what persistent behavior of waves produces longshore drift?

when the rate of discharge exceeds that of recharge. Internal Waves Destructive wave interference occurs when the crest of one wave coincides with the trough of another wave resulting in a cancellation. - Destructive - Differential speed along the crest. C. shear [ home port | Based on the water cycle, all water available to land dwelling organisms including humankind, ultimately comes from where? E. offshore Rogue Waves? 12.10: Longshore Currents and Longshore Drift As waves enter shallow water: -Tombolo Answers: A. C. What happens to the wave train because of wave dispersion? - Speed decreases Waves affect water to a depth equal to or less than one-half their wavelength. The result is amplification of the wave size which can lead to flooding. Transformation of Deep-water Waves: Dispersion (Figure 7-7a). Shallow Waves Affected by Bottom A special case is a tsunami, a deepwater wave generated by a submarine disturbance with incredibly long wavelengths, high wave speeds, and very short wave heights, UNTIL they feel the bottom in shallow water! They occur when water masses slip over one another. They are stationary and Standing waves (seiches) do not move horizontally. A. shallow water on the seafloor causes waves to rise up 1. Breaking is determined by wave steepness Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. Waves Break by Spilling Plunging, or Surging (Figure 7-9) When wave passes, no net displacement of water. Why is the Colorado River Compact (as conceived and amended) likely to cause problems in the future? Formula on pg. Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. - Wavelength shortens Slower speeds than surface waves because the density difference between water masses is less than between air and water. It happens when waves approach the beach at an angle. Node = Fixed Point, Antinode = maximum displacement (Figure 7-11) email prof. ] Transformation of Shallow-water Waves (Figure 7-7b) As waves enter shallow water their wavelength shortens and their height increases. There are two other notable types of progressive waves. labs | In shallow water their length shortens and their height increases dramatically. email prof. ] - Wave form Other Types of Progressive Waves What is the driving force behind most waves? _____________ causes surface currents, ______________ causes deep currents. Storms affect shorelines in a variety of ways. Shallow Water Waves (Figure 7-4b) - Drag along the bottom. The result is amplification of the wave size which can lead to flooding. Resonance Waves are disturbances that are generated on or beneath the sea surface. Formula on pg. [ home port | As waves enter shallow water their wavelength shortens and their height increases. Think of sloshing in bathtubs and or swinging in swing A. shoreface/nearshore Bending of the wave crest as waves enter shallow water. surf | Moves heat around the planet, distributing it. They have very long periods and very large heights. higher storm energy in the winter moves sand off the beach and stores it in the nearshore. http://dusk.geo.orst.edu/oceans/waves.html, Wave height/wave length. Oscillate back and forth about a node i.e., a fixed point. WebLongshore (littoral) drift is the movement of material along the shore by wave action. This may be easier to, As waves move from deep to shallow water they_________________. Answers: A. D. E. F. Carbonic acid is present in all precipitation. A. Tsunamis The most damaging effect of storms is not necessarily the waves alone, but the waves in combination with storm surge (elevated sea level), created by the winds which pile water up along the shore. E. steep driveway Other Types of Progressive Waves - Height increases Refraction can be assessed by drawing wave orthogonals, imaginary lines perpendicular to the wave crest. Form when winds blow in one direction which causes water to pile up at one end of a basin. - Height increases Destructive Waves (Figure 7-6c) They occur when water masses slip over one another. They are stationary and The orbital motion of water particles beneath the wave. Form when winds blow in one direction which causes water to pile up at one end of a basin. Tsunamis which are seismic sea waves. Storm Surges - Low pressure which leads to a rise in sea level. Motion of Water Particles Beneath Waves (Figure 7-3b) They have very long periods and very large heights. Resonance Which of these features are found on emergent coastlines, with a relative falling sea level? labs | Tsunamis which are seismic sea waves. Sea - irregular waves in the area of generation Tsunamis which are seismic sea waves. Internal waves which occur underwater and move along pycnoclines. Standing Waves [ home port | - Drag along the bottom. Surf - waves that have reached the coast, grow in height, and break What causes ocean waves? : Ocean Exploration Facts: Resonance Waves affect water to a depth equal to or less than one-half their wavelength. - Wind velocity Bending of the wave crest as waves enter shallow water. The most damaging effect of storms is not necessarily the waves alone, but the waves in combination with storm surge (elevated sea level), created by the winds which pile water up along the shore. F. polarity This interference may be: http://dusk.geo.orst.edu/oceans/waves.html, - Persistent onshore winds. Internal waves which occur underwater and move along pycnoclines. lectures | - Wavelength shortens - Constructive Breaking is determined by wave steepness Resonance They occur when water masses slip over one another. Tsunamis which are seismic sea waves. Because the moon orbits around the Earth in the same direction the Earth rotates, it takes more time for the same point on the Earth to be beneath the moon over the lunar day. In deep water most waves do not interact with the sea bottom and are called deep-water waves. As waves enter shallow water: Slower speeds than surface waves because the density difference between water masses is less than between air and water. F. car exhaust in the winter labs | Slower speeds than surface waves because the density difference between water masses is less than between air and water. There are two other notable types of progressive waves. Progressive waves move along the sea surface. select three, Which of the following combination of features would best indicate a slow moving rotational landslide is occurring? Think of sloshing in bathtubs and or swinging in swing Standing Waves Wave Refraction (Figure 7-8a) Wave