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Post Info TOPIC: SeaWiFS satellite
Blobrana


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The End of a Remarkable Mission: SeaWiFS' Thirteen Years of Observing our Home Planet

Mary Cleave left the NASA astronaut corps in the early 1990s to make a rare jump from human spaceflight to Earth science. She was going to work on an upcoming mission to measure gradations in ocean colour - something she had actually seen from low-Earth orbit with her own eyes. From space, differing densities of phytoplankton and algae and floating bits of plant life reveal themselves as so many blues and greens. For Cleave, a former environmental engineer, the attraction was simple.

"We were going to measure green slime on a global scale" - Mary Cleave, now retired from her varied NASA career.

That is exactly what SeaWiFS - Sea-viewing Wide Field-of-view-Sensor - did for over 13 years, until it recently stopped communicating with ground-based data stations and after several months of intensive efforts at recovery, was declared unrecoverable in February.

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Blobrana


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As space-based research goes, SeaWiFS (Sea-viewing Wide Field-of-view Sensor) merges the best parts of cost effective planning with the brightest, most focused scientific goals of understanding and protecting Earths living oceans. When launched in 1997, the instrument promised to significantly improve on the historical proof-of-concept successes of its predecessor, the Costal Zone Colour Scanner (CZCS), while leveraging the economic benefits of simultaneously providing valuable commercial data to international clients in support of economic and recreational activities.

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Blobrana


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The National Aeronautics and Space Administration is celebrating the 10th anniversary of its Earth-orbiting SeaWiFS satellite.
SeaWiFS (Sea-viewing WIde Field-of-view Sensor instrument) was launched Aug. 1, 1997, and shortly thereafter took its first measurements of ocean colour. A decade later, the satellite is still helping researchers investigate the planet's changing climate by providing a global view of ocean biological productivity.

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