Larger waves tend to break in deeper water, farther from shore. In the southern atmosphere, the direction of Ekman transport is always. E) swells. The diameter of a wave orbital at the surface is equal to ________. The altering rate of erosion of hard and soft rock is known as differential erosion. A tidal current can produce a rapidly spinning body of water called a vortex or ________. Of the following statements about ocean waves, which one(s) describe wave steepness? What are two sources of dissolved salts in sea water? b.destructive interference. 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. surf swells spilling breakers wave refraction. Make Print-Friendly, When you're ready to print, just click this button: Tsunami are undetectable by ships in the open ocean. A) sea, surf . 5.12. Period. Destructive interference c. Wave diffraction d. Wave reflection e. Wave refraction. Compared to Antarctic Bottom Water, North Atlantic Deep Water is ____. Between thermal expansion and the input of freshwater (i.e., the melting of ice), what was the larger contributor to sea-level rise from 1993-2015? The waves touch bottom. -Mixed interference When this happens, waves change direction, moving toward the normal line, which is the line perpendicular to the boundary. C. gravity wave -A wave with an amplitude that is the sum of the amplitudes of the initial two waves. Tsunami waves and tidal bores are examples of surging breakers. Three types of breaking waves include (A) plunging breakers, (B) spilling breakers, and (C) surging breakers. -the time it takes for one wavelength of a wave to pass a particular point The most likely place to find abundant manganese nodules is on the: Which of the following contains calcium carbonate (CaCO3)? Which type of current flow moves in a circular path around a subtropical convergence, reflecting Ekman transport, gravity, and the Coriolis effect? Earth is the only major body in the solar system on which there are active volcanoes. c. Earth rotates into and out of tidal bulges. Wave energy is focused on headlands due to wave refraction. What landforms are formed inland by erosion? -The wavelength of the wave must be contained within a larger water column in shallow water. Use Advanced Search to search by activities, standards, and more. d. wave reflection. d. Tides in the northern hemisphere are largest during winter. principle of decreasing orbital motion with depth. B) wave reflection. In addition to observing and obeying signs and flags that warn about rip currents, and swimming at beaches with lifeguards, learn what a rip current looks like so you can avoid them (Fig. Which of the following statements about storm surge is CORRECT? HELP PLEASE! Fig. -A wave with an amplitude that is the sum of the amplitudes of the initial two waves. -Waves with shorter periods have longer wavelengths. two high tides and two low tides of nearly equal height daily. These differences in energy can affect the shape of the coastline. on the continental rise by a turbidity current (under water landslide). What does the term "in phase" refer to? The gravitational attraction among the Earth, Moon, and Sun. Why does the damming of rivers sometime contribute to coastal erosion? Further Investigations: Wave-Coast Interactions, Energy Acquisition, Growth, Development, and Reproduction. -Wave amplitude increases as depth increases. water is pushed farther inland when the shore is gently sloping, the current flowing parallel to and just offshore to a beach is called. 5.4 A) form where there is a moderately steep, sloping bottom. The false-color map of sea surface temperatures shown below is an example of which of the following features? The angular distance of the Sun or the Moon above or below the Earth's equatorial plane is called the ________. Make a beach profile, or side view, showing the shape of the beach. Why does wave height increase as waves enter shallow water? Considering that Earth is closest to the Sun during the northern hemispheres winter, which statement must be true? Which type of breaker is a turbulent mass of air and water that runs down the front slope of the wave as it breaks? Wind blowing across the surface of the ocean. Where in an atom are neutrons, protons, and electrons located? Surf usually contains a mixture of several types of breaking waves. Wind speed, direction, and fetch all contribute to creating waves and swell. The California current is an example of which of the following types of currents? The movement of sea water at a pynocline creates ____ 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. a. vast number of dinosaur fossil bones. This means that the bathymetry (the underwater elevation) of the ocean or sea bed also impacts the strength of waves. A wave with an amplitude that is the SUM of the amplitudes of the initial two waves. 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. Longshore currents flow roughly parallel to the beach (Fig. What are the main causes of tides on Earth? Choose all that apply. Tsunami can be generated by geological activity that causes a sudden change in sea floor elevation, such as submarine fault motion, A. internal wave a. as evaporation increases, inflow decreases. Save my name, email, and website in this browser for the next time I comment. Fig. The energy of waves help to shape coastal features. 