NDLI: Development, validation, and application of osses at nasa-gmao

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Development, validation, and application of osses at nasa-gmao

Content Provider	NASA Technical Reports Server (NTRS)
Author	Prive, Nikki C. Errico, Ronald M.
Copyright Year	2014
Description	The GMAO OSSE framework has two general classes of applications. One is to estimate the potential improvements to weather forecasting and analysis by using new proposed instruments that are not as yet built or deployed. This exploits the simulated nature of the OSSE. The other is to assess various aspects of the GMAO data assimilation system. This exploits the availability of truth provided by the OSSE. Two examples of the first class of application will be offered. One concerns deployment of constellations of passive MW sounders on small CUBESATs placed in very low orbits. The other concern is increasing the frequency of radiosonde observations to 4-times daily at all current stations. Several examples of the second class will also be presented. One is an estimation of analysis error characteristics. Another is a comparison between covariances directly determined from explicitly known background errors and those estimated by computing differences between lagged forecasts using the NMC-method prior to tuning. A third is a comparison of effects of model and observation errors on analysis and forecast skill. The last is an examination of spectra of forecast errors in a study of predictability. This latter is an ongoing study.
File Size	4629931
Page Count	41
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20150001443
Archival Resource Key	ark:/13960/t9770gr7w
Language	English
Publisher Date	2014-11-12
Access Restriction	Open
Subject Keyword	Osse Gmao Radiosonde Assimilation Earth Observing System Eos Error Analysis Weather Forecasting Climate Models Data Systems Frequencies Satellite Imagery Data Products Image Analysis Radiosondes Predictions Satellite-borne Photography Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Presentation

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