Start Date: End Date: Published Date Data Date
Inland Niger Delta, Mali
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Published November 23, 2007
In the middle of Mali, part of the landscape gleams like a giant emerald in the otherwise arid brown African Sahel. The gleaming jewel is the Inland Niger Delta.
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Phytoplankton Bloom off Namibia
Published November 22, 2007
A flash of blue and green lit the waters off Namibia in early November 2007 as a phytoplankton bloom grew and faded in the Atlantic Ocean. The bloom stretches from north to south along hundreds of kilometers, though it is brightest in the center of this image. Such blooms are common in the coastal waters off southwest Africa where cold, nutrient-rich currents sweep north from Antarctica and interact with the coastal shelf. At the same time, the easterly trade winds push surface water away from the shore, allowing water from the ocean’s floor to rise to the surface, bringing with it iron and other material. The suffusion of nutrients from both the currents and upwelling water creates an environment where tiny surface-dwelling ocean plants (phytoplankton) thrive.
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Plume from Jebel at Tair
Published November 21, 2007
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Two Decades of Temperature Change in Antarctica
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Plume from Soufriere Hills
Published November 20, 2007
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Cyclone Sidr Floods Bangladesh
Haze over Southern California
Published November 19, 2007
Visible evidence of poor air quality appeared in satellite imagery of California on November 18, 2007.
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Mazatlan, Mexico
Mazatlán is Mexico’s largest port, situated on one of the best estuaries (bottom center of image) on Mexico’s Pacific coast. The city appears as a series of light-toned geometric blocks covering the center of this astronaut photograph. The image also shows the docks and naval yards that line the north side of the estuary. Mazatlán (population 352,000 in 2005) is growing northward from the downtown peninsula, with tourist beaches backed by hotels, and a marina and golf courses just beyond. No city growth yet appears on the south side of the estuary, where narrow rectangles of farm land can be seen.
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Prince Olav Coast, Antarctica
Published November 18, 2007
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Lush Vegetation Fuels Locust Outbreak in Sudan
Published November 17, 2007
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Earthquake in Chile
Published November 16, 2007
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Tropical Cyclone Sidr
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