Sentences with phrase «surface waves»

The heights of surface waves generated by deep underwater explosions are greater because more energy is delivered to the water.
The underlying design approach has much wider applications, ranging from microwave to optics for the control of any kind of electromagnetic surface waves.
Including this information from the reflected complex exit surface wave provides additional information about the surface composition and contrast.
Unlike surface waves, tides are regular and do not depend on wind.
They resemble surface waves on the ocean, but exist in the atmosphere between layers of slightly different density.
A series of surface waves can be generated due to large - scale displacement of the ocean water.
Through the wind stress, the wind generates ocean surface waves; the longer waves have a phase velocity tending towards the wind speed.
Satellites create maps of instants in time, whereas surface wave gliders and underwater profiling gliders provide vertical profiles of the water and can be redirected to areas of greatest interest, Glenn says.
As their name suggests, surface waves travel along the surface of the Earth.
Rogue waves — also called freak waves — are unusually large surface waves that occur in the ocean.
The unique technology gets around the inevitable distortion caused by the water - surface waves when using a submerged camera, according to Schechner, because of the sharp refractive differences between water and air, random waves at the interface present distortions that are worse than the distortion atmospheric turbulence creates for astronomers peering into space.
The archived and near - real - time data comes from recorders on various platforms ranging from fixed bottom mounted and surface buoys to mobile underwater vehicles and surface wave gliders.
Rinke, J., Huerta, A., Winberry, J.P., Wiens, D., Nyblade, A., Anandakrishnan, S., Lloyd, A., Aster, R., Wilson, T., A first look at the upper mantle structure of the Ross Sea region, West Antarctica, using surface wave inversion techniques, 11th International Symposium on Antarctic Earth Sciences, Edinburgh, Scotland, 10 - 16 July, 2011.
Surprisingly, he calculated that if two surface waves flow toward each other at roughly the same frequency and amplitude, as they meet and roll through each other the majority of their energy — up to 95 percent — can be turned into a sound wave, or acoustic - gravity wave.
On the other hand, the fact that water is slightly compressible is what allows pressure waves, such as sound, to travel through, though this property has almost no effect on surface waves.
Kadri says the results may help scientists connect interactions between not only surface and deep ocean waters, but also with the atmospheric forces that affect surface waves.
That machine created 50 seismic surface waves per second with a wavelength of 1.56 meters — about the same as the distance between the holes, though shorter than typical wavelengths from earthquakes.
[S. Brûlé, Experiments on Seismic Metamaterials: Molding Surface Waves] Of course, that energy still has to go somewhere.
Lawrence says the real power of the new technique will come when it is combined with surface wave tomography.
«We demonstrated a practical possibility to use nanocomposites to control surface wave propagation through advanced additive manufacturing.
Deep underwater explosions are thus particularly able to damage coastal areas, because surface waves increase in height as they move over shallow water, and can flood the land beyond the shoreline.
If the helix moves against the grain of this layer, each SwmA twists, and the resulting surface wave is larger, generating more thrust.
The Stella Maris virtual periscope is just the latest technology developed by the researchers, who have also found ways to exploit «underwater flicker,» i.e., random change of underwater lighting, caused by the water surface wave motion.
«Raw images taken by a submerged camera are degraded by water - surface waves similarly to degradation of astronomical images by our atmosphere.
«If correct,» the study authors wrote, «this discovery represents the first sea - surface waves known outside of Earth.»
Deep V hull design and wave breaking bow knuckle to minimize surface wave action against the hull as the Rocio Del Mar moves forward through the sea.
Its gyrating white immensity powers down into the depths from under the curl of a green surface wave.
[4] These internal tide may propagate onshore and dissipate much like surface waves.
Another kind is the solar f - modes that are the eigenmodes of the sun having no radial null points [i.e. asymptotically surface waves; again I apologize for the technical mumbo - jumbo].
As evidence for this interpretation, note the section «direct surface waves and body waves refracted at a deep -LRB--LCB- approx -RCB- 800 m) interface between the Plio - Pleistocenic marine, fluvial, and lacustrine sediments and the Miocene carbonate basement».
The wind generates ocean surface waves, which have a large impact on offshore structures, ships, coastal erosion and sedimentation, as well as harbours.
«A continuous beam of light from the silicon waveguide excites electromagnetic surface waves, so - called surface plasmons (SP), in the gap,» Argishti Melikyan, KIT, first author of the publication, explains.
«Primary waves, which are a type of body wave, are sensitive to compressional forces, whereas surface waves are more sensitive to shear, or sliding, forces,» Lawrence said.
A network of seismometers around the volcano indicated that the ground started shaking about an hour after the Sumatran quake — due to surface waves traveling along Earth's crust.
Rogue waves — defined as unexpectedly large surface waves — are a rare but particularly dangerous swamping threat on open seas.
First author Dr Luigi La Spada also from QMUL's School of Electronic Engineering and Computer Science, said: «The study and manipulation of surface waves is the key to develop technological and industrial solutions in the design of real - life platforms, for different application fields.
Surface waves, which travel only at or near Earth's surface, actually cause the most damage.
«New theory of deep - ocean sound waves may aid tsunami detection: Surface waves can trigger powerful sound waves that race through the deep ocean, study suggests.»
The surface waves from the earthquake triggered a bunch of submarine slides along the coast.»
The surface waves spread out in all directions from the earthquake's focus, like water waves created from a pebble dropped into a pond.
There are two major types of seismic waves: surface waves and body waves.
Scientists have long been able to harness surface waves to study the upper layers of the planet's crust, and recently they have even been able to extract surface waves from the so - called ambient seismic field.
This has proven challenging, however, because body waves have lower amplitudes than surface waves, and are therefore harder to observe.
Body waves, in contrast, travel through the Earth, and as a result can provide much better spatial resolution of the planet's interior than surface waves.
After passing through the gaps, the surface waves initially enter the output optical waveguides as modulated light beams and are then superimposed.
In the respective gap, the light beams of the waveguides initiate electromagnetic surface waves, the so - called surface plasmons.
The voltage applied to the polymer modulates the surface waves.
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