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Measuring and Understanding Coastal Processes (1989) / Chapter Skim
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2. Coastal Engineering Applications
Pages 19-25

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From page 19...
... Extreme events like breaking storm waves, storm surges, tides, and tsunamis add to the already complex nature of the coastal engineering discipline. To perform the job properly requires detailed and accurate information on the conditions under which a structure must perform and survive.
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From page 20...
... fluid/structure interaction. in general, the short-period, high-frequency phenomena are related to wind-wave generated water motions; long-wave period, lowfrequency phenomena are generated, for example, by pressure effect, tidal motions, and such catastrophic events an slides, slumps, or earthquakes.
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From page 21...
... r SHORE-CONNECTED BREAKWATER NAVIGATION | | Of FSHORE CONSIDERATIONS: I BREAKWATER . CONSIDERATIONS: Hydraulics Sedimentation Control StrucnJre Maintenance L~l R - u~rcmcnts Environment Economics Hymen Sedimenmion N - Simon Control Structure bbint~nce Legal R - uir~na Environment Economics BAY CIRCULATION | CONSIDERATIONS: Hydraulics Sedimenmion Control Structure Legal Requir~nn Environment Economics FIGURE 2-1 General classification of coastal engineering problems.
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From page 22...
... Likewise, the ability to rapidly and accurately measure beach and nearshore profile changes under a broad range of wave-energy conditions is essential to verification of prediction models. An essential consideration for all of
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From page 23...
... If projections of increases in relative sea-level rise are correct, engineering projects designed for 2~50 year time scales will have to incorporate rising sea levels more directly into their design phase. Meanwhile, existing facilities and structures will have to be shored up to account for this long-ignored factor in the design equation.
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From page 24...
... Then, severe bluff and beach damage often result in significant environmental impact and prom erty damage. The ability to measure wave direction and runup would support more reliable predictions of areas of greatest imp act and how to safeguard them.
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From page 25...
... Before the structure was completed, a period of violent Atiantic storms produced waves that severely damaged the breakwater, destroying much of the capwall and roadway and preventing completion of ship berths planned for the lee side. Extensive investigation of the wave conditions that led to the Sines failure did not lead to a consensus judgment; rather, it resulted in 13 different opinions as to the principal cause of the breakwater damage.
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Key Terms

  • environment economics
  • control structure
  • sediment transport
  • wave conditions
  • engineering goal

  • primary engineering
  • shore stabilization
  • current conditions
  • coastal features
  • sea level

  • hydraulics sedimentation
  • water motions
  • storm surges
  • engineering applications
  • engineering application

  • sedimentation control
  • shore processes
  • coastal processes
  • coastal water
  • shifting bar

  • storm waves
  • severe bluff
  • water motion
  • sedimentation rates
  • breakwater damage

  • strong economic
  • ion navigation
  • requirements environment
  • toenail breakwater
  • breaking waves


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