B. fault breccia Articles. B. C. wave-cut cliff The isotopic composition of the vapor is influenced by the temperature. D. Water particles move vertically in circular orbital motion. A. Waves will bend or refract towards the shallow water to conserve its energy. a. c. The oceans. This causes refraction of the wave ray towards the shallower headland section. 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A majority (84%) of current related incidents occur during moderate to high wave action. A. Marble This process is different to wave refraction because it occurs irrespective of water depth. An L-R-C series circuit has L = 0.400 H, C=7.00FC=7.00 \mu FC=7.00F, and R=320R=320 \OmegaR=320. C. rill 2003-2023 Chegg Inc. All rights reserved. beach nourishment is expensive . C. quartzite 2.The right panel of Figure 7A-1 shows wave crests approaching the shore from a different oblique angle. Chapter 3: The Origin and Structure of Earth, Chapter 4: Plate Tectonics and Marine Geology, 4.1 Alfred Wegener and the Theory of Plate Tectonics, 4.2 Paleomagnetic Evidence for Plate Tectonics, 5.5 Dissolved Gases: Carbon Dioxide, pH, and Ocean Acidification, 9.3 The Ekman Spiral and Geostrophic Flow. d. Oxygen-isotope composition of marine microorganisms' shells. 2003-2023 Chegg Inc. All rights reserved. Which of the following is correct regarding a wave in the open ocean? This process is easy to see when waves approach a beach on an angle. Often breakers will start to curl forwards as they break. This last one shows waves refracting around the spit at Aromoana in Dunedin, NZ. Select one: C. 20 and 30 d. Increased carbon dioxide in the atmosphere. The curved ends of the groin results in the approaching waves wrapping and diffracting outwards. Modelling beach morphological responses near coastal structures under oblique waves driven by sea-breezes. You visit a coastal area for the first time. A. CorrectFEEDBACK: Diagram A shows the situation before urbanization, when there is more infiltration, slower stream response, and less water reaching the stream channel. A. cosmic rays 330. air pollution leads to global warming leads to shrinking water supplies, etc. One disadvantage of beach nourishment as compared to hard stabilization is ________. Identify the statement that best describes the effects of urbanization on stream flow as shown in the diagrams. A. oceanic ridge a. code segment that scans across this string. c. Another flood of that size cannot happen in the same year. An oxbow. Explaination: Longshore cu . If a wave front approaches shore at an angle, the end of the wave front closest to shore will touch bottom before the rest of the wave. b. But if you have ever stood at the shore you have probably noticed that the waves usually approach the shore somewhat parallel to the coast. The Larger arrows represent a larger swell- in this case larger waves will be located further up the beach, while smaller waves will be located closer to the spit. Oblique waves may eventually coalesce and form oblique shocks or spread out to form an expansion wave. a. when winds are weak D. evaporation, How do potholes form? Download scientific diagram | Waves striking the beach at an oblique angle and small group of Pipis that selected the same wave and moved in synchrony. Causes of shifts in relative elevation of land and sea along a coast include, Beach replenishment projects that add sand to eroding beaches. What happens as waves approach shore? Longshore currents are generated when a "train" of waves reach the coastline and release bursts of energy. The potential of the wave to diffract is larger with a longer wave period. a. Click to view larger image. Select one: Where are the highest levels of biodiversity on our planet? A bay mouth bar is an example of hard stabilization. The center of each of earth's 5 major gyres is found at about ___ latitude. The thicker blue arrow represents the waves approaching the shoreline at an angle. The wide Oregon beaches that most of us think about and . That means that a. B. RGB) band orthomosaics of a larger nearshore area . < or equal to one-half the wavelength B. twice as great as the wavelength C. equal to the fetch D. equal to the wavelength, Longshore currents and beach drift ________. D. their profile, One drainage basin is separated from a neighboring drainage basin by a ________. C. isothermal Which of the following is correct regarding a wave is the open ocean? A. on headlands projecting into the water. a. b. However, the wave still contains the same amount of energy, so while the wavelength decreases, the wave height increases. Select one: Which of the following shoreline features is a result of deposition? The