Popular surf destinations tend to be located in geographic regions that are in a position to be regularly impacted by swells. a. Locations with wind that typically blows offshore or side-shore are usually preferable to on-shore winds. Density differences; differences in salinity and temperature. Spilling breakers form when fast-moving water at the top of a wave spills over slower-moving water at the bottom. How does sea depth affect erosion? If the map does not display but requires you to log in your organization account, log out of your organization account in the browser, and then refresh this page. C) wave diffraction. at a density boundary within the ocean (wrong answers: at the boundary between the ocean and the seafloor , close to shore as it moves into shallow water , only as a . When I do it myself I get all the answers correct but I don't haveenough time to, . -the time it takes for one wavelength of a wave to pass a particular point 5.18. a. is a function of the wind direction. 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. -Deep-water waves are: orbital waves. Which of the following statements is true of surface ocean currents? How are wave period and wavelength related? Compared to an eastern boundary current in a gyre, which of the following statements is true for a western boundary current? Refraction and diffraction affect the amount of wave energy reaching a coastline. Which of the following is the only current that completely circumscribes Earth? HELP PLEASE! Because a rip current carries sediment out to sea, water in the rip current may appear a different color than the surrounding water (Fig. As a wave begins to feel bottom near a shoreline, its wave height: The speed of a shallow- water wave is proportional to: A deep-water wave occurs when the water depth is greater than: Wave energy is focused on headlands due to wave refraction. However, local weather does determine the conditions of waves that are produced by far-away storms. -the bending of waves due to a change in wave phase Calcareous algae 10+ million students use Quizplus to study and prepare for their homework, quizzes and exams through 20m+ questions in 300k quizzes. How long does muscle soreness take to go away? a. wind duration b. the distance the wind blows over a continuous water surface c. wind speed d. wind turbulence e. All of the above are correct. Local weather does not often produce great surf because swells need time and space (fetch) to become organized. A deep-water wave occurs when the water depth is equal to at least _____. Fig. d. they cause erosion down-stream of the longshore drift. 5.19). carbonate particles, sea urchin spines, coral, mollusk shells, halimeda/ calcareous algae. -Freak waves The angular distance of the Sun or the Moon above or below the Earth's equatorial plane is called the ________. . are formed when electrons are shared by atoms. Exam 4 Answers for the Final Flashcards | Chegg.com Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Smaller waves tend to break in shallower water, closer to shore. -Wave refraction at the headland increases erosion at the headland and causes deposition in adjacent bays. These three wave types are shown in Fig. The center of mass of the Earth-Moon system is called the ____. Wind speed, direction, and fetch all contribute to creating waves and swell. -A wave with an amplitude that is the sum of the amplitudes of the initial two waves. Which plankton build a shell of silicia? Use a ripple tank to observe various properties of propagating waves including interference, reflection, refraction, and diffraction. a. to trap sand in front of their house. What are the four categories of sediment? the waves are in extremely shallow water; in fact, it controls the wave speed if the depth of the bottom is less than about one twentieth of the wave length, so as the waves approach shore, they increase in height, they slow down, and they get closer together, and eventually the wave becomes unstable as the orbits interfered with at Waves that are breaking along the shore and are. A wave may break more than once, and in different ways, as it advances to shore. How are headlands and bays formed a level geography? -Water moves linearly in the opposite direction to wave movement. The average water depth between your island and Japan is 4900 m. If a tsunami warning is issued for your island, how many hours will you have before the waves arrive? A. constructive interference B. wave refraction C. wave diffraction D. destructive interference E. wave reflection Which of the following, from earliest to latest, represents the typical wave formation? Choose the one best answer from the choices provided. Wind blowing across the surface of the ocean. A tidal current can produce a rapidly spinning body of water called a vortex or ________. A wave with a 2-meter wave height and a wavelength of 1000 meters. calcareous ooze (CaCO3, plankton shells) :) $12 tip if you get all the answers correct I need help with geography oceanography lab homework. Image courtesy of Cecilia and Randy Lascody, from National Oceanic and Atmospheric Administration (NOAA). -the distance between consecutive wave crests or troughs Why does the wave height of a tsunami increase as the tsunami enters shallow water? -the distance between consecutive wave crests or troughs Make Print-Friendly, When you're ready to print, just click this button: Combinations of each type of wave often occur in a surf zone. C. gravity wave Tsunami are undetectable by ships in the open ocean. -the lowest part of the wave, What is the wave height? An aerial view of the coastline in Kihei, Hawaii, shows reflection, refraction, and diffraction of water waves (Fig. What is the relationship between Atlantic inflow and evaporation rates in the Mediterranean Sea? On irregular coasts. This process is called shoaling, and it causes the height of waves to increase (Fig. -The wavelength produced when a new wave is created. -Wave refraction at the headland decreases erosion at the headland and causes deposition in adjacent bays. 5.4. Surf zones are found along the shores of the ocean as well as the shores of many large lakes. d. Tides in the northern hemisphere are largest during winter. Based on the graph, a deep-water wave with a period of 16 seconds should have a speed of ________ meters per second and a wavelength of ________ meters. Constructive interference results in larger waves whereas destructive interference produces: A storm surge might form in association with a seafloor avalanche. The diameter of a wave orbital at the surface is equal to _____. b.are wider than summer beaches due to low energy waves during the winter. 