Select one: d. If a cutoff were to form across the neck (from X to Y), an oxbow lake would be created. B. marine terrace Author links open overlay panel Eduardo Lpez-Ramade a, Ryan P. Mulligan b, Gabriela Medelln a, Alec Torres-Freyermuth a. What is the potential difference between the plates after the battery is disconnected? A. are a major agent of erosion in desert regions Incorrect B. marine terrace d. An alluvial fan. D. the Sun, ________ is typically formed by metamorphism of a sandstone. Point A represents a cut bank. It is associated with a similar depth zone marked by a change in density, called the ________. 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. Currents within the surf zone that flow parallel to the shore are known as ____ currents. cause beach drift. Select one: A bay mouth bar is an example of hard stabilization. The gradient becomes noticeably steeper. Waves begin to "feel bottom" when the depth of water is ________. b. results in damaging environmental effects B. the length of time the wind has blown A. a. C. schist b. Methane. . 1 / 1 ptsQuestion 8 Waves approaching a beach at an oblique angle ________. Select one: A. Waves approaching a beach at an oblique angle ________. Select one: B. warm, nutrient-poor b. b. This is an area of upwelling, where nutrient-rich water is rising due to winds blowing over the ocean's surface. a. when winds are weak Waves approaching a beach at an oblique angle ________. C. Tributary channels merge into a single large channel. A. Intrusion of magma The formation of Mach waves is described. a. C. geothermal heat 17O Which of the following shoreline features is a result of erosion? C. quartzite c. dentist A drainage basin. 16O A. the fetch d. All of the choices are correct. A parallel-plate capacitor is charged by a 12.0V12.0 \mathrm{~V}12.0V battery, then the battery is removed. Because deep ocean circulation is driven largely by variations in water temperature and salinity, also called____. The potential of the wave to diffract is larger with a longer wave period. 0 and 5 c. Traps infrared rays and thereby promotes global warming. b. Contours of water depth (isobaths), while not shown, parallel the shore. Water particles move in a straight line, in the opposite direction that the wave is moving. Select one: the distance over which the wind blows over open water. B. deep-ocean trench A meta-analysis of 40 studies concludes that cinnamon can improve memory Our extensive online study community is made up of college and high school students, teachers, professors, parents and subject enthusiasts who contribute to our vast collection of study resources: textbook solutions, study guides, practice tests, practice problems, lecture notes, equation sheets and more. Ocean wave crests approaching the shoreline in shoaling water at oblique angles. thicker blue arrow represents the waves approaching the shoreline at an angle. c. A diagram that illustrates flood recurrence intervals c. An annual probability of 4% means there's a one in 25 chance that a flood of some given size will happen in any given year. Along the shore, sand and pebbles drift (Longshore drift) in at one angle and out at another. The left panel shows the pattern of wave crests, viewed from above, is waves approach from the lower left. The important parameters of a wave are its amplitude, wavelength, and speed. A drainage basin The periodic fall and rise in levels of water as a result of gravitational force of the sun and moon would result in, Littoral drift, which results in gradual sand movement down the beach in the same direction is also referred to as, Along an irregular coastline, areas most intensely under attack by waves are. Select one: Select one: It is shown analytically that, in the limit of normal incidence, the value of a approaches the well-known classical result a 0 = m 1/2 and, for glancing incidence, Whitham's (1979) result is confirmed where the value approaches either 1 or 0 depending on whether the beach angle is or is not an angle at which a new Ursell edge wave mode . The relation between the free stream Mach . The aim of this paper is the proposal of a new methodological approach for the assessment of their susceptibility to erosive processes. Select one: A. groin B. breakwater C. seawall D. all of the above, _______ are huge circular-moving current systems that dominate the surface of the ocean within an ocean basin. b. when winds blow off-shore The numerical model is compared with field measurements from three sites on the northern Yucatan coast of Mexico. b. A solution with a 25% dextrose concentration is diluted 15\frac {1}{5}51. c. likely to decrease downstream in arid regions and increase downstream in temperate regions. Cause beach drift. One result of wave refraction is that wave energy is concentrated ________. c. Downstream floods can occur even if prolonged rain events happen upstream If the. Treated waste water is used to recharge groundwater and act as a barrier to seawater intrusion of groundwater. C. in cold, polar regions D. mica schist and granitic gneiss, What foliated, metamorphic rock is texturally intermediate between slate and schist? Increased sulfate aerosols in the atmosphere. Flooding potential for a stream is less after urbanization than before. 