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What is a Hotspot?

1) What is a hotspot? A volcanic "hotspot" is an area in the upper mantle from which heat rises in a plume from deep in the Earth. High heat and lower pressure at the base of the mantle facilitates melting of the rock. This melt, called magma, rises through cracks to the surface and forms volcanoes. As the tectonic plate moves over the stationary hot spot, the volcanoes are rafted away and new ones form in their place.


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Al Picozzi's curator insight, December 5, 2013 5:10 PM

Never really understood how island chains were made until now.  As the plate moves the iland is no longer growing and it begins to erode as a new island is created for the hotspot doesn't move the plate does.  That explains why the island of Hawaii is the largest island in the Hawaiian Island Chain..it is the yourgest island and the one the is currently under the hotspot...until it moves along the plate..which I do not believe will be in anyones life time.  It also helps explain how atolls were formed.  The plate moved so the island was no longer growing and though erosion of hundreds of thousands of years the center of the large island is gone while the ring is being supported by a coral reef.  Great site that really makes it easy to understand.

Nathan Chasse's curator insight, April 13, 2:09 PM

This video explains the geology of hotspots which are how many of the islands in the Pacific Ocean are formed. Convection of solid, hot material rises to the tectonic plate where it is trapped, heating the rock above to its melting point. The heat then forces the molten rock to the surface where it cools and creates volcanoes. Over millions of years, the tectonic plate drifts, but the hot spot does not, causing a series of volcanoes on the surface. The Hawaiian Islands were formed by this process, which is why the islands progress from large to small, with the smallest islands being the oldest, in the process of eroding completely away.

Jessica Rieman's curator insight, April 23, 6:23 PM

This video entails that mantel and where a hotspot for a volcanic eruption will take place. This video depicts the way at which a hot spot is located and what makes it erupt and cause an eruption in the firt place. It goes step by step ways to see the many different forms of volcanoes and where they start and end up at.

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The Science of Earthquakes

The Science of Earthquakes | landscape ecology | Scoop.it
From fault types to the Ring of Fire to hydraulic fracking, the Earthquakes infographic by Weather Underground helps us understand the complexities of what shakes the ground.

 

Tags: disasters, geomorphology, physical, infographic.


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ManufacturingStories's curator insight, October 29, 11:03 AM

For more resources on STEM Education visit http://bit.ly/1640Tbl

Adilson Camacho's curator insight, November 2, 1:46 PM

adicionar a sua visão ...

Mr. Twining's curator insight, November 25, 3:58 PM

Infographic for teaching about the science behind earthquakes.

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Guide to Earth Explorer for Landsat 8

Guide to Earth Explorer for Landsat 8 | landscape ecology | Scoop.it

The Landsat Data Continuity Mission is now Landsat 8, and that means images are now public (woohoo!). NASA handed control of the satellite to the USGS earlier this year (May 30, 2013), and calibrated imagery is available through the Earth Explorer. Unfortunately, the Earth Explorer interface is a bit of a pain, so I’ve put together a guide to make it easier.


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Seth Dixon's curator insight, November 7, 2013 1:32 PM

If you have been afraid to download remotely sensed images, this is a very-user friendly, step-by-step guide on how to download Landsat 8 data (and many other geospatial datasets)  using Earth Explorer from USGS.  


Tagsremote sensing, geospatial.

Sharrock's curator insight, November 7, 2013 1:36 PM

Looks like a cool tool for mapping activities.

Chris Cividino's curator insight, November 8, 2013 12:09 AM

The Landsat program is an essential tool for geographers when they are studying GIS. Without this data, Google Earth and many of the other mapping programs we love so much would not be possible.

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Rising Seas: If All The Ice Melted

Rising Seas: If All The Ice Melted | landscape ecology | Scoop.it
Explore the world’s new coastlines if sea level rises 216 feet.

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Brian Hammerstix's curator insight, November 23, 2013 7:29 PM

#stopburningfossilfuels or #goodbyeflorida

Steven Flis's curator insight, December 16, 2013 1:15 PM

Aside from the mass devastation i think it would be pretty cool of all the ice melted. As the interactive map shows there would be in inland sea in australia which i can turn into the AUs great lakes. Also imagine the possiblility of being able to take a vacation to antartica and not having to dress for absurdly negative tempatures, all the undiscovered land and preservated fossils. It would be a interestling link to the past that only in the future we could experience.

Mrs. K's curator insight, August 27, 7:20 AM

Would Belgium be covered in water if all the ice melted?

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Weather Graphs and Maps

Weather Graphs and Maps | landscape ecology | Scoop.it
WeatherSpark: beautiful weather graphs and maps making in-depth weather information easily accessible.

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Jose Sepulveda's comment, July 4, 2013 12:07 PM
Nice class material
Louis Culotta's curator insight, July 7, 2013 6:44 AM

Thiis s some great information on weather stats and tracking storms statistics and seasonal trends of general weather events.Thanks

David Madrid's curator insight, July 25, 2013 8:33 PM

Graficos y clima juntos

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Stop Urbanization, Stop the loot of Nature ...

