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The Global Observing System in the Assimilation Context

Author
Pawson, S.
Published
September 06, 2011.
Physical Description
1 electronic document
Additional Creators
Gelaro, R., Reichle, R., McCarty, W., and Reinecker, Michele M.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Weather and climate analyses and predictions all rely on the global observing system. However, the observing system, whether atmosphere, ocean, or land surface, yields a diverse set of incomplete observations of the different components of Earth s environment. Data assimilation systems are essential to synthesize the wide diversity of in situ and remotely sensed observations into four-dimensional state estimates by combining the various observations with model-based estimates. Assimilation, or associated tools and products, are also useful in providing guidance for the evolution of the observing system of the future. This paper provides a brief overview of the global observing system and information gleaned through assimilation tools, and presents some evaluations of observing system gaps and issues.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 20120008249.
GSFC.CP.5994.2012.
European Center for Medium Range Weather Forecases (ECMWF) Annual Seminar; 6-9 Sept. 2011; Reading; United Kingdom.
Terms of Use and Reproduction
No Copyright.
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