Academic literature on the topic 'Rossby and Kelvin waves'

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Journal articles on the topic "Rossby and Kelvin waves"

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Iga, Keita. "Transition modes of rotating shallow water waves in a channel." Journal of Fluid Mechanics 294 (July 10, 1995): 367–90. http://dx.doi.org/10.1017/s002211209500293x.

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Normal modes of shallow water waves in a channel wherein the Coriolis parameter and the depth vary in the spanwise direction are investigated based on the conservation of the number of zeros in an eigenfunction. As a result, it is generally shown that the condition for transition modes (Kelvin modes and mixed Rossby-gravity modes) to exist, besides Rossby and Poincaré modes, is determined only by boundary conditions. A Kelvin mode is interpreted as a modification of a Kelvin wave or a boundary wave along a closed boundary, and a mixed Rossby-gravity mode as a modification of an inertial oscill
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Farrar, J. Thomas. "Observations of the Dispersion Characteristics and Meridional Sea Level Structure of Equatorial Waves in the Pacific Ocean." Journal of Physical Oceanography 38, no. 8 (2008): 1669–89. http://dx.doi.org/10.1175/2007jpo3890.1.

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Abstract Spectral techniques applied to altimetry data are used to examine the dispersion relation and meridional sea level structure of wavelike variability with periods of about 20 to 200 days in the equatorial Pacific Ocean. Zonal wavenumber–frequency power spectra of sea surface height, when averaged over about 7°S–7°N, exhibit spectral peaks near the theoretical dispersion curves of first baroclinic-mode equatorial Kelvin and Rossby waves. There are distinct, statistically significant ridges of power near the first and second meridional-mode Rossby wave dispersion curves. Sea level variab
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Kitsios, Vassili, Terence J. O’Kane, and Nedjeljka Žagar. "A Reduced-Order Representation of the Madden–Julian Oscillation Based on Reanalyzed Normal Mode Coherences." Journal of the Atmospheric Sciences 76, no. 8 (2019): 2463–80. http://dx.doi.org/10.1175/jas-d-18-0197.1.

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Abstract The Madden–Julian oscillation (MJO) is presented as a series of interacting Rossby and inertial gravity waves of varying vertical scales and meridional extents. These components are isolated by decomposing reanalysis fields into a set of normal mode functions (NMF), which are orthogonal eigenvectors of the linearized primitive equations on a sphere. The NMFs that demonstrate spatial properties compatible with the MJO are inertial gravity waves of zonal wavenumber k = 1 and the lowest meridional index n = 0, and Rossby waves with (k, n) = (1, 1). For these horizontal scales, there are
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Haertel, Patrick. "Kelvin/Rossby Wave Partition of Madden-Julian Oscillation Circulations." Climate 9, no. 1 (2020): 2. http://dx.doi.org/10.3390/cli9010002.

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The Madden Julian Oscillation (MJO) is a large-scale convective and circulation system that propagates slowly eastward over the equatorial Indian and Western Pacific Oceans. Multiple, conflicting theories describe its growth and propagation, most involving equatorial Kelvin and/or Rossby waves. This study partitions MJO circulations into Kelvin and Rossby wave components for three sets of data: (1) a modeled linear response to an MJO-like heating; (2) a composite MJO based on atmospheric sounding data; and (3) a composite MJO based on data from a Lagrangian atmospheric model. The first dataset
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Lott, François, Jayanarayanan Kuttippurath, and François Vial. "A Climatology of the Gravest Waves in the Equatorial Lower and Middle Stratosphere: Method and Results for the ERA-40 Re-Analysis and the LMDz GCM." Journal of the Atmospheric Sciences 66, no. 5 (2009): 1327–46. http://dx.doi.org/10.1175/2008jas2880.1.

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Abstract A climatology of the three-dimensional life cycle of the gravest waves in the tropical lower and middle stratosphere is presented. It shows that at periods around 10 days the gravest waves correspond to Kelvin and Rossby–gravity wave packets that substantially affect specific regions in the lower stratosphere. It also shows that the planetary-scale Kelvin waves with zonal wavenumber s = 1 and periods between 10 and 20 days produce a substantial signal. Still at the planetary scales, the climatology also shows that the global planetary Rossby waves with s = 1 and periods around 5 and 1
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Dias Pinto, João Rafael, and Jonathan Lloyd Mitchell. "Wave–Mean Flow Interactions and the Maintenance of Superrotation in a Terrestrial Atmosphere." Journal of the Atmospheric Sciences 73, no. 8 (2016): 3181–96. http://dx.doi.org/10.1175/jas-d-15-0208.1.

