Search Results - "Yudin, Valery"

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  1. 1

    Quantifying the Sources of Ionosphere Day‐To‐Day Variability by Fang, Tzu‐Wei, Fuller‐Rowell, Tim, Yudin, Valery, Matsuo, Tomoko, Viereck, Rodney

    “…Simulations from the coupled Whole Atmosphere Model and Global Ionosphere Plasmasphere show significant day‐to‐day variations in total electron content (TEC)…”
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    Nitrate ion spikes in ice cores not suitable as proxies for solar proton events by Duderstadt, Katharine A., Dibb, Jack E., Schwadron, Nathan A., Spence, Harlan E., Solomon, Stanley C., Yudin, Valery A., Jackman, Charles H., Randall, Cora E.

    “…Nitrate ion spikes in polar ice cores are contentiously used to estimate the intensity, frequency, and probability of historical solar proton events,…”
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    COnstraining ORographic Drag Effects (COORDE): A Model Comparison of Resolved and Parametrized Orographic Drag by Niekerk, Annelize, Sandu, Irina, Zadra, Ayrton, Bazile, Eric, Kanehama, Takafumi, Köhler, Martin, Koo, Myung‐Seo, Choi, Hyun‐Joo, Kuroki, Yukihiro, Toy, Michael D., Vosper, Simon B., Yudin, Valery

    “…The parametrization of orographic drag processes is a major source of circulation uncertainty in models. The COnstraining ORographic Drag Effects (COORDE)…”
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    Monthly CO surface sources inventory based on the 2000–2001 MOPITT satellite data by Pétron, Gabrielle, Granier, Claire, Khattatov, Boris, Yudin, Valery, Lamarque, Jean-François, Emmons, Louisa, Gille, John, Edwards, David P.

    Published in Geophysical research letters (01-11-2004)
    “…This paper presents results of the inverse modeling of carbon monoxide surface sources on a monthly and regional basis using the MOPITT (Measurement Of the…”
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  5. 5

    Energy considerations in the Community Atmosphere Model (CAM) by Williamson, David L., Olson, Jerry G., Hannay, Cécile, Toniazzo, Thomas, Taylor, Mark, Yudin, Valery

    “…An error in the energy formulation in the Community Atmosphere Model (CAM) is identified and corrected. Ten year AMIP simulations are compared using the…”
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    HIRDLS observations and simulation of a lower stratospheric intrusion of tropical air to high latitudes by Olsen, Mark A., Douglass, Anne R., Newman, Paul A., Gille, John C., Nardi, Bruno, Yudin, Valery A., Kinnison, Douglas E., Khosravi, Rashid

    Published in Geophysical research letters (01-11-2008)
    “…On 26 January 2006, the High Resolution Dynamic Limb Sounder (HIRDLS) observed low mixing ratios of ozone and nitric acid in a ∼2 km layer near 100 hPa…”
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    Inverse modeling of carbon monoxide surface emissions using Climate Monitoring and Diagnostics Laboratory network observations by Pétron, Gabrielle, Granier, Claire, Khattatov, Boris, Lamarque, Jean-Francois, Yudin, Valery, Müller, Jean-Francois, Gille, John

    “…A three‐dimensional (3‐D) inverse modeling scheme is used to constrain the direct surface emissions of carbon monoxide CO. A priori estimates of CO emissions…”
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  9. 9

    A two-dimensional model with input parameters from a general circulation model: Ozone sensitivity to different formulations for the longitudinal temperature variation by Smyshlyaev, Sergei P., Dvortsov, Victor L., Geller, Marvin A., Yudin, Valery A.

    “…Net heating and temperature derived from the middle atmospheric version of the National Center for Atmospheric Research's Community Climate Model (MA CCM2)…”
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    Impacts of Limited Model Resolution on the Representation of Mountain Wave and Secondary Gravity Wave Dynamics in Local and Global Models. 1: Mountain Waves in the Stratosphere and Mesosphere by Fritts, David C., Lund, Adam C., Lund, Thomas S., Yudin, Valery

    “…Long‐term efforts have sought to extend global model resolution to smaller scales enabling more accurate descriptions of gravity wave (GW) sources and…”
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    Impacts of Limited Model Resolution on the Representation of Mountain Wave and Secondary Wave Dynamics in Local and Global Models: 2. Mountain Wave and Secondary Wave Evolutions in the Thermosphere by Fritts, David C., Lund, Adam C., Lund, Thomas S., Yudin, Valery

    “…A companion paper by Fritts et al. (2022), https://doi.org/10.1002/2021JD035990 describes the consequences of decreasing horizontal resolution in the…”
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    TMTM simulations of tides: Comparison with UARS observations by Yudin, Valery A., Geller, Marvin A., Khattatov, Boris V., Ortland, David A., Burrage, Mark D., McLandress, Charles, Shepherd, Gordon G.

    Published in Geophysical research letters (15-01-1998)
    “…This paper presents combined model‐data interpretation of the High Resolution Doppler Imager (HRDI) and Wind Imaging Interferometer (WINDII) wind, temperature…”
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  13. 13

    The role of midlatitude mixing barriers in creating the annual variation of total ozone in high northern latitudes by Gille, John, Karol, Svetlana, Kinnison, Douglas, Lamarque, Jean-Francois, Yudin, Valery

    “…Data from the HIgh Resolution Dynamics Limb Sounder (HIRDLS), the Microwave Limb Sounder (MLS), and the Whole Atmosphere Community Climate Model (WACCM) are…”
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    Energy considerations in the C ommunity A tmosphere M odel ( CAM ) by Williamson, David L., Olson, Jerry G., Hannay, Cécile, Toniazzo, Thomas, Taylor, Mark, Yudin, Valery

    “…Abstract An error in the energy formulation in the Community Atmosphere Model (CAM) is identified and corrected. Ten year AMIP simulations are compared using…”
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    Medium-scale thermospheric gravity waves in the high-resolution Whole Atmosphere Model: Seasonal, local time, and longitudinal variations by Malhotra, Garima, Fuller-Rowell, Timothy, Fang, Tzu-Wei, Yudin, Valery, Karol, Svetlana, Becker, Erich, Kubaryk, Adam Marshall

    Published 28-06-2024
    “…This paper presents a study of the global medium-scale (scales<620 km) gravity wave (GW) activity (in terms of zonal wind variance) and its seasonal, local…”
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    Measurements of the magnetic field vector using multiple electromagnetically induced transparency resonances in Rb vapor by Cox, Kevin, Yudin, Valery I., Taichenachev, Alexey V., Novikova, Irina, Mikhailov, Eugeniy E.

    “…We study the dependence of electromagnetically induced transparency (EIT) resonance amplitudes on the external magnetic field direction in a linearly polarized…”
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    Coherent-population-trapping resonances with linearly polarized light for all-optical miniature atomic clocks by Zibrov, Sergei A., Novikova, Irina, Phillips, David F., Walsworth, Ronald L., Zibrov, Alexander S., Velichansky, Vladimir L., Taichenachev, Alexey V., Yudin, Valery I.

    “…We present a joint theoretical and experimental characterization of the coherent population trapping (CPT) resonance excited on the D{sub 1} line of {sup 87}Rb…”
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    Data exchange in distributed software system for decision support by Leonid E. Karpov, Valery N. Yudin

    “…Data exchange is a way to increase possibilities of local decision support systems on the base of other users experience. Two methods of access to the data…”
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