MERRA Data: Difference between revisions
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Revision as of 11:08, 26 May 2013
MERRA is an abbreviation for Modern Era Retrospective-Analysis for Research and Applications. The datasetsoriginates from the Global Modeling and Assimilation Office of NASA / Goddard Space Flight Center.The MERRA analysis are being conducted with the GEOS-5 Atmospheric Data Assimilation System(ADAS).
Resolution and Coverage
The model grid is 0.5 degree latitude and 2/3 degree longitude. It holds 1 hourly values with a global coverage.
Data Availability
The following parameters are available from within the online-dataservices WindPRO.
| Parameter | Description |
|---|---|
| time | UTC time sStamp |
| pressure | Sea level pressure |
| temperature | Temperature at 2 m above the displacement height |
| wDir | Wind direction at 50 m above surface |
| wSpeed | Wind speed at 50 m above surface |
| dispHeight | Displacement height |
External Links
The full MERRA data-set is available at http://gmao.gsfc.nasa.gov/research/merra/
Acknowledgement
The Global Modeling and Assimilation Office (GMAO) for the MERRA-analysis and the GES DISC for the dissemination of MERRA.