Start Date: End Date: Published Date Data Date
Klyuchevskaya Volcano
1600 x 2100 565 KB - JPEG
Published May 25, 2007
Related images:
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Seasonal Swings in Amazon Leaf Area
1005 x 748 292 KB - JPEG
Published May 24, 2007
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Fires in Mexico and Central America
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Published May 23, 2007
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Leaf Area Index, South America
1100 x 647 171 KB - GIF
The Amazon Rainforest is a tangle of multiple layers of vegetation stretching from the ground to the top of the forest canopy. Layer upon layer of leaves intercept sunlight, inhale carbon dioxide, and exhale oxygen and water vapor. In 2007, a team of scientists discovered that behind its evergreen exterior, the Amazon was hiding a seasonal secret: large, previously unknown swings in leaf surface area between the wet season and the dry season.
Dust in the Taklimakan Desert
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Published May 22, 2007
Dust Plume off the Coast of Egypt
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Dwarfing the Nile, a river of dust flowed out of the deserts of northern Egypt on May 19, 2007. This image of the dust shows it spreading northward over the Mediterranean Sea from the sandy deserts that span the country. At the margins of the plume, ribbons and ripples of dust are translucent, allowing a glimpse of the desert and water beneath, but in the center, the cloud is opaque, revealing nothing of the surface below.
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Fires in Georgia and Florida
1600 x 2000 871 KB - JPEG
Published May 21, 2007
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Fires and smoke in Georgia and Florida
1600 x 2000 795 KB - JPEG
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Springtime Comes to the Niagara River
1000 x 1510 583 KB - JPEG
The eastern end of Lake Erie is clogged with ice that is pushed against the shoreline by the prevailing westerly wind. The ice collects in Lake Erie, and the Lake Erie-Niagara River Ice Boom prevents it from flowing down the Niagara River, which is the international boundary between the Canadian Province of Ontario, and New York State. A boom is deployed each December. Operational since 1964, the boom serves several functions: it protects the water intakes for the Niagara River power plants, and it minimizes ice runs (large blocks of ice flowing downstream as ice breaks up in the spring) and blockages that can create damage and flooding along the river.
662 x 1000 424 KB - JPEG
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Published May 20, 2007
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Dust storm in Egypt
1700 x 2200 588 KB - JPEG
Published May 19, 2007
850 x 1100 178 KB - JPEG