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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

GEMS 2006 Assembly: Discussion Session on Wildfires & Biomass Burning

Author

ECMWF

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14267-gems-2006-assembly-discussion-session-wildfires-biomass-burning.pdf

GEMS 2006 Assembly: Preliminary agenda for the Greenhouse Gas parallel session

Author

ECMWF

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14268-gems-2006-assembly-preliminary-agenda-greenhouse-gas-parallel-session.pdf

GEMS 2006 Assembly: Agenda for the Regional Air Quality Parallel Session

Author

ECMWF

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14270-gems-2006-assembly-agenda-regional-air-quality-parallel-session.pdf

Agenda of the AEROSOL session of the GEMS general assembly

Author

ECMWF

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14271-agenda-aerosol-session-gems-general-assembly.pdf

AER requirements for wild fires and biomass burning emissions

Author

O. Boucher

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14272-aer-requirements-wild-fires-and-biomass-burning-emissions.pdf

GEMS-aerosol breakout session

Author

ECMWF

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14273-gems-aerosol-breakout-session.pdf

AER- Items

Author

ECMWF

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14274-aer-items.pdf

Aerosol Modelling at ECMWF

Author

J.-J. Morcrette

O. Boucher

Peter Bechtold

Anton Beljaars

S. Serrar

A. Untch

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14275-aerosol-modelling-ecmwf.pdf

Aerosol modeling for variational data assimilation

Author

N. Huneeus

F. Chevallier

O. Boucher

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14276-aerosol-modeling-variational-data-assimilation.pdf

Stratospheric Aerosols

Author

S. Bekki

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14277-stratospheric-aerosols.pdf

GEMS AEROSOL WP2: refinement of aerosol emission sources - An outine of year 1

Author

M. Sofiev

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14278-gems-aerosol-wp2-refinement-aerosol-emission-sources-outine-year-1.pdf

GEMS AEROSOL Task 2.4: Quantification of wind-blown sea salt emission - Contribution of FMI, year 1

Author

M. Sofiev

2006, Presentation, GEMS Annual Assembly 2006, GEMS Annual Assembly

File

14279-gems-aerosol-task-24-quantification-wind-blown-sea-salt-emission-contribution-fmi-year-1.pdf

Search ECMWF publications

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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

GEMS 2006 Assembly: Discussion Session on Wildfires & Biomass Burning

GEMS 2006 Assembly: Preliminary agenda for the Greenhouse Gas parallel session

GEMS 2006 Assembly: Agenda for the Regional Air Quality Parallel Session

Agenda of the AEROSOL session of the GEMS general assembly

AER requirements for wild fires and biomass burning emissions

GEMS-aerosol breakout session

AER- Items

Aerosol Modelling at ECMWF

Aerosol modeling for variational data assimilation

Stratospheric Aerosols

GEMS AEROSOL WP2: refinement of aerosol emission sources - An outine of year 1

GEMS AEROSOL Task 2.4: Quantification of wind-blown sea salt emission - Contribution of FMI, year 1

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