The SORCE Mission |
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| Authors: | Gary Rottman |
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| Institution: | (2) Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, 80303 |
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| Abstract: | The Solar Radiation and Climate Experiment (SORCE) satellite carries four scientific instruments that measure the solar radiation
at the top of the Earth's atmosphere. The mission is an important flight component of NASA's Earth Observing System (EOS),
which in turn is the major observational and scientific element of the U.S. Global Change Research Program. The scientific
objectives of SORCE are to make daily measurements of the total solar irradiance and of spectral solar irradiance from 120
to 2000 nm with additional measurements of the energetic X-rays. Solar radiation provides the dominant energy source for the
Earth system and detailed understanding of its variation is essential for atmospheric and climate studies. SORCE was launched
on January 25, 2003 and has an expected lifetime through the next solar minimum in about 2007. The spacecraft and all instruments
have operated flawlessly during the first 2 years, and this paper provides an overview of the mission and discusses the contributions
that SORCE is making to improve understanding of the Sun's influence on the Earth environment. |
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