Start Date: End Date: Published Date Data Date
Cold and Snow
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Published December 30, 2007
Snow cover and land temperature are connected, but one does not necessarily cause the other. Snow certainly influences how hot or cold the land feels to the touch, and land temperature influences whether or not snow remains on the ground or melts away. But the most obvious global pattern these images demonstrate is not the effect of temperature and snow cover on each other, but the effect of latitude and elevation on each.
Related images:
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Burn Scars on Kangaroo Island
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Published December 29, 2007
By late December 2007, parts of South Australia’s Kangaroo Island were left in cinders, thanks to wildfires earlier that month.
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Mining Permits across West Virginia
Published December 28, 2007
Mountaintop removal mining dramatically changes the topography across thousands of acres. Mountaintop removal mining alters this topography by reducing the elevation of the ridge lines, flattening out the steep slopes, and also by filling in hollows and stream beds with the excess rock and dirt that once topped the mountains.
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Dust over the Gulf of California
Published December 27, 2007
Dust blew southward over the Gulf of California on December 25, 2007.
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Phytoplankton off the Coast of Argentina
Iridescent shades of peacock blue and emerald green decorated the South Atlantic Ocean off the coast of Argentina on December 24, 2007. Though hundreds of kilometers in length, these bright bands of color were formed by miniscule objects—tiny surface-dwelling ocean plants known as phytoplankton.
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Kangaroo Island Bushfires
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Fires in central Africa
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Mount Ruapehu Lake Temperature
These images show Mount Ruapehu on the North Island of New Zealand and its summit lake, observed by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite. The first image is a simulated true-color image taken on January 12, 2001. The series of thermal infrared images show maps of the lake temperature over time, showing times of enhanced volcanism.
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Burn scars on Kangaroo Island, South Australia (false color)
Published December 26, 2007
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A Perfect (Dust) Storm
In April 2001, researchers watched with surprise as dust from an Asian storm crossed the Pacific and reached the eastern United States.
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Dust storm over the Gulf of California
Published December 25, 2007
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Complex Clouds off Ireland
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