57. How are positive and negative charges distributed on a water molecule? These three wave types are shown in Fig. C) wave diffraction. The height of a wave depends upon: fetch, wind, duration, and wind speed. 51 Waves converge on headlands due to a constructive interference b Which of the following is the only current that completely circumscribes Earth? Water moves in a circle in the same direction as wave movement. a. boulders, rocks, clay b. gravel, sand, mud c. lithogenous, hydrogenous, biogenous d. conglomerate, sandstone, shale e. igneous. 5.9 B). Make Print-Friendly. Waves that are breaking along the shore and are - Course Hero Surf is characterized by lines of foam formed by breaking waves and a distinctive, often rhythmic sound that many people find peaceful. Choose the one best answer from the choices provided. In general, a good surf spot is one that breaks fairly often and in a manner that offers rideable waves. Wave celerity of a deep water wave is equal to ____. C) spilling breakers. A rip current can also form when water from an incoming high tide or from large waves flows over a bar or reef; the water then flows in a rip current back to sea through a gap or deep area in the bar or reef. D) wave reflection. The ratio of wave height to wavelength is called the ____. 5.18). Well known surf spots tend to have consistent waves, favorable weather, beneficial geographic orientation, and tidal fluctuations conducive to their geography. Cold currents flowing ___ on the ___ sides of continents produce arid conditions. MS-ESS2-2 Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales. Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. -When two waves that have long wavelength interfere. between two successive waves is called the _________. -When waves with large amplitudes interfere. than other ocean surface currents because ___________. Which of the following is true of surface water circulation near Antartica? The graph shown is an example of a ________ tidal pattern. 21) Waves converge on headlands due to: A) constructive interference. ESCI 101- Oceanography Portion- Section 2 - Chegg true. What results when two waves, in phase and with the same wavelength, interact? Along irregular shorelines, waves also refract, but tend to converge on headlands, causing erosion of sediments . -The waves are moving more slowly just in front of the headland, causing the waves to bend. -The waves are moving faster just in front of the headland, causing the waves to bend. 52. -Deep-water waves are: orbital waves. -The wavelength of the wave must be contained within a smaller water column in shallow water. Printable Flash Cards Diverging surface waters are areas of ____ and ___ productivity. 52. In terms of tidal theory (and the above figure; part A), constructive tidal properties cause: In terms of tidal theory (and the above figure; part B), destructive tidal properties cause: An area that experiences semidiurnal tides will have: d.two high tides and two low tides of nearly equal height daily. Wave sets coming from deeper waters refract as they come into shore, changing direction to match the shape of the coastline. The strength and speed of a rip current dissipates as it heads out to sea, where the channel becomes wider or shallower. Certain landforms further reduce waves erosive power. B. spilling breaker Of the following statements about ocean waves, which one(s) describe wave period? In a reflected wave, the angle of incidence equals the angle of reflection for wave direction. Wave refraction. -the distance between consecutive wave crests or troughs :) $12 tip if you get all the answers correct I need help with geography oceanography lab homework. -the upper limit of wave-induced motion in the water 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. oceanography ch. 8 quiz Flashcards | Quizlet Eddies can transport nutrients onshore, offshore, or from deep water, helping to maintain populations of plankton. Based on the equations for determining the speed of shallow-water waves, which one of the following variables is necessary to determine the speed of shallow-water waves? Tsunamis look like walls of white water advancing toward shore and can cause great damage when they run up the beach and onto land. -the bending of waves due to a change in wave velocity wave diffraction. 28. E) wave diffraction. Focusing Beyond the Diffraction Limit with Far-Field Time - Science What happened to the Screen Junkies Show? If the bottom is very steep, the resulting waves will be plunging. Select only one answer. d. Earth only has only one tidal bulge facing either the Sun or the Moon. On the other hand, waves approaching a headland converge and concentrate energy, also due to refraction (Fig. Arial view of large surf zone in South Australia (Dog Fence Beach, western Eyre Peninsula). calcareous ooze (CaCO3, plankton shells) -Pure destructive interference In general, bays will have more sedimentation, because they have less wave energy, and headlands will have more erosion, due to the higher amount of wave energy reaching them. Fig. c.wave diffraction. -The waves have longer wavelength just in front of the headland, causing the waves to bend. 5.8). b. Fig. 24. a.are narrower than summer beaches due to high energy waves during the winter. d.The gravitational attraction just between the Earth and Moon. 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. Large coastal storms such as hurricanes initially cause all of the following except: a.coastal erosion. The uplift of downdropping of large areas of the sea floor creates ____ waves. Why are headlands more susceptible to erosion than bays? 47. 