articleJournal of ClimateJun 15, 2017GREEN OA

The MERRA-2 Aerosol Reanalysis, 1980 Onward. Part II: Evaluation and Case Studies

VBVirginie BuchardCACynthia A. RandlesADArlindo da SilvaADAnton DarmenovPRPeter R. Colarco

Goddard Space Flight Center · Universities Space Research Association · +4 more institutions

PubMed
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Abstract

The Modern-Era Retrospective Analysis for Research and Applications, version 2 (MERRA-2), is NASA’s latest reanalysis for the satellite era (1980 onward) using the Goddard Earth Observing System, version 5 (GEOS-5), Earth system model. MERRA-2 provides several improvements over its predecessor (MERRA-1), including aerosol assimilation for the entire period. MERRA-2 assimilates bias-corrected aerosol optical depth (AOD) from the Moderate Resolution Imaging Spectroradiometer and the Advanced Very High Resolution Radiometer instruments. Additionally, MERRA-2 assimilates (non bias corrected) AOD from the Multiangle Imaging SpectroRadiometer over bright surfaces and AOD from Aerosol Robotic Network sunphotometer…

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Topics & keywords

Topics
Keywords
  • Aerosol
  • Environmental science
  • Spectroradiometer
  • Satellite
  • Meteorology
  • Moderate-resolution imaging spectroradiometer
  • Climatology
  • Data assimilation
UN Sustainable Development Goals
  • Life below water
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