Search ECMWF publications

Sort by

Showing 409 - 432 of 8414 results

Preliminary assessment of long-range integrations performed with the ECMWF globalmodel

Author

U. Cubasch

1981, Technical memorandum, ECMWF Technical Memoranda

File

8811-preliminary-assessment-long-range-integrations-performed-ecmwf-globalmodel.pdf

The performance of the ECMWF model in 50 day integrations

Author

U. Cubasch

1981, Technical memorandum, ECMWF Technical Memoranda

File

8812-performance-ecmwf-model-50-day-integrations.pdf

The response of the ECMWF global model to the El-Nino anomaly in extended range prediction experiments

Author

U. Cubasch

1983, Report

File

8813-response-ecmwf-global-model-el-nino-anomaly-extended-range-prediction-experiments.pdf

Comparison of the influence of different radiation parameterizations on 10-day forecasts

Author

U. Cubasch

1980, Conference Paper, Workshop on Radiation and Cloud-radiation in Numerical Modelling, 15-17 October 1980

File

74058-comparison-influence-different-radiation-parameterizations-10-day-forecasts.pdf

Sensitivity of the ECMWF model to changes in resolution

Author

U. Cubasch

1982, Conference Paper, Workshop on Intercomparison of Large-scale Models used for Extended Range Forecasts, 30 June - 2 July 1982

File

74059-sensitivity-ecmwf-model-changes-resolution.pdf

Predictability studies with the ECMWF model for the extended range: The impact ofhorizontal resolution and boundary layer forcing

Author

U. Cubasch

A.C. Wiin-Nielsen

1985, Technical memorandum, ECMWF Technical Memoranda

File

8821-predictability-studies-ecmwf-model-extended-range-impact-ofhorizontal-resolution-and-boundary.pdf

Assimilation of GPS radio occultation measurements at NCEP.

Author

L. Cucurull

2008, Conference Paper, ECMWF GRAS SAF Workshop on Applications of GPS Radio Occultation Measurements, 16 - 18 June 2008

File

74061-assimilation-gps-radio-occultation-measurements-ncep.pdf

The use of dynamical knowledge of the atmosphere to improve NWP models

Author

Mike Cullen

1998, Conference Paper, Seminar on Recent Developments in Numerical Methods for Atmospheric Modelling, 7-11 September 1998

File

74062-use-dynamical-knowledge-atmosphere-improve-nwp-models.pdf

Diagnostic studies of the dynamical behaviour of the ECMWF model

Author

Mike Cullen

1999, Conference Paper, Diagnosis of models and data assimilation systems, 6-10 September 1999

File

74063-diagnostic-studies-dynamical-behaviour-ecmwf-model.pdf

Key numerical issues for the future development of the ECMWF numerical model

Author

Mike Cullen

Deborah Salmond

Piotr Smolarkiewicz

2000, Conference Paper, Workshop on Developments in Numerical Methods for Very High resolution global models, 5-7 June 2000

File

74064-key-numerical-issues-future-development-ecmwf-numerical-model.pdf

Interaction of parametrised processes and resolved dynamics

Author

Mike Cullen

Deborah Salmond

2001, Conference Paper, Key issues in the parametrization of subgrid physical processes, 3-7 September 2001

File

74065-interaction-parametrised-processes-and-resolved-dynamics.pdf

On the accuracy of the semi-geostrophic approximation

Author

Mike Cullen

1999, Technical memorandum, ECMWF Technical Memoranda

File

8829-accuracy-semi-geostrophic-approximation.pdf

Alternative implementations of the semi-Lagrangian semi-implicit schemes in the ECMWF model

Author

Mike Cullen

2000, Technical memorandum, ECMWF Technical Memoranda

File

8830-alternative-implementations-semi-lagrangian-semi-implicit-schemes-ecmwf-model.pdf

Large scale non-turbulent dynamics in the atmosphere

Author

Mike Cullen

2001, Technical memorandum, ECMWF Technical Memoranda

File

8831-large-scale-non-turbulent-dynamics-atmosphere.pdf

Large-amplitude nonlinear stability results for atmospheric circulations

Author

Mike Cullen

2001, Technical memorandum, ECMWF Technical Memoranda

File

8832-large-amplitude-nonlinear-stability-results-atmospheric-circulations.pdf

Use of potential vorticity as a control variable within a 4D variational data assimilation system

Author

Mike Cullen

2002, Technical memorandum, ECMWF Technical Memoranda

File

8833-use-potential-vorticity-control-variable-within-4d-variational-data-assimilation-system.pdf

Finite difference methods

Author

Mike Cullen

1991, Conference Paper, Seminar on Numerical Methods in Atmospheric Models, 9-13 September 1991

File

74071-finite-difference-methods.pdf

The unified forecast/climate model

Author

Mike Cullen

1991, Conference Paper, Seminar on Numerical Methods in Atmospheric Models, 9-13 September 1991

File

74072-unified-forecastclimate-model.pdf

Solutions of some nonlinear partial differential equations relevant to meteorology and implications for numerical methods

Author

Mike Cullen

1983, Conference Paper, Seminar on Numerical Methods for Weather Prediction, 5-9 September 1983

File

74073-solutions-some-nonlinear-partial-differential-equations-relevant-meteorology-and-implications.pdf

Properties of the partial differential equations governing various types of atmospheric motion and implications for numerical methods

Author

Mike Cullen

1987, Conference Paper, Workshop on Techniques for Horizontal Discretization in Numerical Weather Prediction Models, 2-4 November 1987

File

74074-properties-partial-differential-equations-governing-various-types-atmospheric-motion-and.pdf

Forecasts using different models (extended abstract)

Author

Mike Cullen

1979, Conference Paper, Workshop on Stochastic Dynamic Forecasting, 17-19 October 1979

File

74075-forecasts-using-different-models-extended-abstract.pdf

Barrier effects in fine mesh models

Author

Mike Cullen

G.J. Shutts

1986, Conference Paper, Seminar/Workshop on Observation, Theory and Modelling of Orographic effects. Seminar: 15-19 September 1986, Workshop: 19-20 September 1986

File

74076-barrier-effects-fine-mesh-models.pdf

On the use of a predictor-corrector scheme to couple the dynamics with the physical parametrizations in the ECMWF model

Author

Mike Cullen

Deborah Salmond

2002, Technical memorandum, ECMWF Technical Memoranda

File

8842-use-predictor-corrector-scheme-couple-dynamics-physical-parametrizations-ecmwf-model.pdf

The use of computer graphics in the numerical simulation of detonics and penetration mechanics

Author

I. Cullis

P. Fozard

1987, Conference Paper, Workshop on Meteorological Operations Systems, 7-11 December 1987

File

74078-use-computer-graphics-numerical-simulation-detonics-and-penetration-mechanics.pdf