Search ECMWF publications

The sensitivity of analysis errors to the specification of background error covariances

Author

Mike Fisher

2007, Presentation

File

15662-sensitivity-analysis-errors-specification-background-error-covariances.pdf

Ideas for adding flow-dependence to the Met Office VAR system

Author

A. Lorenc

2007, Presentation

File

15663-ideas-adding-flow-dependence-met-office-var-system.pdf

Covariance modelling in a grid-point analysis

Author

J. Purser

M de Pondeca

D.F. Parrish

D. Dévényi

2007, Presentation

File

15664-covariance-modelling-grid-point-analysis.pdf

Ensemble Jb modelling

Author

M. Buehner

2007, Presentation

File

15665-ensemble-jb-modelling.pdf

Use of analysis ensembles in estimating flow-dependent background error variances

Author

L. Isaksen

2007, Presentation

File

15666-use-analysis-ensembles-estimating-flow-dependent-background-error-variances.pdf

Implementation of the LETKF on the NCEP global forecast system

Author

I. Szunyogh

2007, Presentation

File

15667-implementation-letkf-ncep-global-forecast-system.pdf

Impacts of flow-dependent background-error covariances in the NCEP global forecast system

Author

J.S. Whitaker

T.M. Hamill

G.P. Compo

X Wang

2007, Presentation

File

15668-impacts-flow-dependent-background-error-covariances-ncep-global-forecast-system.pdf

A regime-dependent balanced control variable based on potential vorticity

Author

R.N. Bannister

Mike Cullen

2007, Presentation

File

15669-regime-dependent-balanced-control-variable-based-potential-vorticity.pdf

Diabatic balance for the Canadian continental LAM-4D-Var

Author

L. Fillion

M. Tanguay

E. Lapalme

B. Denis

2007, Presentation

File

15670-diabatic-balance-canadian-continental-lam-4d-var.pdf

Humidity control variable and supersaturation

Author

E. Hólm

2007, Presentation

File

15671-humidity-control-variable-and-supersaturation.pdf

Background errors in HIRLAM variational data assimilation

Author

M. Lindskog

O. Vignes

N. Gustafsson

T. Landelius

S. Thorsteinsson

2007, Presentation

File

15672-background-errors-hirlam-variational-data-assimilation.pdf

Ensemble forecasting and flow-dependent estimates of initial uncertainty

Author

Martin Leutbecher

Roberto Buizza

L. Isaksen

2007, Presentation

File

15673-ensemble-forecasting-and-flow-dependent-estimates-initial-uncertainty.pdf

Spatial filtering of assimilation ensemble statistics: increase of sample size by local spatial averaging

Author

O. Pannekoucke

L. Berre

G. Desroziers

S. Ştefănescu

B. Chapnik

L. Raynaud

2007, Presentation

File

15674-spatial-filtering-assimilation-ensemble-statistics-increase-sample-size-local-spatial.pdf

Representation of inhomogeneous, non-seperable covariances by sparse wavelet-transformed matrices

Author

A. Rhodin

H. Anlauf

2007, Presentation

File

15675-representation-inhomogeneous-non-seperable-covariances-sparse-wavelet-transformed-matrices.pdf

Report on the fifteenth Security Representatives' Meeting, 21-22 May 2007. (Restricted distribution)

Author

P. Prior

2007, Technical memorandum, ECMWF Technical Memoranda

Report on the nineteenth meeting of Computing Representatives 22-24 May 2007

Author

P. Prior

2007, Technical memorandum, ECMWF Technical Memoranda

File

11742-report-nineteenth-meeting-computing-representatives-22-24-may-2007.pdf

Evaluating cloud fraction and ice water content in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Author

D. Bouniol

A. Protat

J. Delanoë

J. Pelon

D.P. Donovan

J.-M. Piriou

F. Bouyssel

A.M. Tompkins

D. Wilson

Y. Morille

M. Haeffelin

E.J. O'Connor

Robin Hogan

A.J. Illingworth

2007, Technical memorandum, ECMWF Technical Memoranda

File

8330-evaluating-cloud-fraction-and-ice-water-content-ecmwf-integrated-forecast-system-and-three.pdf

Evaluating cloud occurrence in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Author

