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SPACE-RUSSIA-FIRES
This NASA Earth Observatory image released on May 21, 2014 shows what the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured in this photo on May 18, 2014. The red outlines indicate hot spots where MODIS detected unusually warm surface temperatures associated with fires. The image is centered at 56.76 degrees North and 105.47 degrees East. With dozens of forest fires burning in Russia’s Irkutsk region, authorities have declared a state of emergency. Some of the blazes likely began on farms but then spread into forests due to high winds and warm temperatures. As seen on Worldview, MODIS began to detect small fires in Irkutsk on May 14. Many were along rivers near farmland. After burning at a moderate level for a few days, the size and intensity of the fires increased significantly on May 18, 2014. In addition to producing thick plumes of smoke, the fires fueled numerous pyrocumulus clouds—tall, cauliflower-shaped clouds that billowed up above the smoke. Pyrocumulus are similar to cumulus clouds, but the heat that forces the air to rise—which leads to cooling and condensation of water vapor—comes from fire instead of sun-warmed ground. In satellite images, pyrocumulus clouds appear as opaque white patches hovering over darker smoke.PHOTO/NASA /HANDOUT = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NASA / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - NO A LA CARTE SALES/DISTRIBUTED AS A SERVICE TO CLIENTS =
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Detalii fotografie |
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Irkutsk, RUSSIAN FEDERATION |
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AFP / Mediafax Foto |
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| Fotograf: |
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HANDOUT |
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| Data: |
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21 Mai 2014 |
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3455 x 4485 (1.22 MB) |
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