Search Results - "Beljaars, A."

STABLE ATMOSPHERIC BOUNDARY LAYERS AND DIURNAL CYCLES: Challenges for Weather and Climate Models by Holtslag, A. A. M., Svensson, G., Baas, P., Basu, S., Beare, B., Beljaars, A. C. M., Bosveld, F. C., Cuxart, J., Lindvall, J., Steeneveld, G. J., Tjernström, M., Van De Wiel, B. J. H.

“…The representation of the atmospheric boundary layer is an important part of weather and climate models and impacts many applications such as air quality and…”
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ERA-Interim/Land: a global land surface reanalysis data set by Balsamo, G, Albergel, C, Beljaars, A, Boussetta, S, Brun, E, Cloke, H, Dee, D, Dutra, E, Muñoz-Sabater, J, Pappenberger, F, de Rosnay, P, Stockdale, T, Vitart, F

“…ERA-Interim/Land is a global land surface reanalysis data set covering the period 1979–2010. It describes the evolution of soil moisture, soil temperature and…”
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Comparison of model land skin temperature with remotely sensed estimates and assessment of surface-atmosphere coupling by Trigo, I. F., Boussetta, S., Viterbo, P., Balsamo, G., Beljaars, A., Sandu, I.

“…The coupling between land surface and the atmosphere is a key feature in Earth System Modeling for exploiting the predictability of slowly evolving geophysical…”
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THE EARTHCARE SATELLITE: The Next Step Forward in Global Measurements of Clouds, Aerosols, Precipitation, and Radiation by Illingworth, A. J., Barker, H. W., Beljaars, A., Ceccaldi, M., Chepfer, H., Clerbaux, N., Cole, J., Delanoë, J., Domenech, C., Donovan, D. P., Fukuda, S., Hirakata, M., Hogan, R. J., Huenerbein, A., Kollias, P., Kubota, T., Nakajima, T., Nakajima, T. Y., Nishizawa, T., Ohno, Y., Okamoto, H., Oki, R., Sato, K., Satoh, M., Shephard, M. W., Velázquez-Blázquez, A., Wandinger, U., Wehr, T., van Zadelhoff, G.-J.

“…The collective representation within global models of aerosol, cloud, precipitation, and their radiative properties remains unsatisfactory. They constitute the…”
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Tropospheric chemistry in the Integrated Forecasting System of ECMWF by Flemming, J, Huijnen, V, Arteta, J, Bechtold, P, Beljaars, A, Blechschmidt, A.-M, Diamantakis, M, Engelen, R. J, Gaudel, A, Inness, A, Jones, L, Josse, B, Katragkou, E, Marecal, V, Peuch, V.-H, Richter, A, Schultz, M. G, Stein, O, Tsikerdekis, A

“…A representation of atmospheric chemistry has been included in the Integrated Forecasting System (IFS) of the European Centre for Medium-Range Weather…”
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Aerosol analysis and forecast in the European Centre for Medium-Range Weather Forecasts Integrated Forecast System: Forward modeling by Morcrette, J.-J., Boucher, O., Jones, L., Salmond, D., Bechtold, P., Beljaars, A., Benedetti, A., Bonet, A., Kaiser, J. W., Razinger, M., Schulz, M., Serrar, S., Simmons, A. J., Sofiev, M., Suttie, M., Tompkins, A. M., Untch, A.

“…This paper presents the aerosol modeling now part of the ECMWF Integrated Forecasting System (IFS). It includes new prognostic variables for the mass of sea…”
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Unified treatment of dry convective and stratocumulus‐topped boundary layers in the ECMWF model by Köhler, M., Ahlgrimm, M., Beljaars, A.

“…The unified parametrization of the dry boundary layer and stratocumulus in the ECMWF model is described using the eddy diffusivity mass‐flux framework. Model…”
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The ECMWF model climate: recent progress through improved physical parametrizations by Jung, T., Balsamo, G., Bechtold, P., Beljaars, A. C. M., Köhler, M., Miller, M. J., Morcrette, J.‐J., Orr, A., Rodwell, M. J., Tompkins, A. M.

“…The progress achieved since 2005 in simulating today's climate with the European Centre for Medium‐Range Weather Forecasts (ECMWF) model through improved…”
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Comparison of trends and low-frequency variability in CRU, ERA-40, and NCEP/NCAR analyses of surface air temperature by Simmons, A. J., Jones, P. D., da Costa Bechtold, V., Beljaars, A. C. M., Kållberg, P. W., Saarinen, S., Uppala, S. M., Viterbo, P., Wedi, N.

“…Anomalies in monthly mean surface air temperature from the 45‐Year European Centre for Medium‐Range Weather Forecasts (ECMWF) Re‐Analysis (ERA‐40) and the…”
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Evaluation of the Diurnal Cycle in the Atmospheric Boundary Layer Over Land as Represented by a Variety of Single-Column Models: The Second GABLS Experiment by Svensson, G., Holtslag, A. A. M., Kumar, V., Mauritsen, T., Steeneveld, G. J., Angevine, W. M., Bazile, E., Beljaars, A., de Bruijn, E. I. F., Cheng, A., Conangla, L., Cuxart, J., Ek, M., Falk, M. J., Freedman, F., Kitagawa, H., Larson, V. E., Lock, A., Mailhot, J., Masson, V., Park, S., Pleim, J., Söderberg, S., Weng, W., Zampieri, M.