D. Bouniol

A. Protat

J. Delanoë

J. Pelon

D.P. Donovan

J.-M. Piriou

F. Bouyssel

A.M. Tompkins

D. Wilson

Y. Morille

M. Haeffelin

E.J. O'Connor

Robin Hogan

A.J. Illingworth

2007, Technical memorandum, ECMWF Technical Memoranda

File

8331-evaluating-cloud-occurrence-ecmwf-integrated-forecast-system-and-three-other-operational.pdf

Analysis of Leaf Area Index in the ECMWF land surface scheme and impact on latent heat and carbon fluxes: Applications to West Africa

Author

L. Jarlan

Gianpaolo Balsamo

S. Lafont

Anton Beljaars

J-C. Calvet

E. Mougin

2007, Technical memorandum, ECMWF Technical Memoranda

File

10247-analysis-leaf-area-index-ecmwf-land-surface-scheme-and-impact-latent-heat-and-carbon-fluxes.pdf

Evaluation of revised parameterizations of sub-grid orographic drag.

Author

A. Orr

2007, Technical memorandum, ECMWF Technical Memoranda

File

11452-evaluation-revised-parameterizations-sub-grid-orographic-drag.pdf

Downscaling of ECMWF seasonal integrations by RegCM

Author

C. Brankovic

M. Patarci

2007, Conference Paper

File

73806-downscaling-ecmwf-seasonal-integrations-regcm.pdf

Convection in Lorenz's global energy cycle with the ECMWF model.

Author

M. Steinheimer

M. Hantel

Peter Bechtold

2007, Technical memorandum, ECMWF Technical Memoranda

File

12394-convection-lorenzs-global-energy-cycle-ecmwf-model.pdf

Evaluation of the impact of the space component of the Global Observing System through Observing System Experiments.

Author

G.A. Kelly

Jean-Noël Thépaut

2007, Report, Final Report SOW EUM.MET.SOW.04.0290, EUMETSAT/ECMWF Fellowship Programme Research Reports

File

10434-evaluation-impact-space-component-global-observing-system-through-observing-system-experiments.pdf

Recent advances in radiation transfer parametrizations

Author

J.-J. Morcrette

Peter Bechtold

Anton Beljaars

Angela Benedetti

Axel Bonet

F. Doblas-Reyes

J. Hague

M. Hamrud

J. Haseler

J. Kaiser

Martin Leutbecher

G. Mozdzynski

Miha Razinger

Deborah Salmond

S. Serrar

Martin Suttie

A.M. Tompkins

A. Untch

Antje Weisheimer

2007, Technical memorandum, ECMWF Technical Memoranda

File

11264-recent-advances-radiation-transfer-parametrizations.pdf

Search ECMWF publications

Sort by

The sensitivity of analysis errors to the specification of background error covariances

Ideas for adding flow-dependence to the Met Office VAR system

Covariance modelling in a grid-point analysis

Ensemble Jb modelling

Use of analysis ensembles in estimating flow-dependent background error variances

Implementation of the LETKF on the NCEP global forecast system

Impacts of flow-dependent background-error covariances in the NCEP global forecast system

A regime-dependent balanced control variable based on potential vorticity

Diabatic balance for the Canadian continental LAM-4D-Var

Humidity control variable and supersaturation

Background errors in HIRLAM variational data assimilation

Ensemble forecasting and flow-dependent estimates of initial uncertainty

Spatial filtering of assimilation ensemble statistics: increase of sample size by local spatial averaging

Representation of inhomogeneous, non-seperable covariances by sparse wavelet-transformed matrices

Report on the fifteenth Security Representatives' Meeting, 21-22 May 2007. (Restricted distribution)

Report on the nineteenth meeting of Computing Representatives 22-24 May 2007

Evaluating cloud fraction and ice water content in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Evaluating cloud occurrence in the ECMWF integrated forecast system and three other operational forecasts models using long-term ground-based radar and lidar measurements.

Analysis of Leaf Area Index in the ECMWF land surface scheme and impact on latent heat and carbon fluxes: Applications to West Africa

Evaluation of revised parameterizations of sub-grid orographic drag.

Downscaling of ECMWF seasonal integrations by RegCM

Convection in Lorenz's global energy cycle with the ECMWF model.

Evaluation of the impact of the space component of the Global Observing System through Observing System Experiments.

Recent advances in radiation transfer parametrizations

Filter by Year

Filter by Type of publication

Author(s)