The Role of Rubber Dams in Ecological River Restoration and Water Environment Improvement
With the global emphasis on water ecological environmental protection, ecological river restoration has become an important part of urban and rural water conservancy construction, and rubber dams play an irreplaceable core role in water environment improvement projects. In the past, many river regulation projects adopted rigid water retaining facilities, which changed the natural hydrological characteristics of rivers, led to the decline of water self-purification capacity, eutrophication of water quality, and destroyed the diversity of river ecosystems. As a flexible and ecological water control facility, rubber dams can effectively solve various pain points in traditional river regulation and help realize the sustainable restoration of water ecology. First of all, rubber dams can stably raise the water level of shallow urban and rural rivers, increase the water storage capacity of river channels, expand the water surface area, and effectively improve the local microclimate and humidify the urban environment. By adjusting the water level difference, it can form a slow water flow state, promote the circulation of river water, avoid stagnant water and odor problems, and significantly improve water self-purification capacity. Secondly, the flexible structure of rubber dams will not block the migration of fish, shrimp and other aquatic organisms. In flood seasons, the dam body is deflated and flattened to ensure the smooth flow of river water and aquatic biological channels, maintain the diversity of river organisms, and realize the harmonious coexistence of water control engineering and natural ecology. In addition, the rubber dam material is environmentally friendly and non-toxic, will not produce chemical pollution to the water body, and can resist the erosion of domestic sewage and industrial wastewater, adapting to the complex water quality environment of urban rivers. It can also effectively intercept sediment, reduce river channel siltation, and reduce the frequency of river dredging. At the same time, the stable water surface formed by rubber dams can create beautiful waterfront landscapes, enrich urban ecological scenery, and drive the improvement of surrounding ecological environment and living environment, which has dual ecological and social benefits.


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