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Abstract The interplay between mean meridional circulation and transient eddies through wave–mean flow interaction processes defines the general behavior of any planetary atmospheric circulation. Under a higher-Rossby-number regime, equatorward momentum transports provided by large-scale disturbances generate a strong zonal flow at the equatorial region. At intermediate Rossby numbers, equatorial Kelvin waves play a leading role in maintaining a superrotating jet over the equator. However, at high Rossby numbers, the Kelvin wave only provides equatorward momentum fluxes during spinup, and the
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Abhik, S., Harry H. Hendon, and Matthew C. Wheeler. "On the Sensitivity of Convectively Coupled Equatorial Waves to the Quasi-Biennial Oscillation." Journal of Climate 32, no. 18 (2019): 5833–47. http://dx.doi.org/10.1175/jcli-d-19-0010.1.

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Abstract The seasonal-mean variance of the Madden–Julian oscillation (MJO) in austral summer has recently been shown to be significantly (p < 5%) enhanced during easterly phases of the quasi-biennial oscillation (QBO). The impact is large, with the mean MJO variance increasing by ~50% compared to the QBO westerly phase. In contrast, we show using observed outgoing longwave radiation that seasonal variations for convectively coupled equatorial Kelvin, Rossby, and mixed Rossby–gravity waves are insensitive to the QBO. This insensitivity extends to all high-frequency (2–30-day period) and
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Sakai, Satoshi. "Rossby-Kelvin instability: a new type of ageostrophic instability caused by a resonance between Rossby waves and gravity waves." Journal of Fluid Mechanics 202 (May 1989): 149–76. http://dx.doi.org/10.1017/s0022112089001138.

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An ageostrophic version of Phillips’ model is studied. All instabilities found are systematically interpreted in terms of resonance of wave components. The instability occurs if there is a pair of wave components which propagate in the opposite direction to the basic flow and these wave components have almost the same Doppler-shifted frequency. A new instability, identified as a resonance between the Kelvin wave and the Rossby waves, is found at Froude number F ≈ 0.7. The Rossby waves are almost completely in geostrophic balance while the ageostrophic Kelvin wave is the same as in a one-layer
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Li, Haiyan, Robin Pilch Kedzierski, and Katja Matthes. "On the forcings of the unusual Quasi-Biennial Oscillation structure in February 2016." Atmospheric Chemistry and Physics 20, no. 11 (2020): 6541–61. http://dx.doi.org/10.5194/acp-20-6541-2020.

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Abstract. The westerly phase of the stratospheric Quasi-Biennial Oscillation (QBO) was reversed during Northern Hemisphere winter 2015/2016 for the first time since records began in 1953. Recent studies proposed that Rossby waves propagating from the extratropics played an important role during the reversal event in 2015/2016. Building upon these studies, we separated the extratropical Rossby waves into different wavenumbers and timescales by analyzing the combined ERA-40 and ERA-Interim reanalysis zonal wind, meridional wind, vertical velocity, and potential vorticity daily mean data from 195
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Marshall, David P., and Helen L. Johnson. "Propagation of Meridional Circulation Anomalies along Western and Eastern Boundaries." Journal of Physical Oceanography 43, no. 12 (2013): 2699–717. http://dx.doi.org/10.1175/jpo-d-13-0134.1.

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Abstract Motivated by the adjustment of the meridional overturning circulation to localized forcing, solutions are presented from a reduced-gravity model for the propagation of waves along western and eastern boundaries. For wave periods exceeding a few months, Kelvin waves play no role. Instead, propagation occurs through short and long Rossby waves at the western and eastern boundaries, respectively: these Rossby waves propagate zonally, as predicted by classical theory, and cyclonically along the basin boundaries to satisfy the no-normal flow boundary condition. The along-boundary propagati
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Dissertations / Theses on the topic "Rossby and Kelvin waves"

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Fröhlich, Kristina, Alexander Pogoreltsev, and Christoph Jacobi. "Tides, Rossby and Kelvin waves simulated with the COMMA-LIM Model." Wissenschaftliche Mitteilungen des Leipziger Instituts für Meteorologie ; 30 = Meteorologische Arbeiten aus Leipzig ; 8 (2003), S. 149-156, 2003. https://ul.qucosa.de/id/qucosa%3A15248.