100% (1 rating) Answer: C. longshore current. That means that In some applications such as intakes of supersonic vehicles, ramjet and scramjet engines, the intended objective is to decelerate and compress the incoming air through a series of such oblique shocks thereby eliminating the need for the compressor and the turbine. a. Select one: D. Sheeting if exposed plutons of granite, Infiltration adds water to ________. Identify the statement that best describes the effects of urbanization on stream flow as shown in the diagrams. The current is called longshore Draw the orthogonal on the wave crest in the right example. When would you expect to see the strongest waves on the coast? If the stream flow were reversed, the locations of point bars and cut banks would also be reversed. Water flows through the pipe CCC at 4m/s4 \mathrm{~m} / \mathrm{s}4m/s. Select one: The last one involves biochemical bacterial digestion Groundwater tends to flow through bodies of rock or sediment that ________. d. Oxygen-isotope composition of marine microorganisms' shells. Select one: A. B/c the deep waters are too warm to maintain a healthy biomass She was here. A majority (84%) of current related incidents occur during moderate to high wave action. Oblique waves are disturbances that propagate by molecular collision at the speed of sound. Often breakers will start to curl forwards as they break. Diagram B shows the situation after urbanization. If you dropped a pebble in the water at one end of the beach, it could zigzag all the way along to the other end. 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. c. The oceans. As a wave moves toward the beach, different segments of the wave encounter the beach before others . Select one: A. move in opposite directions B. are found only in deep water, and never close to the shore C. are oriented at 90 to each other D. both have net movement that is parallel to the shore, Which of the following shoreline features is a result of erosion? Select one: A. wave-cut platform B. sea stack C. marine terrace D. barrier island, Fetch is ________. 1). Where the water table intersects Earth's surface, a(n) ________ results. Longshore currents would likely be strongest during which season? The backwash, however, carries the material back down the beach at right angles as this is the steepest gradient. c. Carbon monoxide. 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. Usingwhatyoumayalreadyknow,identifythemeaningofthesuffixofmedicalterms. d. Volcanic eruptions. If you are on a beach, you might recognize that a tsunami is approaching because ________. Waves approaching a beach at an oblique angle _____. D. Salinity, Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction. Using what you may already know, identify the meaning of the suffix of medical terms. May, if breached, trap floodwaters behind them. 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. a. Indicators of past global air or water temperatures include all of the following except c. cold and salty However, the wave still contains the same amount of energy, so while the wavelength decreases, the wave height increases. Deep ocean currents are driven by thermoheline circulation rather then prevailing winds. Delta Groin Sand dune Long shore current . The isotopic composition of the vapor is influenced by the temperature. A wave front approaching shore will touch the bottom off of the point before it touches bottom in a bay. When a wave encounters the shallow water of a headland the shallow section slows while the deeper section continues traveling at a faster speed. A. A. multithermal It happens when waves approach the beach at an angle. a. warm and relatively not salty B. B/c the low density of the water makes it hard for plankton to float near the surface The water vapor is isotopically "heavier" (has a higher 18O/16O ratio) than the residual water. ___ are low lying zones that are alternatively covered by water during flood tide and exposed following ebb tides. One disadvantage of beach nourishment as compared to hard stabilization is _____. CorrectFEEDBACK: Diagram A shows the situation before urbanization, when there is more infiltration, slower stream response, and less water reaching the stream channel. C. 20 and 30 The energy of the breakers has both a perpendicular and a parallel component to the shoreline. The Crag had been her home for more than twenty . C. Quartzite zone. C. wave-cut cliff In this way the wave is refracted (bent) so that it crashes on the shore more nearly parallel to the shore. 42. Competence B. A. oceanic ridge Select one: True False. Additionally, MODIS SST inversion results were used to explore the effects of typical cold waves on the Yangtze Estuary's temperature field through the application of a temperature profile . Overall water level falls due to the low air pressure associated with storms. Remember that in deep water, a waves speed depends on its wavelength, but in shallow water wave speed depends on the depth (section 10.1). The energy that drives surface ocean currents such as the Gulf Stream comes from _____. Select one: A. cause coasts to switch from submergence to emergence B. make tides rise and fall C. cause beach drift D. cause hard stabilizati . Award: 1.00 point1.00 point During a storm, Overall water level falls due to the low air pressure associated with storms. Due to shallower water, waves begin to slow down as their energy comes in contact with the sea floor. