Bibliografie tematiche / Internal waves

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Letteratura scientifica selezionata sul tema "Internal waves"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 25 maggio 2024

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Articoli di riviste sul tema "Internal waves"

1

Sutherland, B. R., G. O. Hughes, S. B. Dalziel e P. F. Linden. "Internal waves revisited". Dynamics of Atmospheres and Oceans 31, n. 1-4 (gennaio 2000): 209–32. http://dx.doi.org/10.1016/s0377-0265(99)00034-2.

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Weidman, P. D., e M. G. Velarde. "Internal Solitary Waves". Studies in Applied Mathematics 86, n. 2 (febbraio 1992): 167–84. http://dx.doi.org/10.1002/sapm1992862167.

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3

Lee, Kwi-Joo, Hwung-Hweng Hwung, Ray-Yeng Yang e Igor V. Shugan. "Stokes waves modulation by internal waves". Geophysical Research Letters 34, n. 23 (4 dicembre 2007): n/a. http://dx.doi.org/10.1029/2007gl031882.

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4

HWUNG, HWUNG-HWENG, RAY-YENG YANG e IGOR V. SHUGAN. "Exposure of internal waves on the sea surface". Journal of Fluid Mechanics 626 (10 maggio 2009): 1–20. http://dx.doi.org/10.1017/s0022112008004758.

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Abstract (sommario):
We theoretically analyse the impact of subsurface currents induced by internal waves on nonlinear Stokes surface waves. We present analytical and numerical solutions of the modulation equations under conditions that are close to group velocity resonance. Our results show that smoothing of the downcurrent surface waves is accompanied by a relatively high-frequency modulation, while the profile of the opposing current is reproduced by the surface wave's envelope. We confirm the possibility of generating an internal wave forerunner that is a modulated surface wave packet. Long surface waves can create such a wave modulation forerunner ahead of the internal wave, while other relatively short surface waves comprise the trace of the internal wave itself. Modulation of surface waves by a periodic internal wavetrain may exhibit a characteristic period that is less than the internal wave period. This period can be non-uniform while the wave crosses the current zone. Our results confirm that surface wave excitation by means of internal waves, as observed at their group resonance frequencies, is efficient only in the context of opposing currents.
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Xu, Chengzhu, e Marek Stastna. "On the interaction of short linear internal waves with internal solitary waves". Nonlinear Processes in Geophysics 25, n. 1 (17 gennaio 2018): 1–17. http://dx.doi.org/10.5194/npg-25-1-2018.

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Abstract. We study the interaction of small-scale internal wave packets with a large-scale internal solitary wave using high-resolution direct numerical simulations in two dimensions. A key finding is that for wave packets whose constituent waves are short in comparison to the solitary wave width, the interaction leads to an almost complete destruction of the short waves. For mode-1 short waves in the packet, as the wavelength increases, a cutoff is reached, and for larger wavelengths the waves in the packet are able to maintain their structure after the interaction. This cutoff corresponds to the wavelength at which the phase speed of the short waves upstream of the solitary wave exceeds the maximum current induced by the solitary wave. For mode-2 waves in the packet, however, no corresponding cutoff is found. Analysis based on linear theory suggests that the destruction of short waves occurs primarily due to the velocity shear induced by the solitary wave, which alters the vertical structure of the waves so that significant wave activity is found only above (below) the deformed pycnocline for overtaking (head-on) collisions. The deformation of vertical structure is more significant for waves with a smaller wavelength. Consequently, it is more difficult for these waves to adjust to the new solitary-wave-induced background environment. These results suggest that through the interaction with relatively smaller length scale waves, internal solitary waves can provide a means to decrease the power observed in the short-wave band in the coastal ocean.
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SUN, TIEN-YU, e KAI-HUI CHEN. "ON INTERNAL GRAVITY WAVES". Tamkang Journal of Mathematics 29, n. 4 (1 dicembre 1998): 249–69. http://dx.doi.org/10.5556/j.tkjm.29.1998.4254.

