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VANDENBERG AFB, CALIF. -- The Aqua-EOS satellite rests on a stand in the Spaceport Systems International (SSI) payload processing facility on South Vandenberg AFB. Aqua will provide a six year chronology of the planet and its processes. Comprehensive measurements taken by its onboard instruments will allow scientists to assess long-term change, identify its human and natural causes and advance the development of models for long-term forecasting. The Focus for the Aqua Project is the multi-disciplinary study of the Earth's Interrelated Processes (atmosphere, oceans, and land surface) and their relationship to earth system changes. The global change research emphasized with the Aqua instrument data sets include: atmospheric temperature and humidity profiles, clouds, precipitation and radiative balance; terrestrial snow and sea ice; sea surface temperature and ocean productivity; soil moisture; and the improvement of numerical weather prediction. Aqua-EOS is scheduled for launch aboard a Delta II 7920-10L vehicle on April 18, 2002