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Earth Sciences Division
Sciences and Exploration
Reanalysis
Long-term, model-based analyses of multiple datasets using a fixed assimilation system are a major focus in the GMAO. Building on the success of the atmospheric reanalyses conducted with GEOS, current research and development activities are directed at producing a major Earth System Reanalysis, including atmosphere, land, ocean, and ice.
Weather Analysis & Prediction
To support NASA's satellite missions and field experiments, GMAO generates near-real-time atmospheric products using GEOS and distributes them to a broad community of users.
Seasonal-Decadal Analysis & Prediction
GMAO uses coupled Earth-System models and analyses, along with a broad range of satellite observations, to study and predict phenomena that evolve on seasonal to decadal timescales.
Global Mesoscale Modeling
Current computing capacity enables GMAO to simulate the entire globe at spatial resolutions previously only possible with regional models. These “global mesoscale model” simulations serve for forefront evaluations of model performance and form the basis for Observing System Simulation Experiments.
Observing System Science
GMAO's mission to provide modeling support for NASA's satellite observations encompasses the need to examine the impacts of different observation types in weather and climate prediction. It also requires the ability to simulate potential new observation types, in order to assess their cost benefit, based on their likely impacts on prediction.
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Overcoming the challenges of increasing resolution and complexity in GEOS - Putman
Related Information
GMAO Reanalysis Products
View current GMAO production status.
GEOS FP (GEOS FP)
Goddard Earth Observing System (GEOS) for Instrument Teams (GEOS IT)
GEOS Composition Forecasts (GEOS-CF)
GEOS Near-Real Time Data Products (GEOS Near-Real Time Data Products)
GEOS Sub-seasonal / Seasonal Project, Version 2 (GEOS-S2S)
GEOS Experimental Seasonal Forecasts (GEOS-S2S-1)
Atmosphere-Ocean General Circulation Model (AOGCM)
Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2)
Modern-Era Retrospective analysis for Research and Applications (MERRA)
MERRA-Land (MERRA-Land)
Modern Era Retrospective analysis for Research and Applications Aerosol Reanalysis (MERRAero)
MERRA-NOBM (MERRA-NOBM)
Non-hydrostatic 7 km Global Mesoscale Simulation (7km-G5NR)
Hurricane and Severe Storm Sentinel (HS3) Forecast Support (HS3)
DISCOVER-AQ 2014 Campaign GEOS-5 Forecasting Support (DISCOVER-AQ)
Observing System Simulation Experiments (OSSEs)
SMAP Level-4 Products (SMAP L4)
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