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We are concerned with the steady wave motions in a 2-fluid system with constant densities. This is a free boundary problem in which the lighter fluid is bounded above by a free surface and is separated from the heavier one down below by an interface. By using a contractive mapping principle type argument. a constructive proof to the existence of some of these exact periodic internal gravity waves is proveded.
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Garwood, Jessica, Ruth Musgrave e Andrew Lucas. "Life in Internal Waves". Oceanography 33, n. 3 (1 settembre 2020): 38–49. http://dx.doi.org/10.5670/oceanog.2020.313.

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Thorpe, S. A., M. B. Belloul e A. J. Hall. "Internal waves and whitecaps". Nature 330, n. 6150 (dicembre 1987): 740–42. http://dx.doi.org/10.1038/330740a0.

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Vanden‐Broeck, Jean‐Marc, e Robert E. L. Turner. "Long periodic internal waves". Physics of Fluids A: Fluid Dynamics 4, n. 9 (settembre 1992): 1929–35. http://dx.doi.org/10.1063/1.858362.

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Sanderson, Brian G., e Akira Okubo. "Diffusion by internal waves". Journal of Geophysical Research 93, n. C4 (1988): 3570. http://dx.doi.org/10.1029/jc093ic04p03570.

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Tesi sul tema "Internal waves"

1

Jamali, Mirmosadegh. "Surface wave interaction with oblique internal waves". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0024/NQ38904.pdf.

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Leaman, Nye Abigail. "Scattering of internal gravity waves". Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/238679.

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Internal gravity waves play a fundamental role in the dynamics of stably stratified regions of the atmosphere and ocean. In addition to the radiation of momentum and energy remote from generation sites, internal waves drive vertical transport of heat and mass through the ocean by wave breaking and the mixing subsequently produced. Identifying regions where internal gravity waves contribute to ocean mixing and quantifying this mixing are therefore important for accurate climate and weather predictions. Field studies report significantly enhanced measurements of turbulence near 'rough' ocean topography compared with those recorded in the ocean interior or near more gradually varying topography (e.g. Toole et al. 1997, J. Geophys. Res. 102). Such observations suggest that interaction of waves with rough topography may act to skew wave energy spectra to high wavenumbers and hence promote wave breaking and fluid mixing. This thesis examines the high wavenumber scatter and spatial partitioning of wave energy at 'rough' topography containing features that are of similar scales to those characterising incident waves. The research presented here includes laboratory experiments using synthetic schlieren and PIV to visualise two-dimensional wavefields produced by small amplitude oscillations of cylinders within linear salt-water stratifications. Interactions of wavefields with planar slopes and smoothly varying sinusoidal topography are compared with those with square-wave, sawtooth and pseudo knife-edge profiles, which have discontinuous slopes. Far-field structures of scattered wavefields are compared with linear analytical models. Scatter to high wavenumbers is found to be controlled predominantly by the relative slopes and characterising length scales of the incident wavefield and topography, as well as the shape and aspect ratio of the topographic profile. Wave energy becomes highly focused and the spectra skewed to higher wavenumbers by 'critical' regions, where the topographic slope is comparable with the slope of the incident wave energy vector, and at sharp corners, where topographic slope is not defined. Contrary to linear geometric ray tracing predictions (Longuet-Higgins 1969, J. Fluid Mech. 37), a significant back-scattered field can be achieved in near-critical conditions as well as a forward scattered wavefield in supercritical conditions, where the slope of the boundary is steeper than that of the incident wave. Results suggest that interaction with rough benthic topography could efficiently convert wave energy to higher wavenumbers and promote fluid mixing in such ocean regions.
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Fedorov, Alexey V. "Nonlinear effects in surface and internal waves /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1997. http://wwwlib.umi.com/cr/ucsd/fullcit?p9737309.

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Hurley, David Lee. "Wind waves and internal waves in Base Mine Lake". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62524.

