

Gedurende het hurricane-seizoen hoor je vaak opmerkingen over de sterkte van de stormen. Wat is het verschil tussen 3 en 5 ? Hier wordt dat uitgelegd: The Weather Channel meteorologist Mark Elliot 


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Seth Dixon's curator insight, October 6, 2016 1:41 PM

With Hurricane Matthew having just hit Haiti (video) and Cuba, it now poised to strike Florida. Many are unsure what the term “category 4” actually means because they are unfamiliar with the Saffir-Simpson Hurricane Wind Scale.  This video is a good introduction to what this means to people in the path of the hurricane. As we monitor this (and future) situation, these are my favorite digital globes that display wind speeds and a few other of Earth’s physical systems. What is beautiful and majestic from one scale can be horrific and catastrophic at another:    

 

Tagsphysical, weather and climatedisasters, mapping, visualization.

Lorraine Chaffer's curator insight, October 7, 2016 5:16 PM
Atmospheric / hydrologic hazards
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Nepal aardbeving: honderden doden en nog vele waarschijnlijk bedolven

Nepal aardbeving: honderden doden en nog vele waarschijnlijk bedolven | aardrijkskunde | Scoop.it
At least 970 people have died as Nepal suffered its worst earthquake for more than 80 years, with deaths also reported in India, Tibet and Bangladesh.

 

Tags: Nepal, disasters, physical, tectonics.


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Gene Gagne's curator insight, November 18, 2015 12:48 PM

We have learned that the Himalayas are growing everyday while our Appalachians in the united states are shrinking. What does this all mean? In the platonic spectrum it means in Nepal, earthquakes.

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Colorado overstromingen in beeld

Colorado overstromingen in beeld | aardrijkskunde | Scoop.it

"Two things that helped make this rainfall historic are breadth and duration. Colorado can get much higher rainfall rates for brief periods and over small areas."


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Meagan Harpin's curator insight, September 16, 2013 3:40 PM

The devastating flooding in Colorado has impacted so many. The rainfall Colorado has experienced makes it the most on record. The massive amounts of flooding and devestation in areas like Boulder are caused by the highly populated valley areas.  

Al Picozzi's curator insight, September 17, 2013 4:13 PM

Almost seems like a perfect storm scenario.  Large amouts of rain over a long perod of time over a large area.  This combined with a late summer/early fall heat wave and tons of moisture in the air, with climate change all contributed to the disater in Colorado.  They also believe the changes made by people to the physical geography over the last hundred years or somade have contributed to teh flooding in the area.  Development can effect the way a place floods.  Where there were once open fields and trees, there are now parking lots and houses which just can't absorb rainfall.  Makes you ask the question, shouldn't there be more study of where we exapnd our cities and what effect this will have in case of a major rainfall, earthquake, blizzard, etc?

Tony Aguilar's curator insight, September 18, 2013 5:27 PM

      What was interesting about this particular deluge was how much rain fell and how it happened in such a short time. Meteroligist high wet density levels of vapor that rose to high altitutdes and was able to condense into water and help in a perfect combination of weather to create a powerfully dangerous flash flood.

    The article recounts a former major colorodo flood that occured in 1978 and had killed over 150 people during a centenial celebration.

   After this occurence warning signs were put up beside the roads to warn travelers of flash flood possiblities and to promote safety. These floods do not happen in Colorado often and are usually a surprise. They do not when the nextmajor flash flood may occur in the boulder region but they know through historical patterns that it will happen again. 

This article stood out to me because I have friends that live in these areas and had to run for safety and move their cars to prevent damage in these same areas. The good thing is that the people that I know from this area are doing ok.

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Voor - en na de tornado in Oklahoma

Voor - en na de  tornado in Oklahoma | aardrijkskunde | Scoop.it

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Justin McCullough's curator insight, September 18, 2013 9:03 PM

The before and after images in this picture are insane. Living on the east coast it's hard to picture losing your home (your whole life) in a matter of mere seconds or minutes. It is really sad to see pictures such as these, and even more devastating to see the families affected by this with looks of disbelief. However, what is encouraging to see from tragedies such as these, is the community helping each other regardless of whatever background a person may have. Unfortunately it is moments like these that force people to help others without the thought of asking or seeking some sort of favor in return.  

Jacqueline Landry's curator insight, December 17, 2013 5:37 PM

I look at these pictures and I can't help but feel bad for the people that were apart of this tornado. In minutes your whole life can change. The picture of the corner house there before the tornado and afterwards nothing, your whole life changed. I couldn't imagine the heartbreak these families went through, loosing everything. 

