Dredging is the excavation of silt and other material from the bottom of bodies of water. At the bottom of the lakes, harbors, rivers and water bodies is where you will find these sediments and debris which are to be removed. With this, sand and silt that wishes downstream can be unblocked. The purpose of dredging is to ensure the safe passage of boats and ships by sustaining and increasing the depth of navigation channels, anchorages, and berthing areas.The dredging equipment that is used in a dredging activity is called a dredge. The various types of dredgers include cutter suction dredger, hopper dredger, trailer suction hopper dredger, clamshell dredger, hydraulic dredger, suction dredger, reclamation dredger, among others. The equipment is used for the same purpose but in particular water bodies. Other purposes for dredging include mining sand, clay, or rock for construction, mining for gold and other valuables, reclaiming damage areas by oil spills and storms, clearing trash off the sea beds, providing materials for eroded beaches, and so on.
Dredging plays a vital role in a nation’s economy. This is due to the large ships that carry and transport goods which have been imported or exported into and out of a country. Dredging assists in avoiding the collapse of the economy by ensuring that there is no stoppage in the flow of activities by the ships. By making use of these dredges, vessels are assured to stay afloat and not reach the bottom as the right water levels are maintained. It is important for the depth of the water to be sustained or added because of the size increase in the vessels that are sent into the waters over time. Dredging is also important in reducing the exposure of fish, wildlife, and people to contaminants in the water and preventing further spread of the contaminants in other areas of the water body.This is a necessity considering the many contaminated sediments from cities and industrial sites that pollute the waters. There are different sources that cause pollution which are sewer overflows, municipal and industrial discharges, and spills. Damages caused by adverse weather conditions and increased climatic changes are righted through dredging. Many cities affected by exposure to rising sea levels and storm damages require dredging for reclamation. Port maintenance is made effective by the use of dredges. Other than wait for damages to take place for people to be in action, having a dredging system in place is beneficial. Finances will be preserved as there will be little or no damages.
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