| Joint Session 4 | 
|  | Advances in Atmospheric Reanalysis—II (Joint between the 23rd Conference on Hydrology and the 21st Conference on Climate Variability and Change) | 
|  | Chair: Michael G. Bosilovich, NASA/GSFC/GMAO, Greenbelt, MD 
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|  | 11:00 AM | J4.1 | The interrelationships among water and energy parameters in reanalyses  Junye Chen, Univ. of Maryland/ESSIC & NASA/GSFC/GMAO, Greenbelt, MD; and M. G. Bosilovich
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|  | 11:15 AM | J4.2 | Atmospheric water cycle component interactions in the NCEP North American Regional Reanalysis  A.C. Ruane, NASA/GISS and Oak Ridge Associated Universities, New York, NY
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|  | 11:30 AM | J4.3 | The Multi-Source Analysis of Precipitation (MSAP)  Phillip A. Arkin, University of Maryland, College Park, MD; and M. R. P. Sapiano and T. M. Smith
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|  | 11:45 AM | J4.4 | The Twentieth Century reanalysis project  Gilbert P. Compo, Univ. of Colorado/CIRES/Climate Diagnostics Center and NOAA/ESRL/PSD, Boulder, CO; and J. Whitaker and P. D. Sardeshmukh
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