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African Dust Blows over the Caribbean
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Published September 9, 2001
Shuttle astronauts frequently track Saharan dust storms as they blow from north Africa across the Atlantic Ocean. Dust palls blowing from Africa take about a week to cross the Atlantic. Recently, researchers have linked Saharan dust to coral disease, allergic reactions in humans, and red tides. The top photograph, a classic image showing African dust over the Caribbean, was taken at a time when few scientists had considered the possibility. The image was taken by Space Shuttle astronauts on July 11, 1994. This photograph looks southwest over the northern edge of a large trans-Atlantic dust plume that blew off the Sahara desert in Africa. In this view, Caicos Island in the Bahamas and the mountainous spines of Haiti are partly obscured by the dust. Closer to the foreground, (about 26 degrees north latitude), the skies are clear.
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California Wildfires as Seen From the Space Shuttle
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Published September 2, 2001
An astronaut on the Space Shuttle photographed several wildfires burning in California in August 2001.
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Klamath Basin, California-Oregon
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Published August 19, 2001
The Klamath Basin, on the California-Oregon border, had been in the news because of water shortages due to the drought in the United States’ Pacific Northwest. Diverse interest groups have come into conflict over the limited availability of Klamath Project water. In order to protect endangered Sucker Fish and threatened Coho Salmon in Upper Klamath Lake, the U.S. Bureau of Reclamation cut off the flow of irrigation water to farmers in the project in April 2001.
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Mayon Volcano, Southeast Luzon, Philippines
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Published July 15, 2001
Mayon volcano is the most active volcano in the Philippines, located just north of the coastal town of Legaspi in southern Luzon about 325 km southeast of Manila. Mayon is a near-perfect cone; its steep, forested slopes look rather like a bulls eye when viewed from above.
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Vail, Colorado
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Published June 24, 2001
The snow-covered ski runs of Vail, Colorado, look like white ribbons in contrast to the dark green forests of the Rocky Mountains. This detailed image is part of a larger view of area ski resorts photographed by the STS-100 Space Shuttle crew in April, 2001.
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Mount Ararat (Agri Dagi), Turkey
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Published June 17, 2001
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Mount Ararat (16,940 feet; 5165 meters) is the largest volcano in Turkey. Although not currently active, its most recent eruption has probably been within the last 10,000 years. It is located in extreme northeastern Turkey, near the borders with Iran and Armenia. Southwest of the main peak lies Little Ararat (12,877 feet; 3896 meters). Ahora Gorge is a northeast-trending chasm dropping 6000 feet from the top of the mountain and was the focus of a major earthquake in 1840. A number of claims by different explorers to have found remnants of Noah’s Ark on Mt. Ararat have led to continuing expeditions to the mountain, many of which have focused their searches on the gorge area.
Egypt’s North Sinai Agricultural Development
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Published June 10, 2001
This time series of photographs of the Mediterranean coast near the Suez Canal shows ten years of changes associated with two of Egypt’s “Mega” Development Projects. At the mouth of the canal, a large auxiliary channel has been formed as part of a new central hub port and industrial zone, known as the East Port-Said Project. Further south, the effects of the Al-Salam (El Salam or “Peace”) Canal and North Sinai Agricultural Development Program can be seen as desert is converted to irrigated agriculture.
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