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A 48-layer version of the COMMA-LIM (Cologne Model of the Middle Atmosphere – Leipzig Institute for Meteorology) three-dimensional global mechanistic model of the Earth\''s atmosphere from 0 km to 135 km with logarithmic pressure height coordinates was developed. The model is capable of reproducing the global structures and propagation of different planetary waves in the middle atmosphere. The contribution of gravity waves, tides, Rossby and Kelvin waves into the zonally averaged momentum budget of the mesosphere / lower thermosphere region has been investigated.<br>Eine neue Version des COMMA
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Fröhlich, Kristina, Alexander Pogoreltsev, and Christoph Jacobi. "Tides, Rossby and Kelvin waves simulated with the COMMA-LIM Model." Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-217759.

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A 48-layer version of the COMMA-LIM (Cologne Model of the Middle Atmosphere – Leipzig Institute for Meteorology) three-dimensional global mechanistic model of the Earth\'s atmosphere from 0 km to 135 km with logarithmic pressure height coordinates was developed. The model is capable of reproducing the global structures and propagation of different planetary waves in the middle atmosphere. The contribution of gravity waves, tides, Rossby and Kelvin waves into the zonally averaged momentum budget of the mesosphere / lower thermosphere region has been investigated<br>Eine neue Version des COMMA-L
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Richet, Oceane Tess. "Impact of ocean waves on deep waters mixing and large-scale circulation." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX104/document.

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Les différents projets présentés dans cette thèse contribuent à la compréhension de plusieurs aspects clés de la circulation océanique. Le premier aspect que nous étudions porte sur les processus physiques à l'origine du mélange lié à la marée; deux processus ont été mis en évidence. Depuis la latitude critique vers l'équateur, la marée interne transfert son énergie à des ondes plus petite échelle via des instabilités triadiques résonnantes impliquant les ondes proche inertielles. Depuis la latitude critique vers le pôle, les ondes de marée interne continuent de transférer leur énergie à des o
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Zhang, Zheen [Verfasser]. "Regionalization of a Global Climate Change Scenario for the Bay of Bengal under Special Consideration of Rossby Waves and Coastal Kelvin Waves : Regionalisierung eines globalen Klimawandel-Szenarios für den Golf von Bengalen unter spezieller Berücksichtigung von Rossby- und Küsten-Kelvinwellen / Zheen Zhang." Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky, 2020. http://d-nb.info/1221084194/34.

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Scolan, Hélène. "Dynamique et stabilité de fronts : phénomènes agéostrophiques." Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENU039/document.

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Cette thèse s'inscrit dans un contexte d'étude de la dynamique des fronts atmosphériques et océaniques et de l'origine des ondes de gravité dans l'atmosphère. Pour cela on s'intéresse à un front composé de deux couches de fluides miscibles en milieu tournant et soumis à un cisaillement vertical. Un travail à la fois expérimental et numérique met en évidence des phénomènes agéostrophiques qui vont au-delà de la configuration équilibrée usuelle d'un front barocline. D'abord, l'étude des différents régimes instables d'un front en configuration annulaire en terme de nombre de Rossby et de Burger r
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Mosquera, Vasquez Kobi A. "L'onde de Kelvin équatoriale océanique intrasaisonnière et les événements El Nino du Pacifique central." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30324/document.

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Le phénomène El Niño est le mode dominant de la variabilité du climat aux échelles de temps interannuelles dans le Pacifique tropical. Il modifie considérablement le climat régional dans les pays voisins, dont le Pérou pour lequel les impacts socio-économiques peuvent être dramatiques. Comprendre et prévoir El Niño reste un enjeu prioritaire pour la communauté climatique. Des progrès significatifs dans notre compréhension du phénomène El Niño et dans notre capacité à le prédire ont été réalisés dans les années 80, en particulier grâce à la mise en place du système d'observation dans le Pacifiq
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Cotto, Amaryllis. "Intermittently Forced Vortex Rossby Waves." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/553.

