Re-Analysis Atmospheric Forcing Data Sets
–ECMWF Re-analysis
Advanced Global Data
• 4x/day, 01/79 - 12/93
•1.125 degrees
(Gaussian)
–NCEP/NCAR
Re-analysis
•4x/day, 01/48 – 12/99
•2.5 x 2.5 degrees
•
Bias Correct Using Monthly Mean Observational Data Sets
Observational Data Sets
–NCAR Northern
Hemisphere Sea Level Pressure
• 01/1899
– present; 5 x 5 degrees
–Climate Research
Unit (University of East Anglia) Temperature and Precipitation
•01/01 - 12/98; 0.5 x 0.5 degrees
–Center for Climatic
Research (University of Delaware) Terrestrial Temperature and Precipitation
•01/50 - 12/96 ; 0.5 x 0.5 degree
–Global
Precipitation Climatology Project (GPCP)
•01/86 - 03/95; 2.5 x 2.5 degree
–Langley Eight Year
Shortwave and Longwave Surface Radiation Budget
•07/83 - 06/91 - in process of being extended; 2.5 x 2.5 degree