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

被引：5285

作者：

Gelaro, Ronald ^{[1
]}

McCarty, Will ^{[1
]}

Suarez, Max J. ^{[1
,2
]}

Todling, Ricardo ^{[1
]}

Molod, Andrea ^{[1
]}

Takacs, Lawrence ^{[1
,3
]}

Randles, Cynthia A. ^{[1
,4
,7
]}

Darmenov, Anton ^{[1
]}

Bosilovich, Michael G. ^{[1
]}

Reichle, Rolf ^{[1
]}

Wargan, Krzysztof ^{[1
,3
]}

Coy, Lawrence ^{[1
,3
]}

Cullather, Richard ^{[1
,5
]}

Draper, Clara ^{[1
,2
]}

Akella, Santha ^{[1
,3
]}

Buchard, Virginie ^{[1
,2
]}

Conaty, Austin ^{[1
,3
]}

da Silva, Arlindo M. ^{[1
]}

Gu, Wei ^{[1
,3
]}

Kim, Gi-Kong ^{[1
]}

Koster, Randal ^{[1
]}

Lucchesi, Robert ^{[1
,3
]}

Merkova, Dagmar ^{[1
,3
,8
]}

Nielsen, Jon Eric ^{[1
,3
]}

Partyka, Gary ^{[1
,3
]}

Pawson, Steven ^{[1
]}

Putman, William ^{[1
]}

Rienecker, Michele ^{[1
]}

Schubert, Siegfried D. ^{[1
,3
]}

Sienkiewicz, Meta ^{[1
,3
]}

Zhao, Bin ^{[1
,6
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Global Modeling & Assimilat Off, Greenbelt, MD 20771 USA

[2] Univ Space Res Assoc, Columbia, MD USA

[3] Sci Syst & Applicat Inc, Lanham, MD USA

[4] Morgan State Univ, Baltimore, MD 21239 USA

[5] Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD USA

[6] Sci Applicat Int Corp, Beltsville, MD USA

[7] ExxonMobil Res & Engn Co, Annandale, NJ USA

[8] IM Syst Grp Inc, Rockville, MD USA

来源：

JOURNAL OF CLIMATE | 2017年 / 30卷 / 14期

关键词：

GREENLAND ICE-SHEET; AEROSOL OPTICAL-THICKNESS; DATA ASSIMILATION SYSTEM; RADIATIVE-TRANSFER MODEL; SEA-SURFACE TEMPERATURE; MACC REANALYSIS; ENERGY-BALANCE; CLIMATE; SATELLITE; PRECIPITATION;

D O I：

10.1175/JCLI-D-16-0758.1

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

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).

引用

页码：5419 / 5454

页数：36

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