“…We present the main results from the second model intercomparison within the GEWEX (Global Energy and Water cycle EXperiment) Atmospheric Boundary Layer Study…”
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The ERA‐40 re‐analysis by Uppala, S. M., KÅllberg, P. W., Simmons, A. J., Andrae, U., Bechtold, V. Da Costa, Fiorino, M., Gibson, J. K., Haseler, J., Hernandez, A., Kelly, G. A., Li, X., Onogi, K., Saarinen, S., Sokka, N., Allan, R. P., Andersson, E., Arpe, K., Balmaseda, M. A., Beljaars, A. C. M., Berg, L. Van De, Bidlot, J., Bormann, N., Caires, S., Chevallier, F., Dethof, A., Dragosavac, M., Fisher, M., Fuentes, M., Hagemann, S., Hólm, E., Hoskins, B. J., Isaksen, L., Janssen, P. A. E. M., Jenne, R., Mcnally, A. P., Mahfouf, J.‐F., Morcrette, J.‐J., Rayner, N. A., Saunders, R. W., Simon, P., Sterl, A., Trenberth, K. E., Untch, A., Vasiljevic, D., Viterbo, P., Woollen, J.

“…ERA‐40 is a re‐analysis of meteorological observations from September 1957 to August 2002 produced by the European Centre for Medium‐Range Weather Forecasts…”
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Analysis of leaf area index in the ECMWF land surface model and impact on latent heat and carbon fluxes: Application to West Africa by Jarlan, L., Balsamo, G., Lafont, S., Beljaars, A., Calvet, J. C., Mougin, E.

“…A new version of the land surface model of the European Centre for Medium‐Range Weather Forecasts (Carbon‐TESSEL, or CTESSEL) includes a vegetation growth…”
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Soil temperature at ECMWF: An assessment using ground-based observations by Albergel, C., Dutra, E., Muñoz-Sabater, J., Haiden, T., Balsamo, G., Beljaars, A., Isaksen, L., de Rosnay, P., Sandu, I., Wedi, N.

“…Soil temperature is an important variable for the representation of many physical processes in numerical weather prediction (NWP). It is the key driver for all…”
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Forecasting global atmospheric CO2 by Agustí-Panareda, A., Massart, S., Chevallier, F., Boussetta, S., Balsamo, G., Beljaars, A., Ciais, Philippe, Deutscher, N., Engelen, R., Jones, L., Kivi, R., Paris, J.-D., Peuch, V.-H., Sherlock, V., Vermeulen, A., Wennberg, P., Wunch, D.

“…A new global atmospheric carbon dioxide (CO 2) real-time forecast is now available as part of the pre-operational Monitoring of Atmospheric Composition and…”
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The simulation of the diurnal cycle of convective precipitation over land in a global model by Bechtold, P., Chaboureau, J.‐P., Beljaars, A., Betts, A. K., Köhler, M., Miller, M., Redelsperger, J.‐L.

“…In the context of the European Cloud Systems project, the problem of the simulation of the diurnal cycle of convective precipitation over land is addressed…”
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Single-Column Model Intercomparison for a Stably Stratified Atmospheric Boundary Layer by Cuxart, J., Holtslag, A. A. M., Beare, R. J., Bazile, E., Beljaars, A., Cheng, A., Conangla, L., Ek, M., Freedman, F., Hamdi, R., Kerstein, A., Kitagawa, H., Lenderink, G., Lewellen, D., Mailhot, J., Mauritsen, T., Perov, V., Schayes, G., Steeneveld, G-J., Svensson, G., Taylor, P., Weng, W., Wunsch, S., Xu, K-M.

“…The parameterization of the stably stratified atmospheric boundary layer is a difficult issue, having a significant impact on medium-range weather forecasts…”
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The diabatic heat budget of the upper troposphere and lower/mid stratosphere in ECMWF reanalyses by Fueglistaler, S., Legras, B., Beljaars, A., Morcrette, J.‐J., Simmons, A., Tompkins, A. M., Uppala, S.

“…We present an analysis of the diabatic terms in the thermodynamic energy equation from ERA‐40 and the ECMWF reanalysis ERA‐Interim. We analyse the clear‐sky…”
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ECMWF and UK Met Office Offshore Blowing Winds: Impact of Horizontal Resolution and Coastal Orography by Cavaleri, L., Balsamo, G., Beljaars, A., Bertotti, L., Davison, S., Edwards, J., Kanehama, T., Wedi, N.

“…We analyze the performance of the European Centre for Medium‐Range Weather Forecasts (ECMWF) and UK Met Office (UKMO) meteorological models in predicting…”
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Impact of improved soil moisture on the ECMWF precipitation forecast in West Africa by Agustí-Panareda, A., Balsamo, G., Beljaars, A.

“…West Africa is a region of strong coupling between soil moisture and precipitation and where numerical weather prediction of precipitation generally exhibits…”
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Evaluating the potential of large-scale simulations to predict carbon fluxes of terrestrial ecosystems over a European Eddy Covariance network by Balzarolo, M, Boussetta, S, Balsamo, G, Beljaars, A, Maignan, F, Calvet, J.-C, Lafont, S, Barbu, A, Poulter, B, Chevallier, F, Szczypta, C, Papale, D

“…This paper reports a comparison between large-scale simulations of three different land surface models (LSMs), ORCHIDEE, ISBA-A-gs and CTESSEL, forced with the…”
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