Search Results - "Thépaut, J.‐N."

TOWARD A CONSISTENT REANALYSIS OF THE CLIMATE SYSTEM by Dee, D. P., Balmaseda, M., Balsamo, G., Engelen, R., Simmons, A. J., Thépaut, J.-N.

“…This article reviews past and current reanalysis activities at the European Centre for Medium-Range Weather Forecasts (ECMWF) and describes plans for…”
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Assimilation experiments with CHAMP GPS radio occultation measurements by Healy, S. B., Thépaut, J.‐N.

“…A one‐dimensional bending‐angle observation operator for assimilating GPS radio occultation (RO) measurements has been integrated into the ECMWF…”
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Intercomparison of polar ozone profiles by IASI/MetOp sounder with 2010 Concordiasi ozonesonde observations by Gazeaux, J, Clerbaux, C, George, M, Hadji-Lazaro, J, Kuttippurath, J, Coheur, P.-F, Hurtmans, D, Deshler, T, Kovilakam, M, Campbell, P, Guidard, V, Rabier, F, Thépaut, J.-N

“…Validation of ozone profiles measured from a nadir looking satellite instrument over Antarctica is a challenging task due to differences in their vertical…”
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A reassessment of temperature variations and trends from global reanalyses and monthly surface climatological datasets by Simmons, A. J., Berrisford, P., Dee, D. P., Hersbach, H., Hirahara, S., Thépaut, J.‐N.

“…The ERA‐Interim and JRA‐55 reanalyses of synoptic data and several conventional analyses of monthly climatological data provide similar estimates of…”
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The ERA‐Interim reanalysis: configuration and performance of the data assimilation system by Dee, D. P., Uppala, S. M., Simmons, A. J., Berrisford, P., Poli, P., Kobayashi, S., Andrae, U., Balmaseda, M. A., Balsamo, G., Bauer, P., Bechtold, P., Beljaars, A. C. M., van de Berg, L., Bidlot, J., Bormann, N., Delsol, C., Dragani, R., Fuentes, M., Geer, A. J., Haimberger, L., Healy, S. B., Hersbach, H., Hólm, E. V., Isaksen, L., Kållberg, P., Köhler, M., Matricardi, M., McNally, A. P., Monge‐Sanz, B. M., Morcrette, J.‐J., Park, B.‐K., Peubey, C., de Rosnay, P., Tavolato, C., Thépaut, J.‐N., Vitart, F.

“…ERA‐Interim is the latest global atmospheric reanalysis produced by the European Centre for Medium‐Range Weather Forecasts (ECMWF). The ERA‐Interim project was…”
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The MACC reanalysis: an 8 yr data set of atmospheric composition by Inness, A, Baier, F, Benedetti, A, Bouarar, I, Chabrillat, S, Clark, H, Clerbaux, C, Coheur, P, Engelen, R. J, Errera, Q, Flemming, J, George, M, Granier, C, Hadji-Lazaro, J, Huijnen, V, Hurtmans, D, Jones, L, Kaiser, J. W, Kapsomenakis, J, Lefever, K, Leitão, J, Razinger, M, Richter, A, Schultz, M. G, Simmons, A. J, Suttie, M, Stein, O, Thépaut, J.-N, Thouret, V, Vrekoussis, M, Zerefos, C, the MACC team

“…An eight-year long reanalysis of atmospheric composition data covering the period 2003–2010 was constructed as part of the FP7-funded Monitoring Atmospheric…”
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Feedbacks of dust and boundary layer meteorology during a dust storm in the eastern Mediterranean by Rémy, S, Benedetti, A, Bozzo, A, Haiden, T, Jones, L, Razinger, M, Flemming, J, Engelen, R. J, Peuch, V. H, Thepaut, J. N

“…Aerosols affect the atmosphere through direct interaction with short-wave and long-wave radiation and the microphysical properties of clouds. In this paper we…”
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The assimilation of AIRS radiance data at ECMWF by Mcnally, A. P., Watts, P. D., A. Smith, J., Engelen, R., Kelly, G. A., Thépaut, J. N., Matricardi, M.

“…The development of an assimilation system for radiance data from the Atmospheric InfraRed Sounder (AIRS) is described, in particular the identification of…”
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Analysis and forecast impact of the main humidity observing systems by Andersson, E., Hólm, E., Bauer, P., Beljaars, A., Kelly, G. A., McNally, A. P., Simmons, A. J., Thépaut, J.‐N., Tompkins, A. M.

