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Lake Maracaibo Duck Weed
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Published September 6, 2004
Venezuela’s Lake Maracaibo presents a complicated surface to interpret. Oil platforms and other infrastructure supporting the oil industry generate oil slicks, heavy ship traffic produces linear ship wakes, and vivid green streaks and swirls are patches of duck weed growth that has thrived on the lake.
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Hurricane Frances
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Published August 31, 2004
This image of Hurricane Frances was acquired by the crew of the International Space Station early on August 30 as the storm was moving westward some 265 miles east-northeast of the northern Windward Islands.
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Published August 30, 2004
This photo of Hurricane Frances was taken by Astronaut Mike Fincke aboard the International Space Station as he flew 230 statute miles above the storm at about 9 a.m. CDT Friday, Aug. 27, 2004.
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Lake Chapala, Mexico
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Astronauts aboard the Space Shuttle and Space Station have tracked regional environmental changes spanning decades. Lake Chapala, Mexico’s largest lake, serves as one example of an area experiencing significant changes that have been well documented from space. Over the past twenty years, the lake’s water levels have decreased in conjunction with increasing development from the fast-growing city of Guadalajara.
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Yellow River Delta
Published August 23, 2004
The Yellow River Delta coastline along the Gulf of Bohai has always experienced dramatic changes, and those changes continue today. This mosaic of images taken by astronauts aboard the International Space Station shows several things. First, the image shows today’s configuration of the delta of China’s Yellow River, which is one of the most dynamic coastlines on Earth. Second, the scene allows mapping of land use along the coastal plain, including the boundaries of the Shengli Oil Field, China’s second largest oil field. But perhaps the most interesting aspect of this image is the large patch of green water off the northern coast of the delta—a presumed plankton bloom.
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Athens, Greece
Published August 16, 2004
Athens, Greece, enjoys both historical and current significance on the world stage. The ancient city of Athens, considered to be the birthplace of many Western traditions in philosophy, the arts, and the scientific method, is located in the Central Plains region of Attica in eastern Greece. This astronaut photograph captures the western extent of the modern urban area.
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Cabarete Bay, Dominican Republic
Published August 9, 2004
The Dominican Republic occupies the eastern two-thirds of the island of Hispaniola in the Caribbean Sea. The island has a variety of ecosystems ranging from arid plains to tropical rain forests created by three roughly parallel east-west mountain ranges. The northernmost of these ranges, the Cordillera Septentrional, is visible in this astronaut photograph as the dark green region north of the river. Clearcut regions within the Cordillera Septentrional are visible as irregular light green regions interspersed with dark green forested areas.
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Mount Kilimanjaro Closeup
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Published August 2, 2004
Most scientists agree that the glaciers of Mt. Kilimanjaro will be gone by the year 2020, but there is less agreement as to why they are now receding.
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Ebro River Delta, Northeastern Spain
Published July 26, 2004
The Ebro River Delta, located along the eastern coast of Spain, is one of the largest wetland areas in the western Mediterranean region.
Tucson, Arizona
Published July 19, 2004
Tucson lies between the forested Catalina Mountains and the Tucson Mountains (dark reddish brown at the left image margin).The typical western North American cityscape is a pattern of regular north-south aligned rectangles outlined by major streets set one mile apart.
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