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Beach dune erosion Statistics

Assignment id 1008955
Discipline Other
Assignment type Essay
Words 1401
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Vegetated sand ridges called dunes, built up by rocky shore sand blown inland and trapped by plants and other obstructions, back most shores. As sand accumulates, the dunes become wider and higher. Plants play a very important part in this process, acting as a windbreak and trapping the deposited sand particles. A feature of these plants is their ability to develop through the sand and continually produce new stems and roots as more sand is trapped along with the dune grows. Stable sand dunes play a major role in protecting the shore. They function as a buffer against wave damage during storms, protecting the property behind from salt-water intrusion. This sand barrier enables the growth of more complex plant communities in areas protected from saltwater inundation, sea spray along with strong winds. The dunes also work as a reservoir of sand, to replenish and take care of the shore at times of erosion. Frontal sand dunes are exposed. The vegetation could be destroyed by natural causes such as storms, cyclones, droughts or fire, or by human interference such as clearing, grazing, vehicles or even excessive foot traffic. In case the vegetation cover is damaged strong winds can cause 'blowouts' or openings in the dune ridge. Unless repaired, these growth in size, the entire dune method sometimes-migrating inland covering everything in its path. Meanwhile, using a diminished reservoir of sand, erosion of the beach may cause coastal downturn. To prevent this, shielding the plant is essential. The shore, between high and low tides, is hard-wearing however, the delicate dunes, which we mix to reach it, should be protected also. For this reason sensitive and damaged dunes may need to be trashed and access tracks for vehicles and people provided. Procedures like waves, near shore currents and tides constantly transform shorelines. The capacity of beaches to maintain themselves is accomplished via these natural forces. The natural procedure of beach renourishment, occasionally called "dynamic balance", is how the shore reacts to climate. When waves are high during storms or when hurricanes hit the shore, sand is transported in the beach and deposited on the sea floor. This makes the sea bottom flatter and leaves waves break further from shore and also smaller. During subtle erosion or weather, smaller waves gradually shift the sand back to the shore and replenish the shore. When folks construct...

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