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African Monsoon
NASA and University of Maryland scientists have found that the African monsoon consists of two distinct seasons. The first monsoon season occurs in late spring or early summer, centered about 5 degrees north of the equator, while the second monsoon…
Dust Storm in Afghanistan
A heavy curtain of dust lay over southern Afghanistan and northern Pakistan on June 14, 2004. The dust appears to be blowing out of the Sistan basin, which is on the Afghan-Iranian border. The Sistan basin is a vast complex…
Portland, Mount Hood, & the Columbia River Gorge
Portland, the largest city in Oregon, is located on the Columbia River at the northern end of the Willamette Valley. On clear days, Mount Hood highlights the Cascade Mountains backdrop to the east. The Columbia is the largest river in…
Ultra-cool Diminutive Star Weighs In
The power of the some of the world’s biggest telescopes has been brought to bear to directly measure the mass, for the first time, of one of the smallest stars ever seen in the universe. Barely the size of the…
Mount Baker, Washington—a Hazardous Beauty
The Cascade Range is an arc of volcanoes that extends from southwestern British Columbia to northern California. One of the six major composite volcanoes (formed by alternating layers of extruded lava and compacted ash) is Mount Baker in northern Washington.
The Netherlands
Along the southern coast of the Netherlands, sediment-laden rivers have created amassive delta of islands and waterways in the gaps between the coastal dunes. Afterunusually severe spring tides devasted this region in 1953, the Dutch built anelaborate system of dykes,…
Flooding on Hispaniola
The skies over Hispaniola opened up on May 24, 2004, and poured as much as 10 inches (25 cm) of rain within a 24-hour span onto an already rain-soaked island that had received as much as 10 inches of rain…
Flood Disaster Hits Hispaniola
In late May 2004, a tragic flood disaster hit the Caribbean island of Hispaniola, claiming the lives of more than 2,000 people.
Lake Mead in Drought
Water is the lifeblood of the western United States. Not only does it sustain municipal drinking supplies and agriculture, it is also one of the primary sources of electricity. Dams along the Colorado and other rivers provide the steady water…
Significant Event Report for Week Ending 6/11/2004
Cassini Significant Event Report For Week Ending 06/11/04 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, June 9. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Elevated Dust over the Middle East
Clear skies on April 11, 2004 (top panels) contrast strongly with the dust storm that swept across Iraq and Saudi Arabia on May 13 (bottom panels). These data products from the Multi-angle Imaging SpectroRadiometer (MISR) depict both the abundance of…
Algae Bloom off the Coast of El Salvador
A dark band of water in the Pacific Ocean along the coast of El Salvador marks where a large colony of brown or red-tinted algae are growing near the surface of the water. Such blooms are occasionally visible in satellite…
From Forest to Field: How Fire is Transforming the Amazon
Current estimates of Amazon deforestation may capture less than half of the area degraded by logging and accidental fire.
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