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. test 2 Flashcards | Chegg.com Wave refraction and diffraction cause converging wave fronts on headlands and diverging wave fronts in bays. b. Profiles of typical coastal features, see Table 5.3 to identify the features marked with letters. Well known surf spots tend to have consistent waves, favorable weather, beneficial geographic orientation, and tidal fluctuations conducive to their geography. The content and activities in this topic will work towards building an understanding wave patterns in water and how water wave action affects and is affected by nearshore and coastal features. What landforms are formed inland by erosion? The tsunami warning system uses seismic waves and deep-ocean pressure sensors to detect tsunami. 5.6). The vertical difference between consecutive high and low tides is called the ________. . Cold currents flowing ___ on the ___ sides of continents produce arid conditions. When will perfect constructive interference occur for waves that are in phase and moving at the same velocity? The angle of incidence ranges from zero degrees, which is like a wave approaching a wall head on, to slightly greater than 90 degrees, which is like a wave approaching parallel to the wall. Ions from atmospheric and volcanic gases. An estuary formed from a flooded glacial valley is called a: An estuary produced by faulting or folding of rocks that creates a dropped-down section into which a river flows is called a: The large outflow of the Columbia River into the Pacific Ocean, causes: Which physical factor(s) influence(s) the surface circulation patterns in marginal seas? In addition, the bottom contour has a dramatic effect on the shape of breaking waves. Wave energy is focused on headlands due to wave refraction. E) swells. Quartz Grains c.low nutrient levels associated with human activities. a.at a density boundary within the ocean. D. surging breaker molecule has a positive and negative charge. Over 100 people die each year in the U.S. in rip currents and they account for over 80% of rescues performed by surf beach lifeguards. . a series of water waves that travel away from a fault in all directions at a high speed. Waves with shorter periods have shorter wavelengths. -Wave period is the inverse of wavelength. High tides and low tides occur at the same time every day for a geographic location. Which of the following is not a source of deep water in the ocean? The Pacific Tsunami Warning Center (PTWC) was established in 1946 to coordinate data from seismic waves in the Pacific Ocean and around the Pacific rim. That energy is evenly spaced out in the deep water, but because of refraction, the energy of the waves is being focused on the headlands. Wave-Coast Interactions | manoa.hawaii.edu/ExploringOurFluidEarth , where T is the wave period and g is the acceleration due to gravity (9.8 meters per second squared). The center of an open ocean tidal system is called a/an ________. -Wave amplitude increases as depth increases. What is the major mechanism by which ocean surface waves are generated? Plunging breakers (Fig. Waves at the ocean surface are called orbital or interface waves. Anoxic events (low dissolved oxygen levels) in Chesapeake Bay are mainly caused by: b.high nutrient levels associated with human activities. 5.3. Surging breakers (Fig. An eddy about 600 km off the coast of Australia in the southeastern Indian Ocean, which was made visible by a plankton bloom on December 30, 2013 that showed sea surface currents. Multiple Choice Waves converge on headlands due to: A)constructive interference. a.are narrower than summer beaches due to high energy waves during the winter. OCE1001 Exam 2 Flashcards 5.22. In general, if the bottom is very sloped, the resulting wave will be spilling. As water gets shallower and waves travel more slowly, their wavelength decreases. Manganese nodules are these types of sediment: 4,500 meters (below that depth calcareous shells). D) constructive interference. Is respiration endothermic or endothermic? All of the following are lithogenous sediments except: Sediments that are very poorly sorted were most likely deposited by: Sediment that begins as rocks on continents or islands id called: Emerging shorelines might have all of the following characteristics expect: Large deposits of sediment at the mouths of rivers are called: All of the following are typically characteristic of erosional shores except: Sediment is supplied to the coastal zone by: Coastal erosion, local biological activity, and rivers, Rock Fragments b. thick layers of evaporitic minerals (e.g., salts) on the seafloor. Surface ocean currents are driven primarily by ___ and modified by ____. Marine sediments are classified by size broadly as __________. Fig. 5.3). 2003-2023 Chegg Inc. All rights reserved. Waves are a type of erosion. B) destructive interference.C) wave diffraction. 5.21. Would hydrogen chloride be a gas at room temperature? -the lowest part of the wave, The time it takes for one wavelength of a wave to pass a particular point. All Rights Reserved. During winter months, monsoon winds over the Indian ocean ___. 5.18). If the side of the Earth that faces the Moon experiences a high tide, then the side of the Earth that is opposite from the Moon will have a ________. c.sinking of the crust due to large increases in sediment load. 14. 5.2). The difference between centripetal forces and gravitational forces is called the ________. On the other hand, waves approaching a headland converge and concentrate energy, also due to refraction (Fig. Waves that are moving faster than local wind and are sorted out by wavelength are called ________.
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