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Robert A. Lucchesi
Researcher at Goddard Space Flight Center
Publications - 15
Citations - 9691
Robert A. Lucchesi is an academic researcher from Goddard Space Flight Center. The author has contributed to research in topics: Data assimilation & Water content. The author has an hindex of 10, co-authored 14 publications receiving 7330 citations. Previous affiliations of Robert A. Lucchesi include Science Applications International Corporation.
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Journal ArticleDOI
MERRA: NASA’s Modern-Era Retrospective Analysis for Research and Applications
Michele M. Rienecker,Max J. Suarez,Ronald Gelaro,Ricardo Todling,Julio T. Bacmeister,Julio T. Bacmeister,Emily Liu,Emily Liu,Michael G. Bosilovich,Siegfried D. Schubert,Lawrence L. Takacs,Lawrence L. Takacs,Gi-Kong Kim,S. C. Bloom,S. C. Bloom,Junye Chen,Junye Chen,Douglas Collins,Douglas Collins,Austin Conaty,Austin Conaty,Arlindo da Silva,Wei Gu,Wei Gu,Joanna Joiner,Randal D. Koster,Robert A. Lucchesi,Robert A. Lucchesi,Andrea Molod,Andrea Molod,Tommy Owens,Tommy Owens,Steven Pawson,Philip Pegion,Philip Pegion,Christopher R. Redder,Christopher R. Redder,Rolf H. Reichle,Franklin R. Robertson,Albert G. Ruddick,Albert G. Ruddick,Meta Sienkiewicz,Meta Sienkiewicz,John S. Woollen +43 more
TL;DR: The Modern-Era Retrospective Analysis for Research and Applications (MERRA) was undertaken by NASA's Global Modeling and Assimilation Office with two primary objectives: to place observations from NASA's Earth Observing System satellites into a climate context and to improve upon the hydrologic cycle represented in earlier generations of reanalyses as mentioned in this paper.
Journal ArticleDOI
The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2)
Ronald Gelaro,Will McCarty,Max J. Suarez,Max J. Suarez,Ricardo Todling,Andrea Molod,Lawrence L. Takacs,Cynthia A. Randles,Cynthia A. Randles,Anton Darmenov,Michael G. Bosilovich,Rolf H. Reichle,Krzysztof Wargan,Lawrence Coy,Richard I. Cullather,Richard I. Cullather,Clara S. Draper,Clara S. Draper,Santha Akella,V. Buchard,V. Buchard,Austin Conaty,Arlindo da Silva,Wei Gu,Gi-Kong Kim,Randal D. Koster,Robert A. Lucchesi,Dagmar Merkova,J. E. Nielsen,Gary Partyka,Steven Pawson,William M. Putman,Michele M. Rienecker,Siegfried D. Schubert,Meta Sienkiewicz,Bin Zhao,Bin Zhao +36 more
TL;DR: An overview of the MERRA-2 system and various performance metrics is provided, including the assimilation of aerosol observations, several improvements to the representation of the stratosphere including ozone, and improved representations of cryospheric processes.
MERRA-2: File Specification
TL;DR: The second Modern-Era Retrospective Analysis for Research and Applications (MERRA-2) is a NASA atmospheric reanalysis that begins in 1980 as mentioned in this paper, using an upgraded version of the Goddard Earth Observing System Model, Version 5 (GEOS-5) data assimilation system.
Journal ArticleDOI
Global Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using Assimilation Diagnostics
Rolf H. Reichle,Gabrielle De Lannoy,Qing Liu,Randal D. Koster,John S. Kimball,Wade T. Crow,Joseph V. Ardizzone,Purnendu Chakraborty,Douglas W. Collins,Austin Conaty,Manuela Girotto,Manuela Girotto,Lucas A. Jones,Jana Kolassa,Jana Kolassa,Hans Lievens,Hans Lievens,Robert A. Lucchesi,Edmond B. Smith +18 more
TL;DR: The O-F auto-correlations suggest that the SMAP observations are used efficiently in western North America, the Sahel, and Australia, but not in many forested regions and the high northern latitudes.
Journal ArticleDOI
Global impact of COVID-19 restrictions on the surface concentrations of nitrogen dioxide and ozone
Christoph A. Keller,Christoph A. Keller,Mathew J. Evans,K. Emma Knowland,K. Emma Knowland,Christa A. Hasenkopf,Sruti Modekurty,Robert A. Lucchesi,Tomohiro Oda,Tomohiro Oda,Bruno B. Franca,Felipe C. Mandarino,M. Valeria Díaz Suárez,Robert G. Ryan,Luke H. Fakes,Steven Pawson +15 more
TL;DR: In this article, a machine learning algorithm driven by information from the NASA GEOS-CF model was used to assess changes in nitrogen dioxide (NO 2 ) and ozone (O 3 ) at 5756 observations sites in 46 countries from January through June 2020.