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Dust storm in Tengger Desert, northcentral China
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Published February 18, 2006
A massive dust storm rages across the Tengger Desert in this image of north-central China. This desert region, measuring about 36,700 square kilometers (14,000 square miles), and is located south of the border with Mongolia, to the southeast of and adjacent to the much larger Gobi Desert. Tennger, unlike the Gobi...
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Phytoplankton bloom off Chile
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Published February 17, 2006
A phytoplankton bloom creates a vibrant blue cloud off of the coast of Chile. Phytoplankton are tiny, microscopic plants that form the base of the food web in marine ecosystems; they are consumed by zooplankton, or microscopic animals, which in turn are eaten by variety of fish, whales, and birds. Often blooms such as this one...
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The River Plate
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Published February 16, 2006
The broad delta visible in this image is formed by the River Plate, at the confluence of the rivers Uruguay and Parana in the Southeastern portion of South America. The River Plate (“Rio de la Plata” or River of Silver in Spanish), is the widest river in the world, stretching 220 kilometers...
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Dust storm in Iraq and Syria
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Published February 13, 2006
A large dust storm was blowing over and obscuring the Tigris and Euphrates rivers when this image was acquired on February 9, 2006. Both rivers originate in Turkey and flow through Syria (the country in the upper left corner of the image) into Iraq; the Tigris is on the right (East) side of the image. A large reservoir...
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Dust storm in Egypt
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Published February 11, 2006
A massive dust storm obscures the Nile River Valley and Delta in this image acquired on February 8, 2006. Westerly winds are kicking up dust, perhaps from the Qattara Depression (just below and to the left of the approximate center of the image), one of the largest sources of dust on the planet. A series of dry lakebeds are located...
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Haze across Northern India
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Published February 9, 2006
The Himalayas provide an effective barrier to the spread of haze in this image of Northern India. Haze is a generic term for visible air pollution, and can consist of dust, smoke, and other particulate matter. The Tibetan plain (in the upper right corner of the image, above the snow-capped mountains)...
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Yucatan Peninsula
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Published February 8, 2006
Phytoplankton, mixed in with sediment and other organic matter, show up as blue-green swirls along the coastal margin of the Yucatan Peninsula in this image acquired on February 5, 2006. A very large barrier reef is visible off of the eastern coast of the peninsula, running north and south along the right side of the image. Second only to Australia's Great Barrier Reef...
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Cloud streets along the Alaska Peninsula
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Published February 4, 2006
The striking patterns visible in this image are called “cloud streets”. Cloud streets are a regular feature of the middle and high latitudes; these are located along the Alaska Peninsula, just south of Anchorage. Cloud streets form when...
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Eruption of Augustine Volcano, Alaska
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Published February 2, 2006
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The Augustine Volcano was continuing to erupt, spewing ash, steam, and gases high into the atmosphere, when this image was acquired on January 30, 2006. The eruption began on Friday, January 27. The volcano is located on an uninhabited island
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