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Key West
Published November 3, 2002
Turquoise blue waters, coral reefs and sandy beaches were apparently on the minds of International Space Station astronauts last week. As they passed over the Florida Keys, they acquired a sequence of images from Key West eastward along the outer keys. The detail of the images showcases the clarity of the Caribbean waters, and allows for mapping of both land use and shallow marine features. This image of Key West shows the intensive built-up area of the town, the offshore sand flats and grassbeds surrounding Key West, the patterns of natural tidal channels and artificially dredged channels that allow boat access to the local marinas.
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Space Shuttle view after Kolka Glacier Collapse
Published October 27, 2002
While docked to the Space Station the international crew of Space Shuttle Mission STS-112 paused as the spacecraft sped over the Caucasus Range. They had planned before launch that a crewmember would look out the windows of the spacecraft for remnants of the disastrous collapse of Kolka Glacier. The close collaboration between the USA and Russia on all aspects of Space Station construction, and the presence on the Shuttle crew of Russian mission specialist Fyodor Yurchikhin, made the crew particularly interested in photographing the area to help scientists on the ground in their studies of the collapse. There is a dramatic difference between this digital photograph taken by the Shuttle crew and one taken just a week before the collapse by the International Space Station crew.
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Sangeang Api, Indonesia
Published October 20, 2002
In 1985, the small Indonesian island of Sangeang Api (13 kilometers wide) off the northeast coast of Sumbawa began to erupt. Within a month, the 1250 inhabitants had evacuated to Sumbawa. The eruption lasted until 1988. The lava and pyroclastic flows—the wide channel running west from the summit—are still easily traced on this image taken by Space Shuttle astronauts in 2002. Today, the island’s summit crater (1949 m) produces intermittent steam clouds.
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Easter Island
Published October 6, 2002
On September 25, 2002, astronauts aboard the International Space Station viewed Easter Island, one of the most remote locations on Earth. Easter Island is more than 2000 miles from the closest populations on Tahiti and Chile—even more remote than astronauts orbiting at 210 nautical miles above the Earth. Archaeologists believe the island was discovered and colonized by Polynesians at about 400 AD. Subsequently, a unique culture developed. The human population grew to levels that could not be sustained by the island. A civil war resulted, and the island’s deforestation and ecosystem collapse was nearly complete.
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Mount Kazbek, Caucasus, Russia
Published September 29, 2002
This photograph of Mt. Kazbek was taken from the International Space Station on August 13, 2002. The astronauts and cosmonauts took the photograph at the request of the Russian URAGAN project, which is studying changes in the world’s glaciers in response to global climate change. Although scientists have predicted the possibility of large glacial collapses as the climate warms, no one predicted that tragedy would strike the mountain village of Karmadon, a little more than a month later.
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Russian Kolka Glacier Collapses
Published September 25, 2002
This photograph of Mt. Kazbek was taken from the International Space Station on August 13, 2002. The astronauts and cosmonauts took the photograph at the request of the Russian URAGAN Project, which is studying changes in the world’s glaciers in response to global climate change. Although scientists have predicted the possibility of large glacial collapses as the climate warms, no one predicted that tragedy would strike the mountain village of Karmadon, a little more than a month later.
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A Star of Japan, Hakodate City
Published September 22, 2002
Hakodate City is a seaport located on two bays in the Oshima Peninsula near the south end of the major Japanese island of Hokkaido. This image nicely illustrates how sunglint reflecting off the ocean reveals internal waves impinging on the coast. Also, from space, Hakodate is quite distinguished from other cities of it size, featuring a large five-pointed star near it center.
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Kanaga Volcano, Alaska
Published September 15, 2002
The symmetrical cone of Kanaga volcano stands out on the northern corner of Kanaga Island, located in the central part of Alaska’s Aleutian archipelago. Kanaga last erupted in 1994 and is well known for its active fumaroles and hot springs (located, in this image, by fine steam plumes on the northeast flank of the volcano). A small lake to the southeast of the cone is situated on the floor of a larger more ancient volcanic caldera. The crew of the international space station acquired this image late in the day of August 13, 2002. Note how the late summer sun accentuates the terrain features like the volcanic flows that radiate down from the volcano’s peak, and the steep cliffs along the western coastline.
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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.
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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