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Showing 673 - 696 of 8310 results

Evaluation of analysis increments at model levels

Author

P. Undén

1984, Technical memorandum, ECMWF Technical Memoranda

File

12866-evaluation-analysis-increments-model-levels.pdf

Observing system experiments with the 3D-Var assimilation system

Author

P. Undén

G.A. Kelly

D. Le Meur

L. Isaksen

1997, Technical memorandum, ECMWF Technical Memoranda

File

12870-observing-system-experiments-3d-var-assimilation-system.pdf

Aspects of stratospheric modelling at ECMWF

Author

A. Untch

1998, Conference Paper, Seminar on Recent Developments in Numerical Methods for Atmospheric Modelling, 7-11 September 1998

File

76781-aspects-stratospheric-modelling-ecmwf.pdf

The stratosphere in ERA-40

Author

A. Untch

2001, Conference Paper, Workshop on Re-analysis, 5-9 November 2001, ERA-40 Project Report Series

File

76782-stratosphere-era-40.pdf

A finite-element scheme for the vertical descretization in the semi-Lagrangian version of the ECMWF model

Author

A. Untch

M. Hortal

2003, Technical memorandum, ECMWF Technical Memoranda

File

12873-finite-element-scheme-vertical-descretization-semi-lagrangian-version-ecmwf-model.pdf

Recent developments in the vertical discretization of the ECMWF model impacting on the stratosphere and tropopause

Author

A. Untch

M. Hortal

2004, Conference Paper, ECMWF/SPARC Workshop on Modelling and Assimilation for the Stratosphere and Tropopause, 23 to 26 June 2003

File

76784-recent-developments-vertical-discretization-ecmwf-model-impacting-stratosphere-and-tropopause.pdf

Observing system performance in ERS

Author

S. Uppala

1997, Report, ERA Report

Performance of TOVS data in the ECMWF reanalysis 1979-1993

Author

S. Uppala

1997, Technical memorandum, ECMWF Technical Memoranda

File

12878-performance-tovs-data-ecmwf-reanalysis-1979-1993.pdf

ECMWF ReAnalysis 1957-2001, ERA-40

Author

S. Uppala

2001, Conference Paper, Workshop on Re-analysis, 5-9 November 2001, ERA-40 Project Report Series

File

76787-ecmwf-reanalysis-1957-2001-era-40.pdf

Monitoring of observations and assessment of observing system performance in the reanalysis

Author

S. Uppala

1999, Conference Paper, Workshop on Diagnosis of Data Assimilation Systems, 2 - 4 November 1998

File

76788-monitoring-observations-and-assessment-observing-system-performance-reanalysis.pdf

Results from two recent observing system experiments at ECMWF

Author

S. Uppala

A. Hollingsworth

S. Tibaldi

P.W. Kållberg

1984, Conference Paper, Seminar on Data Assimilation Systems and Observing System Experiments with Particular Emphasis on FGGE, 3-7 September 1984

File

76789-results-two-recent-observing-system-experiments-ecmwf.pdf

Experience in estimation of biases in ECMWF reanalyses

Author

S. Uppala

G.A. Kelly

Kållberg Park

A. Untch

2006, Conference Paper, ECMWF/EUMETSAT NWP-SAF Workshop on Bias estimation and correction in data assimilation, 8 to 11 November 2005.

File

76790-experience-estimation-biases-ecmwf-reanalyses.pdf

From ERA-15 to ERA-40 and ERA-Interim

Author

S. Uppala

2006, Conference Paper, ECMWF/Geo Workshop on Atmospheric Reanalyis, 19-22 June 2006

File

76791-era-15-era-40-and-era-interim.pdf

Observational requirements for future reanalyses

Author

S. Uppala

2006, Conference Paper, ECMWF/Geo Workshop on Atmospheric Reanalyis, 19-22 June 2006

File

76792-observational-requirements-future-reanalyses.pdf

Use of satellite data in reanalyses.

Author

S. Uppala

2008, Conference Paper, Seminar on Recent developments in the use of satellite observations in numerical weather prediction, 3-7 September 2007

File

76793-use-satellite-data-reanalyses.pdf

On a revised ocean-atmosphere physical coupling interface and about technical coupling software.

Author

S. Valcke

E. Guilyardi

2009, Conference Paper, ECMWF Workshop on Ocean-Atmosphere Interactions, 10-12 November 2008

File

76794-revised-ocean-atmosphere-physical-coupling-interface-and-about-technical-coupling-software.pdf

Nonlinear large-scale data assimilation: the potential of particle filters

Author

P.J. van Leeuwen

2012, Conference Paper, Seminar on Data assimilation for atmosphere and ocean, 6-9 September 2011

File

76795-nonlinear-large-scale-data-assimilation-potential-particle-filters.pdf

Graphical applications at the R.M.I. of Belgium

Author

R. Van Lierde

1981, Conference Paper, Seminar on Graphical Applications in Meteorology, 19-23 October 1981

File

76796-graphical-applications-rmi-belgium.pdf

Did the ECMWF seasonal forecast model outperform a statistical model over the last 15 years?

Author

G.J. van Oldenborgh

Magdalena Alonso-Balmaseda

D.L.T. Anderson

2003, Technical memorandum, ECMWF Technical Memoranda

File

12894-did-ecmwf-seasonal-forecast-model-outperform-statistical-model-over-last-15-years.pdf

Efficient algorithms for non-linear four-wave interactions

Author

Ph. Van Vledder

2012, Conference Paper, Workshop on Ocean Waves, 25-27 June 2012

File

76798-efficient-algorithms-non-linear-four-wave-interactions.pdf

The collapse of turbulence in the evening

Author

B.J.H. Van de Wiel

A. Moene

H.J.J. Jonker

P. Baas

S. Basu

J. Sun

A.A.M. Holtslag

2012, Conference Paper, Workshop on Workshop on Diurnal cycles and the stable boundary layer, 7-10 November 2011

File

76799-collapse-turbulence-evening.pdf

New applications using real-time observations and ECMWF model data

Author

W Van den Berg

2009, Conference Paper, Twelfth Workshop on Meteorological Operational Systems, 2-6 November 2009

File

76800-new-applications-using-real-time-observations-and-ecmwf-model-data.pdf

The EC-Earth modelling challenges

Author

B.J.J. van den Hurk

Emanuel Dutra

B. Smith

M. Brandt

M. Weiss

R. Haarsma

W. Hazeleger

Gianpaolo Balsamo

M. van der Molen

2009, Conference Paper, ECMWF / GLASS Workshop on Land Surface Modelling and Data Assimilation and the implications for predictability, 9-12 November 2009

File

76801-ec-earth-modelling-challenges.pdf

Comparison of land surface hydrology in regional climate simulations of the Baltic Sea catchment

Author

B.J.J. van den Hurk

L.P. Graham

P. Viterbo

2001, Technical memorandum, ECMWF Technical Memoranda

File

12899-comparison-land-surface-hydrology-regional-climate-simulations-baltic-sea-catchment.ps