Dredging Significance in The World Today
Dredging is the excavation of silt and other material from the bottom of bodies of water. Lakes, rivers, harbors, and other water bodies contain the sediments and debris which are removed from the bottom. With this, sand and silt that wishes downstream can be unblocked. Dredging focuses on making sure that boats and ships have safe passage through maintaining and increasing the depth of navigation channels, anchorages, and berthing areas.The equipment that is used in a dredging activity is called a dredge. There are many dredging equipments that are used, and they are dredgers like the cutter suction dredger, hopper dredger, trailer suction hopper dredger, clamshell dredger, hydraulic dredger, suction dredger, reclamation dredger, just to name a few. The function of these equipment is the same but in specific waterways. Dredging has other uses which are mining sand, clay, or rock for construction, mining for gold and other valuables, reclaiming damaged areas by old settlers and storms, clearing trash off the sea beds, providing materials for eroded beaches, among others.
Dredging plays a vital role in a nation’s economy. This is because massive ships carry the bulk of goods that are imported into and exported from a country. Any hitches in between might cause the economy to collapse, and that is where dredging comes in. By making use of these dredges, vessels are assured to stay afloat and not reach the bottom as the right water levels are maintained. As time goes by the sizes of ships which are sent increase which makes it necessary for the water levels to be maintained or increased. To reduce the exposure of fish, wildlife, and people to contaminants in the water and avoid further spread of the contaminants in the water bodies, the dredging activity very significant.This is a necessity considering the many contaminated sediments from cities and industrial sites that pollute the waters. The pollutants come in from sources such as sewer overflows, municipal and industrial discharges, and spills. Dredging helps to correct the damage caused by adverse weather conditions and increasing climate changes. Reclamation is needed as a result of rising sea levels and storm damages which have affected many cities. In order to maintain ports, dredges play a key role. It is better to have a dredging system in place than wait for damages to occur for action to be taken. This will save on costs that would otherwise have been incurred due to damages.
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