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Physical processes in adjoint models: potential pitfalls and benefits

Author

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74992-physical-processes-adjoint-models-potential-pitfalls-and-benefits.pdf

Impact of sea state on atmosphere and ocean

Author

Peter Janssen

Ø. Saetra

Jean-Raymond Bidlot

Anton Beljaars

2003, Conference Paper, ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002

File

75038-impact-sea-state-atmosphere-and-ocean.pdf

Sensitivities and singular vectors with moist norms

Author

T. Jung

J. Barkmeijer

M.M. Coutinho

C. Mazeran

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

75106-sensitivities-and-singular-vectors-moist-norms.pdf

ERA-40 hydrological cycle

Author

P.W. Kållberg

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

75124-era-40-hydrological-cycle.pdf

Data assimilation via local Ensemble Kalman Filtering.

Author

Eugenia Kalnay

M. Corazza

S.-C. Yang

B. Hunt

E. Kostelich

E. Ott

D. Patil

I. Szunyogh

J. Yorke

A. Zimin

2003, Conference Paper, Seminar on Predictability of weather and climate, 9-13 September 2002

File

75133-data-assimilation-local-ensemble-kalman-filtering.pdf

Sea surface temperature modification of low-level winds

Author

D.B. Chelton

2003, Conference Paper, ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002

File

73971-sea-surface-temperature-modification-low-level-winds.pdf

Cloud/hydrometeor assimilation into 20-km rapid update cycle

Author

D. Kim

S.G. Benjamin

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

74083-cloudhydrometeor-assimilation-20-km-rapid-update-cycle.pdf

SSMIS 1D-Var retrievals

Author

G. Deblonde

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

74140-ssmis-1d-var-retrievals.pdf

Detection and correction of model bias during data assimilation

Author

D.P. Dee

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74142-detection-and-correction-model-bias-during-data-assimilation.pdf

An adaptive scheme for cycling background error variances during data assimilation

Author

D.P. Dee

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

74151-adaptive-scheme-cycling-background-error-variances-during-data-assimilation.pdf

Flow dependent Jb in grid-point 3D-Var

Author

J.C. Derber

R.J. Purser

W-S. Wu

R. Treadon

M. Pondeca

D. Parrish

D. Kleist

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74191-flow-dependent-jb-grid-point-3d-var.pdf

Adaptive observations, the Hessian metric and singular vectors

Author

Martin Leutbecher

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

75391-adaptive-observations-hessian-metric-and-singular-vectors.pdf

1D-Var tests with TMI and SSM/I observations in rainy areas

Author

Philippe Lopez

E. Moreau

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

75435-1d-var-tests-tmi-and-ssmi-observations-rainy-areas.pdf

Relative merits of 4D-Var and Ensemble Kalman Filter

Author

A. Lorenc

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

75452-relative-merits-4d-var-and-ensemble-kalman-filter.pdf

Upper ocean model physics development

Author

G. Madec

2003, Conference Paper, ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002

File

75514-upper-ocean-model-physics-development.pdf

Radiative transfer modelling for humidity

Author

Marco Matricardi

F. Chevallier

G.A. Kelly

Jean-Noël Thépaut

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

75604-radiative-transfer-modelling-humidity.pdf

High resolution numerical stimulation of precipitating events: on the importance of initial humidity field

Author

V. Ducrocq

M. Nuret

J.-P. Lafore

D. Ricard

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

74286-high-resolution-numerical-stimulation-precipitating-events-importance-initial-humidity-field.pdf

Overview of observing system experiments

Author

R. Dumelow

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74293-overview-observing-system-experiments.pdf

The Liouville equation in atmospheric predictability.

Author

Martin Ehrendorfer

2003, Conference Paper, Seminar on Predictability of weather and climate, 9-13 September 2002

File

74388-liouville-equation-atmospheric-predictability.pdf

Stratospheric ozone: satellite observations, data assimilation and forecasts

Author

H. Eskes

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74417-stratospheric-ozone-satellite-observations-data-assimilation-and-forecasts.pdf

The Ensemble Kalman Filter: theoretical formulation and practical implementation

Author

G. Evensen

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74424-ensemble-kalman-filter-theoretical-formulation-and-practical-implementation.pdf

Approximating optimal state estimation

Author

B. Farrell

P.J. Ioannou

2003, Conference Paper, Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003

File

74452-approximating-optimal-state-estimation.pdf

Optimal state estimation using balanced truncation.

Author

B. Farrell

P.J. Ioannou

2003, Conference Paper, Seminar on Predictability of weather and climate, 9-13 September 2002

File

74454-optimal-state-estimation-using-balanced-truncation.pdf

Jacobians of ECMWF prognostic and diagnostic cloud schemes

Author

L. Fillion

J.-F. Mahfouf

2003, Conference Paper, ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002

File

74469-jacobians-ecmwf-prognostic-and-diagnostic-cloud-schemes.pdf

Search ECMWF publications

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Physical processes in adjoint models: potential pitfalls and benefits

Impact of sea state on atmosphere and ocean

Sensitivities and singular vectors with moist norms

ERA-40 hydrological cycle

Data assimilation via local Ensemble Kalman Filtering.

Sea surface temperature modification of low-level winds

Cloud/hydrometeor assimilation into 20-km rapid update cycle

SSMIS 1D-Var retrievals

Detection and correction of model bias during data assimilation

An adaptive scheme for cycling background error variances during data assimilation

Flow dependent Jb in grid-point 3D-Var

Adaptive observations, the Hessian metric and singular vectors

1D-Var tests with TMI and SSM/I observations in rainy areas

Relative merits of 4D-Var and Ensemble Kalman Filter

Upper ocean model physics development

Radiative transfer modelling for humidity

High resolution numerical stimulation of precipitating events: on the importance of initial humidity field

Overview of observing system experiments

The Liouville equation in atmospheric predictability.

Stratospheric ozone: satellite observations, data assimilation and forecasts

The Ensemble Kalman Filter: theoretical formulation and practical implementation

Approximating optimal state estimation

Optimal state estimation using balanced truncation.

Jacobians of ECMWF prognostic and diagnostic cloud schemes

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