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Abstract (sommario):
Syncrude's Base Mine Lake is the first commercial scale demonstration of end pit lake technology in the Canadian Oil Sands. Following its commissioning in 2012 significant efforts have been made to monitor and understand its evolution. Of particular interest is the impact of surface and internal waves on the resuspension of fluid fine tailings and the effect of hydrocarbons on surface wind wave formation and growth. In this study the first complete description of the wind and internal waves in Base Mine Lake is presented. Observations of surface wind waves were collected using two subsurface pressure gauges. Data revealed that wind waves in Base Mine Lake have short residence times and rarely generate bottom orbital velocities capable of resuspending fluid fine tailings. Additionally, numerical simulations of the wind waves in Base Mine Lake were performed with the SWAN model. Modeled wave heights were in good agreement with observations, and resuspension of fluid fine tailings was minimal even during the 10 year storm event. As the surface of Base Mine Lake contains a hydrocarbon film its impact on surface wind waves was investigated in the laboratory and field. It was found that the hydrocarbon film dampens high frequency wind waves and results in a slower growing wind wave field dominated by longer wavelengths. Additionally, the presence of hydrocarbons also increases the critical wind speed needed to initiate wave growth. From these findings it is postulated that the hydrocarbon film on Base Mine Lake acts to decrease the fluxes of momentum, gas, and heat. The internal waves in Base Mine Lake were simulated using Delft3D Flow. Simulated wave heights as large as 3 m were shown to oscillate for multiple days with little dampening, and despite the small surface area of Base Mine Lake (8 km²) the internal waves were significantly influenced by the Coriolis force. This influence was seen in the form of simulated Kelvin and Poincaré waves which resulted in complex circulation patterns within the lake. The findings presented here provide a first picture into the impacts of waves on the reclamation of Base Mine Lake.
Applied Science, Faculty of
Civil Engineering, Department of
Graduate
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Lerczak, James A. "Internal waves on the southern California shelf /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2000. http://wwwlib.umi.com/cr/ucsd/fullcit?p3035419.

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Horne, Iribarne Ernesto. "Transport properties of internal gravity waves". Thesis, Lyon, École normale supérieure, 2015. http://www.theses.fr/2015ENSL1027/document.

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Les ondes internes sont produites par suite de l’équilibre dynamique entre les forces de flottabilité et la gravité quand une particule de fluide est déplacée verticalement dans un milieu stratifié stable. Les systèmes géophysiques tels que océan et l’atmosphère sont naturellement stratifiés et donc favorables à la propagation des ondes internes. En outre, ces deux environnements stockent une grande quantité de particules tant dans leur intérieur que sur les bords. Par conséquent, les ondes internes et les particules vont inévitablement interagir dans ces systèmes. Au cours de ce travail, des expériences exploratoires sont réalisées pour étudier le transport par érosion des particules, généré par les ondes internes. Afin de déterminer un seuil de transport, les propriétés particulières des réflexions d’ondes internes («réflexion critique ») sont utilisées pour augmenter l’intensité du champ d’ondes à la surface de réflexion. Une méthode a été développée en collaboration avec une équipe de traitement du signal pour améliorer la détermination des composantes de l’onde impliquées dans une réflexion quasi critique. Cela nous a permis de comparer nos résultats expérimentaux avec une théorie de la réflexion critique, montrant un bon accord et permettant d’extrapoler ces résultats à des expériences au-delà de la nôtre et à des conditions océaniques. Nous avons aussi étudié l’interaction des ondes internes avec une colonne de particules en sédimentation. Deux effets principaux ont été observés : la colonne oscille autour d’une position d’équilibre, et elle est déplacée dans son ensemble. La direction du déplacement de la colonne est expliquée par le calcul de l’effet de la dérive Lagrangienne produite pour des ondes. Cet effet pourrait également expliquer la dépendance en fréquence du déplacement
Internal waves are produced as a consequence of the dynamic balance between buoyancy and gravity forces when a particle of fluid is vertically displaced in a stably stratified environment. Geophysical systems such as ocean and atmosphere are naturally stratified and therefore suitable for internal waves propagation. Furthermore, these two environments stock a vast amount of particles at their boundaries and in their bulk. Therefore, internal waves and particles will inexorably interact in these systems. In this work, exploratory experiments are performed to study wave generated erosive transport of particles. In order to determine a transport threshold, the peculiar properties of internal waves (“critical reflection”) are employed to increase the intensity of the wave field at the boundaries. A method was developed in collaboration with a signal processing team to improve the determination of the wave components involved in near-critical reflection. This method enabled us to compare our experimental results with a theory of critical reflection, showing good agreement and allowing to extrapolate these results to experiments beyond ours and to oceanic conditions. In addition, we study the interaction of internal waves with a column of particles in sedimentation. Two main effects are observed: the column oscillates around an equilibrium position, and it is displaced as a whole. The direction of the displacement of the column is explained by computing the effect of the Lagrangian drift of the waves. This effect could also explain the frequency dependence of the displacement
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Nicolaou, D. "Internal waves around a moving body". Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383254.

