Search ECMWF publications

8225-intercomparison-performance-operational-ocean-wave-forecasting-systems-buoy-data.pdf

D.J. Holmes,

P.A. Wittmann,

R. Lalbeharry,

H.S. Chen,

2000,Technical memorandum,ECMWF Technical Memoranda,

File

A revised formulation of ocean wave dissipation and its model impact

Author

8228-revised-formulation-ocean-wave-dissipation-and-its-model-impact.pdf

Peter Janssen,

Saleh Abdalla,

2007,Technical memorandum,ECMWF Technical Memoranda,

File

Modifications to the ECMWF WAM code

Author

8231-modifications-ecmwf-wam-code.pdf

B. Hansen,

Peter Janssen,

1997,Technical memorandum,ECMWF Technical Memoranda,

File

A modified set up of the advection scheme in the ECMWF wave model

Author

8232-modified-set-advection-scheme-ecmwf-wave-model.pdf

Peter Janssen,

B. Hansen,

H. Günther,

1997,Technical memorandum,ECMWF Technical Memoranda,

File

The surface and sub-surface scheme in the ECMWF forecasting model: Revision andoperational assessment

Author

C. Blondin,

H. Böttger,

1987,Technical memorandum,ECMWF Technical Memoranda,

File

8246-surface-and-sub-surface-scheme-ecmwf-forecasting-model-revision-andoperational-assessment.pdf

On some aspects of the impact of GPSRO observations in global numerical weather prediction

Author

8266-some-aspects-impact-gpsro-observations-global-numerical-weather-prediction.pdf

2013,Technical memorandum,ECMWF Technical Memoranda,

File

Estimating background-error variances with the ECMWF Ensemble of Data Assimilations system: the effect of ensemble size and day-to-day variability

Author

8268-estimating-background-error-variances-ecmwf-ensemble-data-assimilations-system-effect-ensemble.pdf

L. Raynaud,

L. Isaksen,

2010,Technical memorandum,ECMWF Technical Memoranda,

File

The evolution of the ECMWF hybrid data assimilation system

Author

8271-evolution-ecmwf-hybrid-data-assimilation-system.pdf

E. Hólm,

L. Isaksen,

Mike Fisher,

2014,Technical memorandum,ECMWF Technical Memoranda,

File

On the use of EDA background error variances in the ECMWF 4D-Var

Author

8272-use-eda-background-error-variances-ecmwf-4d-var.pdf

L. Isaksen,

E. Hólm,

2012,Technical memorandum,ECMWF Technical Memoranda,

File

The RTTOV-9 upgrade for clear-sky radiance assimilation in the IFS

Author

8285-rttov-9-upgrade-clear-sky-radiance-assimilation-ifs.pdf

Deborah Salmond,

Marco Matricardi,

Alan Geer

M. Hamrud,

2009,Technical memorandum,ECMWF Technical Memoranda,

File

Assimilation of MIPAS limb radiances in the ECMWF system. Part I: Experiments with a 1-dimensional observation operator.

Author

8289-assimilation-mipas-limb-radiances-ecmwf-system-part-i-experiments-1-dimensional-observation.pdf

Jean-Noël Thépaut,

2006,Technical memorandum,ECMWF Technical Memoranda,

File

Spread of the ensemble of data assimilations in radiance space

Author

8291-spread-ensemble-data-assimilations-radiance-space.pdf

2013,Technical memorandum,ECMWF Technical Memoranda,

File

Enhancing the impact of IASI observations through an updated observation error covariance matrix

Author

8292-enhancing-impact-iasi-observations-through-updated-observation-error-covariance-matrix.pdf

Rossana Dragani,

Reime Eresmaa,

Marco Matricardi,

A. McNally,

2015,Technical memorandum,ECMWF Technical Memoranda,

File

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

Author

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

Sean Healy,

2005,Technical memorandum,ECMWF Technical Memoranda,

File

Estimates of spatial and inter-channel observation error characteristics for current sounder radiances for NWP

Author

8299-estimates-spatial-and-inter-channel-observation-error-characteristics-current-sounder-radiances.pdf

A. Collard,

Peter Bauer

2009,Technical memorandum,ECMWF Technical Memoranda,

File

Evaluation and assimilation of ATMS data in the ECMWF system

Author

8301-evaluation-and-assimilation-atms-data-ecmwf-system.pdf

Anne Fouilloux,

W. Bell,

2012,Technical memorandum,ECMWF Technical Memoranda,

File

Evaluation of the microwave ocean surface emissivity model FASTEM-5 in the IFS

Author

8303-evaluation-microwave-ocean-surface-emissivity-model-fastem-5-ifs.pdf

Alan Geer

S.J. English,

2012,Technical memorandum,ECMWF Technical Memoranda,

File

Operational implementation of RTTOV-10 in the IFS

Author

8304-operational-implementation-rttov-10-ifs.pdf

Alan Geer

Tomas Wilhelmsson,

2011,Technical memorandum,ECMWF Technical Memoranda,

File

RTMIPAS: A fast radiative transfer model for the assimilation of infrared limb radiances from MIPAS.

Author

8309-rtmipas-fast-radiative-transfer-model-assimilation-infrared-limb-radiances-mipas.pdf

Marco Matricardi,

Sean Healy,

2004,Technical memorandum,ECMWF Technical Memoranda,

File

Assimilation of MIPAS limb radiances in the ECMWF system. Part II: Experiments with a 2-dimensional observation operator and comparison to retrieval assimilation

Author