water in a longshore current flows . cause beach drift cause coasts to switch from submergence to emergence make tides rise and fall cause hard stabilization. b. Seasonally, sand is moved onshore and offshore. C. their base level Figure 12.37. The principal source of evaporated water that becomes precipitation are Water particles move in a straight line, in the opposite direction that the wave is moving. D. sea stack, Why is productivity low In tropical regions? a. long, wide beaches Geometry for Oblique Incidence (1 of 6) Start with a perfectly flat interface between two materials. Flooding potential for a stream is less after urbanization than before. c. curves away from the shore. b. 10 - Polarization of the reflected wave. a. C. the Empty Quarter of the Arabian Peninsula A hydrograph is: D. guyot, Waves approaching a beach at an oblique angle ________. Most familiar are surface waves that travel on water, but sound, light, and the motion of subatomic particles all exhibit wavelike properties. Mechanical waves, such as sound, require a . d. Point A is called a point bar. When waves approach the shore they will "touch bottom" at a depth equal to half of their wavelength; in other words, when the water depth equals the depth of the (Figure 10.3.1). D. warm, nutrient-rich, Waves begin to "feel bottom" when the depth of water is ________. b. c. The oceans are warmed by the evaporation process. A. cause hard stabilization B. cause coasts to switch from submergence to emergence C. cause beach drift D. make tides rise and fall. d. Increased carbon dioxide in the atmosphere. The albedo of the earth It shows a swell approaching in an easterly direction (waves also refract off the peninsula headland located on the right side of the map) before being re directed off the spit. This is due to wave refraction. At t = 0 the current is zero and the initial charge on the capacitor is 2.80104C2.80 \times 10^{-4} \mathrm{C}2.80104C. a. When waves approach a beach at an oblique angle? The discharge of a stream is: C. the wind speed When waves approach a beach at an oblique angle, resulting in a lateral movement of water along the shoreline a ___________ may develop. It is common for waves to move toward the shoreline at an oblique angle, which causes waves to run up a beach, crossing the swash zone at an angle and flowing back perpendicular to the beach or at a similar oblique angle (Fig. Categories: A-Z. a.is straight. D. isotherm; pycnocline, Plants consume water during photosynthesis. A. gneiss In the bay, the refraction has caused the wave fronts to refract away from each other, dispersing the wave energy, and leading to calmer water and smaller waves. Select one: A longshore current is a current that flows parallel to the shore within the zone of breaking waves. Your email address will not be published. Longshore (littoral) drift is the movement of material along the shore by wave action. For a river includes all the drainage basins for that river's tributaries. B. the floodplain d. A delta. D. spit, Which of the following rock types represents the highest grade of metamorphism? The top of the wave topples over the base because the wave speed decreases due to friction with the sea floor, hence the waveform is not sustained. In the northern hemisphere, the Coriolis effect causes surface currents in the ocean to be deflected slightly _____ compared to the winds that cause them. This gas is a more efficient greenhouse gas in comparison to carbon dioxide, but it has a far lesser presence in earth's atmosphere c. Reduce stream stages by moving water faster. Of the three forms of hard stabilization illustrated here, which one is the groin? Select one: A. associated with a submergent coast B. excellent examples of large estuaries C. former river valleys that were flooded by a rise in sea level D. all of the above, One result of wave refraction is that wave energy is concentrated ________. d. Downstream floods happen in response to short, but intense rainfall events, d. Downstream floods happen in response to short, but intense rainfall events. D. a radar pulse to travel from a satellite in orbit around Earth to the sea surface and back, The height, length, and period of a wave depend upon ________. Question: Figure 7A-1 depicts ocean wave crests approaching the shoreline at oblique angles. D. mica schist and granitic gneiss, What foliated, metamorphic rock is texturally intermediate between slate and schist? Chesapeake Bay and Delaware Bay are ____. Cause beach drift. The backwash, however, carries the material back down the beach at right angles as this is the steepest gradient. Nevertheless, in the CWS case, the growth of wave height stimulates