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Potter, Robert Colin Henry. "Internal waves in the Andaman Sea". Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342768.

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Dobra, Tom. "Nonlinear interactions of internal gravity waves". Thesis, University of Bristol, 2019. http://hdl.handle.net/1983/4a3f99e2-5e73-4c7c-8d3d-e1141fb23dda.

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Abstract (sommario):
Internal waves carry more available energy than any other transmission system on Earth: lunar diurnal excitation drives 1 TW of wave power inside the world's oceans. Energy is transmitted over thousands of kilometres and individual waves may be hundreds of metres high. Where they break, they deposit their energy, and, in such regions, they greatly enhance the vertical transport of carbon dioxide, oxygen and heat. Despite their significance, much remains to be understood about internal waves, and this thesis explores some of these questions using a combination of experiments and theory. One way to generate internal waves is by sinusoidally oscillating the boundary of the fluid. A full spectrum of harmonics is generated, whose phases and amplitudes are predicted by perturbation theory. Their origin is identified solely as nonlinear geometric excitation at the boundary; no interactions between the harmonics of the same infinitely wide, monochromatic input are possible within the fluid. However, for narrow wave beams, resonant triadic wave-wave interactions are predicted using a novel numerical implementation of the singular two-dimensional Green's function. To verify the predictions, a new experiment was designed, consisting of an electronically actuated "magic carpet" inserted into the base of a tank. It perturbs the fluid lying above its surface to generate internal waves of almost any shape and size. The carpet is actuated by an array of 100 stepper motors, which are controlled by bespoke software that manages the timing in increments of 30 ns; this ensures precise spatiotemporal control of the waveform. The carpet itself is made of a neoprene-nylon composite, and its bending behaviour is modelled in detail to characterise the waveform imparted on the fluid. The experiments support the theoretical predictions, but also permit strongly nonlinear regimes, such as wave breaking, at amplitudes above the applicable domain of the theory.
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Thomas, Alexandra Elizabeth. "The interaction of an internal solitary wave with surface gravity waves". Thesis, University of Edinburgh, 2002. http://hdl.handle.net/1842/13106.

