A variety of techniques and efforts are used to stabilize shorelines throughout the world
Are all of these efforts only temporary measures or are any of them permanent? Also, does urbanization and development of coastal areas always contribute to shoreline erosion? Explain.
Most techniques used to stabilize shorelines such as constructing breakwaters, building groins, or beach nourishment efforts are temporary. One permanent technique is relocation, which is allowing nature to reclaim beaches that have been storm-damaged or have at-risk buildings on them rather than building hard stabilization techniques. Even though it often causes shoreline erosion, urbanization and development of coastal areas has actually contributed to the efforts made to protect property from storm waves by stabilizing the shore. As the number and value of buildings along the shores have increased, so have these efforts to stabilize the shore.
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Figure 25.6 Mt. Rainier National Park Topographic Map: from Columbia Crest to McClure Rock.
Use the following topographic maps and a ruler (inches or cm) to measure the map distance between the points indicated. Noting the RF scales posted on each map, calculate the approximate ground distance (miles or kilometers). Keep in mind that there are 63,360 inches in a mile: 12 in./ft * 5280 ft/ mile. Compare results with the graphic scale. What will be an ideal response?
A(n) ____________________ is a break in the geologic record resulting, at times, from erosion. Fill in the blank(s) with the appropriate word(s)
Atmospheric pressure can be measured in all of the following units EXCEPT
A. barometer units. B. inches of mercury. C. bars. D. millibars.
Statistically, your risk of being killed by a meteoroid impact is greater than winning a big lottery jackpot (e.g., Powerball).
Answer the following statement true (T) or false (F)