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Danube River flooding near Vac, Hungary
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Published August 31, 2002
These images showing some of the devastating European flooding around the Danube Bend area just north of Budapest near the city of Vác, Hungary.
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Contrail Web over the Central Rhône Valley, Eastern France
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Published August 18, 2002
This digital photograph taken through the windows of the International Space Station on May 15, 2002, shows condensation trails over the Rhône Valley in the region west of Lyon. Condensation trails—or contrails—are straight lines of ice crystals that form in the wake of jet liners where air temperatures at altitude are lower than about 40°C. Newer contrails are thin whereas older trails have widened with time as a result of light winds. Because of this tendency for thin contrails to cover greater areas with time, it is estimated that these “artificial clouds” cover 0.1% of the planet”s surface. Percentages are far higher in some places such as southern California, the Ohio River Valley and parts of Europe, as illustrated here.
Fernandina Island, Galapagos
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Published August 11, 2002
La Cumbre volcano on Fernandina Island is the most active volcano on the Galapagos, erupting most recently in 1995. The volcano rises 1495 m from sea level. This photo was taken by the Expedition 5 crew aboard the International Space Station. The scene provides a detailed view of the 850-m-deep summit caldera. The dark flows in the middle of the caldera floor were erupted in 1991. Today, these flows are partly covered by dark green vegetation.
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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