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Wavelike spiral asymmetries are an intriguing aspect of Tropical Cyclone dynamics. Previous work hypothesized that some of them are Vortex Rossby Waves propagating on the radial gradient of mean–flow relative vorticity. In the Intermittently Forced Vortex Rossby Wave theory, intermittent convection near the eyewall wind maximum excites them so that they propagate wave energy outward and converge angular momentum inward. The waves’ energy is absorbed as the perturbation vorticity becomes filamented near the outer critical radii where their Doppler–shifted frequencies and radial group velocities
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Murphy, Darryl Guy. "Rossby waves in the Southern Ocean." Thesis, University of Exeter, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303178.

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Wood, R. G. "Rossby waves in mid-latitude oceans." Thesis, University of Essex, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379474.

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Benestad, Rasmus E. "Intraseasonal Kelvin waves in the tropical Pacific." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244597.

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Books on the topic "Rossby and Kelvin waves"

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Volland, Hans. Atmospheric tidal and planetary waves. Kluwer Academic Publishers, 1988.

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John, Stanford. Rossby-gravity waves in tropical total ozone data. National Aeronautics and Space Administration, 1993.

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John, Stanford. Rossby-gravity waves in tropical total ozone data. National Aeronautics and Space Administration, 1993.

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Chiu, Ching-Sang. Estimation of planetary wave parameters from the data of the 1981 Ocean Acoustic Tomography Experiment. Woods Hole Oceanographic Institution, 1985.

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Kessler, William S. Observations of long Rossby waves in the northern tropical Pacific. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, 1989.

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Kelley, Michael C. Aspects of weather and space weather in the earth's upper atmosphere: The role of internal atmospheric waves. National Academy Press, 1997.

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Haack, Tracy. Mixed convective/dynamic roll vortices and their effects on initial wind and temperature profiles. Dept. of Meteorology, Pennsylvania State University, 1991.

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Barnell, Alexander. Far-field features of the Kelvin wake. David W. Taylor Naval Ship Research and Development Center, 1986.

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Grigorkina, R. G. Vozdeĭstvie taĭfunov na okean. Gidrometeoizdat, 1986.

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Grigorkina, R. G. Vozdeĭstvie taĭfunov na okean. Gidrometeoizdat, 1986.

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Book chapters on the topic "Rossby and Kelvin waves"

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Boyd, John P. "Kelvin, Yanai, Rossby and Gravity Waves." In Dynamics of the Equatorial Ocean. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-55476-0_3.

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Pedlosky, Joseph. "Rossby Waves." In Waves in the Ocean and Atmosphere. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05131-3_14.

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Monin, A. S. "Rossby Waves." In Theoretical Geophysical Fluid Dynamics. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1880-1_7.

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Zeytounian, Radyadour. "Rossby Waves." In Asymptotic Modeling of Atmospheric Flows. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-73800-5_4.

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Kamenkovich, V. M., M. N. Koshlyakov, and A. S. Monin. "Theory of Rossby Waves." In Synoptic Eddies in the Ocean. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4502-9_2.

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Pedlosky, Joseph. "Rossby Waves (Continued), Quasi-Geostrophy." In Waves in the Ocean and Atmosphere. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05131-3_15.

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Dolzhansky, Felix V. "The Obukhov–Charney Equation; Rossby Waves." In Fundamentals of Geophysical Hydrodynamics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-31034-8_7.

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Skiba, Yuri N. "Stability of Rossby-Haurwitz (RH) Waves." In Mathematical Problems of the Dynamics of Incompressible Fluid on a Rotating Sphere. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65412-6_5.

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Williams, J. E. Ffowcs, and W. Möhring. "Active Control of Kelvin-Helmholtz Waves." In IUTAM Symposium on Mechanics of Passive and Active Flow Control. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4199-4_55.

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Pedlosky, Joseph. "Energy and Energy Flux in Rossby Waves." In Waves in the Ocean and Atmosphere. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05131-3_16.