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Solitary waves are nonlinear, non-oscillatory disturbances of permanent form. Recent advances in synthetic aperture radar imaging and analysis techniques have confirmed in situ observations and measurements that the passage of oceanic internal waves, and in particular internal solitary waves, is associated with modulations in sea surface roughness. It has not only revealed the ubiquity of this phenomenon but also highlighted the global existence of large amplitude, tidally induced, internal solitary waves. It appears, however, that little laboratory-based research has been carried out in this field. This work, therefore, focusses on the study of surface wavetrain modulations resulting from the passage of a single internal solitary wave. Digital Particle Image Velocimetry (DPIV) and Planar Laser Induced Fluorescence (PLIF) were employed to provide two-dimensional instantaneous velocity and density information respectively. Previous studies in this field have been performed with intrusive probe techniques, disturbing the fluid flow during measurement. Preliminary DPIV and PLIF experiments were performed on single internal solitary waves in a two-layer brine - fresh water stratification. To the author’s knowledge, the application of PLIF to the study of these waves had not been done previously.  Results from the DPIV measurements concurred with previous research and highlighted the constraints of the DPIV system. The results were also compared to a recently developed and validated fully nonlinear numerical method. From the interaction investigations, both wavelength and amplitude modulations of the surface waves as a function of solitary wave phase were observed. In some cases, the shape of the internal wave was also affected. Velocity profiles were compared to the linear superposition of surface wave linear theory and the fully nonlinear numerical method. In addition, the PLIF analysis showed that, for the wave and stratification parameters investigated, there was no evidence for the compression and expansion of the density interface during the interaction.
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Libri sul tema "Internal waves"

1

Internal gravity waves. Cambridge: Cambridge University Press, 2010.

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2

Stastna, Marek. Internal Waves in the Ocean. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99210-1.

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Hutter, Kolumban, a cura di. Nonlinear Internal Waves in Lakes. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-23438-5.

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Blumenthal, Martin Benno. Interpretation of equatorial current meter data as internal waves. Woods Hole, Mass: Woods Hole Oceanographic Institution [1987], 1987.

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Vasilʹevna, Shishkina Olʹga, a cura di. Dynamics of internal gravity waves in the ocean. Dordrecht: Kluwer Academic Publishers, 2001.

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R. Massel, Stanisław. Internal Gravity Waves in the Shallow Seas. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18908-6.

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Koni͡aev, Konstantin Vasilʹevich. Volny vnutri okeana. Sankt-Peterburg: Gidrometeoizdat, 1992.

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G, Kort V., a cura di. Okeanskie vnutrennie volny. Moskva: "Nauka", 1985.

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Ėksperimentalʹnye issledovanii͡a︡ vnutrennikh voln v okeane. Vladivostok: DVO AN SSSR, 1989.

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10

Miropol'sky, Yu Z. Dynamics of Internal Gravity Waves in the Ocean. Dordrecht: Springer Netherlands, 2001.

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Capitoli di libri sul tema "Internal waves"

1

Needham, Charles E. "Internal Detonations". In Blast Waves, 281–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-05288-0_17.

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Needham, Charles E. "Internal Detonations". In Blast Waves, 323–36. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65382-2_17.

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Robinson, Ian S. "Internal waves". In Discovering the Ocean from Space, 453–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68322-3_12.

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Monin, A. S. "Internal Waves". In Theoretical Geophysical Fluid Dynamics, 165–201. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1880-1_5.

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Massel, Stanisław Ryszard. "Internal Waves". In Fluid Mechanics for Marine Ecologists, 183–200. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60209-2_6.

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Özsoy, Emin. "Internal Waves". In Geophysical Fluid Dynamics II, 101–71. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74934-7_4.

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Manasseh, Richard. "Internal gravity waves". In Fluid Waves, 119–32. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9780429295263-5.

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Alpers, Werner. "Ocean Internal Waves". In Encyclopedia of Remote Sensing, 433–37. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-0-387-36699-9_118.

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Abou-Dina, Moustafa S., e Mohamed A. Helal. "Nonlinear Internal Waves". In Encyclopedia of Complexity and Systems Science, 1–16. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-3-642-27737-5_363-3.

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Abou-Dina, Moustafa S., e Mohamed Atef Helal. "Nonlinear Internal Waves". In Encyclopedia of Complexity and Systems Science Series, 181–91. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2457-9_363.

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Atti di convegni sul tema "Internal waves"

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Shugan, Igor V., Hwung-Hweng Hwung e Ray-Yeng Yang. "Internal Waves Impact on the Sea Surface". In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49870.