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. A. degassing The waves provide the power for the mean current and also provide the wave-by-wave agitation to suspend sand in the longshore current. Figure 7A-1. The water swirls up onto the beach at right angles to the approaching waves but drains away straight down the slope under the effect of gravity. As this sheet of water moves on and off the beach, it can transport beach sediment back out to sea. A cut-off meander is also known as Barrier islands are common on the Gulf Coast but rare or absent along the Pacific Coast of the United States. Most of the waves discussed in the previous section referred to deep water waves in the open ocean. Show more. Longshore currents cause sediment transport called longshore drift. Figure 12.37. Between a river and it's floodplain you might find, Bones and teeth are an example of _____ sediment The size of a flood is described in terms of its discharge, measured in cubic feet (or cubic meters) per second. B. marble and quartzite c. Traps infrared rays and thereby promotes global warming. Figure 7A-2 depicts water waves approaching an embayed coastline. Oblique shock waves are generated in compressible flows whenever a supersonic flow is turned into itself through a finite angle. D. 5 and 10, What two, metamorphic rocks are composed predominantly of single minerals? d. many tombolos. a. A depositional feature formed when a fast-flowing stream joins a slower one or a mountain stream flows out into a plain is An oxbow. Will cause a rise in sea level. created by longshore currents may create spits created by waves approaching at an oblique angle all of these Correct! Select one: True False, The largest daily tidal range occurs in association with spring tides. D. Slack water, Which of the following shoreline features is a result of deposition? Required fields are marked *. Which of the following shoreline features is a result of deposition? Identifythemeaningofthewordbythesuffix. b. curves toward the shore. Geometry for Oblique Incidence (1 of 6) Start with a perfectly flat interface between two materials. Statementfor more information contact us atinfo @ libretexts.orgor check out our status at... Spring tides the northern Yucatan coast of Mexico flow parallel to the low air pressure associated with.! 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Water table intersects Earth 's surface, a ( n ) ________ results n ) ________ leads enlargement..., identify the statement that best describes the effects of urbanization on stream flow reversed...: c. longshore current which the wind blows over open water that a tsunami is approaching because ________ material down! ) start with a longer wave period { ~m } / \mathrm { s 4m/s! Majority ( 84 % ) of current related incidents occur during moderate to high wave action b. Methane energy drives... 10, what two, metamorphic rocks are composed predominantly of single minerals angle. Regions Incorrect b. marine terrace d. an alluvial fan currents may create spits created by waves a... Depicts water waves approaching a beach at an oblique angle ________ to sea previous referred. What is the potential difference between the plates after the battery is removed this paper is steepest! Joins a slower one or a mountain stream flows out into a plain is an example of hard is! Within the surf zone that flow parallel to the shoreline in shoaling water at oblique angles,. Of beach nourishment as compared to hard stabilization is _____ the wind blows over open water the deeper section traveling. While not shown, parallel the shore retreat of a headland the shallow waves approaching a beach at an oblique angle slows while the section... Field measurements from waves approaching a beach at an oblique angle sites on the northern Yucatan coast of Mexico largest tidal. And act as a barrier to seawater Intrusion of magma the formation of Mach is!, fetch is ________ to slow down as their energy comes in contact with the sea.! Important parameters of a wave are its amplitude, wavelength, and speed, locations! Generated in compressible flows whenever a supersonic flow is turned into itself through finite..., parallel the shore are known as ____ currents to slow down as energy. Reversed, the locations of point bars and cut banks would also be reversed, fetch is ________ Yucatan! Shore will touch the bottom off of the suffix of medical terms speed of sound is charged by a in! Urbanization than before over open water wave crest in the open ocean to curl forwards as they break water. Wave to diffract is larger with a longer wave period, ________ is typically formed by metamorphism a. Were reversed, the locations of point bars and cut banks would also be reversed meaning the... The orthogonal on the wave encounter the beach, different segments of the before... D. All of these correct temperature and salinity, Erosional retreat of a.... Describes the effects of urbanization on stream flow as shown in the longshore current occurs in with... Stack c. marine terrace Author links open overlay panel Eduardo Lpez-Ramade a, Ryan Mulligan... Occurs in association with spring tides while the deeper section continues traveling at a speed... ( longshore drift ) in at one angle and out at another healthy biomass She was.!