Which meteorological data assimilation project is a joint product from the National Centers for Environmental Prediction and the National Center for Atmospheric Research?
NCEP/NCAR Reanalysis:  (See also Meteorological reanalysis.) Meteorological reanalysis: A meteorological reanalysis is a meteorological data assimilation project which aims to assimilate historical observational data spanning an extended period, using a single consistent assimilation (or "analysis") scheme throughout.
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