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Fires in Central and Southern Africa
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Published July 30, 2002
Fire scars and smoke plumes result from biomass burning in the savannas of southern Democratic Republic of Congo. Astronauts aboard the International Space Station observed the seasonal increase in savanna burning, which traditionally peaks in June in southern Democratic Republic of Congo.
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Summit Crater of Mauna Loa
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Published July 28, 2002
Mauna Loa is the largest volcano on our planet—the summit elevation is 4,170 m (over 13,600 ft), but the volcano’s summit rises 9 km above the sea floor. The sharp features of the summit caldera and lava flows that drain outward from the summit are tribute to the fact that Mauna Loa is one of the Earth’s most active volcanoes. The most recent eruption was in 1984. The straight line the cuts through the center of the crater from top to bottom is a rift zone—an area that pulls apart as magma reaches the surface.
Imperial Valley and Salton Sea, California
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Published July 7, 2002
Pacific NW—Washington, Vancouver Island
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Published June 30, 2002
his cloudless view of northwestern Washington and southeastern British Columbia is a study in varied land-use patterns: the forested Olympic Peninsula and Cascade Range contrast with the wheatlands of the drier east side of the mountains. The checkerboard pattern of clearcut forest is accented by snow in the range east of Seattle. Major cities and seaports of the Pacific Northwest—Seattle, Tacoma and Vancouver—take advantage of the deep, sheltered channels.
New Cornelia Mine, Arizona
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Published June 23, 2002
Although this photograph may appear to be a small pit mine as seen from the air, it is actually a pit mine that is about a mile wide and just over a thousand feet deep as photographed by astronauts orbiting the Earth on board the International Space Station. The New Cornelia Mine is located just south of Ajo, Arizona. Small-scale mining of copper in this area began with the Spaniards and Mexicans as early as 1750. This large-scale, systematic operation began in 1912 and expanded rapidly for the next 50 years. Since the mid 1980s, activity has been limited because of low prices for copper on the world market. Note the tailings deposits to the east (right) and the larger containment ponds for extraction processes to the northeast.
Rocky Mountain Fires
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Published June 21, 2002
This photograph taken by the new International Space Station crew on June 18, 2002, shows the eastern flank of the Hayman Fire burning in the foothills southwest of Denver.
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Published June 20, 2002
This photograph taken by the new International Space Station crew on June 18, 2002, shows the Hayman Fire burning in the foothills southwest of Denver.
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Wolf and Copper Fires Near Los Angeles
Published June 15, 2002
This photograph taken from the International Space Station on June 7, 2002, shows the Copper Fire burning in the hills outside Los Angeles.
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This photograph taken from the International Space Station on June 7, 2002, shows the Wolf and Copper Fires burning in the hills outside Los Angeles.
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Saharan Dust over Senegal
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Published June 9, 2002
Airborne African dust regularly reaches northeastern South America and the Caribbean. Westward dust transport from the Sahara across the central Atlantic has been a common occurrence this spring, with major events visible in both satellite images and photographs. Cap Vert, the westernmost point of Senegal, is dimly visible beneath the dust mass (center); the Arquipélago dos Bijagós in Guinea Bissau lies opposite the mouth of the sediment-laden Rio Corubal.
Bullock Fire
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Published June 4, 2002
This image of the Bullock Fire was taken by the crew of the International Space Station using a digital camera on May 23, 2002, two days after the fire began. By May 25, fighting the fire was listed as the top national priority.
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San Francisco Bay
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Published May 26, 2002
Astronauts aboard the International Space Station (ISS) took this photograph of the San Francisco Bay area in April, 2002. The gray urban footprint of San Francisco, Oakland, San Jose, and their surrounding suburbs contrast strongly with the green hillsides. Of particular note are the Pacific Ocean water patterns that are highlighted in the sun glint. Sets of internal waves traveling east impinge on the coastline south of San Francisco. At the same time, fresher bay water flows out from the bay beneath the Golden Gate Bridge, creating a large plume traveling westward. Tidal current channels suggest the tidal flow deep in thebay. Because the ISS orbits are not synchronous with the sun, astronauts view the Earth with variable solar illumination angles. This allows them to document phenomena such as the sun reflecting differentially off surface waters in a way that outlines complicated water structures.