Stop Urbanization, Stop the loot of Nature ... | landscape ecology | Scoop.it
Stop Urbanization, Stop the loot of Nature ...फेसबुक उत्तराखंडLike This Page · 16 hours ago  (Stop Urbanization, Stop the loot of Nature ...
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Crazy ants invade Texas, threaten Southeast U.S. ecosystem - NBC12.com - Richmond, VA News

Crazy ants invade Texas, threaten Southeast U.S. ecosystem - NBC12.com - Richmond, VA News | landscape ecology | Scoop.it
A destructive, invasive species of South American ant is wreaking havoc on South Texas and have spread to four other Gulf Coast states. They are, as of now, all but uncontrollable.
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SHFT | How to Save a Marine Ecosystem

SHFT | How to Save a Marine Ecosystem | landscape ecology | Scoop.it
By promoting anchovy as a delicacy, rather than just farm food, Peru looks to secure a sustainable fishery (RT @Oceana: RT @shft: How do you Save a Marine Ecosystem?
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As coast erodes, names wiped off the map

As coast erodes, names wiped off the map | landscape ecology | Scoop.it
For decades, south Louisiana residents have watched coastal landmarks disappear as erosion worsened and the Gulf of Mexico marched steadily inward.

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Sylvain Rotillon's comment, May 9, 2013 2:57 PM
The eprverse effect of maps is that they give the false idea that our physical world is steady. It's the case as we see here for coastal environments, but also for rivers.
Ryan G Soares's curator insight, December 3, 2013 11:12 AM

I find it quite facinating how the world changes. Some of the worlds most beautiful things may not be here 30 years from now. It is quite humbling that things that man builds can be taken away by Mother Nature. As the years pass the memories made will be vanished by the environment.

Hector Alonzo's curator insight, October 14, 11:40 PM

Interesting how the physical landscape of one country can be effected by the surrounding water that connects two different countries. To have some areas of Louisiana be overtaken by the Gulf of Mexico is astounding, seeing an area that has stayed relatively the same be wiped off the map is interesting

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Bangladesh: Climate change, urbanization threatens drinking water supply - Asian Correspondent

Bangladesh: Climate change, urbanization threatens drinking water supply - Asian Correspondent | landscape ecology | Scoop.it
Bangladesh: Climate change, urbanization threatens drinking water supply
Asian Correspondent
Bangladesh: Climate change, urbanization threatens drinking water supply. By Graham Land May 08, 2013 9:27PM UTC.
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Diminishing snow cover is endangering fragile ecosystem - Columbus Dispatch

Diminishing snow cover is endangering fragile ecosystem - Columbus Dispatch | landscape ecology | Scoop.it
French Tribune Diminishing snow cover is endangering fragile ecosystem Columbus Dispatch Scientists at the University of Wisconsin, Madison have looked into the research of this ecosystem of creeping voles, frozen frogs and growing plant life and...
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ArcGIS Enables Real-Time GIS | ArcNews

ArcGIS Enables Real-Time GIS | ArcNews | landscape ecology | Scoop.it
ArcGIS GeoEvent Processor is a new extension for ArcGIS for Server that lets you display and work with real-time data and geofencing workflows.
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How to Read a (Good) Map

How to Read a (Good) Map | landscape ecology | Scoop.it

"Just as you shouldn’t trust everything you read or see on television, you should never blindly trust information just because it is on a map. All maps posit arguments. Maps present information about how something is. All maps posit arguments. Maps present information about how something is. Just as there are no unbiased arguments, there are no unbiased maps."


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John Slifko's curator insight, November 23, 2013 5:09 PM

Map skills are vital in the study of democratic place and space. 

YEC Geo's curator insight, November 24, 2013 4:44 PM

Good advice.

Ignacio Garrido's curator insight, November 26, 2013 1:09 AM

Exercise 14 :

 

Read the news and answer the questions:

 

a.What is the news talking about ?

b. There are two maps.Maps that is down has these questions ( Answer them ) :

Who made the map?What is the purpose of the map? That is, what is the map attempting to communicate?Who is the intended audience? (It is important to remember that the map may not have been designed for you, but a more specialized audience.)Does the map effectively achieve its communication goals? Does it present an interesting story or argument?

c.Sum up the news ( five sentences in english )

d.Choose another map ( of Internert  if you want ) and answer the questions 1,2,3 i 4. Add the map.

 

Send by moodle.Good luck¡

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Why is Geography Education so Important?


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Seth Dixon's curator insight, November 9, 2013 7:05 PM

This commencement speech from the President of the American Geographical Society highlights the importance of geographic thought and geo-literacy for college graduates.  I share this because (to quote Summer Howarth), "geo-literacy isn't really optional." 

Jennifer Ryan's curator insight, November 10, 2013 5:09 PM

Love the question - if you read the articles some good stuff in there. Please share your opinions about Why Geography Matters

Rola Fahs's curator insight, November 13, 2013 10:04 AM

This is a good read for anyone who is going to be a social studies teacher. 