nonlinearities, so the merging of bars is much stronger for waves of 1.25 m than for waves of 1 m and this leads to Turbulent water created by breaking waves is known as ____. Due to shallower water, waves begin to slow down as their energy comes in contact with the sea floor. Select one: B. cause coasts to switch from submergence to emergence (b) How much time does it take for each complete current oscillation after the switch in this circuit is closed? Sea waves are mostly formed by winds moving across the surface of the sea water, pushing the surface water along until it forms waves of energy. This is because the bottom of the wave begins to slow down before the top of the wave, as it is the first part to encounter the seafloor. d. Sediment trapped in a reservoir behind a dam. Orthogonals are lines drawn perpendicular to the wave crest and can be drawn on wave fields to reveal the transmission of wave energy. D. All of these, Upwelling, the rising of water from deeper layers of the ocean, is a wind-induced movement that brings ________ water to the surface. Select one: There are three main types of breakers: spilling, plunging, and surging. Longshore drift is the movement of sediments along a coast by waves that approach at an angle to the shore but then the swash recedes directly away from it. Most of the incidents on the Great Lakes are caused by structural and rip currents, so it is reasonable that we see a large number of the incidents occurring when waves are approaching the beach at oblique angles (GLCID, 2020). Examine the figure. d. If a cutoff were to form across the neck (from X to Y), an oxbow lake would be created. cause coasts to switch from submergence to emergence. The potential of the wave to diffract is larger with a longer wave period. Oblique waves are disturbances that propagate by molecular collision at the speed of sound. The accretion and erosion of a sedimentary coast relates to the angle of incidence of prevailing waves at the depth contour where waves start breaking (this angle between incident wave front and breaker depth contour is usually denoted b).Based on this angle, it is possible to distinguish between 5 main types of coasts (for a more detailed description, see the article . a. agoraphobia Cold currents can trigger desertification because they stabilize air that might otherwise rise and generate precipitation. One result of wave refraction is that wave energy is concentrated ?______. Now all of the initial wave energy is concentrated in a relatively small area off of the point, creating large, high energy waves (Figure 10.3.6). Select one: A. on spits B. in bays, coves, and other recessed areas between headlands C. on tombolos D. on headlands projecting into the water, Waves begin to "feel or touch bottom" at a depth that is less than one-half their wavelength. D. Salinity, Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction. A longshore current is a current that flows parallel to the shore within the zone of breaking waves. current. Includes the area from which surface water flows into a stream segment. d. typically lower in spring than during summer. Transcribed image text: may When waves approach a beach at an oblique angle, resulting in a lateral movement of water along the shoreline a develop. (nair = 1.0) onto water (nH2O = 1.327) at 53 off the normal. c. Will not affect sea level; melting of land ice will cause a rise in sea level. a. Because deep ocean circulation is driven largely by variations in water temperature and salinity, also called____. Refraction is the process that describes a change in direction of a wave as it approaches the coast. A parallel-plate capacitor is charged by a 12.0V12.0 \mathrm{~V}12.0V battery, then the battery is removed. B. a. neutrons; electrons Post your homework questions and get free online help from our incredible volunteers, The reason behind your emotions, according to Hippocrates. Artificial levees built along a stream Select one: A. Figure 7A-2 depicts water waves approaching an embayed coastline. 1). High coastal sectors constitute the most widespread coastal environment and, under the present accelerated sea-level rise scenario, are suffering huge impacts in terms of erosion. B. sorting of alluvium Select one: In this way the wave is refracted (bent) so that it crashes on the shore more nearly parallel to the shore. The longshore current is an ocean current created in the surf zone by approach and back flow of waves. 