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Petroleum Infrastructure, Denver City, Texas
Published September 8, 2002
Agriculture and the petroleum industry compete for land use near Denver City, Texas, southwest of Lubbock near the New Mexico border. The economy of this region is almost completely dependent on its underground resources of petroleum and water. Both resources result in distinctive land use patterns visible from space. Historically this area has produced vast quantities of oil and gas since development began in the 1930s. Note the fine, light-colored grid of roads and pipelines connecting well sites over this portion of the Wasson Oil Field, one of the state’s most productive. Since the 1940s, agricultural land use has shifted from grazing to irrigated cultivation of cotton, sorghum, wheat, hay, and corn. The water supply is drawn from wells tapping the vast, but failing, Ogallala Aquifer. Note the large, circular center-pivot irrigation systems in the lower corners of the image. The largest is nearly a mile in diameter.
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Danube River flooding near Vac, Hungary
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
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
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.
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Fires in Central and Southern Africa
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
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.
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Salt Ponds, South San Francisco Bay
Published July 21, 2002
The red and green colors of the salt ponds in South San Francisco Bay are brilliant visual markers for astronauts. The STS-111 crew photographed the bay south of the San Mateo bridge in June, 2002.
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Pacific NW—Washington, Vancouver Island
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.
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New Cornelia Mine, Arizona
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.
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Rocky Mountain Fires
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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Plantation forestry harvesting near Tokoroa , New Zealand
Published June 16, 2002
Forests are being harvested near Tokoroa, New Zealand, which has been described as the hub of New Zealand’s forestry industry. The large tan areas are cleared forests. The land use pattern that looks like tan beads on a string are clearings used to stock timber before it is sent to pulp and paper mills about 4 kilometers south of Tokoroa. The light green areas around the town are dairy farms.
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