Start Date: End Date: Published Date Data Date
NASA Satellite Tracks Hazardous Smoke and Smog Partnership
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Published March 17, 2001
Related images:
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Mississippi River Sediment Plume
Published March 16, 2001
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Swirls of Lace
Published March 15, 2001
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Fringing Reef, Mayotte
Published March 14, 2001
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Africa’s Disappearing Lake Chad
Published March 13, 2001
Lake Chad as seen from Apollo-7 in 1968
Published March 12, 2001
The top photograph was taken by Apollo-7 crew in October 1968 during a mission to test control of a spacecraft moving into different orbits. Based on photographs from Gemini and Apollo, the estimated open water area of Lake Chad was over 22,000 km² (Mohler et al. 1989, Lullaet et al. 1991). Although not known at the time, Lake Chad would not be observed this full again from orbit—it had significantly decreased in area when it was observed by Landsat in 1972. Space Shuttle crews have continued to photograph dramatic fluctuations in Lake Chad. A sampling of this time series from 1982-2000 is shown below the Apollo image.
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Flooded Zambeze River
Published March 11, 2001
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Cyclone Dera in the Mozambique Channel
Published March 10, 2001
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Altamaha River Delta, Georgia Sea Islands
Published March 9, 2001
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The Nile
Published March 8, 2001
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Dust from China over Japan
Published March 7, 2001
NorEaster
Published March 6, 2001
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