“…The global analysis and forecast impact of observed humidity has been assessed by means of observing system experiments with the ECMWF 4D‐Var data assimilation…”
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Ten years of ENVISAT observations at ECMWF: A review of activities and lessons learnt by Dragani, R., Abdalla, S., Engelen, R. J., Inness, A., Thépaut, J.‐N.

“…In 2002, the European Space Agency (ESA) launched the ENVIromental SATellite (ENVISAT), which carried ten instruments to provide continuous observation of…”
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Assimilating GPS radio occultation measurements with two‐dimensional bending angle observation operators by Healy, S. B., Eyre, J. R., Hamrud, M., Thépaut, J.‐N.

“…Four‐dimensional variational (4D‐Var) assimilation forecast impact experiments were conducted with CHAMP radio occultation measurements from 1st June to 31st…”
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Assimilation of MIPAS limb radiances in the ECMWF system. I: Experiments with a 1‐dimensional observation operator by Bormann, N., Thépaut, J.‐N.

“…Emitted infrared limb radiances from the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) are for the first time assimilated directly in a…”
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ERA5-Land: a state-of-the-art global reanalysis dataset for land applications by Muñoz-Sabater, Joaquín, Dutra, Emanuel, Agustí-Panareda, Anna, Albergel, Clément, Arduini, Gabriele, Balsamo, Gianpaolo, Boussetta, Souhail, Choulga, Margarita, Harrigan, Shaun, Hersbach, Hans, Martens, Brecht, Miralles, Diego G, Piles, María, Rodríguez-Fernández, Nemesio J, Zsoter, Ervin, Buontempo, Carlo, Thépaut, Jean-Noël

“…Framed within the Copernicus Climate Change Service (C3S) of the European Commission, the European Centre for Medium-Range Weather Forecasts (ECMWF) is…”
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Evaluation of the AIRS near‐real‐time channel selection for application to numerical weather prediction by FOURRIE, Nadia, THEPAUT, Jean-Noël

“…The Atmospheric Infrared Sounder (AIRS) on board the National Aeronautics and Space Administration (NASA) Earth Observing System (EOS) Aqua satellite provides…”
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Cloud-drift and water vapor winds in the polar regions from MODISIR by Key, J.R., Santek, D., Velden, C.S., Bormann, N., Thepaut, J.-N., Riishojgaard, L.P., Yanqiu Zhu, Menzel, W.P.

“…Wind products from geostationary satellites have been generated for over 20 years and are now used in numerical weather prediction systems. However,…”
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An improved general fast radiative transfer model for the assimilation of radiance observations by Matricardi, Marco, Chevallier, Frederic, Kelly, Graeme, Thépaut, Jean‐Noel

“…An improved version of the RTTOV (Radiative Transfer for the Television Infrared Observation Satellite (TIROS) Operational Vertical Sounder) fast radiative…”
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Strategies for the assimilation of new satellite measurements at Météo-France by Prunet, P., Thépaut, J.-N., Cassé, V., Pailleux, J., Baverez, A., Cardinali, C.

“…This paper reviews the methods developed for the use of observations from the future satellite instruments in our current and future data assimilation systems…”
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Observations for Model Intercomparison Project (Obs4MIPs): status for CMIP6 by Waliser, Duane, Gleckler, Peter J., Ferraro, Robert, Taylor, Karl E., Ames, Sasha, Biard, James, Bosilovich, Michael G, Brown, Otis, Chepfer, Helene, Cinquini, Luca, Durack, Paul J., Eyring, Veronika, Mathieu, Pierre-Philippe, Lee, Tsengdar, Pinnock, Simon, Potter, Gerald L., Rixen, Michel, Saunders, Roger, Schulz, Jörg, Thépaut, Jean-Noël, Tuma, Matthias

“…The Observations for Model Intercomparison Project (Obs4MIPs) was initiated in 2010 to facilitate the use of observations in climate model evaluation and…”
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Assimilation of Meteosat radiance data within the 4D‐Var system at ECMWF: Assimilation experiments and forecast impact by Köpken, Christina, Kelly, Graeme, Thépaut, Jean‐Noël

“…The direct assimilation of water vapour (WV) clear‐sky radiances (CSRs) from geostationary satellites within the ECMWF four‐dimensional variational…”
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The GlobMODEL Demonstrator: Assimilation of New Satellite Products in an Operational Meteorological Center by Migliorini, Stefano, Dragani, Rossana, Kaiser-Weiss, Andrea, Brugge, Roger, Thepaut, Jean-NoËl, O'Neill, Alan

“…As part of its Data User Element programme, the European Space Agency funded the GlobMODEL project which aimed at investigating the scientific, technical, and…”
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