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A multivariate treatment of bias for sequential data assimilation: application to the tropical oceans.

Author

Magdalena Alonso-Balmaseda

D.P. Dee

A. Vidard

D.L.T. Anderson

2005, Technical memorandum, ECMWF Technical Memoranda

File

7910-multivariate-treatment-bias-sequential-data-assimilation-application-tropical-oceans.pdf

Accounting for an imperfect model in 4D-Var. [Comment: revised October 2006]

Author

Y. Trémolet

2005, Technical memorandum, ECMWF Technical Memoranda

File

12845-accounting-imperfect-model-4d-var-comment-revised-october-2006.pdf

Report on the thirteenth Security Representatives' Meeting, 17-18 May 2005. (Restricted distribution)

Author

P. Prior

2005, Technical memorandum, ECMWF Technical Memoranda

Workshop to discuss a potential European Reanalysis project (EURRA) - Meeting Report

Author

ECMWF

2005, Conference Proceedings, Workshop on European Reanalysis project (EURRA)

File

14230-workshop-discuss-potential-european-reanalysis-project-eurra-meeting-report.pdf

Impact of increasing greenhouse gas concentrations in seasonal ensemble forecasts.

Author

F. Doblas-Reyes

Renate Hagedorn

T.N. Palmer

J.-J. Morcrette

2005, Technical memorandum, ECMWF Technical Memoranda

File

9084-impact-increasing-greenhouse-gas-concentrations-seasonal-ensemble-forecasts.pdf

Progress in ocean wave forecasting at ECMWF.

Author

Peter Janssen

Jean-Raymond Bidlot

Saleh Abdalla

Hans Hersbach

2005, Technical memorandum, ECMWF Technical Memoranda

File

10187-progress-ocean-wave-forecasting-ecmwf.pdf

Will the 4D-Var approach be defeated by nonlinearity?

Author

Erik Andersson

Mike Fisher

E. Hólm

L. Isaksen

G. Radnóti

Y. Trémolet

2005, Technical memorandum, ECMWF Technical Memoranda

File

7768-will-4d-var-approach-be-defeated-nonlinearity.pdf

Sensitivity of the tropospheric circulation to changes in the strength of the stratospheric polar vortex.

Author

T. Jung

J. Barkmeijer

2005, Technical memorandum, ECMWF Technical Memoranda

File

10315-sensitivity-tropospheric-circulation-changes-strength-stratospheric-polar-vortex.pdf

Some aspects of systematic error in the ECMWF model.

Author

T. Jung

A.M. Tompkins

Mark Rodwell

2005, Technical memorandum, ECMWF Technical Memoranda

File

10316-some-aspects-systematic-error-ecmwf-model.pdf

Medium-range weather forecasting in the extratropics during wintertime with and without an interactive ocean.

Author

T. Jung

Frédéric Vitart

2005, Technical memorandum, ECMWF Technical Memoranda

File

10319-medium-range-weather-forecasting-extratropics-during-wintertime-and-without-interactive-ocean.pdf

Influence of stochastic physics on the frequency of occurrence of North Pacific weather regimes in the ECMWF model.

Author

T. Jung

T.N. Palmer

G.J. Shutts

2005, Technical memorandum, ECMWF Technical Memoranda

File

10327-influence-stochastic-physics-frequency-occurrence-north-pacific-weather-regimes-ecmwf-model.pdf

Assessing physical processes in the ECMWF model forecasts using the ARM SGP observations.

Author

S. Cheinet

Anton Beljaars

M. Köhler

J.-J. Morcrette

P. Viterbo

2005, Report, ECMWF-ARM Report Series

File

8658-assessing-physical-processes-ecmwf-model-forecasts-using-arm-sgp-observations.pdf

Passive microwave radiometer channel selection based on cloud and precipitation information content estimation.

Author

S. Di Michele

Peter Bauer

2005, Technical memorandum, ECMWF Technical Memoranda

File

9040-passive-microwave-radiometer-channel-selection-based-cloud-and-precipitation-information.pdf

The inclusion of aerosols and clouds in RTIASI, the ECMWF fast radiative transfer model for the infrared atmospheric sounding interferometer.

Author

Marco Matricardi

2005, Technical memorandum, ECMWF Technical Memoranda

File

11020-inclusion-aerosols-and-clouds-rtiasi-ecmwf-fast-radiative-transfer-model-infrared-atmospheric.pdf

Incremental 4D-Var convergence study

Author

Y. Trémolet

2005, Technical memorandum, ECMWF Technical Memoranda

File

12821-incremental-4d-var-convergence-study.pdf

Towards an integrated seasonal forecasting system for South America.

