Search Results - "Swinbank, R."

Inflation and localization tests in the development of an ensemble of 4D‐ensemble variational assimilations by Bowler, N. E., Clayton, A. M., Jardak, M., Lee, E., Lorenc, A. C., Piccolo, C., Pring, S. R., Wlasak, M. A., Barker, D. M., Inverarity, G. W., Swinbank, R.

“…A new method for generating ensemble predictions based on an ensemble of data assimilations has been developed. Using an ensemble of four‐dimensional…”
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The effect of improved ensemble covariances on hybrid variational data assimilation by Bowler, N. E., Clayton, A. M., Jardak, M., Jermey, P. M., Lorenc, A. C., Wlasak, M. A., Barker, D. M., Inverarity, G. W., Swinbank, R.

“…Hybrid four‐dimensional ensemble‐variational (4DEnVar) data assimilation is a method which avoids using a linear and adjoint model by relying on an input…”
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Compilation of wind data for the Upper Atmosphere Research Satellite (UARS) Reference Atmosphere Project by Swinbank, R., Ortland, D. A.

“…The aim of the UARS (Upper Atmosphere Research Satellite) Reference Atmosphere Project (URAP) is to provide a comprehensive zonal mean reference description of…”
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Data assimilation of stratospheric constituents: a review by Lahoz, W. A., Errera, Q., Swinbank, R., Fonteyn, D.

“…The data assimilation of stratospheric constituents is reviewed. Several data assimilation methods are introduced, with particular consideration to their…”
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Stratospheric temperature trends: Observations and model simulations by Ramaswamy, V., Chanin, M.‐L., Angell, J., Barnett, J., Gaffen, D., Gelman, M., Keckhut, P., Koshelkov, Y., Labitzke, K., Lin, J.‐J. R., O'Neill, A., Nash, J., Randel, W., Rood, R., Shine, K., Shiotani, M., Swinbank, R.

“…Trends and variations in global stratospheric temperatures are an integral part of the changes occurring in the Earth's climate system. Data sets for analyzing…”
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An observing system simulation experiment to evaluate the scientific merit of wind and ozone measurements from the future SWIFT instrument by Lahoz, W. A., Brugge, R., Jackson, D. R., Migliorini, S., Swinbank, R., Lary, D., Lee, A.

“…An observing system simulation experiment was performed to assess the impact and scientific merit of SWIFT stratospheric wind and ozone observations. The SWIFT…”
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The impact of targeted observations made during the Greenland Flow Distortion Experiment by Irvine, E. A., Gray, S. L., Methven, J., Renfrew, I. A., Bovis, K., Swinbank, R.

“…The impact of targeted sonde observations on the 1‐3 day forecasts for northern Europe is evaluated using the Met Office four‐dimensional variational data…”
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THE GREENLAND FLOW DISTORTION EXPERIMENT by Renfrew, I. A., Moore, G. W. K., Kristjánsson, J. E., Ólafsson, H., Gray, S. L., Petersen, G. N., Bovis, K., Brown, P. R. A., Føre, I., Haine, T., Hay, C., Irvine, E. A., Lawrence, A., Ohigashi, T., Outten, S., Pickart, R. S., Shapiro, M., Sproson, D., Swinbank, R., Woolley, A., Zhang, S.

“…Greenland has a major influence on the atmospheric circulation of the North Atlantic–western European region, dictating the location and strength of mesoscale…”
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Assimilation of ozone profiles and total column measurements into a global general circulation model by Struthers, H., Brugge, R., Lahoz, W. A., O'Neill, A., Swinbank, R.

“…Ozone profiles from the Microwave Limb Sounder (MLS) instrument flown on board the Upper Atmosphere Research Satellite (UARS) and total ozone columns measured…”
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Assimilation of stratospheric ozone from MIPAS into a global general‐circulation model: The September 2002 vortex split by Geer, A. J., Peubey, C., Bannister, R. N., Brugge, R., Jackson, D. R., Lahoz, W. A., Migliorini, S., O'Neill, A., Swinbank, R.

“…Ozone and temperature profiles from the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) have been assimilated, using three‐dimensional…”
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Chemical depletion of ozone in the Arctic lower stratosphere during winter 1992-93 by Manney, G. L, Froidevaux, L, Waters, J. W, Zurek, R. W, Read, W. G, Elson, L. S, Kumer, J. B, Mergenthaler, J. L, Roche, A. E, O'Neill, A, Harwood, R. S, Mackenzie, I, Swinbank, R

“…Satellite observations of ozone and chlorine monoxide concentrations during winter 1992-93 show that in Feb 1993 chlorine in the lower stratosphere was mostly…”
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Validation of stratospheric temperatures measured by Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on Envisat by Wang, D. Y., von Clarmann, T., Fischer, H., Funke, B., Gil-López, S., Glatthor, N., Grabowski, U., Höpfner, M., Kaufmann, M., Kellmann, S., Kiefer, M., Koukouli, M. E., Linden, A., López-Puertas, M., Mengistu Tsidu, G., Milz, M., Steck, T., Stiller, G. P., Simmons, A. J., Dethof, A., Swinbank, R., Marquardt, C., Jiang, J. H., Romans, L. J., Wickert, J., Schmidt, T., Russell III, J., Remsberg, E.