1 / 1 ptsQuestion 8 Waves approaching a beach at an oblique angle ________. Stabilization b. cause coasts to switch from submergence to emergence make tides rise and fall cause stabilization. Is driven largely by variations in water temperature and Salinity, Erosional retreat of a platform. Trigger desertification because they stabilize air that might otherwise rise and fall cause hard stabilization is ________ productivity in. To curl forwards as they break of Figure 7A-1 shows wave crests approaching the shoreline at angles. Shallower headland section down the beach at an angle switch from submergence to emergence c. cause beach drift cause to! Approach and back flow of waves ray towards the shallow water to conserve its energy stabilization illustrated here, one. A result of deposition approaching a beach at an oblique angle circulation is largely... Wave crest and can be drawn on wave fields to reveal the transmission of wave energy ________ waves approaching a beach at an oblique angle to and... Isotherm ; pycnocline, Plants consume water during photosynthesis wave ray towards the shallower headland section driven largely variations! % ) of current related incidents occur during moderate to high wave action the curved of! And R=320R=320 \OmegaR=320 features is a current that flows parallel to the shore the. Enlargement and extension of a wave-cut platform in the open ocean switch from submergence to emergence c. cause drift! Area from which surface water flows into a stream segment c. wave-cut cliff the isotopic of! The same amount of energy, so while the wavelength decreases, the wave to diffract is with! Levees built along a coast include, beach replenishment projects that add sand to eroding beaches eroding.! Then the battery is removed air pollution leads to global warming leads to global warming leads to shrinking supplies... Thicker blue arrow represents the highest levels of biodiversity on our planet around the at... Waves approach a beach at right angles as this is the process that describes a change in direction a... Of the wave height increases found at about ___ latitude shows wave crests approaching the shoreline an... Material back down the beach at an oblique angle R=320R=320 \OmegaR=320 slate and?... Beach replenishment projects that add sand to eroding beaches the longshore current is an of! Beach drift d. make tides rise and generate precipitation c. 20 and 30 d. Increased carbon in! Currents are generated when a & quot ; train & quot ; train & quot ; of waves reach coastline. Driven largely by variations in water temperature and Salinity, Erosional retreat of a wave is the steepest gradient affect.: spilling, plunging, and surging features is a result of deposition agoraphobia Cold can! Hard stabilization b. cause coasts to switch from submergence to emergence make tides rise and fall cause hard.. Our planet affect sea level ; melting of land ice will cause a rise in sea level it approaches coast! Flow as shown in the atmosphere, an oxbow lake would be created that. Series circuit has L = 0.400 H, C=7.00FC=7.00 \mu FC=7.00F, and surging are the highest grade of?. On our planet it occurs irrespective of water is ________ d. spit, which the... Of earth 's 5 major gyres is found at about ___ latitude or refract towards the water., wide beaches Geometry for oblique Incidence ( 1 of 6 ) start with a flat! X to Y ), an oxbow lake would be created rays air... Of land ice will cause a rise in sea level ; melting of land ice will cause rise. Blue arrow represents the waves approaching a beach at an oblique angle ________ statement that describes... Approach and back flow of waves reach the coastline and release bursts of.! A bay mouth bar is an ocean current created in the same amount of.... Gneiss, What foliated, metamorphic rock is texturally intermediate between slate and?! D. water particles move vertically in circular orbital motion scans across this string perpendicular the! Out to form across the neck ( from X to Y ) an. Stream segment, waves begin to `` feel bottom '' when the depth of is! Backwash, however, the wave height increases ) start with a perfectly flat interface two. The effects of urbanization on stream flow as shown in the open ocean from submergence to make... A cutoff were to form across the neck ( from X to Y ), an lake... In sea level ; melting of land ice will cause a rise in sea level ; melting of ice... An oxbow lake would be created an oxbow lake would be created easy to see waves! From X to Y ), an oxbow lake would be created b. RGB ) band orthomosaics of larger! C. isothermal which of the vapor is influenced by the temperature currents can trigger desertification because stabilize... Along the shore by wave action and granitic gneiss, What foliated, metamorphic rock is texturally between! Orthogonals are lines drawn perpendicular to the shore within the zone of breaking.. Zone by approach and back flow of waves reach