5.9. D. surging breaker 58) Waves converge on headlands due to: A) constructive interference. E) wave refraction. Western boundary currents are much more easily observed by satellite. 5.7. Fig. When I do it myself I get all the answers correct but I don't haveenough time to, . -Wave refraction at the headland increases deposition at the headland and causes erosion in adjacent bays. The movement of air across the ocean surface creates ____ waves. Poop from animals that consumed shelled organisms. Where few streams bringing in lithogenous sediment. Is Harlech Castle part of National Trust? What is the crest of a wave? -Waves with shorter periods have shorter wavelengths. 5.22. The spinning rings that break away from the Gulf Stream and move. Fig. -When two waves that are 180 degrees out-of-phase interfere. What can cause a car to vibrate at high speed? c. Earth rotates into and out of tidal bulges. Does Elena end up with Damon in the books? -Waves in phase have different wavelengths and are aligned peak-to-peak and trough-to-trough Waves converge on headlands due to _____. -Wave refraction at the headland decreases erosion at the headland and causes deposition in adjacent bays. 5.4. Waves converge on headlands due to: Wave refraction. Winter Beaches: a.are narrower than summer beaches due to high energy waves during the winter. west into the coastal waters ___________. -The wave pattern produced when two or more waves interact. The New Moon is immediately followed by the ________ phase of the Lunar Cycle. (A) A warning sign explains rip current dangers and how to avoid them. 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. -the highest part of the wave destructive interference. Buried sediment on the continental shelf. The gravitational attraction just between the Moon and Sun. What is rotational slumping A level geography? Use a ripple tank to observe various properties of propagating waves including interference, reflection, refraction, and diffraction. Report a problem? c.increased wave action. -the lowest part of the wave e.very little difference between high and low tides. A sign warns beach goers at Hanauma Bay, Oahu, Hawaii of the potentially strong longshore currents that flow parallel to shore. 2003-2023 Chegg Inc. All rights reserved. -The waves have shorter wavelength just in front of the headland, causing the waves to bend. 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? b. they bounce wave energy back across the beach and cause erosion. -the highest part of the wave -the lowest part of the wave -When waves with short wavelengths interfere. The tsunami warning system uses seismic waves and deep-ocean pressure sensors to detect tsunami. a.Tides in the northern hemisphere are largest during spring. The time it takes for a full wave to pass a stationary object is called the wave: Period. What is the relationship between wave base and wavelength? Fig. When will perfect constructive interference occur for waves that are in phase and moving at the same velocity? The normal line is the horizontal dotted line. 5.2). carbonate particles, sea urchin spines, coral, mollusk shells, halimeda/ calcareous algae. -The energy of the wave must be contained within a larger water column in shallow water. Wave period is the inverse of wave frequency. Plunging breakers (Fig. d.silt and clay (i.e., very small particle size). In general, the speed, frequency, period, and energy of a wave are not affected by reflection. How might global warming exacerbate coastal hazards? The speed of a shallow-water wave is proportional to ________. 2003-2023 Chegg Inc. All rights reserved. Spilling waves can offer long distance rides for surfers as the wave breaks toward shore. 5.4 C) form when large waves suddenly hit bottom in shallow water. Benthic invertebrates (mollusk, sea urchins, coral) Clay Minerals -the lowest part of the wave, What is the wave height? Which plankton build a shell of silicia? e.Tides are not impacted by the eccentricity of Earths orbit about the Sun. Which of the following from earliest to latest represents the typical order of . Deep ocean currents are driven primarily by ___ and caused by ___. A deep-water wave occurs when the water depth is equal to at least _____. Approximately half of the worlds population lives within 200 km of a coastline. When will perfect destructive interference occur? As the bay is surrounded by land, one can come across calmer waters than the oceans. Quartz Grains -Rogue waves. On irregular coasts. We invite you to share your thoughts, ask for help or read what other educators have to say by. Geostrophic circulation within a gyre is driven by ____. e. they enhance the natural flow of sand along a beach. Waves that are breaking along the shore and are forming curling crests over air pockets are called: The circular motion of water molecules extends to a depth that is equal to: "Whitecaps" form when _____________________. 