“…The Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) onboard the Envisat satellite provides temperature and various gas profiles from…”
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Simulation of the December 1998 Stratospheric Major Warming by Manney, G. L., Lahoz, W. A., Swinbank, R., O'Neill, A., Connew, P. M., Zurek, R. W.

“…An atypically early major stratospheric sudden warming in mid‐Dec 1998 resulted in an abnormally warm and weak polar vortex through most of the 1998–99 winter…”
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THE TIGGE PROJECT AND ITS ACHIEVEMENTS by Swinbank, Richard, Kyouda, Masayuki, Buchanan, Piers, Froude, Lizzie, Hamill, Thomas M., Hewson, Tim D., Keller, Julia H., Matsueda, Mio, Methven, John, Pappenberger, Florian, Scheuerer, Michael, Titley, Helen A., Wilson, Laurence, Yamaguchi, Munehiko

“…The International Grand Global Ensemble (TIGGE) was a major component of The Observing System Research and Predictability Experiment (THORPEX) research…”
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Parametrization and influence of subgridscale orography in general circulation and numerical weather prediction models by MILLER, M. J, PALMER, T. N, SWINBANK, R

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The SPARC Intercomparison of Middle-Atmosphere Climatologies by Randel, William, Udelhofen, Petra, Fleming, Eric, Geller, Marvin, Gelman, Mel, Hamilton, Kevin, Karoly, David, Ortland, Dave, Pawson, Steve, Swinbank, Richard, Wu, Fei, Baldwin, Mark, Chanin, Marie-Lise, Keckhut, Philippe, Labitzke, Karin, Remsberg, Ellis, Simmons, Adrian, Wu, Dong

“…An updated assessment of uncertainties in “observed” climatological winds and temperatures in the middle atmosphere (over altitudes ∼10–80 km) is provided by…”
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THORPEX RESEARCH AND THE SCIENCE OF PREDICTION by Parsons, D. B., Beland, M., Burridge, D., Bougeault, P., Brunet, G., Caughey, J., Cavallo, S. M., Charron, M., Davies, H. C., Niang, A. Diongue, Ducrocq, V., Gauthier, P., Hamill, T. M., Harr, P. A., Jones, S. C., Langland, R. H., Majumdar, S. J., Mills, B. N., Moncrieff, M., Nakazawa, T., Paccagnella, T., Rabier, F., Redelsperger, J.-L., Riedel, C., Saunders, R. W., Shapiro, M. A., Swinbank, R., Szunyogh, I., Thorncroft, C., Thorpe, A. J., Wang, X., Waliser, D., Wernli, H., Toth, Z.

“…The Observing System Research and Predictability Experiment (THORPEX) was a 10-yr, international research program organized by the World Meteorological…”
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Thorpex research and the science of prediction by Parsons, D.B, Beland, M, Burridge, D, Bougeault, P, Brunet, G, Caughey, J, Cavallo, S.M, Charron, M, Davies, H.C, Niang, A. Diongue, Ducrocq, V, Gauthier, P, Hamill, T.M, Harr, P.A, C.Jones, S, Langland, R.H, Majumdar, S.J, Mills, B.N, Moncrieff, M, Nakazawa, T, Paccagnella, T, Rabier, F, Redelsperger, J.-L, Riedel, C, Saunders, R.W, Shapiro, M.A, Swinbank, R, Szunyogh, I, Thorncroft, C, Thorpe, A.J, Wang, X, Waliser, D, Wernli, H, Toth, Z

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SUPPLEMENT: THORPEX RESEARCH AND THE SCIENCE OF PREDICTION by Parsons, D. B., Beland, M., Burridge, D., Bougeault, P., Brunet, G., Caughey, J., Cavallo, S. M., Charron, M., Davies, H. C., Niang, A. Diongue, Ducrocq, V., Gauthier, P., Hamill, T. M., Harr, P. A., Jones, S. C., Langland, R. H., Majumdar, S. J., Mills, B. N., Moncrieff, M., Nakazawa, T., Paccagnella, T., Rabier, F., Redelsperger, J.-L., Riedel, C., Saunders, R. W., Shapiro, M. A., Swinbank, R., Szunyogh, I., Thorncroft, C., Thorpe, A. J., Wang, X., Waliser, D., Wernli, H., Toth, Z.

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Compilation of wind data for the upper Atmosphere Research satellite (UARS) Reference Atmosphere Project by SWINBANK, R, ORTLAND, D. A

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