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WEATHER ANALYSIS
& PREDICTION
SEASONAL-DECADAL
ANALYSIS & PREDICTION
REANALYSIS
GLOBAL MESOSCALE MODELING
OBSERVING SYSTEM SCIENCE
MERRA Project
Data Access
Documentation
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System Information
GMAO Reanalysis Page
Modern-Era Retrospective analysis for Research and Applications (MERRA)
MERRA System Information
• System Characteristics:
Pressure Levels Intersecting the Surface
Known Issues
Input Data
Land Fractions
• MERRA Validation / Evaluation:
Validation Data
• MERRA Research:
GEOS-5 - CloudSat Intercomparisons
Reanalysis Precipitation Climatology
Multi-Model Analysis for CEOP
Science Studies Archive