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ChangeMatters :: Using Landsat Imagery to Map Change

Bryan Krouse's insight:

Use for phys. geo. class

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NASA - Portrait of Global Aerosols

NASA - Portrait of Global Aerosols | Physical Geography News | Scoop.it
High-resolution global atmospheric modeling run on the Discover supercomputer at the NASA Center for Climate Simulation at Goddard Space Flight Center, Greenbelt, Md., provides a unique tool to study the role of weather in Earth's climate system.
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Central pressure in a hurricane: Why it's so important (Saffir Simpson scale)

Central pressure in a hurricane: Why it's so important (Saffir Simpson scale) | Physical Geography News | Scoop.it
                        "Alex" about an hour after...
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Earth's City Lights

Earth's City Lights | Physical Geography News | Scoop.it
NASA's Visible Earth catalog of NASA images and animations of our home planet...

 

This classic image is full of classroom applications.  The first impulse of most students is to note that this image will show us where people live, where the cities are or some other comment that speaks to the magnitude of the population in the white areas.  Let them analyze this for more time, and they'll notice that population isn't the whole story of this image.  A place like India shines, but less brightly than the eastern part of the United States.  I like to point out that South Korea appears to be an island (because North Korea is literally blacked out).  Politics, development, affluence and population information are all embedded in this image.  As with all maps, the more information you have about the place in question (in this case, Earth), the more meaningful information you can extract out of the map. 

 

Tags: remote sensing, worldwide, consumption, poverty, population, spatial, political, regions.


Via Seth Dixon
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Matt Mallinson's comment, September 18, 2012 12:35 PM
This image is pretty amazing to see. It shows what parts of the world are more modernized just by the lights seen from space. Looking at the U.S. and Europe, they are lit up very bright because they are richer parts of the world. As you look at places like Africa and some parts of South America, they are shown in darkness due to poorer areas in those regions.
Michelle Carvajal's comment, September 18, 2012 6:07 PM
I was impressed with the explanation of this picture especially for the simple fact that I thought it was a picture that depicted the population of certain areas of each country. Places like Africa, Brazil, areas of Mexico, and Southern US are not lit because of the areas of forest, desert and less population. Very nice picture. -Michelle Carvajal-
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100 years of earthquakes

100 years of earthquakes | Physical Geography News | Scoop.it
This map of all the world's recorded earthquakes between 1898 and 2003 is stunning. As you might expect, it also creates a brilliant outline of the plates of the Earth's crust—especially the infamous "Ring of Fire" around the Pacific Plate.
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Has global warming stopped? No - it’s just on pause, insist scientists, and it's down to the oceans

Has global warming stopped? No - it’s just on pause, insist scientists, and it's down to the oceans | Physical Geography News | Scoop.it
Huge amounts of heat – equivalent to the power of 150 billion electric kettles – are being continuously absorbed by the deep ocean, which could explain why global warming has “paused” over the past 10 to 15 years, scientists have concluded in a...
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When tornados strike, which way do they travel?

When tornados strike, which way do they travel? | Physical Geography News | Scoop.it
These gorgeous maps have the answer. Created by datavisualization expert John Nelson, these "Tornado Travel Maps" depict the relative proportion of more than 60 years of U.S. tornadoes by their direction of travel.
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Hurricane and Cyclone Map

This interactive map allows you to view continuously updated hurricane information. You can track specific hurricanes and see their projected path.
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Real-time Earthquake Map

Real-time Earthquake Map | Physical Geography News | Scoop.it
USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards...
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