DOI: 10.1175/JCLI-D-16-0758.1
Scopus记录号: 2-s2.0-85020084015
论文题名: The modern-era retrospective analysis for research and applications, version 2 (MERRA-2)
作者: Gelaro R. ; McCarty W. ; Suárez M.J. ; Todling R. ; Molod A. ; Takacs L. ; Randles C.A. ; Darmenov A. ; Bosilovich M.G. ; Reichle R. ; Wargan K. ; Coy L. ; Cullather R. ; Draper C. ; Akella S. ; Buchard V. ; Conaty A. ; da Silva A.M. ; Gu W. ; Kim G.-K. ; Koster R. ; Lucchesi R. ; Merkova D. ; Nielsen J.E. ; Partyka G. ; Pawson S. ; Putman W. ; Rienecker M. ; Schubert S.D. ; Sienkiewicz M. ; Zhao B.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2017
卷: 30, 期: 14 起始页码: 5419
结束页码: 5454
语种: 英语
Scopus关键词: Aerosols
; Climate models
; Information services
; NASA
; Atmospheric reanalysis
; Data assimilation
; Goddard earth observing systems
; Numerical analysis/modeling
; Reanalysis
; Research and application
; Retrospective analysis
; Satellite observations
; Earth (planet)
英文摘要: 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). © 2017 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/48831
Appears in Collections: 气候减缓与适应 气候变化与战略
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作者单位: Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, Greenbelt, MD, United States; Universities Space Research Association, Columbia, MD, United States; Science Systems and Applications, Inc., Lanham, MD, United States; Morgan State University, Baltimore, MD, United States; Earth System Science Interdisciplinary Center, University of Maryland, College Park, College Park, MD, United States; Science Applications International Corporation, Beltsville, MD, United States; ExxonMobil Research and Engineering Company, Annandale, NJ, United States; I.M. System Group, Inc., Rockville, MD, United States
Recommended Citation:
Gelaro R.,McCarty W.,Suárez M.J.,et al. The modern-era retrospective analysis for research and applications, version 2 (MERRA-2)[J]. Journal of Climate,2017-01-01,30(14)