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Ecological river bed construction method

A construction method and riverbed technology, applied in the field of resource and environmental engineering, can solve problems such as the lack of vitality of river ecosystems and the lack of sustainable self-sustaining ability.

Inactive Publication Date: 2009-05-13
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No matter what kind of method, it does not focus on restoring the vitality of its ecosystem and improving its ability to clean and control pollution; therefore, the restored or reconstructed river ecosystem has no vitality and lacks sustainable self-sustaining ability

Method used

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Embodiment Construction

[0016] This method has been demonstrated in a river channel 300 meters long and 25 meters wide in the Taihu Lake Basin, and its specific implementation is as follows:

[0017] The first step is to inspect the site and determine the detailed plan; to implement the plant seedlings and construction materials, and the engineering and technical personnel are in place.

[0018] In the second step, the site needs to be cleaned and leveled before the implementation of the main project.

[0019] The third step is to construct the substrate of the ecological riverbed and the substrate part of the surface flow wetland.

[0020] In the fourth step, the river is filled with water so that the maximum depth of the water body reaches 50 cm.

[0021] The fifth step is to plant submerged plants by boat.

[0022] The sixth step is on-site operation and effect monitoring.

[0023] Finally, due to the certain mortality of plants, proper management and maintenance of plants is required after the...

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Abstract

The invention relates to a method for using cheap material to design biological river bed in small-scale river in country, wherein said biological river bed is formed by surface wetland and submergent plant, while its has high purify ability and sewage control ability.

Description

1. Technical field [0001] The invention belongs to the technical field of resources and environment engineering, and relates to a method for constructing an ecological river bed using local materials. 2. Background technology [0002] Due to the large population and small land in our country, the land reclamation index keeps rising; the direct consequence is that the soil and water loss of farmland is very serious, which leads to the silting of rivers due to sediment deposition. At the same time, due to the massive input of sewage from farmland and rural areas, the river ecosystem collapsed and fish and shrimp disappeared. Rivers have lost their functions of purifying pollution and reducing pollutants, and even become sewage channels, affecting the landscape of plain river network areas. It has become a luxury to use river water for farmland irrigation and laundry. [0003] In order to change the unhealthy status of many rivers in our country, rebuild and restore the vitali...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/02C02F3/32
CPCY02A20/402Y02W10/10
Inventor 安树青黄成刘茂松关保华周长芳蒋金辉
Owner NANJING UNIV