|Last update: Feb. 2018|
The Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) Web service, available worldwide, delivers time series of Temperature (at 2 m), Relative Humidity (at 2 m), Pressure (at 2 m), Wind speed and direction (at 10 m), Rainfall, Snowfall and Snow depth. Time steps range from 1 min up to 1 month (original data are hourly). Spatial resolution of approx. 50 km. The data are available since Jan. 1980 and are regularly updated with approx. one month of delay.
The version 2 of MERRA was introduced in 2016 to replace the original MERRA dataset because of the advances made in the assimilation system. More information on the GMAO website.
Main publication is Gelaro et al. 2017.
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