Search Results - "Weaver, Anthony"

Evaluation of the ECMWF ocean reanalysis system ORAS4 by Balmaseda, Magdalena Alonso, Mogensen, Kristian, Weaver, Anthony T.

“…A new operational ocean reanalysis system (ORAS4) has been implemented at ECMWF. It spans the period 1958 to the present. This article describes its main…”
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An evaluation of methods for normalizing diffusion‐based covariance operators in variational data assimilation by Weaver, Anthony T., Chrust, Marcin, Ménétrier, Benjamin, Piacentini, Andrea

“…Developing effective ways to model and cycle the background‐error covariance matrix is an active area of research in data assimilation. An important aspect of…”
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The Troubled Spirit of Abraham Flexner by Weaver, Anthony D.

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Implementing a variational data assimilation system in an operational 1/4 degree global ocean model by Waters, Jennifer, Lea, Daniel J., Martin, Matthew J., Mirouze, Isabelle, Weaver, Anthony, While, James

“…This article describes the implementation of an incremental first guess at an appropriate time three‐dimensional variational (3DVAR) data assimilation scheme,…”
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Modelling spatially correlated observation errors in variational data assimilation using a diffusion operator on an unstructured mesh by Guillet, Oliver, Weaver, Anthony T., Vasseur, Xavier, Michel, Yann, Gratton, Serge, Gürol, Selime

“…We propose a method for representing spatially correlated observation errors in variational data assimilation. The method is based on the numerical solution of…”
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A new global ocean ensemble system at the Met Office: Assessing the impact of hybrid data assimilation and inflation settings by Lea, Daniel J., While, James, Martin, Matthew J., Weaver, Anthony, Storto, Andrea, Chrust, Marcin

“…We have developed a global ocean and sea‐ice ensemble forecasting system based on the operational forecasting ocean assimilation model (FOAM) system run at the…”
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Regional Ocean Modeling System (ROMS) 4-dimensional variational data assimilation systems Part I – System overview and formulation by Moore, Andrew M, Arango, Hernan G, Broquet, Gregoire, Powell, Brian S, Weaver, Anthony T, Zavala-Garay, Javier

“…The Regional Ocean Modeling System (ROMS) is one of the few community ocean general circulation models for which a 4-dimensional variational data assimilation…”
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Impact of correlated observation errors on the conditioning of variational data assimilation problems by Goux, Olivier, Gürol, Selime, Weaver, Anthony T., Diouane, Youssef, Guillet, Oliver

“…Summary An important class of nonlinear weighted least‐squares problems arises from the assimilation of observations in atmospheric and ocean models. In…”
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“Time”‐Parallel diffusion‐based correlation operators by Weaver, Anthony T., Gürol, Selime, Tshimanga, Jean, Chrust, Marcin, Piacentini, Andrea

“…Correlation operators based on the solution of an implicitly formulated diffusion equation can be implemented numerically using the Chebyshev iteration method…”
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Synthesis of Ocean Observations Using Data Assimilation for Operational, Real-Time and Reanalysis Systems: A More Complete Picture of the State of the Ocean by Moore, Andrew M., Martin, Matthew J., Akella, Santha, Arango, Hernan G., Balmaseda, Magdalena, Bertino, Laurent, Ciavatta, Stefano, Cornuelle, Bruce, Cummings, Jim, Frolov, Sergey, Lermusiaux, Pierre, Oddo, Paolo, Oke, Peter R., Storto, Andrea, Teruzzi, Anna, Vidard, Arthur, Weaver, Anthony T.

“…Ocean data assimilation is increasingly recognized as crucial for the accuracy of realtime ocean prediction systems and historical re-analyses. The current…”
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Lung cancer screening in Appalachian Kentucky: The impact of Lung-RADS on subsequent testing and cancer identification by Cardarelli, Roberto, Madabhushi, Vashisht, Bledsoe, Kacie, Weaver, Anthony

“…The National Lung Cancer Screening Trial (NLST) demonstrated the use of low dose helical computed tomography (LDCT) scans for lung cancer screening. However,…”
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Applicant Selection to a Regional Medical Training Program: A Structural Analysis of Interviewer Assessments by Stratton, Terry, Elam, Carol, Arnett, Paula, Weaver, Anthony

“…Introduction:  For regional campuses with specific program foci, assessing applicant fit necessarily extends beyond academic and professional factors. Based on…”
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Hollow Calcium Carbonate Microsphere Formation in the Presence of Biopolymers and Additives by Butler, Michael F, Frith, William J, Rawlins, Christopher, Weaver, Anthony C, Heppenstall-Butler, Mary

“…Directed crystallization is found in many natural systems, where the inorganic material provides the organism with superior barrier and mechanical properties…”
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Rural community well-being through minor league sport by Kim, Young Do, Magnusen, Marshall J, Weaver, Anthony, Kim, Minjung

“…Purpose The purpose of this paper is to investigate how small-town residents’ perceptions of a minor league sport team’s socially responsible initiatives (SRI)…”
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OCEAN DATA ASSIMILATION SYSTEMS FOR GODAE by CUMMINGS, JAMES, BERTINO, LAURENT, BRASSEUR, PIERRE, FUKUMORI, ICHIRO, KAMACHI, MASAFUMI, MARTIN, MATTHEW J., MOGENSEN, KRISTIAN, OKE, PETER, TESTUT, CHARLES EMMANUEL, VERRON, JACQUES, WEAVER, ANTHONY

“…Ocean data assimilation has matured to the point that observations are now routinely combined with model forecasts to produce a variety of ocean products…”
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Influence of particle surface roughness on the behaviour of Janus particles at interfaces by Adams, Dave. J., Adams, Sarah, Melrose, John, Weaver, Anthony C.

“…We demonstrate that it is of critical importance to prepare Janus particles with a high degree of control over the surface roughness. To elucidate information…”
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University of Kentucky Rural Physician Leadership Program: A Programmatic Review by Paula Arnett, Terry Stratton, Anthony Weaver, Carol Elam

“…This article describes the characteristics and results of the Rural Physician Leadership Program (RPLP) at the University of Kentucky College of Medicine. RPLP…”
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Effect of Block Length, Polydispersity, and Salt Concentration on PEO−PDEAMA Block Copolymer Structures in Dilute Solution by Adams, Dave J, Butler, Michael F, Weaver, Anthony C

“…A series of poly(ethylene oxide)-block-poly(N,N-diethylaminoethyl methacrylate) (PEO−PDEAMA) block copolymers with relatively high polydispersity (1.36 < PDI <…”
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Perceptions of Higher Education Administrators regarding the Role of Club Sports in the Recruitment and Retention of Male Students by Weaver, Anthony G., Forte, Drew J., McFadden, Cara W.

“…A current challenge for higher education is the declining trend of men attending college. Because of this downward trend, universities are working hard to…”
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The Regional Ocean Modeling System (ROMS) 4-dimensional variational data assimilation systems by Moore, Andrew M., Arango, Hernan G., Broquet, Gregoire, Powell, Brian S., Weaver, Anthony T., Zavala-Garay, Javier

“…The Regional Ocean Modeling System (ROMS) is one of the few community ocean general circulation models for which a 4-dimensional variational data assimilation…”
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