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Abstract (sommario):
The impact of subsurface currents induced by internal waves on nonlinear Stokes surface waves is theoretically analyzed. An analytical and numerical solution of the modulation equations are found under the conditions close to the group velocity resonance. It is shown that smoothing of the down current surface waves is accompanied by a relatively high-frequency modulation while the profile of the opposing current is reproduced by the surface wave’s envelope. The possibility of generation of an internal wave forerunner, that is a modulated surface wavepacket, is established. Long surface waves can form the wave modulation forerunner ahead of the internal wave, while the relatively short surface waves create the trace of the internal wave. Modulation of surface waves by the periodic internal wave train may have the characteristic period less than the internal wave period and be no uniform while crossing the current zone. Surface wave excitation by internal waves, observable at their group resonance is efficient only on the opposing current.
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Shugan, By Igor V., Hwung-Hweng Hwung e Ray-Yeng Yang. "Surface waves excitation by internal wave". In OCEANS 2011 - SPAIN. IEEE, 2011. http://dx.doi.org/10.1109/oceans-spain.2011.6003623.

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Maltseva, Janna L. "Limiting Forms of Internal Solitary Waves". In ASME 2002 21st International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/omae2002-28514.

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High sensitivity of nonlinear wave structures in the weakly stratified fluid with respect to small perturbations of density in the upstream flow was pointed out in the paper (Benney & Ko, 1978). In present paper the influence of fine structure of stratification on one of the limiting forms, namely plateau-shaped solitary waves is analyzed. It is demonstrated that new limiting forms of solitary waves are possible in the case of continuous stratification close to linear or exponential one.
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Morozov, E. G. "Internal waves in the Arctic". In First International Conference on Ocean Thermohydromechanics-2017. Shirshov Institute of Oceanology, 2017. http://dx.doi.org/10.29006/978-5-9901449-3-4-2017-1-122-122.

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Lavrova, Olga, Ksenia Nazirova e Dmitry Soloviev. "Internal Waves on River Plumes". In IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2018. http://dx.doi.org/10.1109/igarss.2018.8517318.

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Ivanov, R. "On the Coriolis Effect for Internal Ocean Waves". In Floating Offshore Energy Devices. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901731-3.

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Abstract. A derivation of the Ostrovsky equation for internal waves with methods of the Hamiltonian water wave dynamics is presented. The internal wave formed at a pycnocline or thermocline in the ocean is influenced by the Coriolis force of the Earth's rotation. The Ostrovsky equation arises in the long waves and small amplitude approximation and for certain geophysical scales of the physical variables.
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Ho, Chung-Ru, Feng-Chun Su, Nan-Jung Kuo, Shih-Jen Huang, Chun-Te Chen e Quanan Zheng. "Detecting Internal Waves From Satellite Ocean Color Imagery". In 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92177.

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Internal waves have been observed by lots of high resolution satellite images, such as Synthetic Aperture Radar (SAR) and optical images of SPOT and Landsat. These images are usually expensive. In this study, some free but lower spatial resolution satellite images are applied to observe the internal wave phenomena. The internal waves in the Sulu Sea are detected from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) onboard the Orbview-2 satellite. The SeaWiFS image has a spatial resolution of 1.1 km. It is acceptable to observe the internal wave phenomena while the soliton width is larger than the image resolution. The results show that the internal solitary in the Sulu Sea can be observed successfully with SeaWiFS chlorophyll images. The internal waves in the Sulu Sea have amplitudes of 10 to 90 m and wavelengths of 5 to 16 km. The large-amplitude internal solitary waves may significantly influence the near-surface chlorophyll concentration. The chlorophyll concentration would be lower when the depression internal waves passed through. A theoretic model is proposed and tested to estimate the amplitudes of internal waves from chlorophyll concentration images.
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Craig, Walter, Philippe Guyenne e Henrik Kalisch. "Hamiltonian Formulation and Long Wave Models for Internal Waves". In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29314.