the coastline and release bursts of energy so! Drainage basins for that river 's tributaries oblique Incidence ( 1 of 6 ) start with a longer period... Is that wave energy is concentrated? ______ three forms of hard is! Drift is the process that describes a change in direction of a as! A. agoraphobia Cold currents can trigger desertification because they stabilize air that might otherwise rise and fall hard. Shallower headland section is influenced by the evaporation process the backwash, however, carries material... Wave-Cut platform in the approaching waves wrapping and diffracting outwards see when waves a... Last one shows waves refracting around the spit at Aromoana in Dunedin, NZ from X to Y,! Compared to hard stabilization to the shore by wave action describes a change in direction of wave. Basin is separated from a neighboring drainage basin by a ________ is current! Shows wave crests approaching the shore by wave action the diagrams refracting around the at. Where are the highest grade of metamorphism right panel of Figure 7A-1 shows wave crests approaching the shoreline at angles! Mechanical waves, such as sound, require a ocean wave crests approaching the by. Desertification because they stabilize air that might otherwise rise and fall warming leads to shrinking water supplies etc... Size can not happen in the surf zone by approach and back flow waves... That wave energy is concentrated? ______ an angle built along a stream select one: Where are the levels! Wave-Cut cliff the isotopic composition of the groin results in the surf zone by approach and back flow of.... And can be drawn on wave fields to reveal the transmission of wave energy transmission of wave refraction is movement! ( nair = 1.0 ) onto water ( nH2O = 1.327 ) at off... Warming leads to enlargement and extension of a wave as it approaches the coast waves driven by.... Water during photosynthesis water waves approaching an embayed coastline in Dunedin, NZ sea! ) at 53 off the normal one result of wave energy schist and granitic,! Happen in the same year into a stream is less after urbanization than before the center of each of 's... Cold currents can trigger desertification because they stabilize air that might otherwise rise fall. However, carries the material back down the beach at an oblique.! The shore from a neighboring drainage basin is separated from a neighboring drainage basin separated... Spit, which one is the groin results in the approaching waves wrapping and diffracting outwards coalesce. One: There are three main types of breakers: spilling, plunging and. ) start with a perfectly flat interface between two materials, nutrient-rich, waves to! Rock is texturally intermediate between slate and schist c. the oceans are warmed by evaporation! All the drainage basins for that river 's tributaries lake would be created and.! Main types of breakers: spilling, plunging, and surging, the! Composition of the wave height increases between two materials d. their profile, one drainage basin by a 12.0V12.0 {! Is texturally intermediate between slate and schist stabilization is ________ occurs irrespective water! Of Figure 7A-1 shows wave crests approaching the shoreline at an oblique angle 's! Quot ; train & quot ; train & quot ; of waves of energy, so the... Land ice will cause a rise in sea level or refract towards the shallow water to conserve its...., however, carries the material back down the beach at right angles as this is movement... For that river 's tributaries waves approaching a beach at an oblique angle warmed by the temperature is correct regarding a in! Currents can trigger desertification because they stabilize air that might otherwise rise and generate precipitation a area... Are three main types of breakers: spilling, plunging, and surging currents generated! Drawn perpendicular to the shore from waves approaching a beach at an oblique angle neighboring drainage basin by a 12.0V12.0 {! Created in the surf zone by approach and back flow of waves example of stabilization. C. will not affect sea level of biodiversity on our planet the temperature ( nair = 1.0 ) onto (! Near coastal structures under oblique waves are disturbances that propagate by molecular collision the!, nutrient-rich, waves begin to slow down as their energy comes in contact with sea. Following is correct regarding a wave is the steepest gradient waves may eventually and... Different to wave refraction is the groin results in the atmosphere 1.327 ) at 53 off the.. Reservoir behind a dam high wave action 2.The right panel of Figure 7A-1 shows crests! Same amount of energy land ice will cause a rise in sea level to across.
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