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Conference papers on the topic "Rossby and Kelvin waves"

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Zaqarashvili, T. V., and Ivan Zhelyazkov. "Rossby Waves in Rotating Magnetized Fluids." In SPACE PLASMA PHYSICS: School of Space Plasma Physics. AIP, 2009. http://dx.doi.org/10.1063/1.3137937.

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Sukoriansky, Semion, Nadejda Dikovskaya, Roger Grimshaw, and Boris Galperin. "Rossby waves and zonons in zonostrophic turbulence." In WAVES AND INSTABILITIES IN SPACE AND ASTROPHYSICAL PLASMAS. AIP, 2012. http://dx.doi.org/10.1063/1.3701355.

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Campbell, L. J. "Nonlinear dynamics of Rossby waves in a western boundary current." In ADVANCES IN FLUID MECHANICS 2006. WIT Press, 2006. http://dx.doi.org/10.2495/afm06045.

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Chu, Peter C., and Chin-Lung Fang. "Observed Rossby waves in the South China Sea from satellite altimetry data." In Remote Sensing, edited by Charles R. Bostater, Jr. and Rosalia Santoleri. SPIE, 2004. http://dx.doi.org/10.1117/12.509064.

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KALADZE, T. D., D. J. WU, O. A. POKHOTELOV, R. Z. SAGDEEV, L. STENFLO, and P. K. SHUKLA. "ZONAL FLOW GENERATION BY MAGNETIZED ROSSBY WAVES IN THE IONOPHERIC E-LAYER." In Proceedings of the 12th Regional Conference. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812770523_0026.

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del-Castillo-Negrete, D., J. M. Finn, and D. C. Barnes. "The modified drift-Poisson model: Analogies with geophysical flows and Rossby waves." In Non-neutral plasma physics III. AIP, 1999. http://dx.doi.org/10.1063/1.1302113.

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Takahashi, H., J. Fechine, D. Gobbi, et al. "Ultra Fast Kelvin waves in the equatorial upper atmosphere." In 10th International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609-pdb.172.sbgf0421_07.

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Takahashi, H., J. Fechine, D. Gobbi, et al. "Ultra Fast Kelvin waves in the equatorial upper atmosphere." In 10th International Congress of the Brazilian Geophysical Society & EXPOGEF 2007, Rio de Janeiro, Brazil, 19-23 November 2007. Society of Exploration Geophysicists and Brazilian Geophysical Society, 2007. http://dx.doi.org/10.1190/sbgf2007-422.

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Chen, Y. N., U. Haupt, U. Seidel, and M. Rautenberg. "Experimental Investigation of the Longitudinal-Vortex-Nature of Rotating Stall in Vaneless Diffusers of Centrifugal Compressors." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-099.

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Rotating stall in a vaneless diffuser of a centrifugal compressor has been found to be guided by Rossby waves, which are composed of branches of high and low pressures (Chen, Haupt and Rautenberg, 1990a). The branch of the high pressure leads the unstalled region and that of the low pressure leads the stalled region. The phase velocity of the Rossby waves is then the pattern speed of the stall cell. We report here an additional experimental result, according to which the flow of rotating stall is composed of a longitudinal spiral vortex pair. The vorticity and the axis of the longitudinal vort
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Morey, Steve, Dmitry Dukhovskoy, and Cortis K. Cooper. "SS: Metocean: Measurements and Modeling Measurements of Topographic Rossby Waves along the Sigsbee Escarpment." In Offshore Technology Conference. Offshore Technology Conference, 2010. http://dx.doi.org/10.4043/20694-ms.

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Reports on the topic "Rossby and Kelvin waves"

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Peng, Melinda S. Role of Vortex Rossby Waves on Tropical Cyclone Intensity. Defense Technical Information Center, 2008. http://dx.doi.org/10.21236/ada532809.

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Peng, Melinda S. Role of Vortex Rossby Waves on Tropical Cyclone Intensity. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada541436.

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Peng, Melinda S. Role of Vortex Rossby Waves on Tropical Cyclone Intensity. Defense Technical Information Center, 2006. http://dx.doi.org/10.21236/ada631046.

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Montgomery, Michael T., and Lloyd J. Shapiro. Vortex Rossby Waves and Hurricane Evolution in the Presence of Convection and Potential Vorticity and Hurricane Motion. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada628370.

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