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We derive a Hamiltonian formulation of the problem of a dynamic free interface (with rigid lid upper boundary conditions), and of a free interface coupled with a free surface, this latter situation occurring more commonly in experiment and in nature. Based on the linearized equations, we highlight the discrepancies between the cases of rigid lid and free surface upper boundary conditions, which in some circumstances can be significant. We also derive systems of nonlinear dispersive long wave equations in the large amplitude regime, and compute solitary wave solutions of these equations.
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Makarenko, Nikolai I., e Janna L. Maltseva. "Amplitude Bounds for Nonlinear Internal Waves". In ASME 2003 22nd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2003. http://dx.doi.org/10.1115/omae2003-37458.

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Amplitude bounds imposed by the conservation of mass, momentum and energy for internal gravity waves are considered. We discuss the theoretical schemes intended for a description of permanent waves just up to the broadening limit. Analytical methods which allow to determine the critical amplitude values for the current with a given density profile are considered. Attention is focused on the continuously stratified flows having multiple broadening limits. The role of the mean density profile and the influence of fine-scale stratification are analysed.
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10

Trofimov, Evgenii A. "EXPERIMENTAL STUDY OF INTERNAL GRAVITY WAVES". In Science Present and Future: Research Landscape in the 21st century. Иркутск: Федеральное государственное бюджетное учреждение науки "Иркутский научный центр Сибирского отделения Российской академии наук", 2022. http://dx.doi.org/10.54696/isc_49741454.

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Rapporti di organizzazioni sul tema "Internal waves"

1

Levine, Murray, e Clayton Paulson. Arctic Internal Waves (CEAREX). Fort Belvoir, VA: Defense Technical Information Center, giugno 1993. http://dx.doi.org/10.21236/ada265822.

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2

Johnston, T. M. Island-Trapped Waves, Internal Waves, and Island Circulation. Fort Belvoir, VA: Defense Technical Information Center, settembre 2014. http://dx.doi.org/10.21236/ada624487.

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3

Johnston, T. M., Jennifer A. MacKinnon e Daniel L. Rudnick. Internal Waves in Straits Experiment. Fort Belvoir, VA: Defense Technical Information Center, settembre 2013. http://dx.doi.org/10.21236/ada598656.

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4

Johnston, T. M., e Daniel L. Rudnick. Internal Waves in Straits Experiment. Fort Belvoir, VA: Defense Technical Information Center, settembre 2014. http://dx.doi.org/10.21236/ada624488.

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5

Muller, Peter. Dynamics of Internal Tides and Near-Inertial Internal Waves. Fort Belvoir, VA: Defense Technical Information Center, settembre 2006. http://dx.doi.org/10.21236/ada613673.

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6

Farmer, David M., e Jae-Hun Park. Internal Waves in Straits (IWISE): Observations of Wave Generation. Fort Belvoir, VA: Defense Technical Information Center, settembre 2010. http://dx.doi.org/10.21236/ada542778.

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Farmer, David M., e Jae-Hun Park. Internal Waves in Straits (IWISE): Observations of Wave Generation. Fort Belvoir, VA: Defense Technical Information Center, settembre 2012. http://dx.doi.org/10.21236/ada590511.

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8

Henyey, Frank S. Long-Range Propagation through Internal Waves. Fort Belvoir, VA: Defense Technical Information Center, settembre 2011. http://dx.doi.org/10.21236/ada571646.

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9

Girton, James B. Parameterizing Internal Wave and Boundary Mixing in a Canyon (AESOP Internal Waves and Boundary Mixing). Fort Belvoir, VA: Defense Technical Information Center, settembre 2007. http://dx.doi.org/10.21236/ada573360.

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10

Lapham, Gary S., e John P. McHugh. Internal Waves Generated by a Vortex Pair. Fort Belvoir, VA: Defense Technical Information Center, settembre 1999. http://dx.doi.org/10.21236/ada402957.

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