The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2)

2017/05/01 by Ronald Gelaro, Will McCarty, Max J. Suárez +37 · 127 citations
Environmental Science · Earth and Planetary Sciences · #Atmospheric and Environmental Gas Dynamics #Meteorological Phenomena and Simulations #Atmospheric Ozone and Climate

paper · doi:10.1175/jcli-d-16-0758.1

Abstract

The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2) is the latest atmospheric reanalysis of the modern satellite era produced by NASA's Global Modeling and Assimilation Office (GMAO). MERRA-2 assimilates observation types not available to its predecessor, MERRA, and includes updates to the Goddard Earth Observing System (GEOS) model and analysis scheme so as to provide a viable ongoing climate analysis beyond MERRA's terminus. While addressing known limitations of MERRA, MERRA-2 is also intended to be a development milestone for a future integrated Earth system analysis (IESA) currently under development at GMAO. This paper provides an overview of the MERRA-2 system and various performance metrics. Among the advances in MERRA-2 relevant to IESA are the assimilation of aerosol observations, several improvements to the representation of the stratosphere including ozone, and improved representations of cryospheric processes. Other improvements in the quality of MERRA-2 compared with MERRA include the reduction of some spurious trends and jumps related to changes in the observing system, and reduced biases and imbalances in aspects of the water cycle. Remaining deficiencies are also identified. Production of MERRA-2 began in June 2014 in four processing streams, and converged to a single near-real time stream in mid 2015. MERRA-2 products are accessible online through the NASA Goddard Earth Sciences Data Information Services Center (GES DISC).

Citations

• The ERA‐Interim reanalysis: configuration and performance of the data assimilation system
• The MODIS Aerosol Algorithm, Products, and Validation
• The Twentieth Century Reanalysis Project

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