Is ecological water conservancy a means of river regulation?

Ecological water conservancy means of river regulation

1, ecological embankment

Artificial revetment is used for water exchange and regulation between water body and river bank. On the premise of considering the setting of waterline, the arrangement of river center line and the selection of revetment materials, the river width is calculated and controlled with the river type, water flow and surrounding environment as the core, so as to show the comprehensive form of the river and ensure the beauty of the river.

At the same time, the selection of materials is an important link in the natural restoration of ecological embankment construction. Therefore, after considering the influence between materials and ecological environment, natural materials, dry pile stones, slurry stones, etc. As far as possible, we should choose places that can improve the anti-scouring ability and provide good habitat.

2. Construction of natural rivers

In order to make the river close to nature and achieve the effect of safe flood control, the shoreline shape design can be irregular. For example, in shallows and deep pools, riverbanks and river bottoms can be washed and silted at the speed of natural hydrodynamic forces, so that the river ecosystem will be richer and more suitable for the survival of aquatic animals and plants.

At the same time, the transformation of the surrounding environment and riverbed is also one of the keys to the construction of natural rivers. The environment around the river is an important condition for building a good biological food chain network and stabilizing the ecosystem. Therefore, the open channel can replace the previous culverts, expand the green space and trees along the coastline, and make the river closer to the rivers in nature by using more natural materials.

In the process of river reconstruction, we can also build different running water and implant stones in the river bed to provide an environment for underwater creatures to survive, inhabit and multiply. It not only avoids silt blocking the river, but also has high flood control and self-purification ability.

3. Accelerate the treatment of degraded riparian zones and improve the self-purification ability of water bodies.

By optimizing and coordinating biological communities, various aquatic plants or trees are planted on the river banks and water bodies to avoid soil erosion on the river banks. Provide nutrients for aerobic organisms in the water body to carry out ecological circulation, make the water body cleaner, and thus make the self-purification ability of river water body better.

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