energy is focused where the lines converge. Standing waves can be dangerous due to the phenomenon of resonance. Standing Waves Other Types of Progressive Waves Wave energy is focused where the lines converge. Destructive wave interference occurs when the crest of one wave coincides with the trough of another wave resulting in a cancellation. Which part of a coastal area is always under water? Water depths are less than 1/20 the wave length. Standing waves can be dangerous due to the phenomenon of resonance. The size of surface waves depends on the speed and duration of the wind, and the fetch. They are stationary and Standing waves can be dangerous due to the phenomenon of resonance. Refraction can be assessed by drawing wave orthogonals, imaginary lines perpendicular to the wave crest. In other words, as this increases, there is a deeper reach of wave base. Constructive wave interference occurs when several wave crests or troughs coincide. Waves are disturbances that are generated on or beneath the sea surface. Slower speeds than surface waves because the density difference between water masses is less than between air and water. 239 - Constructive This area is characterized by a "confused" sea state with extensive wave interference. Standing waves can be dangerous due to the phenomenon of resonance. 1) shallow currents 2) deep currents 3) wave erosion 4) moving sand 5) eroding. In shallow water, the sea bottom transforms the wave's properties. The size of surface waves depends on the speed and duration of the wind, and the fetch. They are stationary and - Drag along the bottom. Which feature of a sea wave is most important to understand the wave bas of that wave? Transformation of Deep-water Waves: Dispersion (Figure 7-7a) Why build them in the first place? Waves affect water to a depth equal to or less than one-half their wavelength. Form when winds blow in one direction which causes water to pile up at one end of a basin. Wave Refraction (Figure 7-8a) Seas, swell, and surf are progressive waves. - Differential speed along the crest. Waves affect water to a depth equal to or less than one-half their wavelength. a history of previous mass wasting events in the area, Which of these landslide dammed a lake and caused flooding? There are two other notable types of progressive waves. What persistent behavior of waves produces longshore drift? Shallow Waves Affected by Bottom A special case is a tsunami, a deepwater wave generated by a submarine disturbance with incredibly long wavelengths, high wave speeds, and very short wave heights, UNTIL they feel the bottom in shallow water! Oscillate back and forth about a node i.e., a fixed point. - Persistent onshore winds. Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. Swell - more regular waves beyond area of generation D. spring Standing waves can be dangerous due to the phenomenon of resonance. They have very long periods and very large heights. Where the stream velocity increases along a cut bank, what also increases? Standing Waves Which of these formulas correctly shows the water budget of the Great Basin (P=precipitation, R=runoff, E=evapotranspiration, G=groundwater storage). Standing waves oscillate about a fixed point. Internal waves which occur underwater and move along pycnoclines. lectures | - Wave form WebWhat persistent behavior of waves produces longshore drift? lectures | Resonance Surfing Video: Condition Black Which mass wasting type is very slow movement that can cause fences, retaining walls, and telephone poles to tilt downhill? Bending of the wave crest as waves enter shallow water. labs | Internal waves which occur underwater and move along pycnoclines. Waves Entering Shallow Water - Destructive Chapter 7 Summary The most damaging effect of storms is not necessarily the waves alone, but the waves in combination with storm surge (elevated sea level), created by the winds which pile water up along the shore. Shore breakers (surf) are collapsing waves. lectures | When does ground water mining in an aquifer occur? Seas, swell, and surf are progressive waves. Course Hero is not sponsored or endorsed by any college or university. -Slightly more than 24 hours. Water depths are less than 1/20 the wave length. It is wave energy not water molecules that moves across the sea surface. http://dusk.geo.orst.edu/oceans/waves.html, Simply put, wave size increases as the strength and duration of the wind, and distance over which it blows increases. Period of wind or tides approximate the natural period of oscillation of the basin. Wave height/wave length. labs | Other Types of Progressive Waves When looking at the distribution of precipitation in the United States, the ________ meridian approximately divides the wet eastern from the dry western states. When wave passes, no net displacement of water. labs | The forward movement of the wave form. In shallow water, the sea bottom transforms the wave's properties. Standing waves (seiches) do not move horizontally. Form when winds blow in one direction which causes water to pile up at one end of a basin. Destructive Waves (Figure 7-6c) Internal waves which occur underwater and move along pycnoclines. What percentage of water is fresh surface water? Some of the greatest destruction comes from the storm surge or extreme high water levels due to the: Storm Surges -Sea stack Wave height/wave length. Wave energy is focused where the lines converge. Tsunamis - Wave form Longshore drift can be very destructive to manmade structures. Click the image to view a slideshow and learn more. Longshore currents are affected by the velocity and angle of a wave. When a wave breaks at a more acute (steep) angle on a beach, encounters a steeper beach slope, or is very high, longshore currents increase in velocity. ____________ causes surface currents, ___________ causes deep currents. surf | Geo 7.docx - Geo 7 What persistent behavior of waves The speed (celerity) of the wave form can be calculated by But once they reach shore, they become much more There are two other notable types of progressive waves. lectures | heavy rains saturated a shale layer causing the already overstepped slope of rock to slide down and dam up a river. Standing waves (seiches) do not move horizontally. What happened in the 1925 Gros Ventre slide in Wyoming? Motion of Water Particles Beneath Waves (Figure 7-3b) Slower speeds than surface waves because the density difference between water masses is less than between air and water.

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