Author

C. Coelho

D. Stephenson

Magdalena Alonso-Balmaseda

F. Doblas-Reyes

G.J. van Oldenborgh

2005, Technical memorandum, ECMWF Technical Memoranda

File

8744-towards-integrated-seasonal-forecasting-system-south-america.pdf

ERA-40 Atlas. [Note: Large PDF file: 68.3 MB; Revised version posted 19.01.2006]

Author

P.W. Kållberg

P. Berrisford

B.J. Hoskins

Adrian Simmons

S. Uppala

S. Lamy-Thépaut

R. Hine

2005, Report, ERA-40 Project Report Series, ERA Report

File

10596-era-40-atlas-note-large-pdf-file-683-mb-revised-version-posted-19012006.pdf

Land-surface, boundary layer and cloud-field coupling over the south-western Amazon in ERA-40

Author

A. Betts

P. Viterbo

2005, Report, ERA-40 Project Report Series, ERA Report

File

8207-land-surface-boundary-layer-and-cloud-field-coupling-over-south-western-amazon-era-40.pdf

Diagnostics of linear and incremental approximations in 4D-Var revisited for higher resolution analysis

Author

G. Radnóti

Y. Trémolet

Erik Andersson

L. Isaksen

E. Hólm

Marta Janiskova

2005, Technical memorandum, ECMWF Technical Memoranda

File

11816-diagnostics-linear-and-incremental-approximations-4d-var-revisited-higher-resolution-analysis.pdf

Validation of the hydrological cycle of ERA-40

Author

S. Hagemann

K Arpe

L. Bengtsson

2005, Report, ERA-40 Project Report Series, ERA Report

File

9728-validation-hydrological-cycle-era-40.pdf

Homogenization of radiosonde temperature time series using ERA-40 analysis feedback information.

Author

L. Haimberger

2005, Report, ERA-40 Project Report Series, ERA Report

File

9738-homogenization-radiosonde-temperature-time-series-using-era-40-analysis-feedback-information.pdf

The shallow water limit of the Zakharov Equation and consequences for (freak) wave prediction.

Author

Peter Janssen

M. Onorato

2005, Technical memorandum, ECMWF Technical Memoranda

File

10230-shallow-water-limit-zakharov-equation-and-consequences-freak-wave-prediction.pdf

Verification statistics and evaluations of ECMWF forecasts in 2003-2004.

Author

F. Lalaurette

Jean-Raymond Bidlot

Laura Ferranti

A Ghelli

F. Grazzini

Martin Leutbecher

J-E. Paulsen

P. Viterbo

2005, Technical memorandum, ECMWF Technical Memoranda

File

10633-verification-statistics-and-evaluations-ecmwf-forecasts-2003-2004.pdf

A fast radiative transfer model for limb radiances: Accounting for horizontal gradients.

Author

Niels Bormann

Sean Healy

2005, Technical memorandum, ECMWF Technical Memoranda

File

8295-fast-radiative-transfer-model-limb-radiances-accounting-horizontal-gradients.pdf

Search ECMWF publications

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A multivariate treatment of bias for sequential data assimilation: application to the tropical oceans.

Accounting for an imperfect model in 4D-Var. [Comment: revised October 2006]

Report on the thirteenth Security Representatives' Meeting, 17-18 May 2005. (Restricted distribution)

Workshop to discuss a potential European Reanalysis project (EURRA) - Meeting Report

Impact of increasing greenhouse gas concentrations in seasonal ensemble forecasts.

Progress in ocean wave forecasting at ECMWF.

Will the 4D-Var approach be defeated by nonlinearity?

Sensitivity of the tropospheric circulation to changes in the strength of the stratospheric polar vortex.

Some aspects of systematic error in the ECMWF model.

Medium-range weather forecasting in the extratropics during wintertime with and without an interactive ocean.

Influence of stochastic physics on the frequency of occurrence of North Pacific weather regimes in the ECMWF model.

Assessing physical processes in the ECMWF model forecasts using the ARM SGP observations.

Passive microwave radiometer channel selection based on cloud and precipitation information content estimation.

The inclusion of aerosols and clouds in RTIASI, the ECMWF fast radiative transfer model for the infrared atmospheric sounding interferometer.

Incremental 4D-Var convergence study

Towards an integrated seasonal forecasting system for South America.

ERA-40 Atlas. [Note: Large PDF file: 68.3 MB; Revised version posted 19.01.2006]

Land-surface, boundary layer and cloud-field coupling over the south-western Amazon in ERA-40

Diagnostics of linear and incremental approximations in 4D-Var revisited for higher resolution analysis

Validation of the hydrological cycle of ERA-40

Homogenization of radiosonde temperature time series using ERA-40 analysis feedback information.

The shallow water limit of the Zakharov Equation and consequences for (freak) wave prediction.

Verification statistics and evaluations of ECMWF forecasts in 2003-2004.

A fast radiative transfer model for limb radiances: Accounting for horizontal gradients.

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