Dorothy Retha Cook's curator insight, February 24, 2016 6:18 PM

2013 bit some may not have recovered Oklahoma

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Smartphones als geo-ict tools

The disastrous earthquake in Haiti taught humanitarian groups an unexpected lesson: the power of mobile devices to coordinate, inform, and guide relief efforts.

 

Tags: technology, disasters, Haiti, TED.


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Tony Hall's curator insight, February 18, 2013 6:43 AM

This is why ICT is important. No. Vital! Our students need to see things like this so that they understand the positive aspects of technology. They need to see that SMS, Facebook & Twitter are so much more than just a way sharing silly photos of themselves. This technology has the power to affect real, positive change. 

techsavvygirl's curator insight, February 18, 2013 8:21 AM

Augmenting human potential with smartphones

Lorraine Chaffer's curator insight, April 23, 2016 4:11 AM
Responding to disasters and preparedness using technology
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Hoe 'crisis mapping' helpt bij hulpverlening in Nepal

Hoe 'crisis mapping' helpt bij hulpverlening in Nepal | aardrijkskunde | Scoop.it
A team of Nepalis, backed by groups around the world, are helping guide what aid is needed where by "crisis mapping" Nepal, reports Saira Asher.

 

Tags: Nepal, disasters, physical, tectonics, mapping, geospatial.


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LEONARDO WILD's curator insight, May 8, 2015 10:16 AM

Crisis are a symptom that something underneath the surface of normalcy is terribly wrong ... especially when we come to realize that everything is interconnected, even politics—worldwide.

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Online mapping helpt het Rode Kruis levens te redden in de Filipijnen

Online mapping helpt het Rode Kruis levens te redden in de Filipijnen | aardrijkskunde | Scoop.it
Volunteers across the world are building the digital infrastructure for the organization's Typhoon Haiyan relief efforts

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Seth Dixon's curator insight, November 12, 2013 2:28 PM

Want to see geographic knowledge and geospatial skills in action?  Crowd-sourced mapping is increasingly an important resource during an emergency.  Poorer places are often not as well mapped out by the commercial cartographic organizations and these are oftentimes the places that are hardest hit by natural disasters.  Relief agencies depend on mapping platforms to handle the logistics of administering aid and assessing the extent of the damage and rely on these crowd-sourced data sets.  Can you join in and help?


Tags: disasters, mappingPhilippines, STEM.

Tony Aguilar's curator insight, November 13, 2013 3:32 PM

online maps are being used to help locate the best way possible to help transport food and resources to those most in need. They van locate bridges and the world is pulling together with tehcnolgy and accurate maps to help the  American red Cross maximize in time and manpower. It seems that after Hurricane Katrina and the Earthquakes in Haiti and Japan, We have been improving our strategies for how to best help people around the globe come together put our time energy and resources together to best help people whose lives have been devasted and crushed by the forces of mother nature.

 

Tracy Galvin's curator insight, May 3, 2014 7:14 PM

Having a map of the current landscape, after the typhoon will speed up relief and rescue efforts by showing areas to land and set up help stations. The digital world is immediate now and this will change how organizations such as the Red Cross provide relief to suffering people.

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Overstroomde Elbe in Wittenberg

Overstroomde Elbe in Wittenberg | aardrijkskunde | Scoop.it

De ergste overstromingen sinds de Middeleeuwen voor delen van Duitsland.


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Seth Dixon's curator insight, June 12, 2013 2:25 PM

If you having been following the news lately, central European countries such as Germany and Poland are experiencing major flooding right now.  Compare this image above to one where the Elbe isn't flooding and you'll quickly be able to visualize extent of the flooding.


Tags: Germany, remote sensing, disasters, environment, geospatial.

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2 auto's in een sinkhole

2 auto's in een sinkhole | aardrijkskunde | Scoop.it

State Highway 89 stortte voor een deel in. Aarde in beweging!


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Louis Culotta's comment, February 21, 2013 2:49 PM
it looks like some of the pictures of the roads I took after the earthquake in new Zealand .
megan b clement's comment, December 16, 2013 12:28 AM
A 150 yard piece of highway 89 had collapsed at 5 am. Two cars were traveling on the highway at the time. They have called scientists and geologists to the site where it happened so they can explain exactly what happened. The video is crazy of the road collapsed it literally dropped about six+ feet.
Jacqueline Landry's curator insight, December 17, 2013 3:14 PM

I am curious to see what the geologists reasoning for this to happen.  when I drive I assuming the roads I take are safe but this goes to show you you never know what will happen. And the news reporter said it was still going down. Glad everyone involved made it out safe.