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An earthquake of magnitude 8.5 off the coast of Japan, 8000 km away, generates a tsunami with a wavelength of 200 km. Waves at the ocean surface are ____ waves. Constructive interference results in larger. A number of stages are involved: All rocks have lines of weakness; the sea and its waves use hydraulic action, abrasion and solution to erode along any lines of weakness. Three types of breaking waves include (A) plunging breakers, (B) spilling breakers, and (C) surging breakers. . orthogonals that become more closely spaced as they approach the shore. In terms of erosion protection from wave action, seawalls: Relative (local) changes in sea level might include: a.tectonic activity resulting in a regional coastline that is higher or lower. Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. 5.21). All of the following statements are true of ocean sediments except: Ocean sediments are thickest in pelagic waters overlying the oceanic ridges. The ________ force pulls an orbiting body toward the center of that orbit. -The energy of the wave must be contained within a smaller water column in shallow water. B) destructive interference. Explore our library and get Introduction to Oceanography Homework Help with various study sets and a huge amount of quizzes and questions, Find all the solutions to your textbooks, reveal answers you wouldt find elsewhere, Scan any paper and upload it to find exam solutions and many more, Studying is made a lot easier and more fun with our online flashcards, Try out our new practice tests completely, 2020-2023 Quizplus LLC. How do I put my PS5 controller in pairing mode? b.rise in sea level due to a large weight of glacier on a continental mass. . -The depth of the wave base is three-quarters of the wavelength of the waves. -the lowest part of the wave, The time it takes for one wavelength of a wave to pass a particular point. Eight of the ten largest cities on Earth are located on the coast. A) gravity waves. A deep-water wave occurs when the water depth is equal to at least: The first wave that forms when the wind begins to blow across the ocean surface is a: As a wave begins to feel bottom near a shoreline, its wave height: Ocean waves in motion are classified as ______waves. -The wave pattern produced when two or more waves interact. e.Tides are not impacted by the eccentricity of Earths orbit about the Sun. Fig. a. A closer look at the Hawaiian fishpond, Koieie Loko Ia, shows diffraction, as the water moves through small openings in the pond, and reflection, as the waves bounce off of the retaining wall (Fig. The location of breaking waves at a particular location depends on the depth of the water and wave characteristics like wave height, wavelength, and direction of wave movement. 24. -the bending of waves due to a change in wave phase Waves with shorter periods have shorter wavelengths. e.are wider than summer beaches due to high energy waves during the winter. 5.18. The ratio of wave height to wavelength is called the ________. Volcanic Ash. two high tides and two low tides of nearly equal height daily. Deep-water waves are: Definition. waves converge on the headlands due to wave refraction, they bounce wave energy back across the beach and cause erosion, When waves approach the shore and enter shallow water, the waves slow down and the wave height increases, seacliffs are exposed to wave action, and they are also steep slopes, which can make them susceptible to landslides. What results when two waves, in phase and with the same wavelength, interact? Which of the following is the only current that completely circumscribes Earth? There are surf breaks all over the Pacific ocean basin. Investigate the influence of waves along a coastline. 10+ million students use Quizplus to study and prepare for their homework, quizzes and exams through 20m+ questions in 300k quizzes. -the highest part of the wave Why do waves converge on headlands? - Answers The large, flat muscle that moves up and down to alter the volume of the chest cavity is the a. trachea. Anoxic events (low dissolved oxygen levels) in Chesapeake Bay are mainly caused by: b.high nutrient levels associated with human activities. Which of the following is true of surface water circulation near Antartica? Where water is warm. Exam 4 Answers for the Final Flashcards | Chegg.com Standing waves may be caused by _____. 5.2. A tsunami may result from: Tectonic activity on the seafloor A tsunami is considered to be a: Large coastal storms such as hurricanes initially cause all of the following except: a.coastal erosion. shallow-water wave The movement of air across the ocean surface creates ____ waves. Printable Flash Cards Internal waves are formed by the movement of water of different densities along an air-water interface. Which is technically the most correct with respect to tides? Wave period is the inverse of wave frequency. 5.20. The movement of sea water at a pynocline creates ____ waves. When will perfect destructive interference occur? Study with Quizlet and memorize flashcards containing terms like Waves converge on headlands due to:, As a wave begins to feel bottom near a shoreline, its wave height:, The speed of a shallow- water wave is proportional to: and more. . Large deposits of sediment at the mouths of rivers are called. 52. -When waves with large amplitudes interfere. In addition, the bottom contour has a dramatic effect on the shape of breaking waves. A. winds blowing across the ocean surface, B. density differences between water layers, A. at the boundary between the ocean and the seafloor, B. close to shore as it moves into shallow water, D. at the boundary between the atmosphere and the ocean, E. at a density boundary within the ocean. Concordant Coastlines This type of coastline is one where only one type of rock is facing the sea. Two most abundant dissolved substances in seawater are? -Waves with longer periods have shorter wavelengths. a. as evaporation increases, inflow decreases. Surface ocean currents are driven primarily by ___ and modified by ____. 59) Which of the following, from earliest to latest, represents the typical wave formation? As a wave moves into increasingly shallow water, it continues to grow in height. If a surfer wishes to have a really long ride, what type of wave should he or she look for? a. How does sea depth affect erosion? The height of a wave depends upon: fetch, wind, duration, and wind speed. Refraction is the change in direction of waves as they move between materials with different properties. What are the main causes of tides on Earth? The strength and speed of a rip current dissipates as it heads out to sea, where the channel becomes wider or shallower. Where few streams bringing in lithogenous sediment. :) $12 tip if you get all the answers correct I need help with geography oceanography lab homework. Eddies typically spin off of larger ocean current systems; they can stretch for hundreds of miles and last for months. wave refraction. As waves move into shallower water, they contact the bottom and begin to move slower (see theWave Energy and Wave Changes with Depth topic in the Waves unit). D) constructive interference. 5.12 and described in Table 5.3. c.The gravitational attraction just between the Earth and Sun. Waves in the surf zone begin to behave like shallow-water waves when ________. An area that experiences semidiurnal tides will have ________. -The energy of the wave must be contained within a smaller water column in shallow water. -the distance between consecutive wave crests or troughs, The distance between consecutive wave crests or troughs, What is the wave period? The Gulf Stream is an example of which of the following currents? molecule has a positive and negative charge. d.coastal deposition. siliceous ooze (SiO2, plankton shells). Eustatic (global) changes in sea level might include: a.increased glacial and sea ice melting due to global warming. Waves converge on headlands due to _____. Choose the one best answer from the choices provided. 28. How do headlands and bays form on discordant coastlines? -the lowest part of the wave As waves approach a coastline they lose energy though because friction with the seabed increases. Oceanography Exam 3 Flashcards | Chegg.com 5.3). 5.9. Refraction and diffraction affect the amount of wave energy reaching a coastline. Plunging waves form tubes or barrels that cascade water in a circular motion downward into the trough and break with a forceful crash, rapidly releasing energy. Waves come into shore and break parallel to the coast because ocean floor topography is generally similar to the shape of the beach. MS-ESS2-2 Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales. Submarines sometimes ride out heavy storms in deep water by submerging. Waves - building, seawater, sea, depth, oceans, largest, types, system If caught in a rip current, it is best to swim parallel to shore, until you are out of the rip current, before swimming toward shore. CHAPTER 8 Waves and Water Dynamics.pdf - Course Hero How are positive and negative charges distributed on a water molecule? The larger the wavelength and the smaller the barrier opening, the greater the waves will appear to bend around the barrier.