I am not sure that I would recommend this in my classroom but all teachers can benefit from this. 

He introduces geography as a way to connect with the world. Learning geography adds perspective and insight into the rest of the world. In geography we can pose thought provoking questions to students that gets them to start thinking differently than they do now. 

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The 'Underwater Waterfall' Illusion at Mauritius Island

The 'Underwater Waterfall' Illusion at Mauritius Island | landscape ecology | Scoop.it

"When viewed from above, a runoff of sand and silt creates the impression of an ‘underwater waterfall’, just off the coast of the island nation of Mauritius in the Indian Ocean."


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Kenny Dominguez's curator insight, September 26, 2013 11:19 AM

this look pretty nice i would like to go see it in person

Victoria McNamara's curator insight, December 12, 2013 1:36 PM

By looking at this picture you automatically think its a waterfall within the water. This image is actually just showing the mix of sand and silt deposits mixing together. The light to dark colors is what makes it look like a waterfall. 

Jess Deady's curator insight, May 4, 9:24 PM

Another spectacular sight. Of course, you will need a plane or helicopter to venture above it to see it, but this illusion is pretty nifty.

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Google-ITA Software deal: the travel ecosystem as Google now sees ...

Google says the acquisition of ITA Software will create a “new, easier way for users to find better flight information online” – predicting that more air tickets will be sold online as a result. The search (and travel?
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Dam construction to reduce greenhouse gases causes ecosystem ...

Dam construction to reduce greenhouse gases causes ecosystem ... | landscape ecology | Scoop.it
Dam construction to reduce greenhouse gases causes ecosystem disruption. college of engineering. 06/18/2013. The study this story is based on is available online: http://bit.ly/14XWxBu. CORVALLIS, Ore.
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The Gulf of Mexico Ecosystem: There’s a Map for That

The Gulf of Mexico Ecosystem: There’s a Map for That | landscape ecology | Scoop.it
Do you know the Gulf of Mexico? Do you really know the wildlife that lives in its waters or how we use its resources—for better or worse—to support our economy? I thought I had a grasp on this befo...
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Natural Resources Wales / Resilient Ecosystems Fund

Resilient Ecosystems Fund launched at Hay.
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Middle Earth: Why We Need to Turn Our Map on Its Side

Middle Earth: Why We Need to Turn Our Map on Its Side | landscape ecology | Scoop.it
Though he never actually crossed it, the Greek mathematician Pythagoras is sometimes credited with having first conceived of the Equator, calculating its location on the Earth’s sphere more than four centuries before the birth of Christ.

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Seth Dixon's curator insight, May 24, 2013 7:48 AM

This is an interesting article on some Earth-Sun relationships that challenges the dominant north-centered normative view of how to think about our planet.  My favorite tidbit of information: "The velocity of the Earth’s rotation varies depending on where you stand: 1,000 mph at the Equator versus almost zero at the poles. That means that the fastest sunrises and sunsets on the planet occur on the Equator, and centrifugal and inertial forces are also much greater there. "

Mike Busarello's Digital Storybooks's comment, May 24, 2013 11:09 AM
Great article to include in our summer assignment packet!
Steven Flis's curator insight, December 17, 2013 3:42 PM

Definitly changed my way of thinking. also this brings up the many flaws with pre geospatial desinged maps. cartographers could push their own agenda to make their country or area look more promient than it actually is. also another prime example of something that has been taken as fact for many years (nobody questions a world map) and turns out to have some flaws

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Why GIS Didn't Help with the Boston Marathon Bombings - DirectionsMag.com

Why GIS Didn't Help with the Boston Marathon Bombings - DirectionsMag.com | landscape ecology | Scoop.it
Why GIS Didn't Help with the Boston Marathon Bombings
DirectionsMag.com
Geographic Information Systems (GIS): Every law enforcement and homeland security agency has GIS tools.
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Diminishing snow cover is endangering fragile ecosystem, study finds - Mankato Free Press

Diminishing snow cover is endangering fragile ecosystem, study finds - Mankato Free Press | landscape ecology | Scoop.it
Diminishing snow cover is endangering fragile ecosystem, study finds Mankato Free Press Scientists at the University of Wisconsin, Madison have looked into the research of this ecosystem of creeping voles, frozen frogs and growing plant life and...
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The Bottom Line: Embracing Ecosystem-based Fisheries Management - Huffington Post

The Bottom Line: Embracing Ecosystem-based Fisheries Management - Huffington Post | landscape ecology | Scoop.it
Huffington Post
The Bottom Line: Embracing Ecosystem-based Fisheries Management
Huffington Post
This was strong progress. Unfortunately, domestic overfishing soon replaced the overexploitation by foreign vessels.
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Diminishing snow cover is hurting ecosystem - Today's TMJ4

Diminishing snow cover is hurting ecosystem - Today's TMJ4 | landscape ecology | Scoop.it
Nature World News
Diminishing snow cover is hurting ecosystem
Today's TMJ4
"The loss has the potential to greatly affect the ecosystems beneath these blankets of insulation," Bergquist writes.
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