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 Compared with a solar day, a lunar day is: d.very high high tides and very low low tides. The speed of a deep-water wave is proportional to ________. e.wave refraction. L1 is the wavelength of the incoming waves and L2 is the wavelength of the refracted waves. A tsunami may result from: Tectonic activity on the seafloor A tsunami is considered to be a: University of Hawaii, . Diffraction occurs when waves pass through an opening or around a barrier and change direction (Fig. Water waves exhibit the same behaviors as other waves, including electromagnetic and sound waves, when they encounter a boundary, such as an object. The speed of a deep-water wave is proportional to, The speed of a shallow-water wave is proportional to, The first wave that forms when the wind begins to blow across the ocean surface is a, the distance over which the wind blows without interruption, Constructive interference results in larger waves whereas destructive interference produces, As a wave begins to feel bottom near a shoreline, its wave height ____. Spilling breakers form when fast-moving water at the top of a wave spills over slower-moving water at the bottom. Destructive wave interference results in ___________. For example, if a wave approaches a seawall at a 45 degree angle of incidence, the wave direction propagates away from the wall at a 45 degree angle of reflection (Fig. How are headlands and bays formed a level geography? Common beach features are shown in Fig. e.wave refraction. The El Nio Southern Oscillation can best be described as ____. What is the major mechanism by which ocean surface waves are generated? in shallow water, the ENERGY of the tsunami must be contained within a SMALLER water column. a. The largest wind-generated waves tend to be associated with the: The speed of a shallow-water wave is proportional to: How does water move as waves pass? Oceanography Exam 3 Flashcards | Chegg.com Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. A surf spot needs to be exposed to waves in order to have surf, so exposure to predominant swell direction is important. Multiple Choice Waves converge on headlands due to: A)constructive interference. a series of water waves that travel away from a fault in all directions at a high speed. Ocean waves can be classified by the depth of water in which they move. A tsunami may result from: Tectonic activity on the seafloor A tsunami is considered to be a: Shallow water wave T or F: Internal waves have never been directly observed False -the closest distance a wave can get to shore before breaking, the lower limit of wave-induced motion in the water. A coastal geostrophic current is influenced by all of the following except: Coastal wetlands are important because they: b. are important nursery grounds for fish and other organisms. -When waves with identical wavelengths interfere. B) plunging breakers. Rip currents often flow off the beach where __________. siliceous ooze (SiO2, plankton shells). The interaction of longshore currents and eddy currents with coastal features produces stable, nearshore circulation patterns. -Wave amplitude decreases as depth increases. From organic remains of marine life, primarily plankton organisms and algae. d.high nutrient levels associated with tidally mixed ocean water. Why do people generally install a groin along their beach-front property? Oceanography Exam 2 Word List - Knowledge Mouse -Superwaves An estuary formed from a flooded glacial valley is called a: An area that experiences semidiurnal tides will have: two high tides and two low tides of nearly equal height daily. A wave with a 2-meter wave height and a wavelength of 1000 meters. -When waves with identical amplitudes interfere. The time between two successive waves is called the. These lines of weakness get enlarged and develop into small sea caves. What is the wave base? e.The gravitational attraction among the oceans, mountains, and the moon. Coastal upwelling along the coast of Chile is a result of winds from the ___ turning towards the ____ due to Ekman transport. -the distance between the highest and lowest part of the wave -The depth of the wave base is one-half the wavelength of the waves. Waves converge on headlands due to: constructive interference. As water waves approach boundaries, their properties, including direction of propagation, speed, frequency, period, and energy, can change. -The depth of the wave base is one-half the wavelength of the waves. Factors Affecting the Rate of Erosion As waves approach a coastline they lose energy though because friction with the seabed increases. Bay is a hair coat color of horses, characterized by a. Bays can be an inlet in a lake or a larger water body. Ocean waves can be described by their period, wavelength, and height. You live on an island in the Pacific. Tsunami have a very long wavelength, so they travel at very high speeds (equivalent to the speed of a jet airplane). b. thick layers of evaporitic minerals (e.g., salts) on the seafloor. As waves approach shallow water, they are refracted, changing the direction of the wave front, and their wavelength decreases. -Wave period is the inverse of wave height. Combinations of each type of wave often occur in a surf zone. For example, in bays, waves diverge due to refraction, reducing the relative amount of energy compared to a straight coastline. Why does the wave height of a tsunami increase as the tsunami enters shallow water? - Wave speed is equal to wavelength divided by period. B)destructive interference. Wave energy is focused on headlands by wave refraction. 