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Development Of Marina Barrage Around Marina Bay Environmental Sciences Essay

Environmental Impact and Analysis (EIA) is the analysis of the possible effects on the surroundings caused by a proposed job. We will discuss the way the construction and operation of the Marina Barrage and development around Marina Bay can lead to devastation of reef and coral expansion.

The building and operation of sea Barrage and development will have an effect on the drinking water quality of the marine bay. It is because these improvements and development will lead to decreased flow of drinking water in to the sea. This might also lead to improve in downstream water quality and conditions. The salinity of the water body may be changed by these developments and constructions. Reduced water flow may cause decreased nutrients in the sea and built up of silt which may bring about the long-term disruption of the ecosystem. Eutrophication is also likely to result thus damage of coral and reef expansion (2).

The expansion of algae together with the corals may wrap up eradicating them since sun light is obstructed which is essential for the procedure of photosynthesis. Since this Marina Barrage is also meant for tourist activities, it could wrap up with destruction of corals for travel and leisure purposes. Waste products dumping is also likely to increase and also increased of petrol spills and other products through the construction. This might conclude contaminating this particular leading to the death of corals. Air levels will probably decrease bringing on loss of life of coral reefs. Dredging and dynamiting process in this project may end up in removing materials from the living reef.

According to Corts (2003), the development may lead to increased population which might lead to increased strain on the drinking water resources. More corals will tend to be removed for purposes of souvenir, rings and other purposes. Turbidity is also likely to increase credited to allergens floating on water. This prevents light from penetrating this and therefore the corals suffer from. Corals always flourish in clean and clear water.

Construction can also lead to earth erosion. This results more particles finding yourself in water body which protects the corals. This Лsmoothers the corals and business lead to their fatality. This is consequently of devastation of mangrove and other tree types which act as filters of sediments. In cases like this a whole lot of vegetation may be destroyed in constructing and growing marine barrage.

The corals are incredibly important since they are a way to obtain travel and leisure and also help in controlling drinking water currents, strong waves and storms. Reefs are also resources of medicine and are being used in treatment of a number of diseases such as leukemia, cardiovascular disease and also treat ulcers. The corals also use skin tightening and to create their shells and therefore in a way prevent and minimizes pollution (3).

During the development of marina bay, sediment plume monitoring of the dredging and reclamation works are done constantly because they are considered the top priority. Should a direct effect on coral reefs be expected, mitigation procedures must be placed in spot to reduce or removed the impact. The sediment plume are monitored using a combo of desktop and field tools with the calculations of the daily spill in conjunction with the concentrations of the full total suspended solids registered by online optical receptors, secchi depth monitoring and drinking water quality surveys. Drinking water quality surveys to check on the quality of water are also done constantly on a periodic basis to track record this particular quality conditions across the development site. Optical receptors were deployed on the seabed at various locations to screen drinking water quality. Turbidity, temp, PH and dissolved air levels are checked by a blend of sensors in order to enable preventive measures to be carried out. One problem encountered would be that the turbidity receptors at the site cannot differentiate between your loadings created from dredging and reclamation actions, and natural variability in background conditions.

Lastly translocation methods were also considered and the corals situated straight below the development site were relocated to some other pre-selected location. Independent review must first be completed to define the right relocation site for it. One benefit of this mitigation strategy is the fact translocated corals will often have high survival rate of approximate 90%. Divers involved in the relocation of corals must be properly trained in order not to harm the corals. Divers sometimes face difficulty credited to poor awareness triggered by silt suspended in this particular. Visibility may be so very bad that divers may have to bump into coral to note them. This will certainly reduce the number of coral reef succumbing to loss of life.

New mitigation steps that can be implemented are the creation of manufactured reefs to provide compensatory mitigation for influences to hardbotton habitat from building activities. The selection of materials for unnatural reef engineering is important. The use of hard and very soft corals, sponges change and factors like the depth of drinking water where reefs to be built and the option of crevice space for shelter must also be looked at.

Another strategy is the utilization of surveying techniques in the design and siting of costal structure jobs to avoid and decrease adverse environmental influences. Recent years have observed the innovations in high-definition surveying technology and 3-D laser scanning technology which assists with greater self-confidence in study data, reduced need to return to site to double check or acquire additional data, faster delivery of completed review, the richness and quality of the review is better (4). One of these is the Laser Airborne Depth Sounder (LADS) that is useful in determining the seafloor topography and location of hardbottom areas that allows for advancements in design, siting and impact minimization. However this technology remains costly compared to ground survey techniques.

In realization, the engineering and development of Marina Barrage around Marina Bay in Singapore will probably result to destruction of coral reef. This may lead to loss of life and decreased numbers of the coral reef. The influences can include change in normal water quality, eutrophication, and reduced flow of water which in ways will have an impact on the progress of coral reefs.

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