[MERRA project description Modern Era Retrospective-Analysis for Research and Applications]
The Global Modeling and Assimilation Office's (GMAO) Modern Era-Retrospective Analysis for Research and Analysis (MERRA) is a NASA reanalysis using a modern satellite data and the Goddard Earth Observing System Data Assimilation System Version 5 (GEOS-5). focused on historical analyses of the hydrological cycle. CDS provides access to GMAO's reanalysis data through the ESGF data node.
Spatial Coverage: Global
Temporal Coverage: 1979 - present, monthly
Data Resolution: 0.5° x 0.67°