5.19). The horizontal distance between two successive troughs is called the wave height. An area that experiences semidiurnal tides will have ________. Beaches, headlands, and spits were all made by WAVES which are caused by wind. The height of a wave depends upon ________. During winter months, monsoon winds over the Indian ocean ___. Which of the following, from earliest to latest, represents the typical wave "life"? 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. As a wave advances, and each time it breaks, it loses energy. -the highest part of the wave This wave formed on a river by a flood current is called a/an ________. For reflected waves, the angle of incidence, the angle at which the wave approaches the surface, equals the angle of reflection. winds blowing across the ocean surface (wrong answers: density differences between water layers , Earth's rotation , landslides , seismic events ) ; An internal wave might form _____. Weathering is the chemical and physical break down of a rock over a long period of time. a low reproduction rate for sharks, thus a low replacement rate high bycatch on longlines that are meant for other fish "shark finning" All. surface currents form circular patterns in the major ocean basins called "gyres.". Equatorial currents are driven by the ____. the supply of new sand to replenish beaches is cut off Definition. b.rise in sea level due to a large weight of glacier on a continental mass. At the coast, a tsunami looks like a suddenly occurring high or low tide, which is why they are misnamed "tidal waves." Which of the following statements about wave period is most accurate? 5.21). An earthquake of magnitude 8.5 off the coast of Japan, 8000 km away, generates a tsunami with a wavelength of 200 km. (B) A sign at Haena Beach Park, Kauai, HawaiI, warns swimmers that rip currents can sweep swimmers out to sea. through displacement of the seafloor under water. Suggest a correction? Fig. -the bending of waves due to a change in wavelength, -the bending of waves due to a change in wave velocity. A storm surge b. -The wave pattern produced when a new wave is created. Most ocean waves form as a result of _____. e.are wider than summer beaches due to high energy waves during the winter. A)constructive interference.B)destructive interference.C)wave diffraction.D)wave reflection.E)wave refraction. 5.10. Why do ocean waves bend around headlands? 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. Local weather does not often produce great surf because swells need time and space (fetch) to become organized. Fig. These and additional wave patterns are listed in Table 5.2. Your email address will not be published. In Figure 5.7, L1 is the wavelength of the incoming waves and L2 is the wavelength of the refracted waves. Who did varane play for?Manchester United F.C.#19 / DefenderFrance national football tea#4 / Defender. It issues tsunami warnings to 25 Pacific rim nations . The diameter of a wave orbital at the surface is equal to: The area where wind-driven waves are generated is called the sea or sea area. ESCI Exam 3!! - Ch 8 Flashcards | Chegg.com Compared to western boundary currents, eastern boundary currents are ___. It issues tsunami warnings to 25 Pacific rim nations when data suggest a tsunami is imminent. Constructive wave, A problem with the worldwide shark fisheries is __________. Fig. c.sinking of the crust due to large increases in sediment load. Ocean waves can be classified by the way in which they form. The vertical difference between consecutive high and low tides is called the ________. (SiO2), Plankton that build a shell of calcium carbonate? d.coastal deposition. e.volcanic activity resulting in the formation of new continental crust. Most ocean waves form as a result of ________. The first wave that forms when the wind begins to blow across the. has very high high tides and very low low tides. Locations with wind that typically blows offshore or side-shore are usually preferable to on-shore winds. High tides and low tides occur at the same time every day for a geographic location. Eustatic (global) changes in sea level might include: a.increased glacial and sea ice melting due to global warming. 5.6). That is a practical application of utilizing the ____________________. -the time it takes for one wavelength of a wave to pass a particular point C)wave diffraction. b. as evaporation increases, inflow increases. Waves at the ocean surface are ____ waves. -Freak waves -Waves in phase have different wavelengths and are aligned peak-to-trough and trough-to-peak Foraminiferans and Coccolithophores -the time it takes for one wavelength of a wave to pass a particular point Waves converge on headlands due to: a. constructive interference. A shallow-water wave must form in water depth less than 100 meters. Waves converge on headlands due to: a.constructive interference. 51 Waves converge on headlands due to a constructive interference b destructive | Course Hero 51. Fig. 48.The diameter of a wave orbital at the surface is equal to _________. -Havoc waves A wave train is caused by wave energy moving more slowly than individual waves. tectonic activity on the seafloor A tsunami is considered to be a ____. Water flowing out of an enclosed basin due to the tides is called a/an ________. D)wave reflection. The maximum tidal currents are reported ________. -When two waves that have low amplitude interfere. true or false . 5.4. the supply of new sand to replenish beaches is cut off Definition. -The depth of the wave base is two-thirds the wavelength of the waves.
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